/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-SemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix025_rmo.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-0e22065b97d0a1f8b3904e080cebe0f05e88d2b7-0e22065 [2021-06-10 20:49:48,472 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-10 20:49:48,480 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-10 20:49:48,518 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-10 20:49:48,518 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-10 20:49:48,522 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-10 20:49:48,524 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-10 20:49:48,530 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-10 20:49:48,532 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-10 20:49:48,535 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-10 20:49:48,536 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-10 20:49:48,537 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-10 20:49:48,538 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-10 20:49:48,539 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-10 20:49:48,541 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-10 20:49:48,542 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-10 20:49:48,544 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-10 20:49:48,545 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-10 20:49:48,548 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-10 20:49:48,553 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-10 20:49:48,554 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-10 20:49:48,555 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-10 20:49:48,556 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-10 20:49:48,558 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-10 20:49:48,564 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-10 20:49:48,576 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-10 20:49:48,577 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-10 20:49:48,578 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-10 20:49:48,579 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-10 20:49:48,580 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-10 20:49:48,580 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-10 20:49:48,580 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-10 20:49:48,580 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-10 20:49:48,581 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-10 20:49:48,581 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-10 20:49:48,582 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-10 20:49:48,582 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-SemanticLbe.epf [2021-06-10 20:49:48,616 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-10 20:49:48,617 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-10 20:49:48,619 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-10 20:49:48,620 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-10 20:49:48,620 INFO L138 SettingsManager]: * Use SBE=true [2021-06-10 20:49:48,620 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-10 20:49:48,620 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-10 20:49:48,620 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-10 20:49:48,620 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-10 20:49:48,621 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-10 20:49:48,621 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-10 20:49:48,622 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-10 20:49:48,622 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-10 20:49:48,622 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-10 20:49:48,622 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-10 20:49:48,622 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-10 20:49:48,622 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-10 20:49:48,623 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-10 20:49:48,623 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-10 20:49:48,623 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-10 20:49:48,623 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-10 20:49:48,623 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-10 20:49:48,624 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-10 20:49:48,624 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-10 20:49:48,624 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-10 20:49:48,624 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-10 20:49:48,624 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-10 20:49:48,624 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-06-10 20:49:48,624 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-10 20:49:48,951 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-10 20:49:48,978 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-10 20:49:48,980 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-10 20:49:48,981 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-10 20:49:48,983 INFO L275 PluginConnector]: CDTParser initialized [2021-06-10 20:49:48,984 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix025_rmo.oepc.i [2021-06-10 20:49:49,044 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c2a002f8/f851c800c4d94e54b0e5441d1fca8ab6/FLAGf4ae82be3 [2021-06-10 20:49:49,565 INFO L306 CDTParser]: Found 1 translation units. [2021-06-10 20:49:49,566 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix025_rmo.oepc.i [2021-06-10 20:49:49,589 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c2a002f8/f851c800c4d94e54b0e5441d1fca8ab6/FLAGf4ae82be3 [2021-06-10 20:49:49,887 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c2a002f8/f851c800c4d94e54b0e5441d1fca8ab6 [2021-06-10 20:49:49,889 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-10 20:49:49,892 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-10 20:49:49,896 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-10 20:49:49,896 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-10 20:49:49,899 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-10 20:49:49,900 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.06 08:49:49" (1/1) ... [2021-06-10 20:49:49,901 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5af2befc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 08:49:49, skipping insertion in model container [2021-06-10 20:49:49,901 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.06 08:49:49" (1/1) ... [2021-06-10 20:49:49,907 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-10 20:49:49,960 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-10 20:49:50,080 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/mix025_rmo.oepc.i[949,962] [2021-06-10 20:49:50,318 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-10 20:49:50,332 INFO L203 MainTranslator]: Completed pre-run [2021-06-10 20:49:50,342 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/mix025_rmo.oepc.i[949,962] [2021-06-10 20:49:50,376 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-10 20:49:50,433 INFO L208 MainTranslator]: Completed translation [2021-06-10 20:49:50,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 08:49:50 WrapperNode [2021-06-10 20:49:50,434 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-10 20:49:50,435 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-10 20:49:50,435 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-10 20:49:50,435 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-10 20:49:50,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 08:49:50" (1/1) ... [2021-06-10 20:49:50,455 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 08:49:50" (1/1) ... [2021-06-10 20:49:50,483 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-10 20:49:50,484 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-10 20:49:50,484 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-10 20:49:50,484 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-10 20:49:50,495 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 08:49:50" (1/1) ... [2021-06-10 20:49:50,496 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 08:49:50" (1/1) ... [2021-06-10 20:49:50,510 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 08:49:50" (1/1) ... [2021-06-10 20:49:50,510 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 08:49:50" (1/1) ... [2021-06-10 20:49:50,528 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 08:49:50" (1/1) ... [2021-06-10 20:49:50,532 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 08:49:50" (1/1) ... [2021-06-10 20:49:50,534 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 08:49:50" (1/1) ... [2021-06-10 20:49:50,538 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-10 20:49:50,539 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-10 20:49:50,539 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-10 20:49:50,539 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-10 20:49:50,540 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 08:49:50" (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 [2021-06-10 20:49:50,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-10 20:49:50,607 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-10 20:49:50,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-10 20:49:50,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-10 20:49:50,607 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-10 20:49:50,607 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-10 20:49:50,607 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-10 20:49:50,607 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-10 20:49:50,607 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-10 20:49:50,608 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-10 20:49:50,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-10 20:49:50,608 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-10 20:49:50,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-10 20:49:50,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-10 20:49:50,609 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-10 20:49:52,455 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-10 20:49:52,456 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-06-10 20:49:52,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.06 08:49:52 BoogieIcfgContainer [2021-06-10 20:49:52,457 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-10 20:49:52,459 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-10 20:49:52,459 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-10 20:49:52,461 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-10 20:49:52,461 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.06 08:49:49" (1/3) ... [2021-06-10 20:49:52,462 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d8df474 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.06 08:49:52, skipping insertion in model container [2021-06-10 20:49:52,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 08:49:50" (2/3) ... [2021-06-10 20:49:52,462 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d8df474 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.06 08:49:52, skipping insertion in model container [2021-06-10 20:49:52,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.06 08:49:52" (3/3) ... [2021-06-10 20:49:52,464 INFO L111 eAbstractionObserver]: Analyzing ICFG mix025_rmo.oepc.i [2021-06-10 20:49:52,469 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-10 20:49:52,474 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-06-10 20:49:52,475 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-10 20:49:52,507 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,508 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,508 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,508 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,508 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,508 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,508 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,508 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,508 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,509 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,509 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,509 