/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-RepeatedSemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix004_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-0e22065b97d0a1f8b3904e080cebe0f05e88d2b7-0e22065 [2021-06-11 06:00:36,563 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-11 06:00:36,565 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-11 06:00:36,597 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-11 06:00:36,597 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-11 06:00:36,599 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-11 06:00:36,601 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-11 06:00:36,606 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-11 06:00:36,607 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-11 06:00:36,611 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-11 06:00:36,611 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-11 06:00:36,612 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-11 06:00:36,613 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-11 06:00:36,614 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-11 06:00:36,615 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-11 06:00:36,616 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-11 06:00:36,618 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-11 06:00:36,619 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-11 06:00:36,620 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-11 06:00:36,625 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-11 06:00:36,626 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-11 06:00:36,627 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-11 06:00:36,628 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-11 06:00:36,629 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-11 06:00:36,634 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-11 06:00:36,634 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-11 06:00:36,634 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-11 06:00:36,636 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-11 06:00:36,636 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-11 06:00:36,636 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-11 06:00:36,637 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-11 06:00:36,637 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-11 06:00:36,638 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-11 06:00:36,639 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-11 06:00:36,639 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-11 06:00:36,639 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-11 06:00:36,640 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-11 06:00:36,640 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-11 06:00:36,640 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-11 06:00:36,640 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-11 06:00:36,641 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-11 06:00:36,644 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-RepeatedSemanticLbe.epf [2021-06-11 06:00:36,672 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-11 06:00:36,672 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-11 06:00:36,675 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-11 06:00:36,675 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-11 06:00:36,675 INFO L138 SettingsManager]: * Use SBE=true [2021-06-11 06:00:36,675 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-11 06:00:36,675 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-11 06:00:36,676 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-11 06:00:36,676 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-11 06:00:36,676 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-11 06:00:36,677 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-11 06:00:36,677 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-11 06:00:36,677 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-11 06:00:36,677 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-11 06:00:36,677 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-11 06:00:36,677 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-11 06:00:36,677 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-11 06:00:36,677 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-11 06:00:36,677 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-11 06:00:36,678 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-11 06:00:36,678 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-11 06:00:36,678 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-11 06:00:36,678 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-11 06:00:36,678 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-11 06:00:36,678 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-11 06:00:36,678 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-11 06:00:36,679 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-11 06:00:36,679 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-06-11 06:00:36,679 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-11 06:00:36,679 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-11 06:00:36,942 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-11 06:00:36,955 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-11 06:00:36,957 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-11 06:00:36,958 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-11 06:00:36,973 INFO L275 PluginConnector]: CDTParser initialized [2021-06-11 06:00:36,973 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix004_tso.oepc.i [2021-06-11 06:00:37,033 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57b6eef10/568fb409a9ec4c6e94ed66af01efe856/FLAG2b5e4b587 [2021-06-11 06:00:37,528 INFO L306 CDTParser]: Found 1 translation units. [2021-06-11 06:00:37,529 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix004_tso.oepc.i [2021-06-11 06:00:37,550 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57b6eef10/568fb409a9ec4c6e94ed66af01efe856/FLAG2b5e4b587 [2021-06-11 06:00:37,864 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57b6eef10/568fb409a9ec4c6e94ed66af01efe856 [2021-06-11 06:00:37,866 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-11 06:00:37,867 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-11 06:00:37,870 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-11 06:00:37,870 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-11 06:00:37,872 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-11 06:00:37,872 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.06 06:00:37" (1/1) ... [2021-06-11 06:00:37,873 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f3d960e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:00:37, skipping insertion in model container [2021-06-11 06:00:37,874 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.06 06:00:37" (1/1) ... [2021-06-11 06:00:37,887 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-11 06:00:37,978 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-11 06:00:38,179 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix004_tso.oepc.i[949,962] [2021-06-11 06:00:38,347 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-11 06:00:38,353 INFO L203 MainTranslator]: Completed pre-run [2021-06-11 06:00:38,360 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix004_tso.oepc.i[949,962] [2021-06-11 06:00:38,401 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-11 06:00:38,443 INFO L208 MainTranslator]: Completed translation [2021-06-11 06:00:38,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:00:38 WrapperNode [2021-06-11 06:00:38,444 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-11 06:00:38,444 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-11 06:00:38,445 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-11 06:00:38,445 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-11 06:00:38,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:00:38" (1/1) ... [2021-06-11 06:00:38,486 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:00:38" (1/1) ... [2021-06-11 06:00:38,517 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-11 06:00:38,518 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-11 06:00:38,518 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-11 06:00:38,518 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-11 06:00:38,523 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:00:38" (1/1) ... [2021-06-11 06:00:38,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:00:38" (1/1) ... [2021-06-11 06:00:38,527 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:00:38" (1/1) ... [2021-06-11 06:00:38,527 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:00:38" (1/1) ... [2021-06-11 06:00:38,533 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:00:38" (1/1) ... [2021-06-11 06:00:38,536 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:00:38" (1/1) ... [2021-06-11 06:00:38,538 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:00:38" (1/1) ... [2021-06-11 06:00:38,541 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-11 06:00:38,542 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-11 06:00:38,542 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-11 06:00:38,542 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-11 06:00:38,542 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:00:38" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-11 06:00:38,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-11 06:00:38,631 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-11 06:00:38,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-11 06:00:38,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-11 06:00:38,632 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-11 06:00:38,632 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-11 06:00:38,633 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-11 06:00:38,633 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-11 06:00:38,633 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-11 06:00:38,633 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-11 06:00:38,633 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-06-11 06:00:38,633 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-06-11 06:00:38,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-11 06:00:38,634 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-11 06:00:38,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-11 06:00:38,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-11 06:00:38,635 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-11 06:00:40,203 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-11 06:00:40,204 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-06-11 06:00:40,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 06:00:40 BoogieIcfgContainer [2021-06-11 06:00:40,206 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-11 06:00:40,208 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-11 06:00:40,208 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-11 06:00:40,210 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-11 06:00:40,210 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.06 06:00:37" (1/3) ... [2021-06-11 06:00:40,211 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a100c1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.06 06:00:40, skipping insertion in model container [2021-06-11 06:00:40,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:00:38" (2/3) ... [2021-06-11 06:00:40,211 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a100c1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.06 06:00:40, skipping insertion in model container [2021-06-11 06:00:40,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 06:00:40" (3/3) ... [2021-06-11 06:00:40,213 INFO L111 eAbstractionObserver]: Analyzing ICFG mix004_tso.oepc.i [2021-06-11 06:00:40,217 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-11 06:00:40,220 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-06-11 06:00:40,221 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-11 06:00:40,255 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,255 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,255 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,255 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,255 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,255 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,255 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,255 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,256 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,256 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,256 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,256 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,256 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,256 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,256 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,256 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,257 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,257 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,257 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,257 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,257 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,257 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,258 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,258 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,258 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,258 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,258 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,258 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,258 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,259 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,259 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,259 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,259 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,260 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,260 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,260 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,260 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,260 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,260 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,260 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,260 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,260 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,261 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,261 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,261 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,261 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,261 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,261 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,261 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,261 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,261 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,261 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,262 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,262 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,262 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,262 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,262 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,262 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,263 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,263 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,263 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,263 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,263 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,263 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,263 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,263 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,263 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,263 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,263 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,264 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,264 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,264 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,264 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,264 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,265 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,265 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,265 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,265 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,265 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,265 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,265 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,266 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,266 