/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/mix005_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-25 23:59:49,532 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-25 23:59:49,535 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-25 23:59:49,564 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-25 23:59:49,564 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-25 23:59:49,565 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-25 23:59:49,566 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-25 23:59:49,576 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-25 23:59:49,578 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-25 23:59:49,582 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-25 23:59:49,583 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-25 23:59:49,584 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-25 23:59:49,584 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-25 23:59:49,586 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-25 23:59:49,587 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-25 23:59:49,590 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-25 23:59:49,591 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-25 23:59:49,592 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-25 23:59:49,596 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-25 23:59:49,598 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-25 23:59:49,599 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-25 23:59:49,602 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-25 23:59:49,603 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-25 23:59:49,605 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-25 23:59:49,607 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-25 23:59:49,609 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-25 23:59:49,610 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-25 23:59:49,610 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-25 23:59:49,611 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-25 23:59:49,612 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-25 23:59:49,612 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-25 23:59:49,613 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-25 23:59:49,613 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-25 23:59:49,613 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-25 23:59:49,614 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-25 23:59:49,614 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-25 23:59:49,615 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 [2021-03-25 23:59:49,634 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-25 23:59:49,634 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-25 23:59:49,636 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-25 23:59:49,636 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-25 23:59:49,636 INFO L138 SettingsManager]: * Use SBE=true [2021-03-25 23:59:49,636 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-25 23:59:49,636 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-25 23:59:49,636 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-25 23:59:49,637 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-25 23:59:49,637 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-25 23:59:49,637 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-25 23:59:49,637 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-25 23:59:49,637 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-25 23:59:49,637 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-25 23:59:49,637 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-25 23:59:49,637 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-25 23:59:49,638 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-25 23:59:49,638 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-25 23:59:49,638 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-25 23:59:49,638 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-25 23:59:49,638 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-25 23:59:49,638 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-25 23:59:49,638 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-25 23:59:49,639 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-25 23:59:49,639 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-25 23:59:49,639 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-25 23:59:49,639 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-25 23:59:49,639 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-03-25 23:59:49,639 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-25 23:59:49,639 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-25 23:59:49,640 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-25 23:59:49,876 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-25 23:59:49,899 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-25 23:59:49,901 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-25 23:59:49,902 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-25 23:59:49,904 INFO L275 PluginConnector]: CDTParser initialized [2021-03-25 23:59:49,907 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix005_tso.opt.i [2021-03-25 23:59:49,984 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0aa11394/240422cf0c7a41a38f9072c5cc62f7db/FLAG7a9b5d7ab [2021-03-25 23:59:50,446 INFO L306 CDTParser]: Found 1 translation units. [2021-03-25 23:59:50,446 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix005_tso.opt.i [2021-03-25 23:59:50,461 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0aa11394/240422cf0c7a41a38f9072c5cc62f7db/FLAG7a9b5d7ab [2021-03-25 23:59:50,771 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0aa11394/240422cf0c7a41a38f9072c5cc62f7db [2021-03-25 23:59:50,773 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-25 23:59:50,774 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-25 23:59:50,781 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-25 23:59:50,781 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-25 23:59:50,784 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-25 23:59:50,784 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 11:59:50" (1/1) ... [2021-03-25 23:59:50,785 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18cfe294 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 11:59:50, skipping insertion in model container [2021-03-25 23:59:50,785 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 11:59:50" (1/1) ... [2021-03-25 23:59:50,801 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-25 23:59:50,840 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-25 23:59:50,994 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/mix005_tso.opt.i[948,961] [2021-03-25 23:59:51,243 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 23:59:51,252 INFO L203 MainTranslator]: Completed pre-run [2021-03-25 23:59:51,263 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/mix005_tso.opt.i[948,961] [2021-03-25 23:59:51,329 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 23:59:51,405 INFO L208 MainTranslator]: Completed translation [2021-03-25 23:59:51,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 11:59:51 WrapperNode [2021-03-25 23:59:51,407 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-25 23:59:51,408 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-25 23:59:51,409 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-25 23:59:51,409 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-25 23:59:51,415 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 11:59:51" (1/1) ... [2021-03-25 23:59:51,448 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 11:59:51" (1/1) ... [2021-03-25 23:59:51,488 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-25 23:59:51,489 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-25 23:59:51,489 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-25 23:59:51,489 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-25 23:59:51,496 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 11:59:51" (1/1) ... [2021-03-25 23:59:51,496 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 11:59:51" (1/1) ... [2021-03-25 23:59:51,499 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 11:59:51" (1/1) ... [2021-03-25 23:59:51,499 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 11:59:51" (1/1) ... [2021-03-25 23:59:51,530 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 11:59:51" (1/1) ... [2021-03-25 23:59:51,533 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 11:59:51" (1/1) ... [2021-03-25 23:59:51,535 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 11:59:51" (1/1) ... [2021-03-25 23:59:51,538 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-25 23:59:51,539 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-25 23:59:51,539 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-25 23:59:51,539 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-25 23:59:51,540 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 11:59:51" (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 [2021-03-25 23:59:51,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-25 23:59:51,613 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-25 23:59:51,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-25 23:59:51,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-25 23:59:51,615 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-25 23:59:51,615 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-25 23:59:51,615 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-25 23:59:51,616 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-25 23:59:51,616 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-25 23:59:51,616 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-25 23:59:51,616 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-03-25 23:59:51,616 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-03-25 23:59:51,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-25 23:59:51,617 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-25 23:59:51,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-25 23:59:51,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-25 23:59:51,618 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-25 23:59:53,579 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-25 23:59:53,579 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-25 23:59:53,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 11:59:53 BoogieIcfgContainer [2021-03-25 23:59:53,581 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-25 23:59:53,582 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-25 23:59:53,582 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-25 23:59:53,584 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-25 23:59:53,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.03 11:59:50" (1/3) ... [2021-03-25 23:59:53,585 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@407af9cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 11:59:53, skipping insertion in model container [2021-03-25 23:59:53,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 11:59:51" (2/3) ... [2021-03-25 23:59:53,585 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@407af9cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 11:59:53, skipping insertion in model container [2021-03-25 23:59:53,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 11:59:53" (3/3) ... [2021-03-25 23:59:53,587 INFO L111 eAbstractionObserver]: Analyzing ICFG mix005_tso.opt.i [2021-03-25 23:59:53,592 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-25 23:59:53,595 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-25 23:59:53,596 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-25 23:59:53,631 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,631 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,631 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,631 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,631 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,632 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,632 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,632 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,632 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,632 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,632 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,632 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,633 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,633 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,633 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,633 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,633 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,633 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,633 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,633 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,633 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,634 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,634 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,634 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,634 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,634 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,634 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,634 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,634 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,635 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,635 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,635 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,635 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,635 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,635 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,635 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,635 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,636 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,636 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,636 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,637 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,637 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,637 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,637 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,637 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,637 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,637 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,637 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,637 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,637 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,637 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,638 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,638 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,638 