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,509 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,509 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,509 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,509 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,510 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,510 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,510 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,510 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,510 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,510 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,510 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,511 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,511 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,511 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,511 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,511 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,511 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,511 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,512 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,512 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,512 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,512 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,512 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,512 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,513 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,513 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,513 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,513 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,513 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,513 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,513 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,513 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,513 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,514 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,514 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,514 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,514 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,514 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,514 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,514 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,515 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,515 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,515 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,515 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,515 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,515 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,515 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,516 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,516 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,516 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,516 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,516 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,516 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,517 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,517 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,517 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,517 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,517 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,517 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,517 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,517 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,517 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,517 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,518 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,518 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,518 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,518 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,518 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,518 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,518 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,518 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,518 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,519 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,519 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,519 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,519 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,519 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,519 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,519 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,519 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,519 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,519 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,520 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,520 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,520 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,520 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,520 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,520 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,520 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,520 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,520 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,520 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,521 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,521 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,522 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,523 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,523 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,523 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,523 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,523 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,523 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,523 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,523 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,523 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,524 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,524 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,524 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,524 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,524 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,524 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,524 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,524 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,524 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,524 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,524 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,525 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,525 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,525 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,525 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,525 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,525 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,525 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,525 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,525 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,526 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,526 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,526 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,526 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,526 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,526 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,526 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,526 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,528 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,528 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,528 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,529 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,529 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,529 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,529 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,529 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,529 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,529 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,530 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,530 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,530 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,530 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,530 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,530 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,530 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,530 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,532 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,532 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,533 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,533 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,533 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,533 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,533 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,533 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,533 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,533 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,535 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,535 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,536 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,536 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,536 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,536 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,536 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,536 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,536 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,536 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,537 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,537 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,537 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,537 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,537 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,537 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,537 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,537 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,537 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,537 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,538 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,538 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,538 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,538 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,538 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,538 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,538 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,538 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,538 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,538 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,539 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,539 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,539 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,540 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,540 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,540 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,540 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,541 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,541 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,541 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,541 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,541 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,541 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,541 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,541 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:49:52,542 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-10 20:49:52,558 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-06-10 20:49:52,574 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-06-10 20:49:52,575 INFO L377 AbstractCegarLoop]: Hoare is false [2021-06-10 20:49:52,575 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-10 20:49:52,575 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-10 20:49:52,575 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-10 20:49:52,575 INFO L381 AbstractCegarLoop]: Difference is false [2021-06-10 20:49:52,575 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-10 20:49:52,575 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-10 20:49:52,588 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 108 places, 100 transitions, 215 flow [2021-06-10 20:49:52,632 INFO L129 PetriNetUnfolder]: 2/97 cut-off events. [2021-06-10 20:49:52,634 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-10 20:49:52,644 INFO L84 FinitePrefix]: Finished finitePrefix Result has 107 conditions, 97 events. 