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,266 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,266 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,266 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,267 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,267 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,267 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,267 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,267 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,267 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,267 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,268 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,268 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,269 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,269 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,270 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,271 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,271 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,272 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,272 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,276 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,276 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,276 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,276 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,276 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,276 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,276 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,276 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,276 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,276 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,276 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,276 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,276 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,276 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,276 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,276 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,276 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,277 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,277 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,277 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,277 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,277 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,277 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,277 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,277 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,277 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,277 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,277 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,277 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,277 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,278 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,278 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,278 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,279 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,279 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,279 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,279 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,279 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,279 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,279 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,279 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,279 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,279 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,279 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,279 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,279 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,279 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,279 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,279 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,280 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,280 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,280 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,280 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,280 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,280 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,280 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,280 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,280 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,280 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,280 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,280 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,280 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,280 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,280 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,280 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,280 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,280 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,280 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,282 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,282 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,282 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,282 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,282 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,282 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,282 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,282 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,282 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,282 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,283 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,283 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,283 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,283 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,283 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,283 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,283 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,283 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,285 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,285 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,285 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,285 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,285 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,285 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,285 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,285 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,285 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,285 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,285 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,285 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,285 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,286 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,286 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,286 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,286 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,286 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,286 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,286 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,286 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,286 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,286 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,286 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,286 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,286 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,287 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,287 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,287 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,288 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,288 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,295 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,296 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,297 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,298 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,298 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,299 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,301 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,301 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,302 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,302 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,302 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,302 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,302 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,302 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,306 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,306 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,307 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,307 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,307 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,307 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,307 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,307 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,307 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,307 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,308 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,308 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,308 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,308 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,308 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,308 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,308 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,308 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,308 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,308 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:00:40,309 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-11 06:00:40,321 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-06-11 06:00:40,347 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-06-11 06:00:40,347 INFO L377 AbstractCegarLoop]: Hoare is false [2021-06-11 06:00:40,347 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-11 06:00:40,347 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-11 06:00:40,347 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-11 06:00:40,347 INFO L381 AbstractCegarLoop]: Difference is false [2021-06-11 06:00:40,347 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-11 06:00:40,347 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-11 06:00:40,357 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 132 places, 121 transitions, 262 flow [2021-06-11 06:00:40,397 INFO L129 PetriNetUnfolder]: 2/117 cut-off events. [2021-06-11 06:00:40,397 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 06:00:40,400 INFO L84 FinitePrefix]: Finished finitePrefix Result has 130 conditions, 117 events. 2/117 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 93 event pairs, 0 based on Foata normal form. 0/113 useless extension candidates. Maximal degree in co-relation 78. Up to 2 conditions per place. [2021-06-11 06:00:40,400 INFO L82 GeneralOperation]: Start removeDead. Operand has 132 places, 121 transitions, 262 flow [2021-06-11 06:00:40,407 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 128 places, 117 transitions, 246 flow [2021-06-11 06:00:40,408 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:00:40,416 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 128 places, 117 transitions, 246 flow [2021-06-11 06:00:40,419 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 128 places, 117 transitions, 246 flow [2021-06-11 06:00:40,421 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 128 places, 117 transitions, 246 flow [2021-06-11 06:00:40,449 INFO L129 PetriNetUnfolder]: 2/117 cut-off events. [2021-06-11 06:00:40,449 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 06:00:40,450 INFO L84 FinitePrefix]: Finished finitePrefix Result has 130 conditions, 117 events. 2/117 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 95 event pairs, 0 based on Foata normal form. 0/113 useless extension candidates. Maximal degree in co-relation 78. Up to 2 conditions per place. [2021-06-11 06:00:40,454 INFO L151 LiptonReduction]: Number of co-enabled transitions 2886 [2021-06-11 06:00:40,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:40,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:00:40,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:40,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:00:40,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:00:40,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:40,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:00:40,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:40,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:00:40,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:40,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:00:40,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:40,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:00:40,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:40,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:00:40,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:40,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:00:40,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:40,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:00:40,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:40,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:00:40,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:40,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:00:40,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:40,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:00:40,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:40,886 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2021-06-11 06:00:40,887 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 06:00:40,906 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:40,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:00:41,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:41,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:00:41,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:41,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:00:41,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:41,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:00:41,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:41,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:00:41,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:41,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:00:41,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:41,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:00:41,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:41,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:00:41,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:41,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:00:41,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:41,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:00:41,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:41,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:00:41,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:41,454 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:00:41,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:41,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:00:41,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:00:41,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:41,506 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:00:41,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:41,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:00:41,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:00:41,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:41,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:00:41,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:41,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:00:41,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:41,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:00:41,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:41,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:00:41,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:41,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:00:41,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:41,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:00:41,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:41,756 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:00:41,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:41,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:00:41,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:00:41,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:41,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:00:41,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:41,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:00:41,970 