/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-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix020_rmo.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 18:29:00,269 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 18:29:00,274 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 18:29:00,327 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 18:29:00,328 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 18:29:00,332 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 18:29:00,336 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 18:29:00,343 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 18:29:00,346 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 18:29:00,354 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 18:29:00,355 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 18:29:00,357 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 18:29:00,357 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 18:29:00,361 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 18:29:00,363 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 18:29:00,365 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 18:29:00,369 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 18:29:00,371 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 18:29:00,379 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 18:29:00,382 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 18:29:00,385 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 18:29:00,387 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 18:29:00,388 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 18:29:00,391 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 18:29:00,401 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-28 18:29:00,408 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-28 18:29:00,411 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-28 18:29:00,413 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-28 18:29:00,413 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-28 18:29:00,415 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-28 18:29:00,415 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-28 18:29:00,416 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-28 18:29:00,416 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-28 18:29:00,417 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 18:29:00,417 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 18:29:00,418 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 18:29:00,419 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-RepeatedSemanticLbeWithPredicates.epf [2021-04-28 18:29:00,473 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 18:29:00,473 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 18:29:00,478 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 18:29:00,478 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 18:29:00,478 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 18:29:00,479 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 18:29:00,479 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 18:29:00,479 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 18:29:00,479 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 18:29:00,480 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 18:29:00,481 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 18:29:00,481 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 18:29:00,482 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 18:29:00,482 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 18:29:00,482 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 18:29:00,482 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 18:29:00,482 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 18:29:00,483 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 18:29:00,483 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 18:29:00,483 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 18:29:00,484 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 18:29:00,484 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 18:29:00,484 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 18:29:00,484 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 18:29:00,485 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 18:29:00,485 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 18:29:00,485 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 18:29:00,485 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 18:29:00,485 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 18:29:00,486 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 18:29:00,486 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 18:29:00,891 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 18:29:00,920 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 18:29:00,924 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 18:29:00,925 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 18:29:00,926 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 18:29:00,927 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix020_rmo.oepc.i [2021-04-28 18:29:01,009 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f71af803/032a3ccb7cca48d69d369d5dd48530cb/FLAG1dc475b70 [2021-04-28 18:29:01,861 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 18:29:01,862 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix020_rmo.oepc.i [2021-04-28 18:29:01,884 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f71af803/032a3ccb7cca48d69d369d5dd48530cb/FLAG1dc475b70 [2021-04-28 18:29:02,068 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f71af803/032a3ccb7cca48d69d369d5dd48530cb [2021-04-28 18:29:02,074 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 18:29:02,112 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 18:29:02,114 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 18:29:02,114 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 18:29:02,118 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 18:29:02,119 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 06:29:02" (1/1) ... [2021-04-28 18:29:02,120 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d820214 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:29:02, skipping insertion in model container [2021-04-28 18:29:02,121 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 06:29:02" (1/1) ... [2021-04-28 18:29:02,129 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 18:29:02,182 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 18:29:02,346 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/mix020_rmo.oepc.i[949,962] [2021-04-28 18:29:02,695 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 18:29:02,709 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 18:29:02,723 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/mix020_rmo.oepc.i[949,962] [2021-04-28 18:29:02,788 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 18:29:02,913 INFO L208 MainTranslator]: Completed translation [2021-04-28 18:29:02,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:29:02 WrapperNode [2021-04-28 18:29:02,916 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 18:29:02,917 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 18:29:02,918 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 18:29:02,918 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 18:29:02,926 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:29:02" (1/1) ... [2021-04-28 18:29:02,948 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:29:02" (1/1) ... [2021-04-28 18:29:02,978 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 18:29:02,979 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 18:29:02,979 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 18:29:02,979 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 18:29:02,991 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:29:02" (1/1) ... [2021-04-28 18:29:02,991 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:29:02" (1/1) ... [2021-04-28 18:29:02,997 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:29:02" (1/1) ... [2021-04-28 18:29:02,997 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:29:02" (1/1) ... [2021-04-28 18:29:03,013 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:29:02" (1/1) ... [2021-04-28 18:29:03,019 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:29:02" (1/1) ... [2021-04-28 18:29:03,023 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:29:02" (1/1) ... [2021-04-28 18:29:03,030 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 18:29:03,031 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 18:29:03,031 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 18:29:03,031 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 18:29:03,032 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:29:02" (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 [2021-04-28 18:29:03,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 18:29:03,141 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 18:29:03,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 18:29:03,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 18:29:03,143 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 18:29:03,143 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 18:29:03,144 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 18:29:03,144 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 18:29:03,144 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-28 18:29:03,144 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-28 18:29:03,145 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-04-28 18:29:03,145 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-04-28 18:29:03,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 18:29:03,145 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 18:29:03,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 18:29:03,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 18:29:03,148 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-28 18:29:05,740 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 18:29:05,741 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 18:29:05,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 06:29:05 BoogieIcfgContainer [2021-04-28 18:29:05,745 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 18:29:05,747 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 18:29:05,747 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 18:29:05,751 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 18:29:05,751 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 06:29:02" (1/3) ... [2021-04-28 18:29:05,752 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@563c5d85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 06:29:05, skipping insertion in model container [2021-04-28 18:29:05,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:29:02" (2/3) ... [2021-04-28 18:29:05,752 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@563c5d85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 06:29:05, skipping insertion in model container [2021-04-28 18:29:05,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 06:29:05" (3/3) ... [2021-04-28 18:29:05,757 INFO L111 eAbstractionObserver]: Analyzing ICFG mix020_rmo.oepc.i [2021-04-28 18:29:05,765 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 18:29:05,771 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 18:29:05,772 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 18:29:05,829 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,830 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,830 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,830 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,830 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,830 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,830 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,831 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,831 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,831 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,831 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,831 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,832 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,832 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,832 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,832 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,833 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,833 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,833 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,833 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,833 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,834 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,835 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,835 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,835 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,836 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,836 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,836 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,836 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,836 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,837 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,838 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,838 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,838 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,840 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,840 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,840 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,840 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,840 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,840 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,841 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,841 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,842 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,842 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,842 