2/97 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 71 event pairs, 0 based on Foata normal form. 0/93 useless extension candidates. Maximal degree in co-relation 62. Up to 2 conditions per place. [2021-06-10 20:49:52,644 INFO L82 GeneralOperation]: Start removeDead. Operand has 108 places, 100 transitions, 215 flow [2021-06-10 20:49:52,648 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 105 places, 97 transitions, 203 flow [2021-06-10 20:49:52,649 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-10 20:49:52,664 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 105 places, 97 transitions, 203 flow [2021-06-10 20:49:52,668 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 105 places, 97 transitions, 203 flow [2021-06-10 20:49:52,673 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 105 places, 97 transitions, 203 flow [2021-06-10 20:49:52,709 INFO L129 PetriNetUnfolder]: 2/97 cut-off events. [2021-06-10 20:49:52,710 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-10 20:49:52,711 INFO L84 FinitePrefix]: Finished finitePrefix Result has 107 conditions, 97 events. 2/97 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 69 event pairs, 0 based on Foata normal form. 0/93 useless extension candidates. Maximal degree in co-relation 62. Up to 2 conditions per place. [2021-06-10 20:49:52,715 INFO L151 LiptonReduction]: Number of co-enabled transitions 1778 [2021-06-10 20:49:52,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:52,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:49:52,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:52,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:49:52,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:52,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:49:52,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:52,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:49:52,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:52,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:49:53,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:53,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:49:53,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:53,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:49:53,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:53,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:49:53,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:53,271 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2021-06-10 20:49:53,272 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 20:49:53,296 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:53,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:49:53,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:53,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 20:49:53,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:53,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 20:49:53,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 20:49:53,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:53,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:49:53,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:53,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:49:53,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:53,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:49:53,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:53,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:49:53,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:53,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:49:53,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:53,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:49:53,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:53,704 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 20:49:53,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:53,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 20:49:53,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 20:49:53,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:53,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:49:53,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:53,787 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 20:49:53,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:53,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 20:49:53,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 20:49:53,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:53,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:49:53,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:53,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:49:53,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:53,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:49:54,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:54,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:49:54,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:54,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:49:54,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:54,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:49:54,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:54,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:49:54,187 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-06-10 20:49:54,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:49:54,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:54,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:49:54,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:54,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:49:54,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:54,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:49:54,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:54,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:49:54,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:54,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:49:54,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:54,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:49:54,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:54,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:49:54,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:54,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:49:54,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:54,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:49:54,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:54,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:49:54,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:54,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:49:54,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:54,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:49:54,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:54,843 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 20:49:54,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:54,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 20:49:54,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 20:49:54,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:54,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:49:55,038 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-06-10 20:49:55,459 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 86 [2021-06-10 20:49:55,593 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-06-10 20:49:55,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:55,613 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 20:49:55,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:55,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-06-10 20:49:55,617 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 20:49:55,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:55,620 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 3, 2, 1] term [2021-06-10 20:49:55,620 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 20:49:55,623 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:55,625 INFO L147 QuantifierPusher]: treesize reduction 50, result has 50.0 percent of original size 50 [2021-06-10 20:49:55,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 20:49:55,628 INFO L142 QuantifierPusher]: treesize reduction 50, result has 68.8 percent of original size [2021-06-10 20:49:55,629 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 3, 2, 1] term [2021-06-10 20:49:55,629 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 20:49:55,630 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:55,633 INFO L147 QuantifierPusher]: treesize reduction 76, result has 39.7 percent of original size 50 [2021-06-10 20:49:55,634 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 3, 2, 3, 2, 1] term [2021-06-10 20:49:55,634 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 20:49:55,636 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:55,641 INFO L147 QuantifierPusher]: treesize reduction 141, result has 44.3 percent of original size 112 [2021-06-10 20:49:55,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:55,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:49:55,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:55,961 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 20:49:55,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:55,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 20:49:55,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 20:49:55,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:56,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:49:56,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:56,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:49:56,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:56,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:49:56,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:56,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:49:56,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:56,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:49:56,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:56,281 INFO L147 QuantifierPusher]: treesize reduction 80, result has 25.2 percent of original size 27 [2021-06-10 20:49:56,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:56,330 INFO L147 QuantifierPusher]: treesize reduction 29, result has 3.3 percent of original size 1 [2021-06-10 20:49:56,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:56,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:49:56,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:56,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:49:56,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:56,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:49:56,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:56,726 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 20:49:56,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:56,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 20:49:56,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 20:49:56,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:56,897 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 20:49:56,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:56,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 20:49:56,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 20:49:57,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:57,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 20:49:57,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:57,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 