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,638 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,638 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,638 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,638 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,638 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,638 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,638 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,639 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,639 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,639 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,639 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,639 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,639 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,639 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,639 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,639 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,641 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,641 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,641 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,641 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,642 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,642 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,642 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,642 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,642 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,642 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,642 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,642 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,642 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,642 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,643 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,643 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,643 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,643 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,643 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,643 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,643 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,643 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,643 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,643 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,643 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,644 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,644 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,644 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,644 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,644 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,644 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,644 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,644 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,644 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,644 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,645 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,645 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,645 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,647 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,647 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,647 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,647 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,647 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,647 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,648 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,648 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,648 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,648 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,648 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,648 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,648 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,648 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,648 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,648 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,649 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,649 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,649 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,649 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,649 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,649 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,649 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,649 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,650 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,650 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,650 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,650 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,650 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,650 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,650 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,650 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,650 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,650 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,650 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,650 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,651 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,651 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,651 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,651 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,651 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,651 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,651 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,651 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,651 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,651 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,651 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,651 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,652 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,652 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,652 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,652 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,652 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,652 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,652 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,652 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,652 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,652 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,654 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,654 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,654 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,654 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,654 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,654 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,655 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,655 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,655 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,655 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,655 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,655 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,655 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,655 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,655 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,656 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,656 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,656 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,656 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,656 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,656 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,656 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,656 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,656 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,656 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,656 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,657 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,657 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,657 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,657 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,657 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,657 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,657 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,657 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,657 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,657 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,658 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,658 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,659 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,660 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,660 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,660 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,660 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,660 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,660 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,660 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,660 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,661 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,661 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,661 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,661 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,661 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,661 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,661 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,661 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,662 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,663 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,663 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,664 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,664 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,667 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,667 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,667 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,667 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,671 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,671 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,672 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,672 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,672 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,672 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,672 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,672 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,672 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,672 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,672 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,673 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,673 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,673 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,673 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,673 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,673 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,673 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,673 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,673 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,674 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,674 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,674 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,674 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,674 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,674 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,674 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,675 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,676 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,676 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,676 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,676 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,676 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,676 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,676 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,676 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,676 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,676 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,676 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,677 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,677 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,677 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,677 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,677 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,677 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,677 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,677 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,677 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,677 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,678 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,678 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,678 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,678 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,678 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,678 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,678 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,678 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,678 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,678 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,679 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,679 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,679 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:53,680 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-25 23:59:53,694 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-03-25 23:59:53,710 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-25 23:59:53,710 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-25 23:59:53,711 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-25 23:59:53,711 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-25 23:59:53,711 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-25 23:59:53,711 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-25 23:59:53,711 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-25 23:59:53,711 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-25 23:59:53,720 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 128 places, 117 transitions, 254 flow [2021-03-25 23:59:53,753 INFO L129 PetriNetUnfolder]: 2/113 cut-off events. [2021-03-25 23:59:53,753 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 23:59:53,757 INFO L84 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 113 events. 