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,842 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,842 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,842 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,843 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,843 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,843 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,843 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,844 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,844 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,844 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,844 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,846 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,846 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,846 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,846 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,847 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,847 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,847 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,847 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,848 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,848 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,848 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,848 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,849 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,849 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,849 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,849 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,850 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,850 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,851 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,851 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,851 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,852 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,852 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,852 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,852 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,852 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,853 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,854 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,854 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,854 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,854 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,854 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,855 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,855 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,855 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,855 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,855 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,856 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,856 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,857 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,858 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,861 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,862 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,862 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,862 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,867 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,867 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,868 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,868 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,868 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,870 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,870 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,870 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,870 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,871 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,871 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,871 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,871 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,871 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,871 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,871 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,871 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,872 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,872 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,872 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,872 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,872 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,872 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,872 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,873 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,873 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,873 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,873 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,873 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,873 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,873 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,877 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,878 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,878 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,878 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,878 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,878 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,878 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,879 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,879 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,879 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,879 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,879 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,879 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,879 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,879 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,880 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,880 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,880 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,880 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,880 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,880 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,880 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,881 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,881 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,881 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,881 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,881 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,881 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,881 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,881 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,882 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,882 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,882 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,882 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,882 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,882 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,882 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,883 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,885 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,885 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,886 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,886 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,886 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,886 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,886 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,887 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,887 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,887 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,887 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,887 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,887 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,888 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,888 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,888 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,888 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,889 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,891 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,892 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,892 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,892 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,892 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,892 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,892 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,893 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,893 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,893 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,893 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,893 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,896 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,896 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,896 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,896 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,896 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,897 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,897 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,897 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,897 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,897 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,899 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,899 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,899 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,899 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,900 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,900 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,900 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,900 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,900 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,900 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,902 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,902 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,902 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,904 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,908 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,908 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,908 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,908 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,909 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,911 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,912 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,912 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,912 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,912 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,912 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,912 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,913 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,913 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,913 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,913 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,913 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,913 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,914 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,922 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,922 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,922 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,922 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,922 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,923 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,923 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,923 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,923 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,923 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:29:05,925 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 18:29:05,949 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-04-28 18:29:05,991 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 18:29:05,992 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 18:29:05,992 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 18:29:05,992 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 18:29:05,992 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 18:29:05,992 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 18:29:05,992 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 18:29:05,992 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 18:29:06,011 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 129 places, 118 transitions, 256 flow [2021-04-28 18:29:06,086 INFO L129 PetriNetUnfolder]: 2/114 cut-off events. [2021-04-28 18:29:06,086 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:29:06,105 INFO L84 FinitePrefix]: Finished finitePrefix Result has 127 conditions, 114 events. 2/114 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 87 event pairs, 0 based on Foata normal form. 0/110 useless extension candidates. Maximal degree in co-relation 77. Up to 2 conditions per place. [2021-04-28 18:29:06,105 INFO L82 GeneralOperation]: Start removeDead. Operand has 129 places, 118 transitions, 256 flow [2021-04-28 18:29:06,111 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 125 places, 114 transitions, 240 flow [2021-04-28 18:29:06,113 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:29:06,129 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 125 places, 114 transitions, 240 flow [2021-04-28 18:29:06,133 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 125 places, 114 transitions, 240 flow [2021-04-28 18:29:06,136 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 125 places, 114 transitions, 240 flow [2021-04-28 18:29:06,162 INFO L129 PetriNetUnfolder]: 2/114 cut-off events. [2021-04-28 18:29:06,162 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:29:06,163 INFO L84 FinitePrefix]: Finished finitePrefix Result has 127 conditions, 114 events. 