20:49:57,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:57,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 20:49:57,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 20:49:57,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 20:49:57,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:57,107 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 20:49:57,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:57,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-10 20:49:57,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-10 20:49:57,109 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 20:49:57,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:57,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-10 20:49:57,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-10 20:49:57,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:57,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 20:49:57,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:57,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 20:49:57,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 20:49:57,776 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 116 [2021-06-10 20:49:57,973 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2021-06-10 20:49:58,290 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 116 [2021-06-10 20:49:58,420 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2021-06-10 20:49:58,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:58,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 20:49:58,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:58,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 20:49:58,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 20:49:58,448 INFO L163 LiptonReduction]: Checked pairs total: 5720 [2021-06-10 20:49:58,448 INFO L165 LiptonReduction]: Total number of compositions: 88 [2021-06-10 20:49:58,451 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5803 [2021-06-10 20:49:58,463 INFO L129 PetriNetUnfolder]: 0/5 cut-off events. [2021-06-10 20:49:58,463 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-10 20:49:58,464 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 20:49:58,464 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2021-06-10 20:49:58,464 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 20:49:58,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 20:49:58,468 INFO L82 PathProgramCache]: Analyzing trace with hash 1071626, now seen corresponding path program 1 times [2021-06-10 20:49:58,474 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 20:49:58,474 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28998700] [2021-06-10 20:49:58,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 20:49:58,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 20:49:58,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:58,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 20:49:58,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 20:49:58,641 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28998700] [2021-06-10 20:49:58,642 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 20:49:58,642 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-06-10 20:49:58,642 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981363314] [2021-06-10 20:49:58,649 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-10 20:49:58,649 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 20:49:58,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-10 20:49:58,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-10 20:49:58,661 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 188 [2021-06-10 20:49:58,666 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 30 transitions, 69 flow. Second operand has 3 states, 3 states have (on average 155.66666666666666) internal successors, (467), 3 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 20:49:58,666 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 20:49:58,666 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 188 [2021-06-10 20:49:58,667 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 20:49:58,741 INFO L129 PetriNetUnfolder]: 49/147 cut-off events. [2021-06-10 20:49:58,741 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-10 20:49:58,742 INFO L84 FinitePrefix]: Finished finitePrefix Result has 243 conditions, 147 events. 49/147 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 665 event pairs, 38 based on Foata normal form. 35/165 useless extension candidates. Maximal degree in co-relation 233. Up to 65 conditions per place. [2021-06-10 20:49:58,744 INFO L132 encePairwiseOnDemand]: 183/188 looper letters, 9 selfloop transitions, 2 changer transitions 1/31 dead transitions. [2021-06-10 20:49:58,744 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 31 transitions, 93 flow [2021-06-10 20:49:58,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-10 20:49:58,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-10 20:49:58,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 481 transitions. [2021-06-10 20:49:58,763 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8528368794326241 [2021-06-10 20:49:58,763 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 481 transitions. [2021-06-10 20:49:58,764 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 481 transitions. [2021-06-10 20:49:58,767 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 20:49:58,769 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 481 transitions. [2021-06-10 20:49:58,773 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 160.33333333333334) internal successors, (481), 3 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 20:49:58,780 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 20:49:58,781 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 20:49:58,783 INFO L185 Difference]: Start difference. First operand has 39 places, 30 transitions, 69 flow. Second operand 3 states and 481 transitions. [2021-06-10 20:49:58,783 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 31 transitions, 93 flow [2021-06-10 20:49:58,785 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 31 transitions, 90 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-06-10 20:49:58,786 INFO L241 Difference]: Finished difference. Result has 36 places, 26 transitions, 62 flow [2021-06-10 20:49:58,788 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=60, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=62, PETRI_PLACES=36, PETRI_TRANSITIONS=26} [2021-06-10 20:49:58,789 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, -3 predicate places. [2021-06-10 20:49:58,789 INFO L480 AbstractCegarLoop]: Abstraction has has 36 places, 26 transitions, 62 flow [2021-06-10 20:49:58,789 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 155.66666666666666) internal successors, (467), 3 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 20:49:58,789 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 20:49:58,790 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 20:49:58,790 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-10 20:49:58,790 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 20:49:58,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 20:49:58,792 INFO L82 PathProgramCache]: Analyzing trace with hash -1727398307, now seen corresponding path program 1 times [2021-06-10 20:49:58,794 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 20:49:58,795 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910013354] [2021-06-10 20:49:58,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 20:49:58,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 20:49:58,929 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-06-10 20:49:58,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 20:49:58,941 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-06-10 20:49:58,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-06-10 20:49:58,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 20:49:58,945 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910013354] [2021-06-10 20:49:58,946 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 20:49:58,946 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-10 20:49:58,946 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591317680] [2021-06-10 20:49:58,947 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-10 20:49:58,947 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 20:49:58,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-10 20:49:58,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-10 20:49:58,948 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 188 [2021-06-10 20:49:58,949 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 26 transitions, 62 flow. Second operand has 4 states, 4 states have (on average 141.75) internal successors, (567), 4 states have internal predecessors, (567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 20:49:58,949 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 20:49:58,949 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 188 [2021-06-10 20:49:58,949 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 20:49:59,070 INFO L129 PetriNetUnfolder]: 148/354 cut-off events. [2021-06-10 20:49:59,070 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-10 20:49:59,074 INFO L84 FinitePrefix]: Finished finitePrefix Result has 624 conditions, 354 events. 148/354 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 1965 event pairs, 25 based on Foata normal form. 0/327 useless extension candidates. Maximal degree in co-relation 615. Up to 105 conditions per place. [2021-06-10 20:49:59,076 INFO L132 encePairwiseOnDemand]: 179/188 looper letters, 8 selfloop transitions, 6 changer transitions 16/46 dead transitions. [2021-06-10 20:49:59,076 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 46 transitions, 160 flow [2021-06-10 20:49:59,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-10 20:49:59,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-10 20:49:59,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 736 transitions. [2021-06-10 20:49:59,083 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7829787234042553 [2021-06-10 20:49:59,083 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 736 transitions. [2021-06-10 20:49:59,083 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 736 transitions. [2021-06-10 20:49:59,084 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 20:49:59,084 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 736 transitions. [2021-06-10 20:49:59,085 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 147.2) internal successors, (736), 5 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 20:49:59,088 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 188.0) internal successors, (1128), 6 states have internal predecessors, (1128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 20:49:59,088 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 188.0) internal successors, (1128), 6 states have internal predecessors, (1128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 20:49:59,089 INFO L185 Difference]: Start difference. First operand has 36 places, 26 transitions, 62 flow. Second operand 5 states and 736 transitions. [2021-06-10 20:49:59,089 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 46 transitions, 160 flow [2021-06-10 20:49:59,089 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 46 transitions, 156 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-10 20:49:59,090 INFO L241 Difference]: Finished difference. Result has 41 places, 29 transitions, 114 flow [2021-06-10 20:49:59,090 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=58, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=114, PETRI_PLACES=41, PETRI_TRANSITIONS=29} [2021-06-10 20:49:59,091 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 2 predicate places. [2021-06-10 20:49:59,091 INFO L480 AbstractCegarLoop]: Abstraction has has 41 places, 29 transitions, 114 flow [2021-06-10 20:49:59,092 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 141.75) internal successors, (567), 4 states have internal predecessors, (567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 20:49:59,092 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 20:49:59,092 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 