2/113 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 81 event pairs, 0 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 75. Up to 2 conditions per place. [2021-03-25 23:59:53,757 INFO L82 GeneralOperation]: Start removeDead. Operand has 128 places, 117 transitions, 254 flow [2021-03-25 23:59:53,761 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 124 places, 113 transitions, 238 flow [2021-03-25 23:59:53,762 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-25 23:59:53,772 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 124 places, 113 transitions, 238 flow [2021-03-25 23:59:53,774 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 124 places, 113 transitions, 238 flow [2021-03-25 23:59:53,776 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 124 places, 113 transitions, 238 flow [2021-03-25 23:59:53,794 INFO L129 PetriNetUnfolder]: 2/113 cut-off events. [2021-03-25 23:59:53,794 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 23:59:53,794 INFO L84 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 113 events. 2/113 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 81 event pairs, 0 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 75. Up to 2 conditions per place. [2021-03-25 23:59:53,797 INFO L142 LiptonReduction]: Number of co-enabled transitions 2502 [2021-03-25 23:59:55,236 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-25 23:59:55,618 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 81 [2021-03-25 23:59:55,743 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-03-25 23:59:57,210 INFO L154 LiptonReduction]: Checked pairs total: 4392 [2021-03-25 23:59:57,210 INFO L156 LiptonReduction]: Total number of compositions: 76 [2021-03-25 23:59:57,215 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3454 [2021-03-25 23:59:57,237 INFO L129 PetriNetUnfolder]: 0/27 cut-off events. [2021-03-25 23:59:57,237 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 23:59:57,238 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 23:59:57,238 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 23:59:57,239 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 23:59:57,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 23:59:57,244 INFO L82 PathProgramCache]: Analyzing trace with hash 532598806, now seen corresponding path program 1 times [2021-03-25 23:59:57,251 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 23:59:57,251 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103863232] [2021-03-25 23:59:57,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 23:59:57,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 23:59:57,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 23:59:57,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 23:59:57,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 23:59:57,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 23:59:57,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 23:59:57,526 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103863232] [2021-03-25 23:59:57,526 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 23:59:57,527 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 23:59:57,527 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522434408] [2021-03-25 23:59:57,533 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 23:59:57,534 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 23:59:57,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 23:59:57,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 23:59:57,543 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 193 [2021-03-25 23:59:57,546 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 45 transitions, 102 flow. Second operand has 3 states, 3 states have (on average 172.66666666666666) internal successors, (518), 3 states have internal predecessors, (518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 23:59:57,546 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 23:59:57,546 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 193 [2021-03-25 23:59:57,547 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 23:59:57,588 INFO L129 PetriNetUnfolder]: 13/94 cut-off events. [2021-03-25 23:59:57,588 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 23:59:57,589 INFO L84 FinitePrefix]: Finished finitePrefix Result has 137 conditions, 94 events. 13/94 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 278 event pairs, 5 based on Foata normal form. 8/95 useless extension candidates. Maximal degree in co-relation 116. Up to 25 conditions per place. [2021-03-25 23:59:57,590 INFO L132 encePairwiseOnDemand]: 189/193 looper letters, 6 selfloop transitions, 2 changer transitions 0/44 dead transitions. [2021-03-25 23:59:57,590 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 44 transitions, 116 flow [2021-03-25 23:59:57,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 23:59:57,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 23:59:57,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 527 transitions. [2021-03-25 23:59:57,602 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9101899827288429 [2021-03-25 23:59:57,603 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 527 transitions. [2021-03-25 23:59:57,603 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 527 transitions. [2021-03-25 23:59:57,605 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 23:59:57,607 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 527 transitions. [2021-03-25 23:59:57,610 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 175.66666666666666) internal successors, (527), 3 states have internal predecessors, (527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 23:59:57,615 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 193.0) internal successors, (772), 4 states have internal predecessors, (772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 23:59:57,616 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 193.0) internal successors, (772), 4 states have internal predecessors, (772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 23:59:57,617 INFO L185 Difference]: Start difference. First operand has 57 places, 45 transitions, 102 flow. Second operand 3 states and 527 transitions. [2021-03-25 23:59:57,618 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 44 transitions, 116 flow [2021-03-25 23:59:57,620 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 44 transitions, 112 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-25 23:59:57,621 INFO L241 Difference]: Finished difference. Result has 53 places, 42 transitions, 96 flow [2021-03-25 23:59:57,623 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=193, PETRI_DIFFERENCE_MINUEND_FLOW=92, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=96, PETRI_PLACES=53, PETRI_TRANSITIONS=42} [2021-03-25 23:59:57,623 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, -4 predicate places. [2021-03-25 23:59:57,623 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-25 23:59:57,623 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 53 places, 42 transitions, 96 flow [2021-03-25 23:59:57,624 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 53 places, 42 transitions, 96 flow [2021-03-25 23:59:57,624 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 53 places, 42 transitions, 96 flow [2021-03-25 23:59:57,629 INFO L129 PetriNetUnfolder]: 0/42 cut-off events. [2021-03-25 23:59:57,629 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 23:59:57,629 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54 conditions, 42 events. 0/42 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 43 event pairs, 0 based on Foata normal form. 0/41 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-03-25 23:59:57,630 INFO L142 LiptonReduction]: Number of co-enabled transitions 512 [2021-03-25 23:59:58,158 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-03-25 23:59:58,314 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-03-25 23:59:59,237 INFO L154 LiptonReduction]: Checked pairs total: 1608 [2021-03-25 23:59:59,237 INFO L156 LiptonReduction]: Total number of compositions: 12 [2021-03-25 23:59:59,237 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1614 [2021-03-25 23:59:59,239 INFO L480 AbstractCegarLoop]: Abstraction has has 41 places, 30 transitions, 72 flow [2021-03-25 23:59:59,239 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 172.66666666666666) internal successors, (518), 3 states have internal predecessors, (518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 23:59:59,240 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 23:59:59,240 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 23:59:59,240 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-25 23:59:59,240 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 23:59:59,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 23:59:59,240 INFO L82 PathProgramCache]: Analyzing trace with hash -1987398798, now seen corresponding path program 1 times [2021-03-25 23:59:59,241 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 23:59:59,241 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665182848] [2021-03-25 23:59:59,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 23:59:59,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 23:59:59,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 23:59:59,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 23:59:59,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 23:59:59,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 23:59:59,311 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-25 23:59:59,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 23:59:59,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 23:59:59,315 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665182848] [2021-03-25 23:59:59,315 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 23:59:59,316 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 23:59:59,316 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843456300] [2021-03-25 23:59:59,318 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 23:59:59,318 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 23:59:59,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 23:59:59,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 23:59:59,320 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 205 [2021-03-25 23:59:59,321 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 30 transitions, 72 flow. Second operand has 4 states, 4 states have (on average 180.75) internal successors, (723), 4 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 23:59:59,321 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 23:59:59,321 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 205 [2021-03-25 23:59:59,321 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 23:59:59,359 INFO L129 PetriNetUnfolder]: 1/32 cut-off events. [2021-03-25 23:59:59,359 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 23:59:59,360 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51 conditions, 32 events. 1/32 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 48 event pairs, 0 based on Foata normal form. 0/31 useless extension candidates. Maximal degree in co-relation 39. Up to 3 conditions per place. [2021-03-25 23:59:59,360 INFO L132 encePairwiseOnDemand]: 201/205 looper letters, 1 selfloop transitions, 2 changer transitions 3/32 dead transitions. [2021-03-25 23:59:59,360 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 32 transitions, 88 flow [2021-03-25 23:59:59,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 23:59:59,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 23:59:59,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 907 transitions. [2021-03-25 23:59:59,362 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8848780487804878 [2021-03-25 23:59:59,363 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 907 transitions. [2021-03-25 23:59:59,363 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 907 transitions. [2021-03-25 23:59:59,363 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 23:59:59,363 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 907 transitions. [2021-03-25 23:59:59,365 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 181.4) internal successors, (907), 5 states have internal predecessors, (907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 23:59:59,368 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 205.0) internal successors, (1230), 6 states have internal predecessors, (1230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 23:59:59,368 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 205.0) internal successors, (1230), 6 states have internal predecessors, (1230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 23:59:59,369 INFO L185 Difference]: Start difference. First operand has 41 places, 30 transitions, 72 flow. Second operand 5 states and 907 transitions. [2021-03-25 23:59:59,369 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 32 transitions, 88 flow [2021-03-25 23:59:59,369 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 32 transitions, 84 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 23:59:59,370 INFO L241 Difference]: Finished difference. Result has 44 places, 29 transitions, 74 flow [2021-03-25 23:59:59,370 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=205, PETRI_DIFFERENCE_MINUEND_FLOW=68, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=74, PETRI_PLACES=44, PETRI_TRANSITIONS=29} [2021-03-25 23:59:59,370 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, -13 predicate places. [2021-03-25 23:59:59,370 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-25 23:59:59,371 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 44 places, 29 transitions, 74 flow [2021-03-25 23:59:59,371 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 44 places, 29 transitions, 74 flow [2021-03-25 23:59:59,371 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 41 places, 29 transitions, 74 flow [2021-03-25 23:59:59,375 INFO L129 PetriNetUnfolder]: 0/29 cut-off events. [2021-03-25 23:59:59,375 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-25 23:59:59,375 INFO L84 FinitePrefix]: Finished finitePrefix Result has 44 conditions, 29 events. 