2/114 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 88 event pairs, 0 based on Foata normal form. 0/110 useless extension candidates. Maximal degree in co-relation 77. Up to 2 conditions per place. [2021-04-28 18:29:06,170 INFO L146 LiptonReduction]: Number of co-enabled transitions 2774 [2021-04-28 18:29:09,904 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 18:29:10,023 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 18:29:10,621 WARN L205 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 88 [2021-04-28 18:29:10,860 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 18:29:12,195 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2021-04-28 18:29:19,575 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 18:29:19,679 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 18:29:20,435 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 18:29:28,291 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 18:29:28,412 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 18:29:28,532 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 18:29:28,648 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 18:29:28,760 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 18:29:28,869 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 18:29:28,979 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 18:29:29,086 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 18:29:29,197 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 18:29:29,304 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 18:29:29,415 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 18:29:29,528 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 18:29:30,736 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-28 18:29:30,863 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-28 18:29:30,985 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-28 18:29:31,103 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-28 18:29:35,073 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 18:29:35,961 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:29:36,063 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:29:36,165 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:29:36,269 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:29:36,661 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 18:29:36,788 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 18:29:36,916 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 18:29:37,046 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 18:29:37,479 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 18:29:37,604 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 18:29:37,726 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 18:29:37,881 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 18:29:38,366 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 18:29:38,473 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 18:29:38,581 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 18:29:38,683 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 18:29:38,830 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 18:29:38,946 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 18:29:39,090 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 18:29:39,234 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 18:29:39,338 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:29:39,540 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:29:39,641 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:29:39,747 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:29:39,848 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:29:39,950 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:29:40,052 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:29:40,401 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:29:40,534 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:29:40,646 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:29:40,761 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:29:41,146 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-28 18:29:41,318 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-28 18:29:41,490 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-28 18:29:41,646 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-28 18:29:42,167 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:29:42,304 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:29:42,440 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:29:42,569 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:29:42,773 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:29:42,978 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:29:43,187 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:29:43,392 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:29:43,592 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 18:29:43,796 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 18:29:44,004 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 18:29:44,199 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 18:29:44,372 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:29:44,547 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:29:44,720 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:29:44,892 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:29:45,055 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 18:29:45,216 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 18:29:45,382 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 18:29:45,541 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 18:29:45,696 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:29:45,852 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:29:46,006 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:29:46,158 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:29:46,651 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 18:29:46,829 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 18:29:47,005 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 18:29:47,188 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 18:29:47,377 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:29:47,574 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:29:47,760 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:29:47,952 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:29:48,123 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 18:29:48,294 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 18:29:48,467 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 18:29:48,638 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 18:29:48,793 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:29:48,946 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:29:49,101 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:29:49,255 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:29:49,430 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:29:49,610 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:29:49,782 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:29:49,961 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:29:50,170 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 18:29:50,379 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 18:29:50,579 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 18:29:50,778 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 18:29:50,939 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 18:29:51,089 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 18:29:51,237 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 18:29:51,382 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 18:29:51,595 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:29:51,810 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:29:52,021 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:29:52,238 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:29:52,398 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:29:52,556 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:29:52,714 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:29:52,871 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:29:53,031 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:29:53,186 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:29:53,350 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:29:53,508 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:29:53,694 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:29:53,854 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:29:54,019 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:29:54,180 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:29:54,738 WARN L205 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 119 [2021-04-28 18:29:54,986 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2021-04-28 18:29:55,522 WARN L205 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 119 [2021-04-28 18:29:55,766 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2021-04-28 18:29:55,982 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:29:56,194 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:29:56,406 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:29:56,617 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:29:56,836 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:29:57,049 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:29:57,268 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:29:57,483 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:29:57,701 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:29:57,931 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:29:58,148 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:29:58,372 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:29:58,919 WARN L205 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 124 [2021-04-28 18:29:59,182 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-04-28 18:29:59,740 WARN L205 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 124 [2021-04-28 18:29:59,993 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-04-28 18:30:00,210 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:30:00,421 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:30:00,642 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:30:00,865 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:30:01,320 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:30:01,469 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:30:01,612 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:30:01,749 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:30:01,797 INFO L158 LiptonReduction]: Checked pairs total: 30621 [2021-04-28 18:30:01,798 INFO L160 LiptonReduction]: Total number of compositions: 309 [2021-04-28 18:30:01,804 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 55692 [2021-04-28 18:30:01,834 INFO L129 PetriNetUnfolder]: 0/67 cut-off events. [2021-04-28 18:30:01,835 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:30:01,835 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:30:01,836 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2021-04-28 18:30:01,836 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:30:01,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:30:01,843 INFO L82 PathProgramCache]: Analyzing trace with hash 1417001, now seen corresponding path program 1 times [2021-04-28 18:30:01,853 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:30:01,853 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307406059] [2021-04-28 18:30:01,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:30:01,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:30:02,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:30:02,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:30:02,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:30:02,092 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307406059] [2021-04-28 18:30:02,093 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:30:02,093 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 18:30:02,093 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552615946] [2021-04-28 18:30:02,103 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 18:30:02,103 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:30:02,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 18:30:02,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 18:30:02,123 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 320 out of 427 [2021-04-28 18:30:02,129 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 146 transitions, 304 flow. Second operand has 3 states, 3 states have (on average 320.6666666666667) internal successors, (962), 3 states have internal predecessors, (962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:30:02,129 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:30:02,129 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 320 of 427 [2021-04-28 18:30:02,131 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:30:02,405 INFO L129 PetriNetUnfolder]: 133/827 cut-off events. [2021-04-28 18:30:02,405 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:30:02,412 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1065 conditions, 827 events. 