20:49:59,092 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-10 20:49:59,092 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 20:49:59,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 20:49:59,092 INFO L82 PathProgramCache]: Analyzing trace with hash -2031475331, now seen corresponding path program 1 times [2021-06-10 20:49:59,093 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 20:49:59,094 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538321257] [2021-06-10 20:49:59,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 20:49:59,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 20:49:59,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:59,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 20:49:59,185 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-06-10 20:49:59,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-06-10 20:49:59,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 20:49:59,189 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538321257] [2021-06-10 20:49:59,189 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 20:49:59,189 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-10 20:49:59,189 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806665538] [2021-06-10 20:49:59,189 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-10 20:49:59,189 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 20:49:59,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-10 20:49:59,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-10 20:49:59,192 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 188 [2021-06-10 20:49:59,193 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 29 transitions, 114 flow. Second operand has 4 states, 4 states have (on average 154.75) internal successors, (619), 4 states have internal predecessors, (619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 20:49:59,193 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 20:49:59,193 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 188 [2021-06-10 20:49:59,193 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 20:49:59,235 INFO L129 PetriNetUnfolder]: 50/182 cut-off events. [2021-06-10 20:49:59,235 INFO L130 PetriNetUnfolder]: For 98/98 co-relation queries the response was YES. [2021-06-10 20:49:59,236 INFO L84 FinitePrefix]: Finished finitePrefix Result has 443 conditions, 182 events. 50/182 cut-off events. For 98/98 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 977 event pairs, 10 based on Foata normal form. 14/193 useless extension candidates. Maximal degree in co-relation 430. Up to 87 conditions per place. [2021-06-10 20:49:59,236 INFO L132 encePairwiseOnDemand]: 184/188 looper letters, 2 selfloop transitions, 3 changer transitions 3/32 dead transitions. [2021-06-10 20:49:59,236 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 32 transitions, 146 flow [2021-06-10 20:49:59,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-10 20:49:59,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-10 20:49:59,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 778 transitions. [2021-06-10 20:49:59,239 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8276595744680851 [2021-06-10 20:49:59,239 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 778 transitions. [2021-06-10 20:49:59,239 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 778 transitions. [2021-06-10 20:49:59,239 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 20:49:59,240 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 778 transitions. [2021-06-10 20:49:59,241 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 155.6) internal successors, (778), 5 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 20:49:59,243 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 188.0) internal successors, (1128), 6 states have internal predecessors, (1128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 20:49:59,243 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 188.0) internal successors, (1128), 6 states have internal predecessors, (1128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 20:49:59,243 INFO L185 Difference]: Start difference. First operand has 41 places, 29 transitions, 114 flow. Second operand 5 states and 778 transitions. [2021-06-10 20:49:59,244 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 32 transitions, 146 flow [2021-06-10 20:49:59,247 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 32 transitions, 128 flow, removed 2 selfloop flow, removed 2 redundant places. [2021-06-10 20:49:59,247 INFO L241 Difference]: Finished difference. Result has 42 places, 29 transitions, 113 flow [2021-06-10 20:49:59,248 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=113, PETRI_PLACES=42, PETRI_TRANSITIONS=29} [2021-06-10 20:49:59,248 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 3 predicate places. [2021-06-10 20:49:59,248 INFO L480 AbstractCegarLoop]: Abstraction has has 42 places, 29 transitions, 113 flow [2021-06-10 20:49:59,248 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 154.75) internal successors, (619), 4 states have internal predecessors, (619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 20:49:59,248 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 20:49:59,249 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 20:49:59,249 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-10 20:49:59,249 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 20:49:59,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 20:49:59,250 INFO L82 PathProgramCache]: Analyzing trace with hash 2122619262, now seen corresponding path program 1 times [2021-06-10 20:49:59,250 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 20:49:59,250 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964314631] [2021-06-10 20:49:59,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 20:49:59,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 20:49:59,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:59,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 20:49:59,363 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-06-10 20:49:59,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 20:49:59,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:59,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:49:59,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 20:49:59,371 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964314631] [2021-06-10 20:49:59,371 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 20:49:59,371 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-10 20:49:59,371 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380046738] [2021-06-10 20:49:59,371 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-10 20:49:59,372 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 20:49:59,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-10 20:49:59,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-10 20:49:59,373 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 188 [2021-06-10 20:49:59,374 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 29 transitions, 113 flow. Second operand has 4 states, 4 states have (on average 148.75) internal successors, (595), 4 states have internal predecessors, (595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 20:49:59,374 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 20:49:59,374 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 188 [2021-06-10 20:49:59,374 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 20:49:59,463 INFO L129 PetriNetUnfolder]: 178/421 cut-off events. [2021-06-10 20:49:59,464 INFO L130 PetriNetUnfolder]: For 94/103 co-relation queries the response was YES. [2021-06-10 20:49:59,466 INFO L84 FinitePrefix]: Finished finitePrefix Result has 922 conditions, 421 events. 178/421 cut-off events. For 94/103 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 2654 event pairs, 53 based on Foata normal form. 30/382 useless extension candidates. Maximal degree in co-relation 906. Up to 176 conditions per place. [2021-06-10 20:49:59,470 INFO L132 encePairwiseOnDemand]: 181/188 looper letters, 8 selfloop transitions, 10 changer transitions 0/40 dead transitions. [2021-06-10 20:49:59,471 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 40 transitions, 171 flow [2021-06-10 20:49:59,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-10 20:49:59,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-10 20:49:59,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 760 transitions. [2021-06-10 20:49:59,473 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8085106382978723 [2021-06-10 20:49:59,473 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 760 transitions. [2021-06-10 20:49:59,473 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 760 transitions. [2021-06-10 20:49:59,473 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 20:49:59,474 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 760 transitions. [2021-06-10 20:49:59,475 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 152.0) internal successors, (760), 5 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 20:49:59,477 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 188.0) internal successors, (1128), 6 states have internal predecessors, (1128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 20:49:59,478 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 188.0) internal successors, (1128), 6 states have internal predecessors, (1128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 20:49:59,478 INFO L185 Difference]: Start difference. First operand has 42 places, 29 transitions, 113 flow. Second operand 5 states and 760 transitions. [2021-06-10 20:49:59,478 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 40 transitions, 171 flow [2021-06-10 20:49:59,481 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 40 transitions, 159 flow, removed 3 selfloop flow, removed 5 redundant places. [2021-06-10 20:49:59,482 INFO L241 Difference]: Finished difference. Result has 42 places, 37 transitions, 170 flow [2021-06-10 20:49:59,482 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=101, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=170, PETRI_PLACES=42, PETRI_TRANSITIONS=37} [2021-06-10 20:49:59,482 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 3 predicate places. [2021-06-10 20:49:59,482 INFO L480 AbstractCegarLoop]: Abstraction has has 42 places, 37 transitions, 170 flow [2021-06-10 20:49:59,483 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 148.75) internal successors, (595), 4 states have internal predecessors, (595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 20:49:59,483 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 20:49:59,483 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 20:49:59,483 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-10 20:49:59,483 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 20:49:59,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 20:49:59,484 INFO L82 PathProgramCache]: Analyzing trace with hash 1376520066, now seen corresponding path program 1 times [2021-06-10 20:49:59,487 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 20:49:59,487 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997643609] [2021-06-10 20:49:59,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 20:49:59,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 20:49:59,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:59,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 20:49:59,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:59,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 20:49:59,605 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-06-10 20:49:59,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 20:49:59,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:59,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:49:59,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 20:49:59,615 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997643609] [2021-06-10 20:49:59,615 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 20:49:59,615 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-10 20:49:59,615 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100814329] [2021-06-10 20:49:59,615 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-10 20:49:59,615 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 20:49:59,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-10 20:49:59,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-10 20:49:59,617 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 188 [2021-06-10 20:49:59,618 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 37 transitions, 170 flow. Second operand has 5 states, 5 states have (on average 148.8) internal successors, (744), 5 states have internal predecessors, (744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 20:49:59,618 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 20:49:59,618 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 188 [2021-06-10 20:49:59,618 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 20:49:59,706 INFO L129 PetriNetUnfolder]: 118/315 cut-off events. [2021-06-10 20:49:59,706 INFO L130 PetriNetUnfolder]: For 467/962 co-relation queries the response was YES. [2021-06-10 20:49:59,708 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1075 conditions, 315 events. 