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-06-11 06:00:41,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:00:41,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:41,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:00:42,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:42,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:00:42,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:42,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:00:42,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:42,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:00:42,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:42,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:00:42,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:00:42,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:42,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:00:42,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:42,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:00:42,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:42,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:00:42,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:42,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:00:42,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:42,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:00:42,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:42,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:00:42,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:42,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:00:42,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:42,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:00:42,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:42,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:00:42,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:42,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:00:42,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:42,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:00:42,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:42,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:00:42,772 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-06-11 06:00:43,163 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 83 [2021-06-11 06:00:43,279 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-06-11 06:00:43,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:43,293 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:00:43,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:43,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-06-11 06:00:43,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:00:43,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:43,297 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 3, 2, 2, 1] term [2021-06-11 06:00:43,297 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 06:00:43,299 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:43,301 INFO L147 QuantifierPusher]: treesize reduction 39, result has 69.0 percent of original size 87 [2021-06-11 06:00:43,301 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:00:43,303 INFO L142 QuantifierPusher]: treesize reduction 39, result has 75.6 percent of original size [2021-06-11 06:00:43,303 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 3, 4, 2, 1] term [2021-06-11 06:00:43,303 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 06:00:43,304 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:43,306 INFO L147 QuantifierPusher]: treesize reduction 113, result has 30.7 percent of original size 50 [2021-06-11 06:00:43,307 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 3, 3, 4, 2, 1] term [2021-06-11 06:00:43,307 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 06:00:43,308 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:43,310 INFO L147 QuantifierPusher]: treesize reduction 176, result has 33.3 percent of original size 88 [2021-06-11 06:00:43,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:43,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:00:43,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:43,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:00:43,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:43,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:00:43,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:43,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:00:43,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:00:43,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:43,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:00:43,845 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2021-06-11 06:00:43,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:43,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:00:43,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:43,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:00:43,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:43,973 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:00:43,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:43,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:00:43,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:00:44,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:44,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:00:44,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:44,122 INFO L147 QuantifierPusher]: treesize reduction 80, result has 25.2 percent of original size 27 [2021-06-11 06:00:44,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:44,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:00:44,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:44,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:00:44,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:44,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:00:44,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:44,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:00:44,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:44,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:00:44,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:44,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:00:44,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:44,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:00:44,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:00:44,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:44,737 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:00:44,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:44,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:00:44,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:44,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 06:00:44,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:00:44,739 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:00:44,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:44,741 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:00:44,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:44,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 06:00:44,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 06:00:44,744 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:00:44,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:44,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 06:00:44,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 06:00:45,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:45,010 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:00:45,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:45,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:00:45,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:00:45,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:45,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:00:45,267 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-06-11 06:00:45,463 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-06-11 06:00:45,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:45,565 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:00:45,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:45,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:00:45,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:00:45,958 WARN L205 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 128 [2021-06-11 06:00:46,110 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2021-06-11 06:00:46,480 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 128 [2021-06-11 06:00:46,663 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2021-06-11 06:00:46,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:46,680 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:00:46,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:46,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:00:46,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:00:46,694 INFO L163 LiptonReduction]: Checked pairs total: 9515 [2021-06-11 06:00:46,694 INFO L165 LiptonReduction]: Total number of compositions: 104 [2021-06-11 06:00:46,697 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6290 [2021-06-11 06:00:46,701 INFO L129 PetriNetUnfolder]: 0/2 cut-off events. [2021-06-11 06:00:46,702 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 06:00:46,702 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:00:46,702 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2021-06-11 06:00:46,702 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:00:46,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:00:46,706 INFO L82 PathProgramCache]: Analyzing trace with hash 1229870, now seen corresponding path program 1 times [2021-06-11 06:00:46,711 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:00:46,711 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605718801] [2021-06-11 06:00:46,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:00:46,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:00:46,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:46,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:00:46,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:00:46,815 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605718801] [2021-06-11 06:00:46,816 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:00:46,816 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-06-11 06:00:46,816 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718711802] [2021-06-11 06:00:46,821 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 06:00:46,821 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:00:46,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 06:00:46,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 06:00:46,831 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 190 out of 225 [2021-06-11 06:00:46,835 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 37 transitions, 86 flow. Second operand has 3 states, 3 states have (on average 190.66666666666666) internal successors, (572), 3 states have internal predecessors, (572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:00:46,835 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:00:46,835 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 190 of 225 [2021-06-11 06:00:46,836 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:00:46,925 INFO L129 PetriNetUnfolder]: 133/301 cut-off events. [2021-06-11 06:00:46,925 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 06:00:46,926 INFO L84 FinitePrefix]: Finished finitePrefix Result has 520 conditions, 301 events. 133/301 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 1526 event pairs, 110 based on Foata normal form. 69/347 useless extension candidates. Maximal degree in co-relation 509. Up to 153 conditions per place. [2021-06-11 06:00:46,928 INFO L132 encePairwiseOnDemand]: 220/225 looper letters, 11 selfloop transitions, 2 changer transitions 1/39 dead transitions. [2021-06-11 06:00:46,928 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 39 transitions, 116 flow [2021-06-11 06:00:46,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 06:00:46,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 06:00:46,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 588 transitions. [2021-06-11 06:00:46,938 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8711111111111111 [2021-06-11 06:00:46,939 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 588 transitions. [2021-06-11 06:00:46,939 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 588 transitions. [2021-06-11 06:00:46,940 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:00:46,941 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 588 transitions. [2021-06-11 06:00:46,944 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 196.0) internal successors, (588), 3 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:00:46,949 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 225.0) internal successors, (900), 4 states have internal predecessors, (900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:00:46,950 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 225.0) internal successors, (900), 4 states have internal predecessors, (900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:00:46,951 INFO L185 Difference]: Start difference. First operand has 49 places, 37 transitions, 86 flow. Second operand 3 states and 588 transitions. [2021-06-11 06:00:46,951 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 39 transitions, 116 flow [2021-06-11 06:00:46,953 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 39 transitions, 112 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-06-11 06:00:46,954 INFO L241 Difference]: Finished difference. Result has 45 places, 33 transitions, 78 flow [2021-06-11 06:00:46,955 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=225, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=78, PETRI_PLACES=45, PETRI_TRANSITIONS=33} [2021-06-11 06:00:46,955 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, -4 predicate places. [2021-06-11 06:00:46,956 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:00:46,956 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 33 transitions, 78 flow [2021-06-11 06:00:46,956 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 33 transitions, 78 flow [2021-06-11 06:00:46,956 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 44 places, 33 transitions, 78 flow [2021-06-11 06:00:46,960 INFO L129 PetriNetUnfolder]: 0/33 cut-off events. [2021-06-11 06:00:46,960 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 06:00:46,960 INFO L84 FinitePrefix]: Finished finitePrefix Result has 45 conditions, 33 events. 0/33 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 66 event pairs, 0 based on Foata normal form. 0/29 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-06-11 06:00:46,960 INFO L151 LiptonReduction]: Number of co-enabled transitions 564 [2021-06-11 06:00:47,115 INFO L163 LiptonReduction]: Checked pairs total: 678 [2021-06-11 06:00:47,115 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:00:47,115 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 159 [2021-06-11 06:00:47,115 INFO L480 AbstractCegarLoop]: Abstraction has has 44 places, 33 transitions, 78 flow [2021-06-11 06:00:47,116 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 190.66666666666666) internal successors, (572), 3 states have internal predecessors, (572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:00:47,116 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:00:47,116 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:00:47,116 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-11 06:00:47,116 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:00:47,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:00:47,117 INFO L82 PathProgramCache]: Analyzing trace with hash -628683643, now seen corresponding path program 1 times [2021-06-11 06:00:47,117 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:00:47,117 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112594729] [2021-06-11 06:00:47,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:00:47,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:00:47,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:47,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:00:47,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:00:47,187 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112594729] [2021-06-11 06:00:47,187 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:00:47,187 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-06-11 06:00:47,187 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543869612] [2021-06-11 06:00:47,188 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 06:00:47,188 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:00:47,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 06:00:47,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 06:00:47,189 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 197 out of 225 [2021-06-11 06:00:47,190 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 33 transitions, 78 flow. Second operand has 3 states, 3 states have (on average 197.66666666666666) internal successors, (593), 3 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:00:47,190 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:00:47,190 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 197 of 225 [2021-06-11 06:00:47,190 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:00:47,198 INFO L129 PetriNetUnfolder]: 1/35 cut-off events. [2021-06-11 06:00:47,199 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 06:00:47,199 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54 conditions, 35 events. 