133/827 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 140. Compared 7347 event pairs, 110 based on Foata normal form. 69/345 useless extension candidates. Maximal degree in co-relation 973. Up to 153 conditions per place. [2021-04-28 18:30:02,418 INFO L132 encePairwiseOnDemand]: 402/427 looper letters, 11 selfloop transitions, 2 changer transitions 64/147 dead transitions. [2021-04-28 18:30:02,419 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 147 transitions, 370 flow [2021-04-28 18:30:02,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 18:30:02,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 18:30:02,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 999 transitions. [2021-04-28 18:30:02,441 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7798594847775175 [2021-04-28 18:30:02,442 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 999 transitions. [2021-04-28 18:30:02,442 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 999 transitions. [2021-04-28 18:30:02,446 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:30:02,449 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 999 transitions. [2021-04-28 18:30:02,458 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 333.0) internal successors, (999), 3 states have internal predecessors, (999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:30:02,469 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 427.0) internal successors, (1708), 4 states have internal predecessors, (1708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:30:02,471 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 427.0) internal successors, (1708), 4 states have internal predecessors, (1708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:30:02,473 INFO L185 Difference]: Start difference. First operand has 158 places, 146 transitions, 304 flow. Second operand 3 states and 999 transitions. [2021-04-28 18:30:02,474 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 147 transitions, 370 flow [2021-04-28 18:30:02,479 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 147 transitions, 366 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-04-28 18:30:02,482 INFO L241 Difference]: Finished difference. Result has 153 places, 78 transitions, 168 flow [2021-04-28 18:30:02,485 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=427, PETRI_DIFFERENCE_MINUEND_FLOW=292, PETRI_DIFFERENCE_MINUEND_PLACES=151, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=142, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=140, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=168, PETRI_PLACES=153, PETRI_TRANSITIONS=78} [2021-04-28 18:30:02,486 INFO L343 CegarLoopForPetriNet]: 158 programPoint places, -5 predicate places. [2021-04-28 18:30:02,486 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:30:02,486 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 153 places, 78 transitions, 168 flow [2021-04-28 18:30:02,487 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 153 places, 78 transitions, 168 flow [2021-04-28 18:30:02,487 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 89 places, 78 transitions, 168 flow [2021-04-28 18:30:02,499 INFO L129 PetriNetUnfolder]: 0/78 cut-off events. [2021-04-28 18:30:02,499 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:30:02,499 INFO L84 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 78 events. 0/78 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 378 event pairs, 0 based on Foata normal form. 0/29 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-28 18:30:02,502 INFO L146 LiptonReduction]: Number of co-enabled transitions 3084 [2021-04-28 18:30:02,672 INFO L158 LiptonReduction]: Checked pairs total: 4114 [2021-04-28 18:30:02,672 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:30:02,672 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 186 [2021-04-28 18:30:02,675 INFO L480 AbstractCegarLoop]: Abstraction has has 89 places, 78 transitions, 168 flow [2021-04-28 18:30:02,676 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 320.6666666666667) internal successors, (962), 3 states have internal predecessors, (962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:30:02,676 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:30:02,676 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:30:02,676 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 18:30:02,676 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:30:02,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:30:02,677 INFO L82 PathProgramCache]: Analyzing trace with hash 1532856330, now seen corresponding path program 1 times [2021-04-28 18:30:02,677 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:30:02,677 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459522199] [2021-04-28 18:30:02,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:30:02,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:30:02,823 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 18:30:02,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 18:30:02,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:30:02,836 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459522199] [2021-04-28 18:30:02,836 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:30:02,836 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 18:30:02,836 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032392511] [2021-04-28 18:30:02,837 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 18:30:02,837 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:30:02,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 18:30:02,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 18:30:02,841 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 243 out of 427 [2021-04-28 18:30:02,842 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 78 transitions, 168 flow. Second operand has 3 states, 3 states have (on average 243.66666666666666) internal successors, (731), 3 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:30:02,842 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:30:02,843 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 243 of 427 [2021-04-28 18:30:02,843 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:30:04,350 INFO L129 PetriNetUnfolder]: 3314/8568 cut-off events. [2021-04-28 18:30:04,351 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:30:04,398 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13524 conditions, 8568 events. 3314/8568 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1248. Compared 100726 event pairs, 1090 based on Foata normal form. 0/5466 useless extension candidates. Maximal degree in co-relation 13515. Up to 3411 conditions per place. [2021-04-28 18:30:04,411 INFO L132 encePairwiseOnDemand]: 405/427 looper letters, 7 selfloop transitions, 7 changer transitions 50/107 dead transitions. [2021-04-28 18:30:04,411 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 107 transitions, 350 flow [2021-04-28 18:30:04,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 18:30:04,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 18:30:04,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 788 transitions. [2021-04-28 18:30:04,415 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.615144418423107 [2021-04-28 18:30:04,415 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 788 transitions. [2021-04-28 18:30:04,415 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 788 transitions. [2021-04-28 18:30:04,416 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:30:04,416 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 788 transitions. [2021-04-28 18:30:04,419 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 262.6666666666667) internal successors, (788), 3 states have internal predecessors, (788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:30:04,422 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 427.0) internal successors, (1708), 4 states have internal predecessors, (1708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:30:04,424 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 427.0) internal successors, (1708), 4 states have internal predecessors, (1708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:30:04,424 INFO L185 Difference]: Start difference. First operand has 89 places, 78 transitions, 168 flow. Second operand 3 states and 788 transitions. [2021-04-28 18:30:04,424 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 107 transitions, 350 flow [2021-04-28 18:30:04,426 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 107 transitions, 346 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 18:30:04,428 INFO L241 Difference]: Finished difference. Result has 91 places, 57 transitions, 164 flow [2021-04-28 18:30:04,428 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=427, PETRI_DIFFERENCE_MINUEND_FLOW=164, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=164, PETRI_PLACES=91, PETRI_TRANSITIONS=57} [2021-04-28 18:30:04,429 INFO L343 CegarLoopForPetriNet]: 158 programPoint places, -67 predicate places. [2021-04-28 18:30:04,429 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:30:04,429 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 91 places, 57 transitions, 164 flow [2021-04-28 18:30:04,429 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 91 places, 57 transitions, 164 flow [2021-04-28 18:30:04,430 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 64 places, 57 transitions, 164 flow [2021-04-28 18:30:04,516 INFO L129 PetriNetUnfolder]: 152/615 cut-off events. [2021-04-28 18:30:04,516 INFO L130 PetriNetUnfolder]: For 39/42 co-relation queries the response was YES. [2021-04-28 18:30:04,520 INFO L84 FinitePrefix]: Finished finitePrefix Result has 983 conditions, 615 events. 152/615 cut-off events. For 39/42 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 4846 event pairs, 64 based on Foata normal form. 0/424 useless extension candidates. Maximal degree in co-relation 974. Up to 221 conditions per place. [2021-04-28 18:30:04,534 INFO L146 LiptonReduction]: Number of co-enabled transitions 1884 [2021-04-28 18:30:04,789 INFO L158 LiptonReduction]: Checked pairs total: 1367 [2021-04-28 18:30:04,789 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:30:04,789 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 360 [2021-04-28 18:30:04,791 INFO L480 AbstractCegarLoop]: Abstraction has has 64 places, 57 transitions, 164 flow [2021-04-28 18:30:04,792 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 243.66666666666666) internal successors, (731), 3 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:30:04,792 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:30:04,792 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:30:04,793 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 18:30:04,793 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:30:04,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:30:04,793 INFO L82 PathProgramCache]: Analyzing trace with hash -1426208114, now seen corresponding path program 1 times [2021-04-28 18:30:04,793 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:30:04,794 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011872617] [2021-04-28 18:30:04,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:30:04,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:30:04,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:30:04,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:30:04,875 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 18:30:04,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 18:30:04,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:30:04,886 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011872617] [2021-04-28 18:30:04,886 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:30:04,886 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 18:30:04,887 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854475447] [2021-04-28 18:30:04,887 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 18:30:04,887 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:30:04,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 18:30:04,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 18:30:04,890 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 243 out of 427 [2021-04-28 18:30:04,892 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 57 transitions, 164 flow. Second operand has 4 states, 4 states have (on average 243.75) internal successors, (975), 4 states have internal predecessors, (975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:30:04,892 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:30:04,892 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 243 of 427 [2021-04-28 18:30:04,892 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:30:04,999 INFO L129 PetriNetUnfolder]: 122/430 cut-off events. [2021-04-28 18:30:05,000 INFO L130 PetriNetUnfolder]: For 68/291 co-relation queries the response was YES. [2021-04-28 18:30:05,002 INFO L84 FinitePrefix]: Finished finitePrefix Result has 950 conditions, 430 events. 122/430 cut-off events. For 68/291 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 2764 event pairs, 12 based on Foata normal form. 3/314 useless extension candidates. Maximal degree in co-relation 939. Up to 181 conditions per place. [2021-04-28 18:30:05,006 INFO L132 encePairwiseOnDemand]: 419/427 looper letters, 13 selfloop transitions, 8 changer transitions 0/64 dead transitions. [2021-04-28 18:30:05,006 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 64 transitions, 242 flow [2021-04-28 18:30:05,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 18:30:05,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 18:30:05,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 989 transitions. [2021-04-28 18:30:05,010 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5790398126463701 [2021-04-28 18:30:05,011 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 989 transitions. [2021-04-28 18:30:05,011 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 989 transitions. [2021-04-28 18:30:05,012 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:30:05,012 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 989 transitions. [2021-04-28 18:30:05,015 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 247.25) internal successors, (989), 4 states have internal predecessors, (989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:30:05,019 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 427.0) internal successors, (2135), 5 states have internal predecessors, (2135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:30:05,021 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 427.0) internal successors, (2135), 5 states have internal predecessors, (2135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:30:05,022 INFO L185 Difference]: Start difference. First operand has 64 places, 57 transitions, 164 flow. Second operand 4 states and 989 transitions. [2021-04-28 18:30:05,022 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 64 transitions, 242 flow [2021-04-28 18:30:05,024 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 64 transitions, 220 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 18:30:05,026 INFO L241 Difference]: Finished difference. Result has 68 places, 61 transitions, 208 flow [2021-04-28 18:30:05,026 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=427, PETRI_DIFFERENCE_MINUEND_FLOW=150, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=208, PETRI_PLACES=68, PETRI_TRANSITIONS=61} [2021-04-28 18:30:05,027 INFO L343 CegarLoopForPetriNet]: 158 programPoint places, -90 predicate places. [2021-04-28 18:30:05,027 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:30:05,027 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 68 places, 61 transitions, 208 flow [2021-04-28 18:30:05,027 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 68 places, 61 transitions, 208 flow [2021-04-28 18:30:05,028 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 68 places, 61 transitions, 208 flow [2021-04-28 18:30:05,101 INFO L129 PetriNetUnfolder]: 122/510 cut-off events. [2021-04-28 18:30:05,102 INFO L130 PetriNetUnfolder]: For 157/171 co-relation queries the response was YES. [2021-04-28 18:30:05,105 INFO L84 FinitePrefix]: Finished finitePrefix Result has 936 conditions, 510 events. 