118/315 cut-off events. For 467/962 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 1925 event pairs, 7 based on Foata normal form. 114/397 useless extension candidates. Maximal degree in co-relation 1059. Up to 170 conditions per place. [2021-06-10 20:49:59,709 INFO L132 encePairwiseOnDemand]: 181/188 looper letters, 5 selfloop transitions, 18 changer transitions 3/48 dead transitions. [2021-06-10 20:49:59,709 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 48 transitions, 285 flow [2021-06-10 20:49:59,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-10 20:49:59,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-06-10 20:49:59,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1064 transitions. [2021-06-10 20:49:59,712 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8085106382978723 [2021-06-10 20:49:59,712 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1064 transitions. [2021-06-10 20:49:59,712 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1064 transitions. [2021-06-10 20:49:59,712 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 20:49:59,712 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1064 transitions. [2021-06-10 20:49:59,714 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 152.0) internal successors, (1064), 7 states have internal predecessors, (1064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 20:49:59,742 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 188.0) internal successors, (1504), 8 states have internal predecessors, (1504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 20:49:59,743 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 188.0) internal successors, (1504), 8 states have internal predecessors, (1504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 20:49:59,743 INFO L185 Difference]: Start difference. First operand has 42 places, 37 transitions, 170 flow. Second operand 7 states and 1064 transitions. [2021-06-10 20:49:59,743 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 48 transitions, 285 flow [2021-06-10 20:49:59,745 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 48 transitions, 285 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-06-10 20:49:59,746 INFO L241 Difference]: Finished difference. Result has 51 places, 45 transitions, 283 flow [2021-06-10 20:49:59,746 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=170, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=283, PETRI_PLACES=51, PETRI_TRANSITIONS=45} [2021-06-10 20:49:59,746 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 12 predicate places. [2021-06-10 20:49:59,747 INFO L480 AbstractCegarLoop]: Abstraction has has 51 places, 45 transitions, 283 flow [2021-06-10 20:49:59,747 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 148.8) internal successors, (744), 5 states have internal predecessors, (744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 20:49:59,747 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 20:49:59,747 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 20:49:59,747 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-06-10 20:49:59,748 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 20:49:59,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 20:49:59,748 INFO L82 PathProgramCache]: Analyzing trace with hash 412037848, now seen corresponding path program 1 times [2021-06-10 20:49:59,751 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 20:49:59,751 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109234128] [2021-06-10 20:49:59,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 20:49:59,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 20:49:59,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:59,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 20:49:59,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:59,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 20:49:59,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:59,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 20:49:59,851 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-06-10 20:49:59,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 20:49:59,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:49:59,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:49:59,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 20:49:59,863 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109234128] [2021-06-10 20:49:59,864 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 20:49:59,864 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-10 20:49:59,864 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843348265] [2021-06-10 20:49:59,864 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-10 20:49:59,864 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 20:49:59,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-10 20:49:59,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-06-10 20:49:59,866 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 188 [2021-06-10 20:49:59,868 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 45 transitions, 283 flow. Second operand has 6 states, 6 states have (on average 148.83333333333334) internal successors, (893), 6 states have internal predecessors, (893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 20:49:59,868 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 20:49:59,868 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 188 [2021-06-10 20:49:59,868 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 20:49:59,979 INFO L129 PetriNetUnfolder]: 91/260 cut-off events. [2021-06-10 20:49:59,979 INFO L130 PetriNetUnfolder]: For 1050/1699 co-relation queries the response was YES. [2021-06-10 20:49:59,981 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1206 conditions, 260 events. 91/260 cut-off events. For 1050/1699 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 1529 event pairs, 0 based on Foata normal form. 124/353 useless extension candidates. Maximal degree in co-relation 1185. Up to 144 conditions per place. [2021-06-10 20:49:59,983 INFO L132 encePairwiseOnDemand]: 181/188 looper letters, 2 selfloop transitions, 22 changer transitions 4/50 dead transitions. [2021-06-10 20:49:59,983 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 50 transitions, 377 flow [2021-06-10 20:49:59,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-10 20:49:59,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-06-10 20:49:59,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1362 transitions. [2021-06-10 20:49:59,986 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8049645390070922 [2021-06-10 20:49:59,987 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1362 transitions. [2021-06-10 20:49:59,987 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1362 transitions. [2021-06-10 20:49:59,987 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 20:49:59,987 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1362 transitions. [2021-06-10 20:49:59,990 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 151.33333333333334) internal successors, (1362), 9 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) [2021-06-10 20:49:59,992 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 188.0) internal successors, (1880), 10 states have internal predecessors, (1880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 20:49:59,993 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 188.0) internal successors, (1880), 10 states have internal predecessors, (1880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 20:49:59,993 INFO L185 Difference]: Start difference. First operand has 51 places, 45 transitions, 283 flow. Second operand 9 states and 1362 transitions. [2021-06-10 20:49:59,993 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 50 transitions, 377 flow [2021-06-10 20:49:59,998 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 50 transitions, 326 flow, removed 15 selfloop flow, removed 4 redundant places. [2021-06-10 20:49:59,999 INFO L241 Difference]: Finished difference. Result has 58 places, 46 transitions, 302 flow [2021-06-10 20:50:00,000 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=233, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=302, PETRI_PLACES=58, PETRI_TRANSITIONS=46} [2021-06-10 20:50:00,000 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 19 predicate places. [2021-06-10 20:50:00,000 INFO L480 AbstractCegarLoop]: Abstraction has has 58 places, 46 transitions, 302 flow [2021-06-10 20:50:00,000 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 148.83333333333334) internal successors, (893), 6 states have internal predecessors, (893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 20:50:00,001 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 20:50:00,001 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] [2021-06-10 20:50:00,001 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-06-10 20:50:00,001 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 20:50:00,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 20:50:00,009 INFO L82 PathProgramCache]: Analyzing trace with hash 7105232, now seen corresponding path program 1 times [2021-06-10 20:50:00,009 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 20:50:00,009 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023376000] [2021-06-10 20:50:00,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 20:50:00,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 20:50:00,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:50:00,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:50:00,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:50:00,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 20:50:00,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:50:00,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 20:50:00,120 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-06-10 20:50:00,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 20:50:00,133 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-06-10 20:50:00,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-06-10 20:50:00,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 20:50:00,139 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023376000] [2021-06-10 20:50:00,139 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 20:50:00,139 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-10 20:50:00,140 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209403537] [2021-06-10 20:50:00,140 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-10 20:50:00,140 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 20:50:00,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-10 20:50:00,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-06-10 20:50:00,142 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 138 out of 188 [2021-06-10 20:50:00,143 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 46 transitions, 302 flow. Second operand has 6 states, 6 states have (on average 139.5) internal successors, (837), 6 states have internal predecessors, (837), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 20:50:00,143 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 20:50:00,143 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 138 of 188 [2021-06-10 20:50:00,143 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 20:50:00,269 INFO L129 PetriNetUnfolder]: 163/458 cut-off events. [2021-06-10 20:50:00,270 INFO L130 PetriNetUnfolder]: For 1348/1504 co-relation queries the response was YES. [2021-06-10 20:50:00,273 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1861 conditions, 458 events. 