1/35 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 78 event pairs, 0 based on Foata normal form. 0/31 useless extension candidates. Maximal degree in co-relation 45. Up to 5 conditions per place. [2021-06-11 06:00:47,199 INFO L132 encePairwiseOnDemand]: 222/225 looper letters, 1 selfloop transitions, 2 changer transitions 5/34 dead transitions. [2021-06-11 06:00:47,199 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 34 transitions, 90 flow [2021-06-11 06:00:47,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 06:00:47,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 06:00:47,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 597 transitions. [2021-06-11 06:00:47,201 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8844444444444445 [2021-06-11 06:00:47,201 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 597 transitions. [2021-06-11 06:00:47,201 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 597 transitions. [2021-06-11 06:00:47,201 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:00:47,201 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 597 transitions. [2021-06-11 06:00:47,202 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 199.0) internal successors, (597), 3 states have internal predecessors, (597), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:00:47,203 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 225.0) internal successors, (900), 4 states have internal predecessors, (900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:00:47,204 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 225.0) internal successors, (900), 4 states have internal predecessors, (900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:00:47,204 INFO L185 Difference]: Start difference. First operand has 44 places, 33 transitions, 78 flow. Second operand 3 states and 597 transitions. [2021-06-11 06:00:47,204 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 34 transitions, 90 flow [2021-06-11 06:00:47,204 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 34 transitions, 86 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-11 06:00:47,205 INFO L241 Difference]: Finished difference. Result has 45 places, 29 transitions, 74 flow [2021-06-11 06:00:47,205 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=225, PETRI_DIFFERENCE_MINUEND_FLOW=74, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=74, PETRI_PLACES=45, PETRI_TRANSITIONS=29} [2021-06-11 06:00:47,205 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, -4 predicate places. [2021-06-11 06:00:47,205 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:00:47,206 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 29 transitions, 74 flow [2021-06-11 06:00:47,206 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 29 transitions, 74 flow [2021-06-11 06:00:47,206 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 41 places, 29 transitions, 74 flow [2021-06-11 06:00:47,209 INFO L129 PetriNetUnfolder]: 0/29 cut-off events. [2021-06-11 06:00:47,209 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 06:00:47,209 INFO L84 FinitePrefix]: Finished finitePrefix Result has 44 conditions, 29 events. 0/29 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 45 event pairs, 0 based on Foata normal form. 0/29 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-06-11 06:00:47,210 INFO L151 LiptonReduction]: Number of co-enabled transitions 446 [2021-06-11 06:00:47,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:47,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:00:47,404 INFO L163 LiptonReduction]: Checked pairs total: 1047 [2021-06-11 06:00:47,405 INFO L165 LiptonReduction]: Total number of compositions: 1 [2021-06-11 06:00:47,405 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 200 [2021-06-11 06:00:47,405 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 28 transitions, 72 flow [2021-06-11 06:00:47,406 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 197.66666666666666) internal successors, (593), 3 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:00:47,406 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:00:47,406 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:00:47,406 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-11 06:00:47,406 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:00:47,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:00:47,407 INFO L82 PathProgramCache]: Analyzing trace with hash 693812772, now seen corresponding path program 1 times [2021-06-11 06:00:47,407 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:00:47,407 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837238475] [2021-06-11 06:00:47,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:00:47,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:00:47,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:47,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:00:47,486 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-06-11 06:00:47,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 06:00:47,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:00:47,495 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837238475] [2021-06-11 06:00:47,495 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:00:47,495 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-11 06:00:47,495 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302368371] [2021-06-11 06:00:47,496 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 06:00:47,496 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:00:47,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 06:00:47,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-06-11 06:00:47,497 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 226 [2021-06-11 06:00:47,498 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 28 transitions, 72 flow. Second operand has 4 states, 4 states have (on average 183.75) internal successors, (735), 4 states have internal predecessors, (735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:00:47,498 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:00:47,498 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 226 [2021-06-11 06:00:47,498 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:00:47,532 INFO L129 PetriNetUnfolder]: 81/189 cut-off events. [2021-06-11 06:00:47,533 INFO L130 PetriNetUnfolder]: For 36/41 co-relation queries the response was YES. [2021-06-11 06:00:47,533 INFO L84 FinitePrefix]: Finished finitePrefix Result has 375 conditions, 189 events. 81/189 cut-off events. For 36/41 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 811 event pairs, 17 based on Foata normal form. 4/183 useless extension candidates. Maximal degree in co-relation 365. Up to 113 conditions per place. [2021-06-11 06:00:47,534 INFO L132 encePairwiseOnDemand]: 223/226 looper letters, 10 selfloop transitions, 2 changer transitions 0/32 dead transitions. [2021-06-11 06:00:47,534 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 32 transitions, 107 flow [2021-06-11 06:00:47,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 06:00:47,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 06:00:47,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 562 transitions. [2021-06-11 06:00:47,535 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8289085545722714 [2021-06-11 06:00:47,536 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 562 transitions. [2021-06-11 06:00:47,536 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 562 transitions. [2021-06-11 06:00:47,536 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:00:47,536 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 562 transitions. [2021-06-11 06:00:47,537 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 187.33333333333334) internal successors, (562), 3 states have internal predecessors, (562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:00:47,538 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 226.0) internal successors, (904), 4 states have internal predecessors, (904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:00:47,538 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 226.0) internal successors, (904), 4 states have internal predecessors, (904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:00:47,539 INFO L185 Difference]: Start difference. First operand has 40 places, 28 transitions, 72 flow. Second operand 3 states and 562 transitions. [2021-06-11 06:00:47,539 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 32 transitions, 107 flow [2021-06-11 06:00:47,539 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 32 transitions, 101 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-11 06:00:47,539 INFO L241 Difference]: Finished difference. Result has 41 places, 28 transitions, 76 flow [2021-06-11 06:00:47,540 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=226, PETRI_DIFFERENCE_MINUEND_FLOW=68, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=76, PETRI_PLACES=41, PETRI_TRANSITIONS=28} [2021-06-11 06:00:47,540 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, -8 predicate places. [2021-06-11 06:00:47,540 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:00:47,540 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 28 transitions, 76 flow [2021-06-11 06:00:47,540 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 28 transitions, 76 flow [2021-06-11 06:00:47,540 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 41 places, 28 transitions, 76 flow [2021-06-11 06:00:47,543 INFO L129 PetriNetUnfolder]: 0/28 cut-off events. [2021-06-11 06:00:47,543 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-06-11 06:00:47,543 INFO L84 FinitePrefix]: Finished finitePrefix Result has 46 conditions, 28 events. 0/28 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 41 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-06-11 06:00:47,543 INFO L151 LiptonReduction]: Number of co-enabled transitions 408 [2021-06-11 06:00:47,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:47,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:00:47,568 INFO L163 LiptonReduction]: Checked pairs total: 879 [2021-06-11 06:00:47,568 INFO L165 LiptonReduction]: Total number of compositions: 1 [2021-06-11 06:00:47,568 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 28 [2021-06-11 06:00:47,569 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 27 transitions, 74 flow [2021-06-11 06:00:47,569 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 183.75) internal successors, (735), 4 states have internal predecessors, (735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:00:47,569 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:00:47,569 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:00:47,569 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-11 06:00:47,569 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:00:47,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:00:47,570 INFO L82 PathProgramCache]: Analyzing trace with hash 1166739998, now seen corresponding path program 1 times [2021-06-11 06:00:47,570 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:00:47,570 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473104391] [2021-06-11 06:00:47,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:00:47,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:00:47,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:47,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:00:47,640 INFO L142 QuantifierPusher]: treesize reduction 19, result has 32.1 percent of original size [2021-06-11 06:00:47,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 06:00:47,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:47,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:00:47,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:00:47,646 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473104391] [2021-06-11 06:00:47,646 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:00:47,647 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 06:00:47,647 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897340471] [2021-06-11 06:00:47,647 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 06:00:47,647 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:00:47,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 06:00:47,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-11 06:00:47,648 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 184 out of 227 [2021-06-11 06:00:47,649 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 27 transitions, 74 flow. Second operand has 4 states, 4 states have (on average 184.75) internal successors, (739), 4 states have internal predecessors, (739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:00:47,649 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:00:47,649 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 184 of 227 [2021-06-11 06:00:47,649 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:00:47,695 INFO L129 PetriNetUnfolder]: 90/186 cut-off events. [2021-06-11 06:00:47,695 INFO L130 PetriNetUnfolder]: For 15/15 co-relation queries the response was YES. [2021-06-11 06:00:47,696 INFO L84 FinitePrefix]: Finished finitePrefix Result has 385 conditions, 186 events. 90/186 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 789 event pairs, 46 based on Foata normal form. 16/198 useless extension candidates. Maximal degree in co-relation 374. Up to 119 conditions per place. [2021-06-11 06:00:47,697 INFO L132 encePairwiseOnDemand]: 220/227 looper letters, 6 selfloop transitions, 5 changer transitions 9/40 dead transitions. [2021-06-11 06:00:47,697 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 40 transitions, 140 flow [2021-06-11 06:00:47,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 06:00:47,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 06:00:47,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 942 transitions. [2021-06-11 06:00:47,699 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8299559471365638 [2021-06-11 06:00:47,699 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 942 transitions. [2021-06-11 06:00:47,699 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 942 transitions. [2021-06-11 06:00:47,699 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:00:47,700 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 942 transitions. [2021-06-11 06:00:47,701 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 188.4) internal successors, (942), 5 states have internal predecessors, (942), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:00:47,703 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 227.0) internal successors, (1362), 6 states have internal predecessors, (1362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:00:47,703 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 227.0) internal successors, (1362), 6 states have internal predecessors, (1362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:00:47,703 INFO L185 Difference]: Start difference. First operand has 40 places, 27 transitions, 74 flow. Second operand 5 states and 942 transitions. [2021-06-11 06:00:47,703 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 40 transitions, 140 flow [2021-06-11 06:00:47,704 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 40 transitions, 136 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-11 06:00:47,705 INFO L241 Difference]: Finished difference. Result has 45 places, 31 transitions, 115 flow [2021-06-11 06:00:47,705 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=227, PETRI_DIFFERENCE_MINUEND_FLOW=70, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=115, PETRI_PLACES=45, PETRI_TRANSITIONS=31} [2021-06-11 06:00:47,705 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, -4 predicate places. [2021-06-11 06:00:47,705 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:00:47,705 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 31 transitions, 115 flow [2021-06-11 06:00:47,705 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 31 transitions, 115 flow [2021-06-11 06:00:47,705 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 43 places, 31 transitions, 115 flow [2021-06-11 06:00:47,714 INFO L129 PetriNetUnfolder]: 73/150 cut-off events. [2021-06-11 06:00:47,715 INFO L130 PetriNetUnfolder]: For 91/91 co-relation queries the response was YES. [2021-06-11 06:00:47,715 INFO L84 FinitePrefix]: Finished finitePrefix Result has 413 conditions, 150 events. 