122/510 cut-off events. For 157/171 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 3771 event pairs, 58 based on Foata normal form. 0/355 useless extension candidates. Maximal degree in co-relation 924. Up to 181 conditions per place. [2021-04-28 18:30:05,118 INFO L146 LiptonReduction]: Number of co-enabled transitions 2048 [2021-04-28 18:30:05,251 INFO L158 LiptonReduction]: Checked pairs total: 1524 [2021-04-28 18:30:05,252 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:30:05,252 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 225 [2021-04-28 18:30:05,254 INFO L480 AbstractCegarLoop]: Abstraction has has 68 places, 61 transitions, 208 flow [2021-04-28 18:30:05,255 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 243.75) internal successors, (975), 4 states have internal predecessors, (975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:30:05,255 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:30:05,255 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:30:05,256 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 18:30:05,256 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:30:05,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:30:05,256 INFO L82 PathProgramCache]: Analyzing trace with hash -125971017, now seen corresponding path program 1 times [2021-04-28 18:30:05,256 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:30:05,257 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162631245] [2021-04-28 18:30:05,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:30:05,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:30:05,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:30:05,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:30:05,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:30:05,318 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162631245] [2021-04-28 18:30:05,318 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:30:05,318 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 18:30:05,319 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397280034] [2021-04-28 18:30:05,319 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 18:30:05,319 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:30:05,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 18:30:05,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 18:30:05,322 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 327 out of 427 [2021-04-28 18:30:05,323 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 61 transitions, 208 flow. Second operand has 3 states, 3 states have (on average 327.6666666666667) internal successors, (983), 3 states have internal predecessors, (983), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:30:05,324 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:30:05,324 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 327 of 427 [2021-04-28 18:30:05,324 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:30:05,397 INFO L129 PetriNetUnfolder]: 106/406 cut-off events. [2021-04-28 18:30:05,398 INFO L130 PetriNetUnfolder]: For 252/348 co-relation queries the response was YES. [2021-04-28 18:30:05,400 INFO L84 FinitePrefix]: Finished finitePrefix Result has 849 conditions, 406 events. 106/406 cut-off events. For 252/348 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 2683 event pairs, 32 based on Foata normal form. 6/294 useless extension candidates. Maximal degree in co-relation 835. Up to 161 conditions per place. [2021-04-28 18:30:05,404 INFO L132 encePairwiseOnDemand]: 423/427 looper letters, 6 selfloop transitions, 6 changer transitions 0/65 dead transitions. [2021-04-28 18:30:05,404 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 65 transitions, 256 flow [2021-04-28 18:30:05,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 18:30:05,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 18:30:05,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 988 transitions. [2021-04-28 18:30:05,408 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7712724434035909 [2021-04-28 18:30:05,408 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 988 transitions. [2021-04-28 18:30:05,408 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 988 transitions. [2021-04-28 18:30:05,409 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:30:05,409 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 988 transitions. [2021-04-28 18:30:05,412 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 329.3333333333333) internal successors, (988), 3 states have internal predecessors, (988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:30:05,415 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 427.0) internal successors, (1708), 4 states have internal predecessors, (1708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:30:05,417 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 427.0) internal successors, (1708), 4 states have internal predecessors, (1708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:30:05,417 INFO L185 Difference]: Start difference. First operand has 68 places, 61 transitions, 208 flow. Second operand 3 states and 988 transitions. [2021-04-28 18:30:05,418 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 65 transitions, 256 flow [2021-04-28 18:30:05,420 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 65 transitions, 253 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 18:30:05,422 INFO L241 Difference]: Finished difference. Result has 70 places, 65 transitions, 257 flow [2021-04-28 18:30:05,423 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=427, PETRI_DIFFERENCE_MINUEND_FLOW=205, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=257, PETRI_PLACES=70, PETRI_TRANSITIONS=65} [2021-04-28 18:30:05,423 INFO L343 CegarLoopForPetriNet]: 158 programPoint places, -88 predicate places. [2021-04-28 18:30:05,423 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:30:05,423 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 70 places, 65 transitions, 257 flow [2021-04-28 18:30:05,423 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 70 places, 65 transitions, 257 flow [2021-04-28 18:30:05,424 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 70 places, 65 transitions, 257 flow [2021-04-28 18:30:05,532 INFO L129 PetriNetUnfolder]: 106/470 cut-off events. [2021-04-28 18:30:05,532 INFO L130 PetriNetUnfolder]: For 218/261 co-relation queries the response was YES. [2021-04-28 18:30:05,535 INFO L84 FinitePrefix]: Finished finitePrefix Result has 921 conditions, 470 events. 106/470 cut-off events. For 218/261 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 3469 event pairs, 39 based on Foata normal form. 1/324 useless extension candidates. Maximal degree in co-relation 907. Up to 161 conditions per place. [2021-04-28 18:30:05,548 INFO L146 LiptonReduction]: Number of co-enabled transitions 2224 [2021-04-28 18:30:05,558 INFO L158 LiptonReduction]: Checked pairs total: 1667 [2021-04-28 18:30:05,559 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:30:05,559 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 136 [2021-04-28 18:30:05,563 INFO L480 AbstractCegarLoop]: Abstraction has has 70 places, 65 transitions, 257 flow [2021-04-28 18:30:05,564 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 327.6666666666667) internal successors, (983), 3 states have internal predecessors, (983), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:30:05,564 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:30:05,565 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:30:05,565 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 18:30:05,565 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:30:05,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:30:05,565 INFO L82 PathProgramCache]: Analyzing trace with hash 388732411, now seen corresponding path program 1 times [2021-04-28 18:30:05,566 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:30:05,566 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186325901] [2021-04-28 18:30:05,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:30:05,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:30:05,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:30:05,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:30:05,656 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 18:30:05,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 18:30:05,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:30:05,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:30:05,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:30:05,673 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186325901] [2021-04-28 18:30:05,673 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:30:05,673 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 18:30:05,673 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779071274] [2021-04-28 18:30:05,673 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 18:30:05,674 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:30:05,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 18:30:05,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 18:30:05,676 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 328 out of 427 [2021-04-28 18:30:05,678 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 65 transitions, 257 flow. Second operand has 4 states, 4 states have (on average 328.75) internal successors, (1315), 4 states have internal predecessors, (1315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:30:05,679 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:30:05,679 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 328 of 427 [2021-04-28 18:30:05,679 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:30:13,601 INFO L129 PetriNetUnfolder]: 43220/64296 cut-off events. [2021-04-28 18:30:13,601 INFO L130 PetriNetUnfolder]: For 2474/3075 co-relation queries the response was YES. [2021-04-28 18:30:13,927 INFO L84 FinitePrefix]: Finished finitePrefix Result has 130272 conditions, 64296 events. 43220/64296 cut-off events. For 2474/3075 co-relation queries the response was YES. Maximal size of possible extension queue 10344. Compared 598639 event pairs, 22923 based on Foata normal form. 1172/19626 useless extension candidates. Maximal degree in co-relation 130256. Up to 40723 conditions per place. [2021-04-28 18:30:14,249 INFO L132 encePairwiseOnDemand]: 407/427 looper letters, 34 selfloop transitions, 33 changer transitions 0/109 dead transitions. [2021-04-28 18:30:14,387 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 109 transitions, 479 flow [2021-04-28 18:30:14,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 18:30:14,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 18:30:14,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1706 transitions. [2021-04-28 18:30:14,399 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7990632318501171 [2021-04-28 18:30:14,401 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1706 transitions. [2021-04-28 18:30:14,401 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1706 transitions. [2021-04-28 18:30:14,403 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:30:14,403 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1706 transitions. [2021-04-28 18:30:14,410 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 341.2) internal successors, (1706), 5 states have internal predecessors, (1706), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:30:14,415 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 427.0) internal successors, (2562), 6 states have internal predecessors, (2562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:30:14,418 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 427.0) internal successors, (2562), 6 states have internal predecessors, (2562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:30:14,418 INFO L185 Difference]: Start difference. First operand has 70 places, 65 transitions, 257 flow. Second operand 5 states and 1706 transitions. [2021-04-28 18:30:14,418 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 109 transitions, 479 flow [2021-04-28 18:30:14,429 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 109 transitions, 473 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 18:30:14,433 INFO L241 Difference]: Finished difference. Result has 76 places, 96 transitions, 497 flow [2021-04-28 18:30:14,433 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=427, PETRI_DIFFERENCE_MINUEND_FLOW=251, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=497, PETRI_PLACES=76, PETRI_TRANSITIONS=96} [2021-04-28 18:30:14,433 INFO L343 CegarLoopForPetriNet]: 158 programPoint places, -82 predicate places. [2021-04-28 18:30:14,434 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:30:14,434 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 76 places, 96 transitions, 497 flow [2021-04-28 18:30:14,434 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 76 places, 96 transitions, 497 flow [2021-04-28 18:30:14,435 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 76 places, 96 transitions, 497 flow [2021-04-28 18:30:20,280 INFO L129 PetriNetUnfolder]: 39014/59220 cut-off events. [2021-04-28 18:30:20,281 INFO L130 PetriNetUnfolder]: For 12192/33188 co-relation queries the response was YES. [2021-04-28 18:30:20,518 INFO L84 FinitePrefix]: Finished finitePrefix Result has 169253 conditions, 59220 events. 