0/29 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 31 event pairs, 0 based on Foata normal form. 0/29 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-25 23:59:59,376 INFO L142 LiptonReduction]: Number of co-enabled transitions 328 [2021-03-26 00:00:00,447 WARN L205 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 126 [2021-03-26 00:00:00,602 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2021-03-26 00:00:00,987 WARN L205 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 126 [2021-03-26 00:00:01,149 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2021-03-26 00:00:01,153 INFO L154 LiptonReduction]: Checked pairs total: 1170 [2021-03-26 00:00:01,153 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 00:00:01,153 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1783 [2021-03-26 00:00:01,156 INFO L480 AbstractCegarLoop]: Abstraction has has 38 places, 26 transitions, 68 flow [2021-03-26 00:00:01,157 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 180.75) internal successors, (723), 4 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:00:01,157 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:00:01,157 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:00:01,157 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-26 00:00:01,157 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:00:01,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:00:01,158 INFO L82 PathProgramCache]: Analyzing trace with hash -190117394, now seen corresponding path program 1 times [2021-03-26 00:00:01,158 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:00:01,159 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086362366] [2021-03-26 00:00:01,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:00:01,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:00:01,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:00:01,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:00:01,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:00:01,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:00:01,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:00:01,281 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086362366] [2021-03-26 00:00:01,281 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:00:01,281 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 00:00:01,281 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636826606] [2021-03-26 00:00:01,282 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 00:00:01,282 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:00:01,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 00:00:01,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 00:00:01,283 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 208 [2021-03-26 00:00:01,284 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 26 transitions, 68 flow. Second operand has 3 states, 3 states have (on average 182.66666666666666) internal successors, (548), 3 states have internal predecessors, (548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:00:01,284 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:00:01,284 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 208 [2021-03-26 00:00:01,284 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:00:01,296 INFO L129 PetriNetUnfolder]: 3/36 cut-off events. [2021-03-26 00:00:01,297 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-26 00:00:01,297 INFO L84 FinitePrefix]: Finished finitePrefix Result has 64 conditions, 36 events. 3/36 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 73 event pairs, 1 based on Foata normal form. 1/35 useless extension candidates. Maximal degree in co-relation 54. Up to 10 conditions per place. [2021-03-26 00:00:01,297 INFO L132 encePairwiseOnDemand]: 204/208 looper letters, 3 selfloop transitions, 3 changer transitions 0/28 dead transitions. [2021-03-26 00:00:01,297 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 28 transitions, 84 flow [2021-03-26 00:00:01,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 00:00:01,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 00:00:01,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 553 transitions. [2021-03-26 00:00:01,299 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8862179487179487 [2021-03-26 00:00:01,299 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 553 transitions. [2021-03-26 00:00:01,299 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 553 transitions. [2021-03-26 00:00:01,300 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:00:01,300 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 553 transitions. [2021-03-26 00:00:01,301 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 184.33333333333334) internal successors, (553), 3 states have internal predecessors, (553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:00:01,302 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 208.0) internal successors, (832), 4 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:00:01,303 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 208.0) internal successors, (832), 4 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:00:01,303 INFO L185 Difference]: Start difference. First operand has 38 places, 26 transitions, 68 flow. Second operand 3 states and 553 transitions. [2021-03-26 00:00:01,303 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 28 transitions, 84 flow [2021-03-26 00:00:01,304 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 28 transitions, 80 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 00:00:01,304 INFO L241 Difference]: Finished difference. Result has 39 places, 28 transitions, 83 flow [2021-03-26 00:00:01,304 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=208, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=83, PETRI_PLACES=39, PETRI_TRANSITIONS=28} [2021-03-26 00:00:01,305 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, -18 predicate places. [2021-03-26 00:00:01,305 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:00:01,305 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 39 places, 28 transitions, 83 flow [2021-03-26 00:00:01,305 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 39 places, 28 transitions, 83 flow [2021-03-26 00:00:01,305 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 39 places, 28 transitions, 83 flow [2021-03-26 00:00:01,310 INFO L129 PetriNetUnfolder]: 3/34 cut-off events. [2021-03-26 00:00:01,310 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-03-26 00:00:01,310 INFO L84 FinitePrefix]: Finished finitePrefix Result has 62 conditions, 34 events. 3/34 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 63 event pairs, 1 based on Foata normal form. 0/32 useless extension candidates. Maximal degree in co-relation 53. Up to 10 conditions per place. [2021-03-26 00:00:01,311 INFO L142 LiptonReduction]: Number of co-enabled transitions 382 [2021-03-26 00:00:01,447 INFO L154 LiptonReduction]: Checked pairs total: 359 [2021-03-26 00:00:01,447 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 00:00:01,448 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 143 [2021-03-26 00:00:01,449 INFO L480 AbstractCegarLoop]: Abstraction has has 39 places, 28 transitions, 83 flow [2021-03-26 00:00:01,449 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 182.66666666666666) internal successors, (548), 3 states have internal predecessors, (548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:00:01,449 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:00:01,449 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:00:01,449 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-26 00:00:01,450 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:00:01,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:00:01,450 INFO L82 PathProgramCache]: Analyzing trace with hash -2074720170, now seen corresponding path program 1 times [2021-03-26 00:00:01,450 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:00:01,450 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232168220] [2021-03-26 00:00:01,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:00:01,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:00:01,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:00:01,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:00:01,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:00:01,523 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232168220] [2021-03-26 00:00:01,523 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:00:01,523 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-26 00:00:01,523 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272063920] [2021-03-26 00:00:01,524 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 00:00:01,524 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:00:01,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 00:00:01,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 00:00:01,525 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 208 [2021-03-26 00:00:01,526 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 28 transitions, 83 flow. Second operand has 3 states, 3 states have (on average 185.66666666666666) internal successors, (557), 3 states have internal predecessors, (557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:00:01,526 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:00:01,526 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 208 [2021-03-26 00:00:01,526 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:00:01,535 INFO L129 PetriNetUnfolder]: 3/36 cut-off events. [2021-03-26 00:00:01,535 INFO L130 PetriNetUnfolder]: For 14/14 co-relation queries the response was YES. [2021-03-26 00:00:01,535 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70 conditions, 36 events. 3/36 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 73 event pairs, 1 based on Foata normal form. 1/35 useless extension candidates. Maximal degree in co-relation 59. Up to 10 conditions per place. [2021-03-26 00:00:01,535 INFO L132 encePairwiseOnDemand]: 205/208 looper letters, 1 selfloop transitions, 2 changer transitions 0/28 dead transitions. [2021-03-26 00:00:01,536 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 28 transitions, 89 flow [2021-03-26 00:00:01,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 00:00:01,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 00:00:01,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 559 transitions. [2021-03-26 00:00:01,537 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8958333333333334 [2021-03-26 00:00:01,538 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 559 transitions. [2021-03-26 00:00:01,538 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 559 transitions. [2021-03-26 00:00:01,538 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:00:01,538 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 559 transitions. [2021-03-26 00:00:01,541 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 186.33333333333334) internal successors, (559), 3 states have internal predecessors, (559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:00:01,542 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 208.0) internal successors, (832), 4 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:00:01,542 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 208.0) internal successors, (832), 4 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:00:01,542 INFO L185 Difference]: Start difference. First operand has 39 places, 28 transitions, 83 flow. Second operand 3 states and 559 transitions. [2021-03-26 00:00:01,542 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 28 transitions, 89 flow [2021-03-26 00:00:01,543 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 28 transitions, 86 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 00:00:01,543 INFO L241 Difference]: Finished difference. Result has 41 places, 28 transitions, 88 flow [2021-03-26 00:00:01,543 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=208, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=88, PETRI_PLACES=41, PETRI_TRANSITIONS=28} [2021-03-26 00:00:01,543 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, -16 predicate places. [2021-03-26 00:00:01,543 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:00:01,544 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 28 transitions, 88 flow [2021-03-26 00:00:01,544 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 28 transitions, 88 flow [2021-03-26 00:00:01,544 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 41 places, 28 transitions, 88 flow [2021-03-26 00:00:01,549 INFO L129 PetriNetUnfolder]: 3/36 cut-off events. [2021-03-26 00:00:01,549 INFO L130 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2021-03-26 00:00:01,549 INFO L84 FinitePrefix]: Finished finitePrefix Result has 69 conditions, 36 events. 3/36 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 66 event pairs, 1 based on Foata normal form. 0/34 useless extension candidates. Maximal degree in co-relation 58. Up to 10 conditions per place. [2021-03-26 00:00:01,550 INFO L142 LiptonReduction]: Number of co-enabled transitions 378 [2021-03-26 00:00:01,658 INFO L154 LiptonReduction]: Checked pairs total: 645 [2021-03-26 00:00:01,658 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 00:00:01,658 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 115 [2021-03-26 00:00:01,659 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 27 transitions, 86 flow [2021-03-26 00:00:01,660 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 185.66666666666666) internal successors, (557), 3 states have internal predecessors, (557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:00:01,660 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:00:01,660 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:00:01,660 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-26 00:00:01,660 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:00:01,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:00:01,661 INFO L82 PathProgramCache]: Analyzing trace with hash -231140401, now seen corresponding path program 1 times [2021-03-26 00:00:01,661 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:00:01,661 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121103020] [2021-03-26 00:00:01,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:00:01,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:00:01,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:00:01,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:00:01,747 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-03-26 00:00:01,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 00:00:01,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:00:01,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:00:01,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:00:01,755 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121103020] [2021-03-26 00:00:01,755 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:00:01,755 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 00:00:01,755 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095989810] [2021-03-26 00:00:01,756 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 00:00:01,756 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:00:01,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 00:00:01,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 00:00:01,757 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 209 [2021-03-26 00:00:01,758 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 27 transitions, 86 flow. Second operand has 4 states, 4 states have (on average 176.75) internal successors, (707), 4 states have internal predecessors, (707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:00:01,758 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:00:01,758 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 209 [2021-03-26 00:00:01,758 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:00:01,861 INFO L129 PetriNetUnfolder]: 138/271 cut-off events. [2021-03-26 00:00:01,861 INFO L130 PetriNetUnfolder]: For 87/87 co-relation queries the response was YES. [2021-03-26 00:00:01,865 INFO L84 FinitePrefix]: Finished finitePrefix Result has 596 conditions, 271 events. 