73/150 cut-off events. For 91/91 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 567 event pairs, 40 based on Foata normal form. 0/146 useless extension candidates. Maximal degree in co-relation 401. Up to 104 conditions per place. [2021-06-11 06:00:47,717 INFO L151 LiptonReduction]: Number of co-enabled transitions 444 [2021-06-11 06:00:47,722 INFO L163 LiptonReduction]: Checked pairs total: 428 [2021-06-11 06:00:47,722 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:00:47,722 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 17 [2021-06-11 06:00:47,723 INFO L480 AbstractCegarLoop]: Abstraction has has 43 places, 31 transitions, 115 flow [2021-06-11 06:00:47,723 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 184.75) internal successors, (739), 4 states have internal predecessors, (739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:00:47,723 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:00:47,723 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:00:47,723 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-11 06:00:47,723 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:00:47,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:00:47,724 INFO L82 PathProgramCache]: Analyzing trace with hash -269945777, now seen corresponding path program 1 times [2021-06-11 06:00:47,724 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:00:47,724 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572564298] [2021-06-11 06:00:47,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:00:47,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:00:47,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:47,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:00:47,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:47,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:00:47,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:47,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:00:47,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:00:47,764 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572564298] [2021-06-11 06:00:47,764 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:00:47,764 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 06:00:47,764 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74331677] [2021-06-11 06:00:47,765 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 06:00:47,765 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:00:47,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 06:00:47,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-11 06:00:47,766 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 188 out of 227 [2021-06-11 06:00:47,766 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 31 transitions, 115 flow. Second operand has 4 states, 4 states have (on average 189.0) internal successors, (756), 4 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:00:47,766 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:00:47,766 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 188 of 227 [2021-06-11 06:00:47,766 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:00:47,820 INFO L129 PetriNetUnfolder]: 150/299 cut-off events. [2021-06-11 06:00:47,820 INFO L130 PetriNetUnfolder]: For 265/300 co-relation queries the response was YES. [2021-06-11 06:00:47,821 INFO L84 FinitePrefix]: Finished finitePrefix Result has 846 conditions, 299 events. 150/299 cut-off events. For 265/300 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 1540 event pairs, 83 based on Foata normal form. 22/297 useless extension candidates. Maximal degree in co-relation 832. Up to 212 conditions per place. [2021-06-11 06:00:47,822 INFO L132 encePairwiseOnDemand]: 224/227 looper letters, 3 selfloop transitions, 2 changer transitions 0/32 dead transitions. [2021-06-11 06:00:47,822 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 32 transitions, 127 flow [2021-06-11 06:00:47,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-11 06:00:47,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-11 06:00:47,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 758 transitions. [2021-06-11 06:00:47,824 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8348017621145375 [2021-06-11 06:00:47,824 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 758 transitions. [2021-06-11 06:00:47,824 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 758 transitions. [2021-06-11 06:00:47,824 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:00:47,824 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 758 transitions. [2021-06-11 06:00:47,826 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 189.5) internal successors, (758), 4 states have internal predecessors, (758), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:00:47,827 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 227.0) internal successors, (1135), 5 states have internal predecessors, (1135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:00:47,828 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 227.0) internal successors, (1135), 5 states have internal predecessors, (1135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:00:47,828 INFO L185 Difference]: Start difference. First operand has 43 places, 31 transitions, 115 flow. Second operand 4 states and 758 transitions. [2021-06-11 06:00:47,828 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 32 transitions, 127 flow [2021-06-11 06:00:47,830 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 32 transitions, 120 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-06-11 06:00:47,831 INFO L241 Difference]: Finished difference. Result has 46 places, 32 transitions, 121 flow [2021-06-11 06:00:47,831 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=227, PETRI_DIFFERENCE_MINUEND_FLOW=108, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=121, PETRI_PLACES=46, PETRI_TRANSITIONS=32} [2021-06-11 06:00:47,831 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, -3 predicate places. [2021-06-11 06:00:47,831 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:00:47,831 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 46 places, 32 transitions, 121 flow [2021-06-11 06:00:47,832 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 46 places, 32 transitions, 121 flow [2021-06-11 06:00:47,832 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 46 places, 32 transitions, 121 flow [2021-06-11 06:00:47,854 INFO L129 PetriNetUnfolder]: 150/299 cut-off events. [2021-06-11 06:00:47,854 INFO L130 PetriNetUnfolder]: For 209/218 co-relation queries the response was YES. [2021-06-11 06:00:47,855 INFO L84 FinitePrefix]: Finished finitePrefix Result has 820 conditions, 299 events. 150/299 cut-off events. For 209/218 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 1492 event pairs, 83 based on Foata normal form. 0/275 useless extension candidates. Maximal degree in co-relation 807. Up to 212 conditions per place. [2021-06-11 06:00:47,857 INFO L151 LiptonReduction]: Number of co-enabled transitions 464 [2021-06-11 06:00:47,860 INFO L163 LiptonReduction]: Checked pairs total: 400 [2021-06-11 06:00:47,860 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:00:47,860 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 29 [2021-06-11 06:00:47,860 INFO L480 AbstractCegarLoop]: Abstraction has has 46 places, 32 transitions, 121 flow [2021-06-11 06:00:47,861 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 189.0) internal successors, (756), 4 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:00:47,861 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:00:47,861 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:00:47,861 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-06-11 06:00:47,861 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:00:47,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:00:47,861 INFO L82 PathProgramCache]: Analyzing trace with hash -1969260811, now seen corresponding path program 2 times [2021-06-11 06:00:47,861 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:00:47,861 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913857971] [2021-06-11 06:00:47,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:00:47,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:00:47,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:47,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:00:47,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:47,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:00:47,912 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-06-11 06:00:47,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:00:47,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:47,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:00:47,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:00:47,919 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913857971] [2021-06-11 06:00:47,919 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:00:47,919 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-11 06:00:47,919 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231322602] [2021-06-11 06:00:47,919 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 06:00:47,919 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:00:47,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 06:00:47,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-11 06:00:47,920 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 184 out of 227 [2021-06-11 06:00:47,921 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 32 transitions, 121 flow. Second operand has 5 states, 5 states have (on average 184.8) internal successors, (924), 5 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:00:47,921 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:00:47,921 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 184 of 227 [2021-06-11 06:00:47,921 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:00:47,976 INFO L129 PetriNetUnfolder]: 133/281 cut-off events. [2021-06-11 06:00:47,976 INFO L130 PetriNetUnfolder]: For 209/305 co-relation queries the response was YES. [2021-06-11 06:00:47,977 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1006 conditions, 281 events. 133/281 cut-off events. For 209/305 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 1354 event pairs, 29 based on Foata normal form. 41/305 useless extension candidates. Maximal degree in co-relation 991. Up to 213 conditions per place. [2021-06-11 06:00:47,978 INFO L132 encePairwiseOnDemand]: 220/227 looper letters, 6 selfloop transitions, 9 changer transitions 9/45 dead transitions. [2021-06-11 06:00:47,978 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 45 transitions, 245 flow [2021-06-11 06:00:47,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 06:00:47,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 06:00:47,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1130 transitions. [2021-06-11 06:00:47,980 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8296622613803231 [2021-06-11 06:00:47,980 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1130 transitions. [2021-06-11 06:00:47,980 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1130 transitions. [2021-06-11 06:00:47,981 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:00:47,981 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1130 transitions. [2021-06-11 06:00:47,982 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 188.33333333333334) internal successors, (1130), 6 states have internal predecessors, (1130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:00:47,984 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 227.0) internal successors, (1589), 7 states have internal predecessors, (1589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:00:47,984 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 227.0) internal successors, (1589), 7 states have internal predecessors, (1589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:00:47,984 INFO L185 Difference]: Start difference. First operand has 46 places, 32 transitions, 121 flow. Second operand 6 states and 1130 transitions. [2021-06-11 06:00:47,984 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 45 transitions, 245 flow [2021-06-11 06:00:47,985 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 45 transitions, 244 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-06-11 06:00:47,986 INFO L241 Difference]: Finished difference. Result has 53 places, 36 transitions, 192 flow [2021-06-11 06:00:47,986 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=227, PETRI_DIFFERENCE_MINUEND_FLOW=120, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=192, PETRI_PLACES=53, PETRI_TRANSITIONS=36} [2021-06-11 06:00:47,986 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 4 predicate places. [2021-06-11 06:00:47,986 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:00:47,986 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 53 places, 36 transitions, 192 flow [2021-06-11 06:00:47,986 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 53 places, 36 transitions, 192 flow [2021-06-11 06:00:47,987 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 51 places, 36 transitions, 192 flow [2021-06-11 06:00:48,001 INFO L129 PetriNetUnfolder]: 100/221 cut-off events. [2021-06-11 06:00:48,001 INFO L130 PetriNetUnfolder]: For 451/506 co-relation queries the response was YES. [2021-06-11 06:00:48,002 INFO L84 FinitePrefix]: Finished finitePrefix Result has 920 conditions, 221 events. 100/221 cut-off events. For 451/506 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 1010 event pairs, 27 based on Foata normal form. 4/213 useless extension candidates. Maximal degree in co-relation 903. Up to 153 conditions per place. [2021-06-11 06:00:48,004 INFO L151 LiptonReduction]: Number of co-enabled transitions 548 [2021-06-11 06:00:48,017 INFO L163 LiptonReduction]: Checked pairs total: 552 [2021-06-11 06:00:48,017 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:00:48,017 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 31 [2021-06-11 06:00:48,018 INFO L480 AbstractCegarLoop]: Abstraction has has 51 places, 36 transitions, 192 flow [2021-06-11 06:00:48,018 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 184.8) internal successors, (924), 5 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:00:48,018 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:00:48,018 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:00:48,018 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-06-11 06:00:48,019 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:00:48,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:00:48,019 INFO L82 PathProgramCache]: Analyzing trace with hash 2086003407, now seen corresponding path program 1 times [2021-06-11 06:00:48,019 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:00:48,019 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403021981] [2021-06-11 06:00:48,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:00:48,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:00:48,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:48,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:00:48,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:48,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:00:48,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:48,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:00:48,109 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-06-11 06:00:48,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:00:48,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:48,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:00:48,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:00:48,115 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403021981] [2021-06-11 06:00:48,115 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:00:48,115 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-11 06:00:48,115 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135812256] [2021-06-11 06:00:48,116 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-11 06:00:48,116 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:00:48,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-11 06:00:48,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-06-11 06:00:48,117 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 184 out of 227 [2021-06-11 06:00:48,117 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 36 transitions, 192 flow. Second operand has 6 states, 6 states have (on average 184.83333333333334) internal successors, (1109), 6 states have internal predecessors, (1109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:00:48,118 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:00:48,118 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 184 of 227 [2021-06-11 06:00:48,118 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:00:48,170 INFO L129 PetriNetUnfolder]: 71/173 cut-off events. [2021-06-11 06:00:48,170 INFO L130 PetriNetUnfolder]: For 400/514 co-relation queries the response was YES. [2021-06-11 06:00:48,170 INFO L84 FinitePrefix]: Finished finitePrefix Result has 860 conditions, 173 events. 