39014/59220 cut-off events. For 12192/33188 co-relation queries the response was YES. Maximal size of possible extension queue 8896. Compared 576880 event pairs, 21871 based on Foata normal form. 26/17969 useless extension candidates. Maximal degree in co-relation 169235. Up to 55688 conditions per place. [2021-04-28 18:30:21,164 INFO L146 LiptonReduction]: Number of co-enabled transitions 3408 [2021-04-28 18:30:39,732 INFO L158 LiptonReduction]: Checked pairs total: 3231 [2021-04-28 18:30:39,732 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:30:39,732 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 25298 [2021-04-28 18:30:39,734 INFO L480 AbstractCegarLoop]: Abstraction has has 76 places, 96 transitions, 497 flow [2021-04-28 18:30:39,735 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 328.75) internal successors, (1315), 4 states have internal predecessors, (1315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:30:39,735 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:30:39,736 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:30:39,736 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 18:30:39,736 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:30:39,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:30:39,736 INFO L82 PathProgramCache]: Analyzing trace with hash 1148477272, now seen corresponding path program 1 times [2021-04-28 18:30:39,736 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:30:39,737 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464222949] [2021-04-28 18:30:39,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:30:39,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:30:39,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:30:39,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:30:39,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:30:39,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:30:39,802 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 18:30:39,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 18:30:39,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:30:39,815 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464222949] [2021-04-28 18:30:39,815 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:30:39,815 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 18:30:39,816 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225923443] [2021-04-28 18:30:39,816 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 18:30:39,816 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:30:39,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 18:30:39,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 18:30:39,819 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 243 out of 427 [2021-04-28 18:30:39,820 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 96 transitions, 497 flow. Second operand has 4 states, 4 states have (on average 244.0) internal successors, (976), 4 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:30:39,821 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:30:39,821 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 243 of 427 [2021-04-28 18:30:39,821 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:30:46,811 INFO L129 PetriNetUnfolder]: 50927/75859 cut-off events. [2021-04-28 18:30:46,811 INFO L130 PetriNetUnfolder]: For 19125/183199 co-relation queries the response was YES. [2021-04-28 18:30:47,281 INFO L84 FinitePrefix]: Finished finitePrefix Result has 217749 conditions, 75859 events. 50927/75859 cut-off events. For 19125/183199 co-relation queries the response was YES. Maximal size of possible extension queue 12339. Compared 725091 event pairs, 29008 based on Foata normal form. 574/22992 useless extension candidates. Maximal degree in co-relation 217729. Up to 71738 conditions per place. [2021-04-28 18:30:47,632 INFO L132 encePairwiseOnDemand]: 421/427 looper letters, 16 selfloop transitions, 12 changer transitions 0/102 dead transitions. [2021-04-28 18:30:47,632 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 102 transitions, 585 flow [2021-04-28 18:30:47,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 18:30:47,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 18:30:47,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 990 transitions. [2021-04-28 18:30:47,636 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5796252927400468 [2021-04-28 18:30:47,636 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 990 transitions. [2021-04-28 18:30:47,636 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 990 transitions. [2021-04-28 18:30:47,637 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:30:47,637 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 990 transitions. [2021-04-28 18:30:47,640 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 247.5) internal successors, (990), 4 states have internal predecessors, (990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:30:47,644 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 427.0) internal successors, (2135), 5 states have internal predecessors, (2135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:30:47,645 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 427.0) internal successors, (2135), 5 states have internal predecessors, (2135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:30:47,645 INFO L185 Difference]: Start difference. First operand has 76 places, 96 transitions, 497 flow. Second operand 4 states and 990 transitions. [2021-04-28 18:30:47,645 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 102 transitions, 585 flow [2021-04-28 18:30:47,745 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 102 transitions, 585 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 18:30:47,749 INFO L241 Difference]: Finished difference. Result has 81 places, 98 transitions, 553 flow [2021-04-28 18:30:47,749 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=427, PETRI_DIFFERENCE_MINUEND_FLOW=497, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=553, PETRI_PLACES=81, PETRI_TRANSITIONS=98} [2021-04-28 18:30:47,750 INFO L343 CegarLoopForPetriNet]: 158 programPoint places, -77 predicate places. [2021-04-28 18:30:47,750 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:30:47,750 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 81 places, 98 transitions, 553 flow [2021-04-28 18:30:47,750 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 81 places, 98 transitions, 553 flow [2021-04-28 18:30:47,751 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 81 places, 98 transitions, 553 flow [2021-04-28 18:30:54,314 INFO L129 PetriNetUnfolder]: 50986/76179 cut-off events. [2021-04-28 18:30:54,315 INFO L130 PetriNetUnfolder]: For 16689/91284 co-relation queries the response was YES. [2021-04-28 18:30:54,616 INFO L84 FinitePrefix]: Finished finitePrefix Result has 218487 conditions, 76179 events. 50986/76179 cut-off events. For 16689/91284 co-relation queries the response was YES. Maximal size of possible extension queue 12643. Compared 753818 event pairs, 29160 based on Foata normal form. 26/22663 useless extension candidates. Maximal degree in co-relation 218465. Up to 72287 conditions per place. [2021-04-28 18:30:55,499 INFO L146 LiptonReduction]: Number of co-enabled transitions 3466 [2021-04-28 18:30:55,756 INFO L158 LiptonReduction]: Checked pairs total: 3380 [2021-04-28 18:30:55,756 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:30:55,756 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8006 [2021-04-28 18:30:55,758 INFO L480 AbstractCegarLoop]: Abstraction has has 81 places, 98 transitions, 553 flow [2021-04-28 18:30:55,759 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 244.0) internal successors, (976), 4 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:30:55,759 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:30:55,759 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:30:55,759 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 18:30:55,759 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:30:55,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:30:55,760 INFO L82 PathProgramCache]: Analyzing trace with hash -838738443, now seen corresponding path program 1 times [2021-04-28 18:30:55,760 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:30:55,760 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023816749] [2021-04-28 18:30:55,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:30:55,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:30:55,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:30:55,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:30:55,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:30:55,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:30:55,817 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 18:30:55,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 18:30:55,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:30:55,831 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023816749] [2021-04-28 18:30:55,831 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:30:55,831 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 18:30:55,832 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336532549] [2021-04-28 18:30:55,832 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 18:30:55,832 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:30:55,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 18:30:55,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 18:30:55,835 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 427 [2021-04-28 18:30:55,837 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 98 transitions, 553 flow. Second operand has 4 states, 4 states have (on average 239.5) internal successors, (958), 4 states have internal predecessors, (958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:30:55,837 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:30:55,837 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 427 [2021-04-28 18:30:55,837 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:31:06,844 INFO L129 PetriNetUnfolder]: 77267/114045 cut-off events. [2021-04-28 18:31:06,844 INFO L130 PetriNetUnfolder]: For 29531/334475 co-relation queries the response was YES. [2021-04-28 18:31:07,329 INFO L84 FinitePrefix]: Finished finitePrefix Result has 327947 conditions, 114045 events. 77267/114045 cut-off events. For 29531/334475 co-relation queries the response was YES. Maximal size of possible extension queue 18945. Compared 1129551 event pairs, 44622 based on Foata normal form. 495/33382 useless extension candidates. Maximal degree in co-relation 327923. Up to 108500 conditions per place. [2021-04-28 18:31:07,932 INFO L132 encePairwiseOnDemand]: 418/427 looper letters, 16 selfloop transitions, 27 changer transitions 0/116 dead transitions. [2021-04-28 18:31:07,932 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 116 transitions, 780 flow [2021-04-28 18:31:07,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 18:31:07,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 18:31:07,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1215 transitions. [2021-04-28 18:31:07,937 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5690866510538641 [2021-04-28 18:31:07,937 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1215 transitions. [2021-04-28 18:31:07,937 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1215 transitions. [2021-04-28 18:31:07,938 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:31:07,938 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1215 transitions. [2021-04-28 18:31:07,942 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 243.0) internal successors, (1215), 5 states have internal predecessors, (1215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:31:07,946 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 427.0) internal successors, (2562), 6 states have internal predecessors, (2562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:31:07,947 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 427.0) internal successors, (2562), 6 states have internal predecessors, (2562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:31:07,948 INFO L185 Difference]: Start difference. First operand has 81 places, 98 transitions, 553 flow. Second operand 5 states and 1215 transitions. [2021-04-28 18:31:07,948 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 116 transitions, 780 flow [2021-04-28 18:31:08,067 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 116 transitions, 760 flow, removed 10 selfloop flow, removed 0 redundant places. [2021-04-28 18:31:08,070 INFO L241 Difference]: Finished difference. Result has 88 places, 112 transitions, 764 flow [2021-04-28 18:31:08,071 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=427, PETRI_DIFFERENCE_MINUEND_FLOW=543, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=764, PETRI_PLACES=88, PETRI_TRANSITIONS=112} [2021-04-28 18:31:08,071 INFO L343 CegarLoopForPetriNet]: 158 programPoint places, -70 predicate places. [2021-04-28 18:31:08,071 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:31:08,071 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 88 places, 112 transitions, 764 flow [2021-04-28 18:31:08,071 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 88 places, 112 transitions, 764 flow [2021-04-28 18:31:08,072 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 88 places, 112 transitions, 764 flow [2021-04-28 18:31:20,617 INFO L129 PetriNetUnfolder]: 82512/122800 cut-off events. [2021-04-28 18:31:20,617 INFO L130 PetriNetUnfolder]: For 29887/185575 co-relation queries the response was YES. [2021-04-28 18:31:21,244 INFO L84 FinitePrefix]: Finished finitePrefix Result has 353349 conditions, 122800 events. 