138/271 cut-off events. For 87/87 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 1338 event pairs, 71 based on Foata normal form. 20/255 useless extension candidates. Maximal degree in co-relation 583. Up to 160 conditions per place. [2021-03-26 00:00:01,867 INFO L132 encePairwiseOnDemand]: 202/209 looper letters, 9 selfloop transitions, 9 changer transitions 2/40 dead transitions. [2021-03-26 00:00:01,867 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 40 transitions, 152 flow [2021-03-26 00:00:01,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 00:00:01,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 00:00:01,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 902 transitions. [2021-03-26 00:00:01,871 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8631578947368421 [2021-03-26 00:00:01,871 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 902 transitions. [2021-03-26 00:00:01,871 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 902 transitions. [2021-03-26 00:00:01,872 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:00:01,872 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 902 transitions. [2021-03-26 00:00:01,874 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 180.4) internal successors, (902), 5 states have internal predecessors, (902), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:00:01,877 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 209.0) internal successors, (1254), 6 states have internal predecessors, (1254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:00:01,878 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 209.0) internal successors, (1254), 6 states have internal predecessors, (1254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:00:01,878 INFO L185 Difference]: Start difference. First operand has 40 places, 27 transitions, 86 flow. Second operand 5 states and 902 transitions. [2021-03-26 00:00:01,878 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 40 transitions, 152 flow [2021-03-26 00:00:01,881 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 40 transitions, 148 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 00:00:01,882 INFO L241 Difference]: Finished difference. Result has 45 places, 35 transitions, 151 flow [2021-03-26 00:00:01,882 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=151, PETRI_PLACES=45, PETRI_TRANSITIONS=35} [2021-03-26 00:00:01,882 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, -12 predicate places. [2021-03-26 00:00:01,883 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:00:01,883 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 35 transitions, 151 flow [2021-03-26 00:00:01,890 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 35 transitions, 151 flow [2021-03-26 00:00:01,899 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 45 places, 35 transitions, 151 flow [2021-03-26 00:00:01,937 INFO L129 PetriNetUnfolder]: 130/260 cut-off events. [2021-03-26 00:00:01,938 INFO L130 PetriNetUnfolder]: For 180/220 co-relation queries the response was YES. [2021-03-26 00:00:01,939 INFO L84 FinitePrefix]: Finished finitePrefix Result has 738 conditions, 260 events. 130/260 cut-off events. For 180/220 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 1262 event pairs, 68 based on Foata normal form. 0/226 useless extension candidates. Maximal degree in co-relation 724. Up to 177 conditions per place. [2021-03-26 00:00:01,942 INFO L142 LiptonReduction]: Number of co-enabled transitions 480 [2021-03-26 00:00:01,959 INFO L154 LiptonReduction]: Checked pairs total: 622 [2021-03-26 00:00:01,959 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 00:00:01,959 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 76 [2021-03-26 00:00:01,961 INFO L480 AbstractCegarLoop]: Abstraction has has 45 places, 34 transitions, 145 flow [2021-03-26 00:00:01,962 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 176.75) internal successors, (707), 4 states have internal predecessors, (707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:00:01,962 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:00:01,962 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:00:01,962 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-26 00:00:01,962 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:00:01,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:00:01,963 INFO L82 PathProgramCache]: Analyzing trace with hash -264634310, now seen corresponding path program 1 times [2021-03-26 00:00:01,963 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:00:01,963 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041697142] [2021-03-26 00:00:01,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:00:02,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:00:02,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:00:02,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:00:02,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:00:02,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:00:02,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:00:02,065 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041697142] [2021-03-26 00:00:02,065 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:00:02,066 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 00:00:02,066 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929474099] [2021-03-26 00:00:02,066 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 00:00:02,066 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:00:02,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 00:00:02,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 00:00:02,067 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 209 [2021-03-26 00:00:02,069 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 34 transitions, 145 flow. Second operand has 3 states, 3 states have (on average 184.0) internal successors, (552), 3 states have internal predecessors, (552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:00:02,069 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:00:02,069 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 209 [2021-03-26 00:00:02,069 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:00:02,115 INFO L129 PetriNetUnfolder]: 150/288 cut-off events. [2021-03-26 00:00:02,116 INFO L130 PetriNetUnfolder]: For 415/527 co-relation queries the response was YES. [2021-03-26 00:00:02,117 INFO L84 FinitePrefix]: Finished finitePrefix Result has 869 conditions, 288 events. 150/288 cut-off events. For 415/527 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 1423 event pairs, 83 based on Foata normal form. 19/271 useless extension candidates. Maximal degree in co-relation 853. Up to 212 conditions per place. [2021-03-26 00:00:02,118 INFO L132 encePairwiseOnDemand]: 206/209 looper letters, 3 selfloop transitions, 3 changer transitions 0/31 dead transitions. [2021-03-26 00:00:02,118 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 31 transitions, 139 flow [2021-03-26 00:00:02,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 00:00:02,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 00:00:02,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 555 transitions. [2021-03-26 00:00:02,120 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8851674641148325 [2021-03-26 00:00:02,120 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 555 transitions. [2021-03-26 00:00:02,121 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 555 transitions. [2021-03-26 00:00:02,121 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:00:02,121 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 555 transitions. [2021-03-26 00:00:02,122 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 185.0) internal successors, (555), 3 states have internal predecessors, (555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:00:02,124 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 209.0) internal successors, (836), 4 states have internal predecessors, (836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:00:02,124 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 209.0) internal successors, (836), 4 states have internal predecessors, (836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:00:02,124 INFO L185 Difference]: Start difference. First operand has 45 places, 34 transitions, 145 flow. Second operand 3 states and 555 transitions. [2021-03-26 00:00:02,124 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 31 transitions, 139 flow [2021-03-26 00:00:02,128 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 31 transitions, 132 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-03-26 00:00:02,129 INFO L241 Difference]: Finished difference. Result has 44 places, 31 transitions, 131 flow [2021-03-26 00:00:02,129 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=120, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=131, PETRI_PLACES=44, PETRI_TRANSITIONS=31} [2021-03-26 00:00:02,130 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, -13 predicate places. [2021-03-26 00:00:02,130 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:00:02,130 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 44 places, 31 transitions, 131 flow [2021-03-26 00:00:02,130 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 44 places, 31 transitions, 131 flow [2021-03-26 00:00:02,130 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 44 places, 31 transitions, 131 flow [2021-03-26 00:00:02,156 INFO L129 PetriNetUnfolder]: 150/287 cut-off events. [2021-03-26 00:00:02,156 INFO L130 PetriNetUnfolder]: For 313/383 co-relation queries the response was YES. [2021-03-26 00:00:02,157 INFO L84 FinitePrefix]: Finished finitePrefix Result has 829 conditions, 287 events. 150/287 cut-off events. For 313/383 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 1423 event pairs, 83 based on Foata normal form. 0/253 useless extension candidates. Maximal degree in co-relation 815. Up to 212 conditions per place. [2021-03-26 00:00:02,160 INFO L142 LiptonReduction]: Number of co-enabled transitions 404 [2021-03-26 00:00:02,338 INFO L154 LiptonReduction]: Checked pairs total: 272 [2021-03-26 00:00:02,338 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 00:00:02,338 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 208 [2021-03-26 00:00:02,339 INFO L480 AbstractCegarLoop]: Abstraction has has 44 places, 31 transitions, 131 flow [2021-03-26 00:00:02,339 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 184.0) internal successors, (552), 3 states have internal predecessors, (552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:00:02,340 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:00:02,340 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:00:02,340 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-26 00:00:02,340 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:00:02,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:00:02,340 INFO L82 PathProgramCache]: Analyzing trace with hash -490573442, now seen corresponding path program 1 times [2021-03-26 00:00:02,341 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:00:02,343 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319535471] [2021-03-26 00:00:02,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:00:02,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:00:02,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:00:02,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:00:02,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:00:02,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:00:02,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:00:02,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:00:02,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:00:02,409 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319535471] [2021-03-26 00:00:02,411 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:00:02,411 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 00:00:02,411 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062578535] [2021-03-26 00:00:02,412 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 00:00:02,413 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:00:02,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 00:00:02,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 00:00:02,414 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 209 [2021-03-26 00:00:02,415 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 31 transitions, 131 flow. Second operand has 4 states, 4 states have (on average 178.0) internal successors, (712), 4 states have internal predecessors, (712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:00:02,415 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:00:02,415 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 209 [2021-03-26 00:00:02,415 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:00:02,481 INFO L129 PetriNetUnfolder]: 304/559 cut-off events. [2021-03-26 00:00:02,481 INFO L130 PetriNetUnfolder]: For 1033/1259 co-relation queries the response was YES. [2021-03-26 00:00:02,483 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1636 conditions, 559 events. 