71/173 cut-off events. For 400/514 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 679 event pairs, 4 based on Foata normal form. 47/213 useless extension candidates. Maximal degree in co-relation 841. Up to 131 conditions per place. [2021-06-11 06:00:48,171 INFO L132 encePairwiseOnDemand]: 220/227 looper letters, 6 selfloop transitions, 13 changer transitions 9/49 dead transitions. [2021-06-11 06:00:48,171 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 49 transitions, 374 flow [2021-06-11 06:00:48,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-11 06:00:48,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-06-11 06:00:48,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1318 transitions. [2021-06-11 06:00:48,174 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8294524858401511 [2021-06-11 06:00:48,174 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1318 transitions. [2021-06-11 06:00:48,174 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1318 transitions. [2021-06-11 06:00:48,174 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:00:48,175 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1318 transitions. [2021-06-11 06:00:48,176 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 188.28571428571428) internal successors, (1318), 7 states have internal predecessors, (1318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:00:48,178 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 227.0) internal successors, (1816), 8 states have internal predecessors, (1816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:00:48,178 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 227.0) internal successors, (1816), 8 states have internal predecessors, (1816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:00:48,179 INFO L185 Difference]: Start difference. First operand has 51 places, 36 transitions, 192 flow. Second operand 7 states and 1318 transitions. [2021-06-11 06:00:48,179 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 49 transitions, 374 flow [2021-06-11 06:00:48,180 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 49 transitions, 312 flow, removed 26 selfloop flow, removed 4 redundant places. [2021-06-11 06:00:48,181 INFO L241 Difference]: Finished difference. Result has 56 places, 40 transitions, 242 flow [2021-06-11 06:00:48,181 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=227, PETRI_DIFFERENCE_MINUEND_FLOW=154, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=242, PETRI_PLACES=56, PETRI_TRANSITIONS=40} [2021-06-11 06:00:48,181 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 7 predicate places. [2021-06-11 06:00:48,181 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:00:48,181 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 56 places, 40 transitions, 242 flow [2021-06-11 06:00:48,181 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 56 places, 40 transitions, 242 flow [2021-06-11 06:00:48,182 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 54 places, 40 transitions, 242 flow [2021-06-11 06:00:48,191 INFO L129 PetriNetUnfolder]: 49/130 cut-off events. [2021-06-11 06:00:48,191 INFO L130 PetriNetUnfolder]: For 282/321 co-relation queries the response was YES. [2021-06-11 06:00:48,192 INFO L84 FinitePrefix]: Finished finitePrefix Result has 547 conditions, 130 events. 49/130 cut-off events. For 282/321 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 462 event pairs, 4 based on Foata normal form. 6/129 useless extension candidates. Maximal degree in co-relation 529. Up to 82 conditions per place. [2021-06-11 06:00:48,193 INFO L151 LiptonReduction]: Number of co-enabled transitions 544 [2021-06-11 06:00:48,195 INFO L163 LiptonReduction]: Checked pairs total: 650 [2021-06-11 06:00:48,195 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:00:48,195 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 14 [2021-06-11 06:00:48,196 INFO L480 AbstractCegarLoop]: Abstraction has has 54 places, 40 transitions, 242 flow [2021-06-11 06:00:48,196 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 184.83333333333334) internal successors, (1109), 6 states have internal predecessors, (1109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:00:48,196 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:00:48,196 INFO L263 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] [2021-06-11 06:00:48,196 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-06-11 06:00:48,196 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:00:48,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:00:48,196 INFO L82 PathProgramCache]: Analyzing trace with hash -503091662, now seen corresponding path program 1 times [2021-06-11 06:00:48,197 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:00:48,197 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769425858] [2021-06-11 06:00:48,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:00:48,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:00:48,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:48,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 06:00:48,294 INFO L142 QuantifierPusher]: treesize reduction 8, result has 83.0 percent of original size [2021-06-11 06:00:48,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 06:00:48,314 INFO L142 QuantifierPusher]: treesize reduction 22, result has 81.0 percent of original size [2021-06-11 06:00:48,315 INFO L147 QuantifierPusher]: treesize reduction 9, result has 90.4 percent of original size 85 [2021-06-11 06:00:48,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:48,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 06:00:48,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:48,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-06-11 06:00:48,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:00:48,361 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769425858] [2021-06-11 06:00:48,361 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:00:48,361 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-11 06:00:48,361 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104632571] [2021-06-11 06:00:48,362 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-11 06:00:48,362 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:00:48,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-11 06:00:48,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-11 06:00:48,363 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 227 [2021-06-11 06:00:48,364 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 40 transitions, 242 flow. Second operand has 7 states, 7 states have (on average 163.14285714285714) internal successors, (1142), 7 states have internal predecessors, (1142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:00:48,364 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:00:48,364 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 227 [2021-06-11 06:00:48,364 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:00:48,586 INFO L129 PetriNetUnfolder]: 440/975 cut-off events. [2021-06-11 06:00:48,586 INFO L130 PetriNetUnfolder]: For 1936/2339 co-relation queries the response was YES. [2021-06-11 06:00:48,590 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3459 conditions, 975 events. 440/975 cut-off events. For 1936/2339 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 6584 event pairs, 42 based on Foata normal form. 71/979 useless extension candidates. Maximal degree in co-relation 3439. Up to 452 conditions per place. [2021-06-11 06:00:48,593 INFO L132 encePairwiseOnDemand]: 218/227 looper letters, 22 selfloop transitions, 9 changer transitions 1/63 dead transitions. [2021-06-11 06:00:48,593 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 63 transitions, 394 flow [2021-06-11 06:00:48,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 06:00:48,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 06:00:48,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1005 transitions. [2021-06-11 06:00:48,596 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.737885462555066 [2021-06-11 06:00:48,596 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1005 transitions. [2021-06-11 06:00:48,596 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1005 transitions. [2021-06-11 06:00:48,596 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:00:48,596 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1005 transitions. [2021-06-11 06:00:48,597 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 167.5) internal successors, (1005), 6 states have internal predecessors, (1005), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:00:48,599 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 227.0) internal successors, (1589), 7 states have internal predecessors, (1589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:00:48,599 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 227.0) internal successors, (1589), 7 states have internal predecessors, (1589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:00:48,599 INFO L185 Difference]: Start difference. First operand has 54 places, 40 transitions, 242 flow. Second operand 6 states and 1005 transitions. [2021-06-11 06:00:48,599 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 63 transitions, 394 flow [2021-06-11 06:00:48,611 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 63 transitions, 324 flow, removed 26 selfloop flow, removed 5 redundant places. [2021-06-11 06:00:48,612 INFO L241 Difference]: Finished difference. Result has 57 places, 47 transitions, 248 flow [2021-06-11 06:00:48,612 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=227, PETRI_DIFFERENCE_MINUEND_FLOW=188, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=248, PETRI_PLACES=57, PETRI_TRANSITIONS=47} [2021-06-11 06:00:48,613 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 8 predicate places. [2021-06-11 06:00:48,613 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:00:48,613 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 57 places, 47 transitions, 248 flow [2021-06-11 06:00:48,613 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 57 places, 47 transitions, 248 flow [2021-06-11 06:00:48,613 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 57 places, 47 transitions, 248 flow [2021-06-11 06:00:48,679 INFO L129 PetriNetUnfolder]: 420/945 cut-off events. [2021-06-11 06:00:48,679 INFO L130 PetriNetUnfolder]: For 1062/1232 co-relation queries the response was YES. [2021-06-11 06:00:48,682 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2700 conditions, 945 events. 420/945 cut-off events. For 1062/1232 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 6372 event pairs, 125 based on Foata normal form. 68/936 useless extension candidates. Maximal degree in co-relation 2681. Up to 326 conditions per place. [2021-06-11 06:00:48,688 INFO L151 LiptonReduction]: Number of co-enabled transitions 666 [2021-06-11 06:00:48,695 INFO L163 LiptonReduction]: Checked pairs total: 223 [2021-06-11 06:00:48,695 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:00:48,695 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 82 [2021-06-11 06:00:48,696 INFO L480 AbstractCegarLoop]: Abstraction has has 57 places, 47 transitions, 248 flow [2021-06-11 06:00:48,696 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 163.14285714285714) internal successors, (1142), 7 states have internal predecessors, (1142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:00:48,696 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:00:48,696 INFO L263 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] [2021-06-11 06:00:48,696 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-06-11 06:00:48,696 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:00:48,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:00:48,697 INFO L82 PathProgramCache]: Analyzing trace with hash -1694942516, now seen corresponding path program 2 times [2021-06-11 06:00:48,697 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:00:48,697 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892906466] [2021-06-11 06:00:48,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:00:48,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:00:48,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:48,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:00:48,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:48,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:00:48,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:48,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:00:48,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:48,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:00:48,795 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-06-11 06:00:48,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:00:48,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:48,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:00:48,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:00:48,815 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892906466] [2021-06-11 06:00:48,815 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:00:48,815 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-11 06:00:48,815 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068507689] [2021-06-11 06:00:48,815 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-11 06:00:48,815 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:00:48,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-11 06:00:48,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-06-11 06:00:48,816 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 184 out of 227 [2021-06-11 06:00:48,817 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 47 transitions, 248 flow. Second operand has 7 states, 7 states have (on average 184.85714285714286) internal successors, (1294), 7 states have internal predecessors, (1294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:00:48,817 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:00:48,817 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 184 of 227 [2021-06-11 06:00:48,817 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:00:48,942 INFO L129 PetriNetUnfolder]: 359/808 cut-off events. [2021-06-11 06:00:48,942 INFO L130 PetriNetUnfolder]: For 1317/2123 co-relation queries the response was YES. [2021-06-11 06:00:48,945 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2735 conditions, 808 events. 359/808 cut-off events. For 1317/2123 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 5225 event pairs, 93 based on Foata normal form. 379/1120 useless extension candidates. Maximal degree in co-relation 2714. Up to 292 conditions per place. [2021-06-11 06:00:48,947 INFO L132 encePairwiseOnDemand]: 220/227 looper letters, 2 selfloop transitions, 18 changer transitions 5/51 dead transitions. [2021-06-11 06:00:48,947 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 51 transitions, 337 flow [2021-06-11 06:00:48,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 06:00:48,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 06:00:48,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1498 transitions. [2021-06-11 06:00:48,950 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8248898678414097 [2021-06-11 06:00:48,950 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1498 transitions. [2021-06-11 06:00:48,950 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1498 transitions. [2021-06-11 06:00:48,951 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:00:48,951 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1498 transitions. [2021-06-11 06:00:48,953 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 187.25) internal successors, (1498), 8 states have internal predecessors, (1498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:00:48,955 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 227.0) internal successors, (2043), 9 states have internal predecessors, (2043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:00:48,956 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 227.0) internal successors, (2043), 9 states have internal predecessors, (2043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:00:48,956 INFO L185 Difference]: Start difference. First operand has 57 places, 47 transitions, 248 flow. Second operand 8 states and 1498 transitions. [2021-06-11 06:00:48,956 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 51 transitions, 337 flow [2021-06-11 06:00:48,962 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 51 transitions, 306 flow, removed 10 selfloop flow, removed 4 redundant places. [2021-06-11 06:00:48,963 INFO L241 Difference]: Finished difference. Result has 63 places, 46 transitions, 272 flow [2021-06-11 06:00:48,963 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=227, PETRI_DIFFERENCE_MINUEND_FLOW=218, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=272, PETRI_PLACES=63, PETRI_TRANSITIONS=46} [2021-06-11 06:00:48,964 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 14 predicate places. [2021-06-11 06:00:48,964 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:00:48,964 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 63 places, 46 transitions, 272 flow [2021-06-11 06:00:48,964 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 63 places, 46 transitions, 272 flow [2021-06-11 06:00:48,964 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 61 places, 46 transitions, 272 flow [2021-06-11 06:00:49,014 INFO L129 PetriNetUnfolder]: 294/672 cut-off events. [2021-06-11 06:00:49,014 INFO L130 PetriNetUnfolder]: For 1005/1109 co-relation queries the response was YES. [2021-06-11 06:00:49,017 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2170 conditions, 672 events. 