82512/122800 cut-off events. For 29887/185575 co-relation queries the response was YES. Maximal size of possible extension queue 19758. Compared 1261256 event pairs, 47258 based on Foata normal form. 29/36075 useless extension candidates. Maximal degree in co-relation 353322. Up to 117146 conditions per place. [2021-04-28 18:31:22,721 INFO L146 LiptonReduction]: Number of co-enabled transitions 4548 [2021-04-28 18:31:24,160 INFO L158 LiptonReduction]: Checked pairs total: 4079 [2021-04-28 18:31:24,160 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:31:24,160 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 16089 [2021-04-28 18:31:24,161 INFO L480 AbstractCegarLoop]: Abstraction has has 88 places, 112 transitions, 764 flow [2021-04-28 18:31:24,162 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 239.5) internal successors, (958), 4 states have internal predecessors, (958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:31:24,162 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:31:24,162 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:31:24,162 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 18:31:24,163 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:31:24,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:31:24,163 INFO L82 PathProgramCache]: Analyzing trace with hash -892757643, now seen corresponding path program 2 times [2021-04-28 18:31:24,163 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:31:24,163 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778991906] [2021-04-28 18:31:24,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:31:24,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:31:24,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:31:24,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:31:24,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:31:24,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:31:24,231 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 18:31:24,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 18:31:24,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:31:24,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:31:24,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:31:24,242 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778991906] [2021-04-28 18:31:24,243 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:31:24,243 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 18:31:24,243 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55348087] [2021-04-28 18:31:24,243 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 18:31:24,243 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:31:24,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 18:31:24,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 18:31:24,249 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 328 out of 427 [2021-04-28 18:31:24,251 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 112 transitions, 764 flow. Second operand has 5 states, 5 states have (on average 328.8) internal successors, (1644), 5 states have internal predecessors, (1644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:31:24,251 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:31:24,251 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 328 of 427 [2021-04-28 18:31:24,251 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:31:42,763 INFO L129 PetriNetUnfolder]: 98904/151307 cut-off events. [2021-04-28 18:31:42,764 INFO L130 PetriNetUnfolder]: For 52576/1429108 co-relation queries the response was YES. [2021-04-28 18:31:43,474 INFO L84 FinitePrefix]: Finished finitePrefix Result has 583218 conditions, 151307 events. 98904/151307 cut-off events. For 52576/1429108 co-relation queries the response was YES. Maximal size of possible extension queue 26532. Compared 1583769 event pairs, 20712 based on Foata normal form. 2719/50147 useless extension candidates. Maximal degree in co-relation 583189. Up to 142007 conditions per place. [2021-04-28 18:31:44,142 INFO L132 encePairwiseOnDemand]: 407/427 looper letters, 35 selfloop transitions, 64 changer transitions 0/157 dead transitions. [2021-04-28 18:31:44,142 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 157 transitions, 1211 flow [2021-04-28 18:31:44,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 18:31:44,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 18:31:44,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2392 transitions. [2021-04-28 18:31:44,151 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8002676480428237 [2021-04-28 18:31:44,151 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2392 transitions. [2021-04-28 18:31:44,151 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2392 transitions. [2021-04-28 18:31:44,153 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:31:44,153 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2392 transitions. [2021-04-28 18:31:44,160 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 341.7142857142857) internal successors, (2392), 7 states have internal predecessors, (2392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:31:44,167 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 427.0) internal successors, (3416), 8 states have internal predecessors, (3416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:31:44,169 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 427.0) internal successors, (3416), 8 states have internal predecessors, (3416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:31:44,169 INFO L185 Difference]: Start difference. First operand has 88 places, 112 transitions, 764 flow. Second operand 7 states and 2392 transitions. [2021-04-28 18:31:44,169 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 157 transitions, 1211 flow [2021-04-28 18:31:44,620 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 157 transitions, 1205 flow, removed 3 selfloop flow, removed 0 redundant places. [2021-04-28 18:31:44,624 INFO L241 Difference]: Finished difference. Result has 97 places, 143 transitions, 1200 flow [2021-04-28 18:31:44,624 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=427, PETRI_DIFFERENCE_MINUEND_FLOW=758, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1200, PETRI_PLACES=97, PETRI_TRANSITIONS=143} [2021-04-28 18:31:44,624 INFO L343 CegarLoopForPetriNet]: 158 programPoint places, -61 predicate places. [2021-04-28 18:31:44,624 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:31:44,624 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 97 places, 143 transitions, 1200 flow [2021-04-28 18:31:44,625 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 97 places, 143 transitions, 1200 flow [2021-04-28 18:31:44,626 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 97 places, 143 transitions, 1200 flow [2021-04-28 18:32:02,814 INFO L129 PetriNetUnfolder]: 95848/149785 cut-off events. [2021-04-28 18:32:02,814 INFO L130 PetriNetUnfolder]: For 390525/907305 co-relation queries the response was YES. [2021-04-28 18:32:04,166 INFO L84 FinitePrefix]: Finished finitePrefix Result has 711910 conditions, 149785 events. 95848/149785 cut-off events. For 390525/907305 co-relation queries the response was YES. Maximal size of possible extension queue 24590. Compared 1656931 event pairs, 20558 based on Foata normal form. 73/45236 useless extension candidates. Maximal degree in co-relation 711878. Up to 143615 conditions per place. [2021-04-28 18:32:05,977 INFO L146 LiptonReduction]: Number of co-enabled transitions 6322 [2021-04-28 18:32:11,018 INFO L158 LiptonReduction]: Checked pairs total: 7833 [2021-04-28 18:32:11,018 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:32:11,018 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 26394 [2021-04-28 18:32:11,019 INFO L480 AbstractCegarLoop]: Abstraction has has 97 places, 143 transitions, 1200 flow [2021-04-28 18:32:11,020 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 328.8) internal successors, (1644), 5 states have internal predecessors, (1644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:32:11,020 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:32:11,021 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] [2021-04-28 18:32:11,021 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-28 18:32:11,021 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:32:11,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:32:11,021 INFO L82 PathProgramCache]: Analyzing trace with hash -835149183, now seen corresponding path program 1 times [2021-04-28 18:32:11,022 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:32:11,022 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419100719] [2021-04-28 18:32:11,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:32:11,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:32:11,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:32:11,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:32:11,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:32:11,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:32:11,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:32:11,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:32:11,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:32:11,089 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419100719] [2021-04-28 18:32:11,089 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:32:11,089 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 18:32:11,089 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615763046] [2021-04-28 18:32:11,090 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 18:32:11,090 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:32:11,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 18:32:11,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 18:32:11,092 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 257 out of 427 [2021-04-28 18:32:11,094 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 143 transitions, 1200 flow. Second operand has 4 states, 4 states have (on average 258.25) internal successors, (1033), 4 states have internal predecessors, (1033), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:32:11,094 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:32:11,094 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 257 of 427 [2021-04-28 18:32:11,094 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:32:41,865 INFO L129 PetriNetUnfolder]: 137517/209780 cut-off events. [2021-04-28 18:32:41,866 INFO L130 PetriNetUnfolder]: For 686540/2775131 co-relation queries the response was YES. [2021-04-28 18:32:43,004 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1000425 conditions, 209780 events. 137517/209780 cut-off events. For 686540/2775131 co-relation queries the response was YES. Maximal size of possible extension queue 37110. Compared 2242236 event pairs, 31431 based on Foata normal form. 622/63519 useless extension candidates. Maximal degree in co-relation 1000391. Up to 202439 conditions per place. [2021-04-28 18:32:43,739 INFO L132 encePairwiseOnDemand]: 424/427 looper letters, 10 selfloop transitions, 5 changer transitions 0/145 dead transitions. [2021-04-28 18:32:43,739 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 145 transitions, 1252 flow [2021-04-28 18:32:43,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 18:32:43,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 18:32:43,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1036 transitions. [2021-04-28 18:32:43,743 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6065573770491803 [2021-04-28 18:32:43,744 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1036 transitions. [2021-04-28 18:32:43,744 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1036 transitions. [2021-04-28 18:32:43,745 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:32:43,745 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1036 transitions. [2021-04-28 18:32:43,748 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 259.0) internal successors, (1036), 4 states have internal predecessors, (1036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:32:43,752 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 427.0) internal successors, (2135), 5 states have internal predecessors, (2135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:32:43,753 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 427.0) internal successors, (2135), 5 states have internal predecessors, (2135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:32:43,753 INFO L185 Difference]: Start difference. First operand has 97 places, 143 transitions, 1200 flow. Second operand 4 states and 1036 transitions. [2021-04-28 18:32:43,753 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 145 transitions, 1252 flow [2021-04-28 18:33:24,735 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 145 transitions, 1090 flow, removed 54 selfloop flow, removed 3 redundant places. [2021-04-28 18:33:24,737 INFO L241 Difference]: Finished difference. Result has 98 places, 143 transitions, 1053 flow [2021-04-28 18:33:24,738 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=427, PETRI_DIFFERENCE_MINUEND_FLOW=1038, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=143, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=138, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=1053, PETRI_PLACES=98, PETRI_TRANSITIONS=143} [2021-04-28 18:33:24,738 INFO L343 CegarLoopForPetriNet]: 158 programPoint places, -60 predicate places. [2021-04-28 18:33:24,738 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:33:24,738 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 98 places, 143 transitions, 1053 flow [2021-04-28 18:33:24,739 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 98 places, 143 transitions, 1053 flow [2021-04-28 18:33:24,740 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 98 places, 143 transitions, 1053 flow [2021-04-28 18:33:50,635 INFO L129 PetriNetUnfolder]: 133448/204706 cut-off events. [2021-04-28 18:33:50,635 INFO L130 PetriNetUnfolder]: For 248230/519665 co-relation queries the response was YES. [2021-04-28 18:33:52,259 INFO L84 FinitePrefix]: Finished finitePrefix Result has 914948 conditions, 204706 events. 