304/559 cut-off events. For 1033/1259 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 3256 event pairs, 170 based on Foata normal form. 28/507 useless extension candidates. Maximal degree in co-relation 1620. Up to 430 conditions per place. [2021-03-26 00:00:02,485 INFO L132 encePairwiseOnDemand]: 206/209 looper letters, 3 selfloop transitions, 2 changer transitions 0/32 dead transitions. [2021-03-26 00:00:02,485 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 32 transitions, 143 flow [2021-03-26 00:00:02,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 00:00:02,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 00:00:02,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 714 transitions. [2021-03-26 00:00:02,487 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.854066985645933 [2021-03-26 00:00:02,487 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 714 transitions. [2021-03-26 00:00:02,487 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 714 transitions. [2021-03-26 00:00:02,488 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:00:02,488 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 714 transitions. [2021-03-26 00:00:02,490 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 178.5) internal successors, (714), 4 states have internal predecessors, (714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:00:02,491 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 209.0) internal successors, (1045), 5 states have internal predecessors, (1045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:00:02,491 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 209.0) internal successors, (1045), 5 states have internal predecessors, (1045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:00:02,491 INFO L185 Difference]: Start difference. First operand has 44 places, 31 transitions, 131 flow. Second operand 4 states and 714 transitions. [2021-03-26 00:00:02,491 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 32 transitions, 143 flow [2021-03-26 00:00:02,492 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 32 transitions, 138 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-03-26 00:00:02,493 INFO L241 Difference]: Finished difference. Result has 48 places, 32 transitions, 139 flow [2021-03-26 00:00:02,493 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=126, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=139, PETRI_PLACES=48, PETRI_TRANSITIONS=32} [2021-03-26 00:00:02,493 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, -9 predicate places. [2021-03-26 00:00:02,493 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:00:02,493 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 48 places, 32 transitions, 139 flow [2021-03-26 00:00:02,494 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 48 places, 32 transitions, 139 flow [2021-03-26 00:00:02,494 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 48 places, 32 transitions, 139 flow [2021-03-26 00:00:02,540 INFO L129 PetriNetUnfolder]: 304/558 cut-off events. [2021-03-26 00:00:02,540 INFO L130 PetriNetUnfolder]: For 624/705 co-relation queries the response was YES. [2021-03-26 00:00:02,542 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1640 conditions, 558 events. 304/558 cut-off events. For 624/705 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 3302 event pairs, 170 based on Foata normal form. 0/480 useless extension candidates. Maximal degree in co-relation 1624. Up to 430 conditions per place. [2021-03-26 00:00:02,547 INFO L142 LiptonReduction]: Number of co-enabled transitions 428 [2021-03-26 00:00:02,562 INFO L154 LiptonReduction]: Checked pairs total: 196 [2021-03-26 00:00:02,562 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 00:00:02,562 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 69 [2021-03-26 00:00:02,563 INFO L480 AbstractCegarLoop]: Abstraction has has 48 places, 32 transitions, 139 flow [2021-03-26 00:00:02,563 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 178.0) internal successors, (712), 4 states have internal predecessors, (712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:00:02,563 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:00:02,563 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:00:02,564 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-26 00:00:02,564 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:00:02,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:00:02,564 INFO L82 PathProgramCache]: Analyzing trace with hash 205147660, now seen corresponding path program 2 times [2021-03-26 00:00:02,564 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:00:02,564 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671886457] [2021-03-26 00:00:02,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:00:02,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:00:02,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:00:02,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:00:02,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:00:02,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:00:02,646 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-03-26 00:00:02,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 00:00:02,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:00:02,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:00:02,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:00:02,655 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671886457] [2021-03-26 00:00:02,655 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:00:02,655 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 00:00:02,655 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178472219] [2021-03-26 00:00:02,656 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 00:00:02,656 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:00:02,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 00:00:02,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 00:00:02,657 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 209 [2021-03-26 00:00:02,658 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 32 transitions, 139 flow. Second operand has 5 states, 5 states have (on average 176.8) internal successors, (884), 5 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:00:02,658 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:00:02,658 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 209 [2021-03-26 00:00:02,658 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:00:02,758 INFO L129 PetriNetUnfolder]: 265/517 cut-off events. [2021-03-26 00:00:02,759 INFO L130 PetriNetUnfolder]: For 552/983 co-relation queries the response was YES. [2021-03-26 00:00:02,760 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1956 conditions, 517 events. 265/517 cut-off events. For 552/983 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 2889 event pairs, 59 based on Foata normal form. 71/524 useless extension candidates. Maximal degree in co-relation 1938. Up to 420 conditions per place. [2021-03-26 00:00:02,761 INFO L132 encePairwiseOnDemand]: 202/209 looper letters, 6 selfloop transitions, 9 changer transitions 9/45 dead transitions. [2021-03-26 00:00:02,761 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 45 transitions, 263 flow [2021-03-26 00:00:02,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 00:00:02,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 00:00:02,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1082 transitions. [2021-03-26 00:00:02,765 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8628389154704944 [2021-03-26 00:00:02,765 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1082 transitions. [2021-03-26 00:00:02,765 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1082 transitions. [2021-03-26 00:00:02,765 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:00:02,765 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1082 transitions. [2021-03-26 00:00:02,767 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 180.33333333333334) internal successors, (1082), 6 states have internal predecessors, (1082), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:00:02,769 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 209.0) internal successors, (1463), 7 states have internal predecessors, (1463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:00:02,770 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 209.0) internal successors, (1463), 7 states have internal predecessors, (1463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:00:02,770 INFO L185 Difference]: Start difference. First operand has 48 places, 32 transitions, 139 flow. Second operand 6 states and 1082 transitions. [2021-03-26 00:00:02,770 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 45 transitions, 263 flow [2021-03-26 00:00:02,771 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 45 transitions, 262 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 00:00:02,774 INFO L241 Difference]: Finished difference. Result has 55 places, 36 transitions, 210 flow [2021-03-26 00:00:02,774 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=138, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=210, PETRI_PLACES=55, PETRI_TRANSITIONS=36} [2021-03-26 00:00:02,774 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, -2 predicate places. [2021-03-26 00:00:02,774 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:00:02,774 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 55 places, 36 transitions, 210 flow [2021-03-26 00:00:02,774 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 55 places, 36 transitions, 210 flow [2021-03-26 00:00:02,775 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 53 places, 36 transitions, 210 flow [2021-03-26 00:00:02,807 INFO L129 PetriNetUnfolder]: 200/401 cut-off events. [2021-03-26 00:00:02,807 INFO L130 PetriNetUnfolder]: For 1137/1434 co-relation queries the response was YES. [2021-03-26 00:00:02,808 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1797 conditions, 401 events. 200/401 cut-off events. For 1137/1434 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 2255 event pairs, 55 based on Foata normal form. 6/364 useless extension candidates. Maximal degree in co-relation 1777. Up to 304 conditions per place. [2021-03-26 00:00:02,812 INFO L142 LiptonReduction]: Number of co-enabled transitions 500 [2021-03-26 00:00:02,977 INFO L154 LiptonReduction]: Checked pairs total: 250 [2021-03-26 00:00:02,977 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 00:00:02,977 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 203 [2021-03-26 00:00:02,978 INFO L480 AbstractCegarLoop]: Abstraction has has 53 places, 36 transitions, 210 flow [2021-03-26 00:00:02,979 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 176.8) internal successors, (884), 5 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:00:02,979 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:00:02,979 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:00:02,979 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-26 00:00:02,979 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:00:02,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:00:02,980 INFO L82 PathProgramCache]: Analyzing trace with hash 1978583396, now seen corresponding path program 1 times [2021-03-26 00:00:02,980 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:00:02,980 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114249542] [2021-03-26 00:00:02,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:00:03,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:00:03,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:00:03,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:00:03,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:00:03,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:00:03,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:00:03,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:00:03,075 INFO L142 QuantifierPusher]: treesize reduction 19, result has 32.1 percent of original size [2021-03-26 00:00:03,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 00:00:03,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:00:03,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:00:03,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:00:03,085 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114249542] [2021-03-26 00:00:03,085 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:00:03,085 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 00:00:03,085 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436039915] [2021-03-26 00:00:03,086 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 00:00:03,086 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:00:03,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 00:00:03,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-26 00:00:03,087 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 209 [2021-03-26 00:00:03,090 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 36 transitions, 210 flow. Second operand has 6 states, 6 states have (on average 176.83333333333334) internal successors, (1061), 6 states have internal predecessors, (1061), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:00:03,090 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:00:03,090 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 209 [2021-03-26 00:00:03,090 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:00:03,188 INFO L129 PetriNetUnfolder]: 141/311 cut-off events. [2021-03-26 00:00:03,188 INFO L130 PetriNetUnfolder]: For 846/1382 co-relation queries the response was YES. [2021-03-26 00:00:03,189 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1648 conditions, 311 events. 141/311 cut-off events. For 846/1382 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 1541 event pairs, 8 based on Foata normal form. 77/353 useless extension candidates. Maximal degree in co-relation 1626. Up to 256 conditions per place. [2021-03-26 00:00:03,190 INFO L132 encePairwiseOnDemand]: 202/209 looper letters, 6 selfloop transitions, 13 changer transitions 9/49 dead transitions. [2021-03-26 00:00:03,190 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 49 transitions, 392 flow [2021-03-26 00:00:03,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 00:00:03,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 00:00:03,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1262 transitions. [2021-03-26 00:00:03,193 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8626110731373889 [2021-03-26 00:00:03,193 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1262 transitions. [2021-03-26 00:00:03,194 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1262 transitions. [2021-03-26 00:00:03,194 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:00:03,194 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1262 transitions. [2021-03-26 00:00:03,197 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 180.28571428571428) internal successors, (1262), 7 states have internal predecessors, (1262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:00:03,199 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 209.0) internal successors, (1672), 8 states have internal predecessors, (1672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:00:03,199 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 209.0) internal successors, (1672), 8 states have internal predecessors, (1672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:00:03,199 INFO L185 Difference]: Start difference. First operand has 53 places, 36 transitions, 210 flow. Second operand 7 states and 1262 transitions. [2021-03-26 00:00:03,199 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 49 transitions, 392 flow [2021-03-26 00:00:03,204 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 49 transitions, 330 flow, removed 26 selfloop flow, removed 4 redundant places. [2021-03-26 00:00:03,206 INFO L241 Difference]: Finished difference. Result has 58 places, 40 transitions, 260 flow [2021-03-26 00:00:03,206 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=172, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=260, PETRI_PLACES=58, PETRI_TRANSITIONS=40} [2021-03-26 00:00:03,206 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, 1 predicate places. [2021-03-26 00:00:03,206 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:00:03,206 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 58 places, 40 transitions, 260 flow [2021-03-26 00:00:03,207 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 58 places, 40 transitions, 260 flow [2021-03-26 00:00:03,207 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 56 places, 40 transitions, 260 flow [2021-03-26 00:00:03,229 INFO L129 PetriNetUnfolder]: 97/225 cut-off events. [2021-03-26 00:00:03,229 INFO L130 PetriNetUnfolder]: For 688/831 co-relation queries the response was YES. [2021-03-26 00:00:03,230 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1027 conditions, 225 events. 