294/672 cut-off events. For 1005/1109 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 4203 event pairs, 93 based on Foata normal form. 1/620 useless extension candidates. Maximal degree in co-relation 2150. Up to 225 conditions per place. [2021-06-11 06:00:49,052 INFO L151 LiptonReduction]: Number of co-enabled transitions 590 [2021-06-11 06:00:49,059 INFO L163 LiptonReduction]: Checked pairs total: 252 [2021-06-11 06:00:49,059 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:00:49,059 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 95 [2021-06-11 06:00:49,060 INFO L480 AbstractCegarLoop]: Abstraction has has 61 places, 46 transitions, 272 flow [2021-06-11 06:00:49,060 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 184.85714285714286) internal successors, (1294), 7 states have internal predecessors, (1294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:00:49,060 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:00:49,060 INFO L263 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] [2021-06-11 06:00:49,061 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-06-11 06:00:49,061 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:00:49,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:00:49,061 INFO L82 PathProgramCache]: Analyzing trace with hash -1021784495, now seen corresponding path program 1 times [2021-06-11 06:00:49,061 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:00:49,061 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459359814] [2021-06-11 06:00:49,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:00:49,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:00:49,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:49,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:00:49,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:49,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:00:49,103 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-06-11 06:00:49,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 06:00:49,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:00:49,112 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459359814] [2021-06-11 06:00:49,112 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:00:49,112 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 06:00:49,112 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087591138] [2021-06-11 06:00:49,112 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 06:00:49,112 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:00:49,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 06:00:49,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-11 06:00:49,113 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 227 [2021-06-11 06:00:49,114 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 46 transitions, 272 flow. Second operand has 4 states, 4 states have (on average 178.0) internal successors, (712), 4 states have internal predecessors, (712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:00:49,114 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:00:49,114 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 227 [2021-06-11 06:00:49,114 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:00:49,335 INFO L129 PetriNetUnfolder]: 918/1981 cut-off events. [2021-06-11 06:00:49,335 INFO L130 PetriNetUnfolder]: For 2703/2867 co-relation queries the response was YES. [2021-06-11 06:00:49,344 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6323 conditions, 1981 events. 918/1981 cut-off events. For 2703/2867 co-relation queries the response was YES. Maximal size of possible extension queue 197. Compared 14900 event pairs, 163 based on Foata normal form. 8/1800 useless extension candidates. Maximal degree in co-relation 6301. Up to 685 conditions per place. [2021-06-11 06:00:49,349 INFO L132 encePairwiseOnDemand]: 219/227 looper letters, 9 selfloop transitions, 12 changer transitions 4/61 dead transitions. [2021-06-11 06:00:49,349 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 61 transitions, 376 flow [2021-06-11 06:00:49,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 06:00:49,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 06:00:49,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 901 transitions. [2021-06-11 06:00:49,351 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7938325991189428 [2021-06-11 06:00:49,351 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 901 transitions. [2021-06-11 06:00:49,351 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 901 transitions. [2021-06-11 06:00:49,351 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:00:49,351 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 901 transitions. [2021-06-11 06:00:49,352 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 180.2) internal successors, (901), 5 states have internal predecessors, (901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:00:49,354 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 227.0) internal successors, (1362), 6 states have internal predecessors, (1362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:00:49,354 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 227.0) internal successors, (1362), 6 states have internal predecessors, (1362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:00:49,354 INFO L185 Difference]: Start difference. First operand has 61 places, 46 transitions, 272 flow. Second operand 5 states and 901 transitions. [2021-06-11 06:00:49,354 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 61 transitions, 376 flow [2021-06-11 06:00:49,384 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 61 transitions, 314 flow, removed 18 selfloop flow, removed 7 redundant places. [2021-06-11 06:00:49,385 INFO L241 Difference]: Finished difference. Result has 60 places, 55 transitions, 289 flow [2021-06-11 06:00:49,385 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=227, PETRI_DIFFERENCE_MINUEND_FLOW=210, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=289, PETRI_PLACES=60, PETRI_TRANSITIONS=55} [2021-06-11 06:00:49,385 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 11 predicate places. [2021-06-11 06:00:49,385 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:00:49,385 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 60 places, 55 transitions, 289 flow [2021-06-11 06:00:49,386 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 60 places, 55 transitions, 289 flow [2021-06-11 06:00:49,386 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 59 places, 55 transitions, 289 flow [2021-06-11 06:00:49,481 INFO L129 PetriNetUnfolder]: 556/1323 cut-off events. [2021-06-11 06:00:49,481 INFO L130 PetriNetUnfolder]: For 949/984 co-relation queries the response was YES. [2021-06-11 06:00:49,486 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3659 conditions, 1323 events. 556/1323 cut-off events. For 949/984 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 9823 event pairs, 164 based on Foata normal form. 8/1244 useless extension candidates. Maximal degree in co-relation 3640. Up to 456 conditions per place. [2021-06-11 06:00:49,494 INFO L151 LiptonReduction]: Number of co-enabled transitions 708 [2021-06-11 06:00:49,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:00:49,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:00:49,614 INFO L163 LiptonReduction]: Checked pairs total: 207 [2021-06-11 06:00:49,614 INFO L165 LiptonReduction]: Total number of compositions: 1 [2021-06-11 06:00:49,614 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 229 [2021-06-11 06:00:49,614 INFO L480 AbstractCegarLoop]: Abstraction has has 59 places, 55 transitions, 291 flow [2021-06-11 06:00:49,615 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 178.0) internal successors, (712), 4 states have internal predecessors, (712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:00:49,615 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:00:49,615 INFO L263 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] [2021-06-11 06:00:49,615 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-06-11 06:00:49,615 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:00:49,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:00:49,615 INFO L82 PathProgramCache]: Analyzing trace with hash -435067737, now seen corresponding path program 2 times [2021-06-11 06:00:49,615 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:00:49,615 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215774180] [2021-06-11 06:00:49,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:00:49,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-11 06:00:49,647 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-11 06:00:49,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-11 06:00:49,684 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-11 06:00:49,727 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-11 06:00:49,727 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-06-11 06:00:49,727 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-06-11 06:00:49,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.06 06:00:49 BasicIcfg [2021-06-11 06:00:49,808 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-11 06:00:49,809 INFO L168 Benchmark]: Toolchain (without parser) took 11941.52 ms. Allocated memory was 375.4 MB in the beginning and 708.8 MB in the end (delta: 333.4 MB). Free memory was 336.7 MB in the beginning and 298.3 MB in the end (delta: 38.4 MB). Peak memory consumption was 373.2 MB. Max. memory is 16.0 GB. [2021-06-11 06:00:49,809 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 375.4 MB. Free memory is still 355.5 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-11 06:00:49,809 INFO L168 Benchmark]: CACSL2BoogieTranslator took 574.23 ms. Allocated memory is still 375.4 MB. Free memory was 336.6 MB in the beginning and 332.8 MB in the end (delta: 3.7 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.0 GB. [2021-06-11 06:00:49,809 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.84 ms. Allocated memory is still 375.4 MB. Free memory was 332.8 MB in the beginning and 330.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-11 06:00:49,809 INFO L168 Benchmark]: Boogie Preprocessor took 23.37 ms. Allocated memory is still 375.4 MB. Free memory was 330.7 MB in the beginning and 327.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-06-11 06:00:49,809 INFO L168 Benchmark]: RCFGBuilder took 1664.77 ms. Allocated memory is still 375.4 MB. Free memory was 327.6 MB in the beginning and 240.1 MB in the end (delta: 87.5 MB). Peak memory consumption was 148.3 MB. Max. memory is 16.0 GB. [2021-06-11 06:00:49,809 INFO L168 Benchmark]: TraceAbstraction took 9600.03 ms. Allocated memory was 375.4 MB in the beginning and 708.8 MB in the end (delta: 333.4 MB). Free memory was 240.1 MB in the beginning and 298.3 MB in the end (delta: -58.2 MB). Peak memory consumption was 274.2 MB. Max. memory is 16.0 GB. [2021-06-11 06:00:49,810 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 375.4 MB. Free memory is still 355.5 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 574.23 ms. Allocated memory is still 375.4 MB. Free memory was 336.6 MB in the beginning and 332.8 MB in the end (delta: 3.7 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 72.84 ms. Allocated memory is still 375.4 MB. Free memory was 332.8 MB in the beginning and 330.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 23.37 ms. Allocated memory is still 375.4 MB. Free memory was 330.7 MB in the beginning and 327.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1664.77 ms. Allocated memory is still 375.4 MB. Free memory was 327.6 MB in the beginning and 240.1 MB in the end (delta: 87.5 MB). Peak memory consumption was 148.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 9600.03 ms. Allocated memory was 375.4 MB in the beginning and 708.8 MB in the end (delta: 333.4 MB). Free memory was 240.1 MB in the beginning and 298.3 MB in the end (delta: -58.2 MB). Peak memory consumption was 274.2 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6275.4ms, 128 PlacesBefore, 49 PlacesAfterwards, 117 TransitionsBefore, 37 TransitionsAfterwards, 2886 CoEnabledTransitionPairs, 8 FixpointIterations, 43 TrivialSequentialCompositions, 56 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 1 ChoiceCompositions, 104 TotalNumberOfCompositions, 9515 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4380, positive: 4138, positive conditional: 0, positive unconditional: 4138, negative: 242, negative conditional: 0, negative unconditional: 242, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2055, positive: 1985, positive conditional: 0, positive unconditional: 1985, negative: 70, negative conditional: 0, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2055, positive: 1985, positive conditional: 0, positive unconditional: 1985, negative: 70, negative conditional: 0, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2055, positive: 1967, positive conditional: 0, positive unconditional: 1967, negative: 88, negative conditional: 0, negative unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 88, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 70, negative conditional: 0, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 680, positive: 35, positive conditional: 0, positive unconditional: 35, negative: 645, negative conditional: 0, negative unconditional: 645, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4380, positive: 2153, positive conditional: 0, positive unconditional: 2153, negative: 172, negative conditional: 0, negative unconditional: 172, unknown: 2055, unknown conditional: 0, unknown unconditional: 2055] , Statistics on independence cache: Total cache size (in pairs): 3621, Positive cache size: 3557, Positive conditional cache size: 0, Positive unconditional cache size: 3557, Negative cache size: 64, Negative conditional cache size: 0, Negative unconditional cache size: 64 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 158.8ms, 45 PlacesBefore, 44 PlacesAfterwards, 33 TransitionsBefore, 33 TransitionsAfterwards, 564 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 678 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 205, positive: 173, positive conditional: 0, positive unconditional: 173, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 16, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 16, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 7, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 151, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 151, negative conditional: 0, negative unconditional: 151, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 205, positive: 164, positive conditional: 0, positive unconditional: 164, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 16, unknown conditional: 0, unknown unconditional: 16] , Statistics on independence cache: Total cache size (in pairs): 3637, Positive cache size: 3566, Positive conditional cache size: 0, Positive unconditional cache size: 3566, Negative cache size: 71, Negative conditional cache size: 0, Negative unconditional cache size: 71 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 198.9ms, 45 PlacesBefore, 40 PlacesAfterwards, 29 TransitionsBefore, 28 TransitionsAfterwards, 446 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1047 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 354, positive: 299, positive