133448/204706 cut-off events. For 248230/519665 co-relation queries the response was YES. Maximal size of possible extension queue 35325. Compared 2275443 event pairs, 30772 based on Foata normal form. 77/61514 useless extension candidates. Maximal degree in co-relation 914916. Up to 174907 conditions per place. [2021-04-28 18:33:54,825 INFO L146 LiptonReduction]: Number of co-enabled transitions 6322 [2021-04-28 18:34:13,134 INFO L158 LiptonReduction]: Checked pairs total: 7833 [2021-04-28 18:34:13,134 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:34:13,134 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 48396 [2021-04-28 18:34:13,135 INFO L480 AbstractCegarLoop]: Abstraction has has 98 places, 143 transitions, 1053 flow [2021-04-28 18:34:13,136 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 258.25) internal successors, (1033), 4 states have internal predecessors, (1033), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:34:13,136 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:34:13,136 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] [2021-04-28 18:34:13,136 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-28 18:34:13,136 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:34:13,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:34:13,137 INFO L82 PathProgramCache]: Analyzing trace with hash -841758959, now seen corresponding path program 1 times [2021-04-28 18:34:13,137 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:34:13,137 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695625456] [2021-04-28 18:34:13,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:34:13,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:34:13,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:34:13,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:34:13,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:34:13,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:34:13,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:34:13,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:34:13,373 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 18:34:13,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 18:34:13,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:34:13,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:34:13,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:34:13,393 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695625456] [2021-04-28 18:34:13,393 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:34:13,393 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 18:34:13,394 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905387984] [2021-04-28 18:34:13,394 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 18:34:13,394 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:34:13,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 18:34:13,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-28 18:34:13,398 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 328 out of 427 [2021-04-28 18:34:13,410 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 143 transitions, 1053 flow. Second operand has 6 states, 6 states have (on average 328.8333333333333) internal successors, (1973), 6 states have internal predecessors, (1973), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:34:13,410 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:34:13,410 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 328 of 427 [2021-04-28 18:34:13,410 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:34:46,114 INFO L129 PetriNetUnfolder]: 142155/226688 cut-off events. [2021-04-28 18:34:46,115 INFO L130 PetriNetUnfolder]: For 259815/2498262 co-relation queries the response was YES. [2021-04-28 18:34:47,440 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1234547 conditions, 226688 events. 142155/226688 cut-off events. For 259815/2498262 co-relation queries the response was YES. Maximal size of possible extension queue 39834. Compared 2603689 event pairs, 5295 based on Foata normal form. 4126/75494 useless extension candidates. Maximal degree in co-relation 1234513. Up to 191656 conditions per place. [2021-04-28 18:34:48,160 INFO L132 encePairwiseOnDemand]: 407/427 looper letters, 24 selfloop transitions, 95 changer transitions 12/189 dead transitions. [2021-04-28 18:34:48,161 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 189 transitions, 1724 flow [2021-04-28 18:34:48,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-28 18:34:48,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-28 18:34:48,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 3078 transitions. [2021-04-28 18:34:48,170 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8009367681498829 [2021-04-28 18:34:48,170 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 3078 transitions. [2021-04-28 18:34:48,170 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 3078 transitions. [2021-04-28 18:34:48,173 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:34:48,173 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 3078 transitions. [2021-04-28 18:34:48,180 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 342.0) internal successors, (3078), 9 states have internal predecessors, (3078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:34:48,188 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 427.0) internal successors, (4270), 10 states have internal predecessors, (4270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:34:48,189 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 427.0) internal successors, (4270), 10 states have internal predecessors, (4270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:34:48,190 INFO L185 Difference]: Start difference. First operand has 98 places, 143 transitions, 1053 flow. Second operand 9 states and 3078 transitions. [2021-04-28 18:34:48,190 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 189 transitions, 1724 flow [2021-04-28 18:35:26,059 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 189 transitions, 1711 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-04-28 18:35:26,063 INFO L241 Difference]: Finished difference. Result has 107 places, 174 transitions, 1630 flow [2021-04-28 18:35:26,063 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=427, PETRI_DIFFERENCE_MINUEND_FLOW=1040, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=143, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=76, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1630, PETRI_PLACES=107, PETRI_TRANSITIONS=174} [2021-04-28 18:35:26,064 INFO L343 CegarLoopForPetriNet]: 158 programPoint places, -51 predicate places. [2021-04-28 18:35:26,064 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:35:26,064 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 107 places, 174 transitions, 1630 flow [2021-04-28 18:35:26,064 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 107 places, 174 transitions, 1630 flow [2021-04-28 18:35:26,066 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 107 places, 174 transitions, 1630 flow [2021-04-28 18:35:49,934 INFO L129 PetriNetUnfolder]: 97778/170004 cut-off events. [2021-04-28 18:35:49,935 INFO L130 PetriNetUnfolder]: For 637991/1199037 co-relation queries the response was YES. [2021-04-28 18:35:51,123 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1001105 conditions, 170004 events. 97778/170004 cut-off events. For 637991/1199037 co-relation queries the response was YES. Maximal size of possible extension queue 35235. Compared 2205219 event pairs, 5229 based on Foata normal form. 2/50675 useless extension candidates. Maximal degree in co-relation 1001070. Up to 139123 conditions per place. [2021-04-28 18:35:53,328 INFO L146 LiptonReduction]: Number of co-enabled transitions 7162 [2021-04-28 18:36:02,096 INFO L158 LiptonReduction]: Checked pairs total: 11887 [2021-04-28 18:36:02,096 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:36:02,097 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 36033 [2021-04-28 18:36:02,098 INFO L480 AbstractCegarLoop]: Abstraction has has 107 places, 174 transitions, 1630 flow [2021-04-28 18:36:02,098 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 328.8333333333333) internal successors, (1973), 6 states have internal predecessors, (1973), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:36:02,099 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:36:02,099 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:36:02,099 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-04-28 18:36:02,099 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:36:02,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:36:02,099 INFO L82 PathProgramCache]: Analyzing trace with hash -1088188838, now seen corresponding path program 1 times [2021-04-28 18:36:02,100 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:36:02,100 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576545528] [2021-04-28 18:36:02,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:36:02,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:36:02,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:36:02,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:36:02,201 INFO L142 QuantifierPusher]: treesize reduction 8, result has 80.5 percent of original size [2021-04-28 18:36:02,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-28 18:36:02,226 INFO L142 QuantifierPusher]: treesize reduction 6, result has 90.6 percent of original size [2021-04-28 18:36:02,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-04-28 18:36:02,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:36:02,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-28 18:36:02,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:36:02,253 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576545528] [2021-04-28 18:36:02,253 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:36:02,253 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 18:36:02,253 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760124263] [2021-04-28 18:36:02,254 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 18:36:02,254 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:36:02,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 18:36:02,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-04-28 18:36:02,256 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 228 out of 427 [2021-04-28 18:36:02,258 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 174 transitions, 1630 flow. Second operand has 5 states, 5 states have (on average 229.6) internal successors, (1148), 5 states have internal predecessors, (1148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:36:02,258 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:36:02,258 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 228 of 427 [2021-04-28 18:36:02,258 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:38:01,310 INFO L129 PetriNetUnfolder]: 324486/587730 cut-off events. [2021-04-28 18:38:01,310 INFO L130 PetriNetUnfolder]: For 2572726/5894420 co-relation queries the response was YES. [2021-04-28 18:38:05,937 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3385620 conditions, 587730 events. 324486/587730 cut-off events. For 2572726/5894420 co-relation queries the response was YES. Maximal size of possible extension queue 115776. Compared 8632360 event pairs, 13918 based on Foata normal form. 1135/173813 useless extension candidates. Maximal degree in co-relation 3385583. Up to 467461 conditions per place. [2021-04-28 18:38:08,076 INFO L132 encePairwiseOnDemand]: 419/427 looper letters, 16 selfloop transitions, 19 changer transitions 1/199 dead transitions. [2021-04-28 18:38:08,076 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 199 transitions, 1864 flow [2021-04-28 18:38:08,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-28 18:38:08,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-28 18:38:08,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1399 transitions. [2021-04-28 18:38:08,081 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5460577673692428 [2021-04-28 18:38:08,081 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1399 transitions. [2021-04-28 18:38:08,082 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1399 transitions. [2021-04-28 18:38:08,083 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:38:08,083 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1399 transitions. [2021-04-28 18:38:08,086 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 233.16666666666666) internal successors, (1399), 6 states have internal predecessors, (1399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:38:08,090 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 427.0) internal successors, (2989), 7 states have internal predecessors, (2989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:38:08,091 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 427.0) internal successors, (2989), 7 states have internal predecessors, (2989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:38:08,091 INFO L185 Difference]: Start difference. First operand has 107 places, 174 transitions, 1630 flow. Second operand 6 states and 1399 transitions. [2021-04-28 18:38:08,091 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 199 transitions, 1864 flow