163/458 cut-off events. For 1348/1504 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 3342 event pairs, 0 based on Foata normal form. 5/415 useless extension candidates. Maximal degree in co-relation 1838. Up to 168 conditions per place. [2021-06-10 20:50:00,275 INFO L132 encePairwiseOnDemand]: 179/188 looper letters, 17 selfloop transitions, 11 changer transitions 1/61 dead transitions. [2021-06-10 20:50:00,275 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 61 transitions, 428 flow [2021-06-10 20:50:00,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-10 20:50:00,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-06-10 20:50:00,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 993 transitions. [2021-06-10 20:50:00,278 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7545592705167173 [2021-06-10 20:50:00,278 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 993 transitions. [2021-06-10 20:50:00,278 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 993 transitions. [2021-06-10 20:50:00,279 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 20:50:00,279 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 993 transitions. [2021-06-10 20:50:00,281 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 141.85714285714286) internal successors, (993), 7 states have internal predecessors, (993), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 20:50:00,283 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 188.0) internal successors, (1504), 8 states have internal predecessors, (1504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 20:50:00,284 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 188.0) internal successors, (1504), 8 states have internal predecessors, (1504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 20:50:00,284 INFO L185 Difference]: Start difference. First operand has 58 places, 46 transitions, 302 flow. Second operand 7 states and 993 transitions. [2021-06-10 20:50:00,284 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 61 transitions, 428 flow [2021-06-10 20:50:00,292 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 61 transitions, 346 flow, removed 21 selfloop flow, removed 9 redundant places. [2021-06-10 20:50:00,295 INFO L241 Difference]: Finished difference. Result has 58 places, 54 transitions, 310 flow [2021-06-10 20:50:00,295 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=230, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=310, PETRI_PLACES=58, PETRI_TRANSITIONS=54} [2021-06-10 20:50:00,296 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 19 predicate places. [2021-06-10 20:50:00,296 INFO L480 AbstractCegarLoop]: Abstraction has has 58 places, 54 transitions, 310 flow [2021-06-10 20:50:00,297 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 139.5) internal successors, (837), 6 states have internal predecessors, (837), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 20:50:00,298 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 20:50:00,298 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] [2021-06-10 20:50:00,298 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-06-10 20:50:00,298 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 20:50:00,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 20:50:00,298 INFO L82 PathProgramCache]: Analyzing trace with hash -1212257744, now seen corresponding path program 2 times [2021-06-10 20:50:00,298 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 20:50:00,300 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972071704] [2021-06-10 20:50:00,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 20:50:00,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 20:50:00,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:50:00,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 20:50:00,437 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size [2021-06-10 20:50:00,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 20:50:00,452 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-06-10 20:50:00,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-10 20:50:00,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:50:00,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 20:50:00,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:50:00,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 20:50:00,488 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-06-10 20:50:00,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-06-10 20:50:00,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 20:50:00,496 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972071704] [2021-06-10 20:50:00,496 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 20:50:00,496 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-10 20:50:00,496 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398436734] [2021-06-10 20:50:00,497 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-10 20:50:00,497 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 20:50:00,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-10 20:50:00,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-06-10 20:50:00,499 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 188 [2021-06-10 20:50:00,499 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 54 transitions, 310 flow. Second operand has 8 states, 8 states have (on average 124.125) internal successors, (993), 8 states have internal predecessors, (993), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 20:50:00,500 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 20:50:00,500 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 188 [2021-06-10 20:50:00,500 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 20:50:00,796 INFO L129 PetriNetUnfolder]: 530/1373 cut-off events. [2021-06-10 20:50:00,796 INFO L130 PetriNetUnfolder]: For 2453/2897 co-relation queries the response was YES. [2021-06-10 20:50:00,803 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4828 conditions, 1373 events. 530/1373 cut-off events. For 2453/2897 co-relation queries the response was YES. Maximal size of possible extension queue 294. Compared 12312 event pairs, 7 based on Foata normal form. 115/1308 useless extension candidates. Maximal degree in co-relation 4810. Up to 528 conditions per place. [2021-06-10 20:50:00,806 INFO L132 encePairwiseOnDemand]: 180/188 looper letters, 13 selfloop transitions, 8 changer transitions 14/71 dead transitions. [2021-06-10 20:50:00,806 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 71 transitions, 452 flow [2021-06-10 20:50:00,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-10 20:50:00,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-10 20:50:00,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1007 transitions. [2021-06-10 20:50:00,808 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6695478723404256 [2021-06-10 20:50:00,809 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1007 transitions. [2021-06-10 20:50:00,809 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1007 transitions. [2021-06-10 20:50:00,809 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 20:50:00,809 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1007 transitions. [2021-06-10 20:50:00,811 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 125.875) internal successors, (1007), 8 states have internal predecessors, (1007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 20:50:00,813 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 188.0) internal successors, (1692), 9 states have internal predecessors, (1692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 20:50:00,814 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 188.0) internal successors, (1692), 9 states have internal predecessors, (1692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 20:50:00,814 INFO L185 Difference]: Start difference. First operand has 58 places, 54 transitions, 310 flow. Second operand 8 states and 1007 transitions. [2021-06-10 20:50:00,814 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 71 transitions, 452 flow [2021-06-10 20:50:00,851 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 71 transitions, 450 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-06-10 20:50:00,852 INFO L241 Difference]: Finished difference. Result has 67 places, 51 transitions, 324 flow [2021-06-10 20:50:00,853 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=308, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=324, PETRI_PLACES=67, PETRI_TRANSITIONS=51} [2021-06-10 20:50:00,853 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 28 predicate places. [2021-06-10 20:50:00,853 INFO L480 AbstractCegarLoop]: Abstraction has has 67 places, 51 transitions, 324 flow [2021-06-10 20:50:00,853 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 124.125) internal successors, (993), 8 states have internal predecessors, (993), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 20:50:00,853 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 20:50:00,854 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] [2021-06-10 20:50:00,854 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-06-10 20:50:00,854 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 20:50:00,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 20:50:00,854 INFO L82 PathProgramCache]: Analyzing trace with hash 1335308864, now seen corresponding path program 3 times [2021-06-10 20:50:00,854 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 20:50:00,854 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920922799] [2021-06-10 20:50:00,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 20:50:00,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-10 20:50:00,891 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-10 20:50:00,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-10 20:50:00,951 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-10 20:50:00,980 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-10 20:50:00,980 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-06-10 20:50:00,980 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-06-10 20:50:01,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.06 08:50:01 BasicIcfg [2021-06-10 20:50:01,038 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-10 20:50:01,039 INFO L168 Benchmark]: Toolchain (without parser) took 11147.40 ms. Allocated memory was 434.1 MB in the beginning and 696.3 MB in the end (delta: 262.1 MB). Free memory was 396.0 MB in the beginning and 357.3 MB in the end (delta: 38.7 MB). Peak memory consumption was 302.8 MB. Max. memory is 16.0 GB. [2021-06-10 20:50:01,039 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 434.1 MB. Free memory is still 414.3 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-10 20:50:01,039 INFO L168 Benchmark]: CACSL2BoogieTranslator took 538.38 ms. Allocated memory is still 434.1 MB. Free memory was 395.8 MB in the beginning and 392.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.0 GB. [2021-06-10 20:50:01,040 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.93 ms. Allocated memory is still 434.1 MB. Free memory was 392.8 MB in the beginning and 390.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-10 20:50:01,040 INFO L168 Benchmark]: Boogie Preprocessor took 54.02 ms. Allocated memory is still 434.1 MB. Free memory was 390.7 MB in the beginning and 388.