conditional: 0, positive unconditional: 299, negative: 55, negative conditional: 0, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 37, positive: 29, positive conditional: 0, positive unconditional: 29, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 37, positive: 29, positive conditional: 0, positive unconditional: 29, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 37, positive: 27, positive conditional: 0, positive unconditional: 27, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 10, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 166, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 161, negative conditional: 0, negative unconditional: 161, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 354, positive: 270, positive conditional: 0, positive unconditional: 270, negative: 47, negative conditional: 0, negative unconditional: 47, unknown: 37, unknown conditional: 0, unknown unconditional: 37] , Statistics on independence cache: Total cache size (in pairs): 3761, Positive cache size: 3682, Positive conditional cache size: 0, Positive unconditional cache size: 3682, Negative cache size: 79, Negative conditional cache size: 0, Negative unconditional cache size: 79 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 27.8ms, 41 PlacesBefore, 40 PlacesAfterwards, 28 TransitionsBefore, 27 TransitionsAfterwards, 408 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 879 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 284, positive: 237, positive conditional: 0, positive unconditional: 237, negative: 47, negative conditional: 0, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 284, positive: 237, positive conditional: 0, positive unconditional: 237, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 3869, Positive cache size: 3789, Positive conditional cache size: 0, Positive unconditional cache size: 3789, Negative cache size: 80, Negative conditional cache size: 0, Negative unconditional cache size: 80 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 16.9ms, 45 PlacesBefore, 43 PlacesAfterwards, 31 TransitionsBefore, 31 TransitionsAfterwards, 444 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 428 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 72, positive: 52, positive conditional: 0, positive unconditional: 52, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 72, positive: 51, positive conditional: 0, positive unconditional: 51, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 3871, Positive cache size: 3790, Positive conditional cache size: 0, Positive unconditional cache size: 3790, Negative cache size: 81, Negative conditional cache size: 0, Negative unconditional cache size: 81 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 28.0ms, 46 PlacesBefore, 46 PlacesAfterwards, 32 TransitionsBefore, 32 TransitionsAfterwards, 464 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 400 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 63, positive: 45, positive conditional: 0, positive unconditional: 45, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 63, positive: 43, positive conditional: 0, positive unconditional: 43, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 3873, Positive cache size: 3792, Positive conditional cache size: 0, Positive unconditional cache size: 3792, Negative cache size: 81, Negative conditional cache size: 0, Negative unconditional cache size: 81 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 31.0ms, 53 PlacesBefore, 51 PlacesAfterwards, 36 TransitionsBefore, 36 TransitionsAfterwards, 548 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 552 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 95, positive: 73, positive conditional: 0, positive unconditional: 73, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 95, positive: 69, positive conditional: 0, positive unconditional: 69, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , Statistics on independence cache: Total cache size (in pairs): 3878, Positive cache size: 3796, Positive conditional cache size: 0, Positive unconditional cache size: 3796, Negative cache size: 82, Negative conditional cache size: 0, Negative unconditional cache size: 82 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 13.7ms, 56 PlacesBefore, 54 PlacesAfterwards, 40 TransitionsBefore, 40 TransitionsAfterwards, 544 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 650 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 155, positive: 129, positive conditional: 0, positive unconditional: 129, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 155, positive: 121, positive conditional: 0, positive unconditional: 121, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 8, unknown conditional: 0, unknown unconditional: 8] , Statistics on independence cache: Total cache size (in pairs): 3886, Positive cache size: 3804, Positive conditional cache size: 0, Positive unconditional cache size: 3804, Negative cache size: 82, Negative conditional cache size: 0, Negative unconditional cache size: 82 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 82.1ms, 57 PlacesBefore, 57 PlacesAfterwards, 47 TransitionsBefore, 47 TransitionsAfterwards, 666 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 223 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 48, positive: 41, positive conditional: 0, positive unconditional: 41, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 48, positive: 41, positive conditional: 0, positive unconditional: 41, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3886, Positive cache size: 3804, Positive conditional cache size: 0, Positive unconditional cache size: 3804, Negative cache size: 82, Negative conditional cache size: 0, Negative unconditional cache size: 82 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 95.5ms, 63 PlacesBefore, 61 PlacesAfterwards, 46 TransitionsBefore, 46 TransitionsAfterwards, 590 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 252 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 40, positive: 31, positive conditional: 0, positive unconditional: 31, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 40, positive: 30, positive conditional: 0, positive unconditional: 30, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 3887, Positive cache size: 3805, Positive conditional cache size: 0, Positive unconditional cache size: 3805, Negative cache size: 82, Negative conditional cache size: 0, Negative unconditional cache size: 82 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 228.3ms, 60 PlacesBefore, 59 PlacesAfterwards, 55 TransitionsBefore, 55 TransitionsAfterwards, 708 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 207 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 132, positive: 126, positive conditional: 0, positive unconditional: 126, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 132, positive: 122, positive conditional: 0, positive unconditional: 122, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 3964, Positive cache size: 3882, Positive conditional cache size: 0, Positive unconditional cache size: 3882, Negative cache size: 82, Negative conditional cache size: 0, Negative unconditional cache size: 82 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p0_EAX = 0; [L714] 0 int __unbuffered_p1_EAX = 0; [L716] 0 int __unbuffered_p2_EAX = 0; [L718] 0 int __unbuffered_p2_EBX = 0; [L720] 0 int __unbuffered_p3_EAX = 0; [L722] 0 int __unbuffered_p3_EBX = 0; [L724] 0 int a = 0; [L725] 0 _Bool a$flush_delayed; [L726] 0 int a$mem_tmp; [L727] 0 _Bool a$r_buff0_thd0; [L728] 0 _Bool a$r_buff0_thd1; [L729] 0 _Bool a$r_buff0_thd2; [L730] 0 _Bool a$r_buff0_thd3; [L731] 0 _Bool a$r_buff0_thd4; [L732] 0 _Bool a$r_buff1_thd0; [L733] 0 _Bool a$r_buff1_thd1; [L734] 0 _Bool a$r_buff1_thd2; [L735] 0 _Bool a$r_buff1_thd3; [L736] 0 _Bool a$r_buff1_thd4; [L737] 0 _Bool a$read_delayed; [L738] 0 int *a$read_delayed_var; [L739] 0 int a$w_buff0; [L740] 0 _Bool a$w_buff0_used; [L741] 0 int a$w_buff1; [L742] 0 _Bool a$w_buff1_used; [L743] 0 _Bool main$tmp_guard0; [L744] 0 _Bool main$tmp_guard1; [L746] 0 int x = 0; [L748] 0 int y = 0; [L750] 0 int z = 0; [L751] 0 _Bool weak$$choice0; [L752] 0 _Bool weak$$choice2; [L873] 0 pthread_t t113; [L874] FCALL, FORK 0 pthread_create(&t113, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L875] 0 pthread_t t114; [L876] FCALL, FORK 0 pthread_create(&t114, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L877] 0 pthread_t t115; [L878] FCALL, FORK 0 pthread_create(&t115, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L879] 0 pthread_t t116; [L880] FCALL, FORK 0 pthread_create(&t116, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L756] 1 a$w_buff1 = a$w_buff0 [L757] 1 a$w_buff0 = 1 [L758] 1 a$w_buff1_used = a$w_buff0_used [L759] 1 a$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L761] 1 a$r_buff1_thd0 = a$r_buff0_thd0 [L762] 1 a$r_buff1_thd1 = a$r_buff0_thd1 [L763] 1 a$r_buff1_thd2 = a$r_buff0_thd2 [L764] 1 a$r_buff1_thd3 = a$r_buff0_thd3 [L765] 1 a$r_buff1_thd4 = a$r_buff0_thd4 [L766] 1 a$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L769] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L786] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L789] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L806] 3 y = 1 [L809] 3 __unbuffered_p2_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0] [L812] 3 __unbuffered_p2_EBX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0] [L829] 4 z = 1 [L832] 4 __unbuffered_p3_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=1] [L792] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L792] EXPR 2 a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a [L792] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L792] 2 a = a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L793] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L793] 2 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L794] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L794] 2 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L795] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L795] 2 a$r_buff0_thd2 = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L796] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L796] 2 a$r_buff1_thd2 = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L835] 4 weak$$choice0 = __VERIFIER_nondet_bool() [L836] 4 weak$$choice2 = __VERIFIER_nondet_bool() [L837] 4 a$flush_delayed = weak$$choice2 [L838] 4 a$mem_tmp = a [L839] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1) [L839] 4 a = !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1) [L840] EXPR 4 weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L840] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0) [L840] EXPR 4 weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L840] 4 a$w_buff0 = weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L841] EXPR 4 weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L841] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1) [L841] EXPR 4 weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L841] 4 a$w_buff1 = weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L842] EXPR 4 weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L842] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used) [L842] EXPR 4 weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L842] 4 a$w_buff0_used = weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L843] EXPR 4 weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L843] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0) [L843] EXPR 4 weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L843] 4 a$w_buff1_used = weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L844] EXPR 4 weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L844] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4) [L844] EXPR 4 weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L844] 4 a$r_buff0_thd4 = weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L845] EXPR 4 weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L845] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0) [L845] EXPR 4 weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L845] 4 a$r_buff1_thd4 = weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L846] 4 __unbuffered_p3_EBX = a [L847] EXPR 4 a$flush_delayed ? a$mem_tmp : a [L847] 4 a = a$flush_delayed ? a$mem_tmp : a [L848] 4 a$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=0, x=1, y=1, z=1] [L815] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L815] EXPR 3 a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a [L815] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L815] 3 a = a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L816] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L816] 3 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L817] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L817] 3 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L818] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L818] 3 a$r_buff0_thd3 = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L819] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L819] 3 a$r_buff1_thd3 = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L772] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L772] 1 a = a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L773] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L773] 1 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L774] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L774] 1 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L775] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L775] 1 a$r_buff0_thd1 = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L776] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L776] 1 a$r_buff1_thd1 = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L851] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L851] EXPR 4 a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a [L851] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L851] 4 a = a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L852] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used [L852] 4 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used [L853] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$w_buff1_used [L853] 4 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$w_buff1_used [L854] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4 [L854] 4 a$r_buff0_thd4 = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4 [L855] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$r_buff1_thd4 [L855] 4 a$r_buff1_thd4 = a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$r_buff1_thd4 [L779] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L781] 1 return 0; [L799] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L801] 2 return 0; [L822] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L824] 3 return 0; [L858] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L860] 4 return 0; [L882] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L3] COND FALSE 0 !(!cond) [L886] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L886] EXPR 0 a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a [L886] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L886] 0 a = a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L887] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L887] 0 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L888] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used [L888] 0 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used [L889] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L889] 0 a$r_buff0_thd0 = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L890] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$r_buff1_thd0 [L890] 0 a$r_buff1_thd0 = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$r_buff1_thd0 [L893] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=0, x=1, y=1, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 120 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 1.3ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 9383.2ms, OverallIterations: 11, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 1116.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 6352.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 56 SDtfs, 28 SDslu, 38 SDs, 0 SdLazy, 324 SolverSat, 60 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 247.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 189.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=291occurred in iteration=10, InterpolantAutomatonStates: 50, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 23.0ms SsaConstructionTime, 265.9ms SatisfiabilityAnalysisTime, 538.5ms InterpolantComputationTime, 192 NumberOfCodeBlocks, 192 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 155 ConstructedInterpolants, 0 QuantifiedInterpolants, 991 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...