97/225 cut-off events. For 688/831 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1097 event pairs, 8 based on Foata normal form. 9/207 useless extension candidates. Maximal degree in co-relation 1006. Up to 161 conditions per place. [2021-03-26 00:00:03,232 INFO L142 LiptonReduction]: Number of co-enabled transitions 488 [2021-03-26 00:00:03,240 INFO L154 LiptonReduction]: Checked pairs total: 247 [2021-03-26 00:00:03,240 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 00:00:03,240 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 34 [2021-03-26 00:00:03,241 INFO L480 AbstractCegarLoop]: Abstraction has has 56 places, 40 transitions, 260 flow [2021-03-26 00:00:03,242 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 176.83333333333334) internal successors, (1061), 6 states have internal predecessors, (1061), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:00:03,242 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:00:03,242 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] [2021-03-26 00:00:03,242 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-26 00:00:03,242 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:00:03,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:00:03,243 INFO L82 PathProgramCache]: Analyzing trace with hash 1023038060, now seen corresponding path program 1 times [2021-03-26 00:00:03,243 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:00:03,243 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127707858] [2021-03-26 00:00:03,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:00:03,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:00:03,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:00:03,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:00:03,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:00:03,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:00:03,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:00:03,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:00:03,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:00:03,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:00:03,408 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-03-26 00:00:03,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 00:00:03,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:00:03,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:00:03,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:00:03,419 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127707858] [2021-03-26 00:00:03,419 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:00:03,419 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 00:00:03,419 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078319166] [2021-03-26 00:00:03,420 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 00:00:03,420 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:00:03,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 00:00:03,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 00:00:03,421 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 209 [2021-03-26 00:00:03,422 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 40 transitions, 260 flow. Second operand has 7 states, 7 states have (on average 176.85714285714286) internal successors, (1238), 7 states have internal predecessors, (1238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:00:03,422 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:00:03,422 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 209 [2021-03-26 00:00:03,422 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:00:03,502 INFO L129 PetriNetUnfolder]: 77/184 cut-off events. [2021-03-26 00:00:03,502 INFO L130 PetriNetUnfolder]: For 631/1097 co-relation queries the response was YES. [2021-03-26 00:00:03,503 INFO L84 FinitePrefix]: Finished finitePrefix Result has 977 conditions, 184 events. 77/184 cut-off events. For 631/1097 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 755 event pairs, 0 based on Foata normal form. 65/220 useless extension candidates. Maximal degree in co-relation 954. Up to 143 conditions per place. [2021-03-26 00:00:03,503 INFO L132 encePairwiseOnDemand]: 202/209 looper letters, 2 selfloop transitions, 17 changer transitions 7/45 dead transitions. [2021-03-26 00:00:03,504 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 45 transitions, 364 flow [2021-03-26 00:00:03,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 00:00:03,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 00:00:03,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1434 transitions. [2021-03-26 00:00:03,507 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8576555023923444 [2021-03-26 00:00:03,507 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1434 transitions. [2021-03-26 00:00:03,507 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1434 transitions. [2021-03-26 00:00:03,508 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:00:03,508 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1434 transitions. [2021-03-26 00:00:03,511 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 179.25) internal successors, (1434), 8 states have internal predecessors, (1434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:00:03,514 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 209.0) internal successors, (1881), 9 states have internal predecessors, (1881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:00:03,515 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 209.0) internal successors, (1881), 9 states have internal predecessors, (1881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:00:03,515 INFO L185 Difference]: Start difference. First operand has 56 places, 40 transitions, 260 flow. Second operand 8 states and 1434 transitions. [2021-03-26 00:00:03,515 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 45 transitions, 364 flow [2021-03-26 00:00:03,518 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 45 transitions, 292 flow, removed 25 selfloop flow, removed 7 redundant places. [2021-03-26 00:00:03,519 INFO L241 Difference]: Finished difference. Result has 59 places, 38 transitions, 234 flow [2021-03-26 00:00:03,520 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=196, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=234, PETRI_PLACES=59, PETRI_TRANSITIONS=38} [2021-03-26 00:00:03,520 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, 2 predicate places. [2021-03-26 00:00:03,520 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:00:03,520 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 59 places, 38 transitions, 234 flow [2021-03-26 00:00:03,521 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 59 places, 38 transitions, 234 flow [2021-03-26 00:00:03,521 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 57 places, 38 transitions, 234 flow [2021-03-26 00:00:03,529 INFO L129 PetriNetUnfolder]: 33/86 cut-off events. [2021-03-26 00:00:03,529 INFO L130 PetriNetUnfolder]: For 164/186 co-relation queries the response was YES. [2021-03-26 00:00:03,530 INFO L84 FinitePrefix]: Finished finitePrefix Result has 314 conditions, 86 events. 33/86 cut-off events. For 164/186 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 286 event pairs, 0 based on Foata normal form. 1/77 useless extension candidates. Maximal degree in co-relation 294. Up to 35 conditions per place. [2021-03-26 00:00:03,530 INFO L142 LiptonReduction]: Number of co-enabled transitions 346 [2021-03-26 00:00:03,955 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-03-26 00:00:04,101 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-03-26 00:00:04,233 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-03-26 00:00:04,347 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-03-26 00:00:04,499 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2021-03-26 00:00:04,661 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2021-03-26 00:00:04,667 INFO L154 LiptonReduction]: Checked pairs total: 678 [2021-03-26 00:00:04,667 INFO L156 LiptonReduction]: Total number of compositions: 5 [2021-03-26 00:00:04,667 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1147 [2021-03-26 00:00:04,668 INFO L480 AbstractCegarLoop]: Abstraction has has 53 places, 34 transitions, 228 flow [2021-03-26 00:00:04,669 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 176.85714285714286) internal successors, (1238), 7 states have internal predecessors, (1238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:00:04,669 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:00:04,669 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:00:04,669 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-26 00:00:04,669 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:00:04,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:00:04,669 INFO L82 PathProgramCache]: Analyzing trace with hash -1907178853, now seen corresponding path program 1 times [2021-03-26 00:00:04,669 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:00:04,669 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632889584] [2021-03-26 00:00:04,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:00:04,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:00:04,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:00:04,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:00:04,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:00:04,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:00:04,722 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-03-26 00:00:04,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 00:00:04,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:00:04,735 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632889584] [2021-03-26 00:00:04,735 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:00:04,735 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 00:00:04,735 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718883018] [2021-03-26 00:00:04,735 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 00:00:04,735 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:00:04,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 00:00:04,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 00:00:04,736 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 214 [2021-03-26 00:00:04,737 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 34 transitions, 228 flow. Second operand has 4 states, 4 states have (on average 166.5) internal successors, (666), 4 states have internal predecessors, (666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:00:04,737 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:00:04,737 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 214 [2021-03-26 00:00:04,737 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:00:04,819 INFO L129 PetriNetUnfolder]: 138/307 cut-off events. [2021-03-26 00:00:04,819 INFO L130 PetriNetUnfolder]: For 799/913 co-relation queries the response was YES. [2021-03-26 00:00:04,821 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1093 conditions, 307 events. 138/307 cut-off events. For 799/913 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 1510 event pairs, 10 based on Foata normal form. 18/298 useless extension candidates. Maximal degree in co-relation 1071. Up to 106 conditions per place. [2021-03-26 00:00:04,822 INFO L132 encePairwiseOnDemand]: 205/214 looper letters, 11 selfloop transitions, 11 changer transitions 0/47 dead transitions. [2021-03-26 00:00:04,822 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 47 transitions, 318 flow [2021-03-26 00:00:04,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 00:00:04,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 00:00:04,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 843 transitions. [2021-03-26 00:00:04,825 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7878504672897196 [2021-03-26 00:00:04,825 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 843 transitions. [2021-03-26 00:00:04,825 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 843 transitions. [2021-03-26 00:00:04,826 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:00:04,826 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 843 transitions. [2021-03-26 00:00:04,828 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 168.6) internal successors, (843), 5 states have internal predecessors, (843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:00:04,830 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 214.0) internal successors, (1284), 6 states have internal predecessors, (1284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:00:04,830 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 214.0) internal successors, (1284), 6 states have internal predecessors, (1284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:00:04,830 INFO L185 Difference]: Start difference. First operand has 53 places, 34 transitions, 228 flow. Second operand 5 states and 843 transitions. [2021-03-26 00:00:04,830 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 47 transitions, 318 flow [2021-03-26 00:00:04,835 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 47 transitions, 248 flow, removed 19 selfloop flow, removed 9 redundant places. [2021-03-26 00:00:04,835 INFO L241 Difference]: Finished difference. Result has 51 places, 43 transitions, 252 flow [2021-03-26 00:00:04,836 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=160, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=252, PETRI_PLACES=51, PETRI_TRANSITIONS=43} [2021-03-26 00:00:04,836 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, -6 predicate places. [2021-03-26 00:00:04,836 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:00:04,836 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 51 places, 43 transitions, 252 flow [2021-03-26 00:00:04,836 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 51 places, 43 transitions, 252 flow [2021-03-26 00:00:04,837 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 51 places, 43 transitions, 252 flow [2021-03-26 00:00:04,866 INFO L129 PetriNetUnfolder]: 143/309 cut-off events. [2021-03-26 00:00:04,866 INFO L130 PetriNetUnfolder]: For 415/479 co-relation queries the response was YES. [2021-03-26 00:00:04,867 INFO L84 FinitePrefix]: Finished finitePrefix Result has 944 conditions, 309 events. 