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-10 20:50:01,040 INFO L168 Benchmark]: RCFGBuilder took 1918.65 ms. Allocated memory is still 434.1 MB. Free memory was 388.6 MB in the beginning and 320.7 MB in the end (delta: 68.0 MB). Peak memory consumption was 137.2 MB. Max. memory is 16.0 GB. [2021-06-10 20:50:01,040 INFO L168 Benchmark]: TraceAbstraction took 8579.40 ms. Allocated memory was 434.1 MB in the beginning and 696.3 MB in the end (delta: 262.1 MB). Free memory was 319.6 MB in the beginning and 357.3 MB in the end (delta: -37.7 MB). Peak memory consumption was 225.5 MB. Max. memory is 16.0 GB. [2021-06-10 20:50:01,042 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 434.1 MB. Free memory is still 414.3 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 538.38 ms. Allocated memory is still 434.1 MB. Free memory was 395.8 MB in the beginning and 392.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 48.93 ms. Allocated memory is still 434.1 MB. Free memory was 392.8 MB in the beginning and 390.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 54.02 ms. Allocated memory is still 434.1 MB. Free memory was 390.7 MB in the beginning and 388.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1918.65 ms. Allocated memory is still 434.1 MB. Free memory was 388.6 MB in the beginning and 320.7 MB in the end (delta: 68.0 MB). Peak memory consumption was 137.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 8579.40 ms. Allocated memory was 434.1 MB in the beginning and 696.3 MB in the end (delta: 262.1 MB). Free memory was 319.6 MB in the beginning and 357.3 MB in the end (delta: -37.7 MB). Peak memory consumption was 225.5 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5779.9ms, 105 PlacesBefore, 39 PlacesAfterwards, 97 TransitionsBefore, 30 TransitionsAfterwards, 1778 CoEnabledTransitionPairs, 8 FixpointIterations, 37 TrivialSequentialCompositions, 45 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 1 ChoiceCompositions, 88 TotalNumberOfCompositions, 5720 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2308, positive: 2118, positive conditional: 0, positive unconditional: 2118, negative: 190, negative conditional: 0, negative unconditional: 190, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1313, positive: 1266, positive conditional: 0, positive unconditional: 1266, negative: 47, negative conditional: 0, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1313, positive: 1266, positive conditional: 0, positive unconditional: 1266, negative: 47, negative conditional: 0, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1313, positive: 1245, positive conditional: 0, positive unconditional: 1245, negative: 68, negative conditional: 0, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 68, positive: 21, positive conditional: 0, positive unconditional: 21, negative: 47, negative conditional: 0, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 688, positive: 41, positive conditional: 0, positive unconditional: 41, negative: 647, negative conditional: 0, negative unconditional: 647, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2308, positive: 852, positive conditional: 0, positive unconditional: 852, negative: 143, negative conditional: 0, negative unconditional: 143, unknown: 1313, unknown conditional: 0, unknown unconditional: 1313] , Statistics on independence cache: Total cache size (in pairs): 2316, Positive cache size: 2269, Positive conditional cache size: 0, Positive unconditional cache size: 2269, Negative cache size: 47, Negative conditional cache size: 0, Negative unconditional cache size: 47 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p0_EAX = 0; [L713] 0 int __unbuffered_p2_EAX = 0; [L715] 0 int __unbuffered_p2_EBX = 0; [L716] 0 _Bool main$tmp_guard0; [L717] 0 _Bool main$tmp_guard1; [L719] 0 int x = 0; [L721] 0 int y = 0; [L723] 0 int z = 0; [L724] 0 _Bool z$flush_delayed; [L725] 0 int z$mem_tmp; [L726] 0 _Bool z$r_buff0_thd0; [L727] 0 _Bool z$r_buff0_thd1; [L728] 0 _Bool z$r_buff0_thd2; [L729] 0 _Bool z$r_buff0_thd3; [L730] 0 _Bool z$r_buff1_thd0; [L731] 0 _Bool z$r_buff1_thd1; [L732] 0 _Bool z$r_buff1_thd2; [L733] 0 _Bool z$r_buff1_thd3; [L734] 0 _Bool z$read_delayed; [L735] 0 int *z$read_delayed_var; [L736] 0 int z$w_buff0; [L737] 0 _Bool z$w_buff0_used; [L738] 0 int z$w_buff1; [L739] 0 _Bool z$w_buff1_used; [L740] 0 _Bool weak$$choice0; [L741] 0 _Bool weak$$choice2; [L838] 0 pthread_t t669; [L839] FCALL, FORK 0 pthread_create(&t669, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L745] 1 z$w_buff1 = z$w_buff0 [L746] 1 z$w_buff0 = 1 [L747] 1 z$w_buff1_used = z$w_buff0_used [L748] 1 z$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L750] 1 z$r_buff1_thd0 = z$r_buff0_thd0 [L751] 1 z$r_buff1_thd1 = z$r_buff0_thd1 [L752] 1 z$r_buff1_thd2 = z$r_buff0_thd2 [L753] 1 z$r_buff1_thd3 = z$r_buff0_thd3 [L754] 1 z$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L757] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L840] 0 pthread_t t670; [L841] FCALL, FORK 0 pthread_create(&t670, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L774] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=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, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L777] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=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, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L842] 0 pthread_t t671; [L843] FCALL, FORK 0 pthread_create(&t671, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=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, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L794] 3 y = 2 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=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=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L797] 3 __unbuffered_p2_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=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=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L800] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L801] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L802] 3 z$flush_delayed = weak$$choice2 [L803] 3 z$mem_tmp = z [L804] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L804] 3 z = !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L805] EXPR 3 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L805] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0) [L805] EXPR 3 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L805] 3 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L806] EXPR 3 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L806] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1) [L806] EXPR 3 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L806] 3 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L807] EXPR 3 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L807] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used) [L807] EXPR 3 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L807] 3 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L808] EXPR 3 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L808] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L808] EXPR 3 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L808] 3 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L809] EXPR 3 weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L809] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3) [L809] EXPR 3 weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L809] 3 z$r_buff0_thd3 = weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L810] EXPR 3 weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L810] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L810] EXPR 3 weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L810] 3 z$r_buff1_thd3 = weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L811] 3 __unbuffered_p2_EBX = z [L812] EXPR 3 z$flush_delayed ? z$mem_tmp : z [L812] 3 z = z$flush_delayed ? z$mem_tmp : z [L813] 3 z$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L780] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L780] EXPR 2 z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z [L780] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L780] 2 z = z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L781] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used [L781] 2 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used [L782] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$w_buff1_used [L782] 2 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$w_buff1_used [L783] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2 [L783] 2 z$r_buff0_thd2 = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2 [L784] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$r_buff1_thd2 [L784] 2 z$r_buff1_thd2 = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$r_buff1_thd2 [L816] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L816] EXPR 3 z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z [L816] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L816] 3 z = z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L817] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L817] 3 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L818] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L818] 3 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L819] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L819] 3 z$r_buff0_thd3 = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L820] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L820] 3 z$r_buff1_thd3 = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L760] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd1 ? z$w_buff1 : z) [L760] 1 z = z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd1 ? z$w_buff1 : z) [L761] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$w_buff0_used [L761] 1 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$w_buff0_used [L762] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$w_buff1_used [L762] 1 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$w_buff1_used [L763] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$r_buff0_thd1 [L763] 1 z$r_buff0_thd1 = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$r_buff0_thd1 [L764] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$r_buff1_thd1 [L764] 1 z$r_buff1_thd1 = z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$r_buff1_thd1 [L767] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L769] 1 return 0; [L787] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L789] 2 return 0; [L823] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L825] 3 return 0; [L845] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L3] COND FALSE 0 !(!cond) [L849] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L849] EXPR 0 z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z [L849] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L849] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L850] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L850] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L851] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L851] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L852] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L852] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L853] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L853] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L856] 0 main$tmp_guard1 = !(y == 2 && __unbuffered_p0_EAX == 0 && __unbuffered_p2_EAX == 2 && __unbuffered_p2_EBX == 0) [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 99 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 1.9ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 8409.6ms, OverallIterations: 9, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 1221.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 5886.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 56 SDtfs, 51 SDslu, 63 SDs, 0 SdLazy, 232 SolverSat, 59 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 294.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 43 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 251.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=324occurred in iteration=8, InterpolantAutomatonStates: 49, 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: 37.1ms SsaConstructionTime, 325.3ms SatisfiabilityAnalysisTime, 663.0ms InterpolantComputationTime, 139 NumberOfCodeBlocks, 139 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 108 ConstructedInterpolants, 0 QuantifiedInterpolants, 702 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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...