143/309 cut-off events. For 415/479 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 1574 event pairs, 9 based on Foata normal form. 10/292 useless extension candidates. Maximal degree in co-relation 926. Up to 96 conditions per place. [2021-03-26 00:00:04,870 INFO L142 LiptonReduction]: Number of co-enabled transitions 364 [2021-03-26 00:00:05,031 INFO L154 LiptonReduction]: Checked pairs total: 123 [2021-03-26 00:00:05,031 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 00:00:05,032 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 196 [2021-03-26 00:00:05,032 INFO L480 AbstractCegarLoop]: Abstraction has has 51 places, 43 transitions, 252 flow [2021-03-26 00:00:05,033 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 166.5) internal successors, (666), 4 states have internal predecessors, (666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:00:05,033 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:00:05,033 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] [2021-03-26 00:00:05,033 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-26 00:00:05,033 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:00:05,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:00:05,033 INFO L82 PathProgramCache]: Analyzing trace with hash -748998113, now seen corresponding path program 1 times [2021-03-26 00:00:05,033 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:00:05,034 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153853706] [2021-03-26 00:00:05,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:00:05,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:00:05,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:00:05,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:00:05,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:00:05,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:00:05,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:00:05,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:00:05,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:00:05,093 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153853706] [2021-03-26 00:00:05,093 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:00:05,093 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 00:00:05,093 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508289275] [2021-03-26 00:00:05,094 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 00:00:05,094 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:00:05,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 00:00:05,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 00:00:05,096 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 214 [2021-03-26 00:00:05,096 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 43 transitions, 252 flow. Second operand has 4 states, 4 states have (on average 186.0) internal successors, (744), 4 states have internal predecessors, (744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:00:05,096 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:00:05,096 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 214 [2021-03-26 00:00:05,096 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:00:05,198 INFO L129 PetriNetUnfolder]: 179/391 cut-off events. [2021-03-26 00:00:05,198 INFO L130 PetriNetUnfolder]: For 662/739 co-relation queries the response was YES. [2021-03-26 00:00:05,200 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1206 conditions, 391 events. 179/391 cut-off events. For 662/739 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 2071 event pairs, 10 based on Foata normal form. 15/372 useless extension candidates. Maximal degree in co-relation 1186. Up to 122 conditions per place. [2021-03-26 00:00:05,200 INFO L132 encePairwiseOnDemand]: 211/214 looper letters, 3 selfloop transitions, 1 changer transitions 9/44 dead transitions. [2021-03-26 00:00:05,200 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 44 transitions, 270 flow [2021-03-26 00:00:05,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 00:00:05,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 00:00:05,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 746 transitions. [2021-03-26 00:00:05,203 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8714953271028038 [2021-03-26 00:00:05,203 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 746 transitions. [2021-03-26 00:00:05,203 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 746 transitions. [2021-03-26 00:00:05,203 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:00:05,203 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 746 transitions. [2021-03-26 00:00:05,205 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 186.5) internal successors, (746), 4 states have internal predecessors, (746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:00:05,206 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 214.0) internal successors, (1070), 5 states have internal predecessors, (1070), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:00:05,207 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 214.0) internal successors, (1070), 5 states have internal predecessors, (1070), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:00:05,207 INFO L185 Difference]: Start difference. First operand has 51 places, 43 transitions, 252 flow. Second operand 4 states and 746 transitions. [2021-03-26 00:00:05,207 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 44 transitions, 270 flow [2021-03-26 00:00:05,212 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 44 transitions, 270 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-26 00:00:05,213 INFO L241 Difference]: Finished difference. Result has 56 places, 35 transitions, 200 flow [2021-03-26 00:00:05,213 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=252, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=200, PETRI_PLACES=56, PETRI_TRANSITIONS=35} [2021-03-26 00:00:05,214 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, -1 predicate places. [2021-03-26 00:00:05,214 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:00:05,214 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 56 places, 35 transitions, 200 flow [2021-03-26 00:00:05,214 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 56 places, 35 transitions, 200 flow [2021-03-26 00:00:05,214 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 55 places, 35 transitions, 200 flow [2021-03-26 00:00:05,227 INFO L129 PetriNetUnfolder]: 57/149 cut-off events. [2021-03-26 00:00:05,227 INFO L130 PetriNetUnfolder]: For 254/266 co-relation queries the response was YES. [2021-03-26 00:00:05,228 INFO L84 FinitePrefix]: Finished finitePrefix Result has 466 conditions, 149 events. 57/149 cut-off events. For 254/266 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 686 event pairs, 2 based on Foata normal form. 5/144 useless extension candidates. Maximal degree in co-relation 445. Up to 52 conditions per place. [2021-03-26 00:00:05,228 INFO L142 LiptonReduction]: Number of co-enabled transitions 114 [2021-03-26 00:00:05,983 WARN L205 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 180 [2021-03-26 00:00:06,535 WARN L205 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 177 [2021-03-26 00:00:07,804 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 304 DAG size of output: 259 [2021-03-26 00:00:08,386 WARN L205 SmtUtils]: Spent 580.00 ms on a formula simplification that was a NOOP. DAG size: 256 [2021-03-26 00:00:09,097 WARN L205 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 172 [2021-03-26 00:00:09,637 WARN L205 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 169 [2021-03-26 00:00:10,996 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 296 DAG size of output: 252 [2021-03-26 00:00:11,572 WARN L205 SmtUtils]: Spent 574.00 ms on a formula simplification that was a NOOP. DAG size: 249 [2021-03-26 00:00:12,126 WARN L205 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 165 [2021-03-26 00:00:12,255 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2021-03-26 00:00:13,151 WARN L205 SmtUtils]: Spent 895.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 230 [2021-03-26 00:00:13,429 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-03-26 00:00:13,469 INFO L154 LiptonReduction]: Checked pairs total: 224 [2021-03-26 00:00:13,470 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 00:00:13,470 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8256 [2021-03-26 00:00:13,470 INFO L480 AbstractCegarLoop]: Abstraction has has 53 places, 33 transitions, 196 flow [2021-03-26 00:00:13,471 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 186.0) internal successors, (744), 4 states have internal predecessors, (744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:00:13,471 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:00:13,471 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] [2021-03-26 00:00:13,471 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-26 00:00:13,471 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:00:13,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:00:13,471 INFO L82 PathProgramCache]: Analyzing trace with hash -1009468201, now seen corresponding path program 2 times [2021-03-26 00:00:13,471 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:00:13,472 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427662057] [2021-03-26 00:00:13,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:00:13,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-26 00:00:13,511 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-26 00:00:13,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-26 00:00:13,551 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-26 00:00:13,579 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-26 00:00:13,579 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-26 00:00:13,579 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-26 00:00:13,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.03 12:00:13 BasicIcfg [2021-03-26 00:00:13,676 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-26 00:00:13,677 INFO L168 Benchmark]: Toolchain (without parser) took 22902.59 ms. Allocated memory was 255.9 MB in the beginning and 824.2 MB in the end (delta: 568.3 MB). Free memory was 229.0 MB in the beginning and 502.3 MB in the end (delta: -273.3 MB). Peak memory consumption was 295.0 MB. Max. memory is 16.0 GB. [2021-03-26 00:00:13,677 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 255.9 MB. Free memory is still 237.3 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 00:00:13,677 INFO L168 Benchmark]: CACSL2BoogieTranslator took 626.94 ms. Allocated memory was 255.9 MB in the beginning and 434.1 MB in the end (delta: 178.3 MB). Free memory was 229.0 MB in the beginning and 392.2 MB in the end (delta: -163.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. [2021-03-26 00:00:13,677 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.96 ms. Allocated memory is still 434.1 MB. Free memory was 392.2 MB in the beginning and 389.2 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-03-26 00:00:13,678 INFO L168 Benchmark]: Boogie Preprocessor took 49.48 ms. Allocated memory is still 434.1 MB. Free memory was 389.2 MB in the beginning and 386.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-26 00:00:13,678 INFO L168 Benchmark]: RCFGBuilder took 2042.20 ms. Allocated memory is still 434.1 MB. Free memory was 386.7 MB in the beginning and 223.4 MB in the end (delta: 163.3 MB). Peak memory consumption was 166.2 MB. Max. memory is 16.0 GB. [2021-03-26 00:00:13,678 INFO L168 Benchmark]: TraceAbstraction took 20093.90 ms. Allocated memory was 434.1 MB in the beginning and 824.2 MB in the end (delta: 390.1 MB). Free memory was 223.4 MB in the beginning and 502.3 MB in the end (delta: -278.9 MB). Peak memory consumption was 112.2 MB. Max. memory is 16.0 GB. [2021-03-26 00:00:13,679 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 255.9 MB. Free memory is still 237.3 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 626.94 ms. Allocated memory was 255.9 MB in the beginning and 434.1 MB in the end (delta: 178.3 MB). Free memory was 229.0 MB in the beginning and 392.2 MB in the end (delta: -163.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 79.96 ms. Allocated memory is still 434.1 MB. Free memory was 392.2 MB in the beginning and 389.2 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 49.48 ms. Allocated memory is still 434.1 MB. Free memory was 389.2 MB in the beginning and 386.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 2042.20 ms. Allocated memory is still 434.1 MB. Free memory was 386.7 MB in the beginning and 223.4 MB in the end (delta: 163.3 MB). Peak memory consumption was 166.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 20093.90 ms. Allocated memory was 434.1 MB in the beginning and 824.2 MB in the end (delta: 390.1 MB). Free memory was 223.4 MB in the beginning and 502.3 MB in the end (delta: -278.9 MB). Peak memory consumption was 112.2 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3437.0ms, 124 PlacesBefore, 57 PlacesAfterwards, 113 TransitionsBefore, 45 TransitionsAfterwards, 2502 CoEnabledTransitionPairs, 5 FixpointIterations, 32 TrivialSequentialCompositions, 40 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 1 ChoiceCompositions, 76 TotalNumberOfCompositions, 4392 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2307, positive: 2208, positive conditional: 2208, positive unconditional: 0, negative: 99, negative conditional: 99, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1703, positive: 1660, positive conditional: 0, positive unconditional: 1660, negative: 43, negative conditional: 0, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1703, positive: 1660, positive conditional: 0, positive unconditional: 1660, negative: 43, negative conditional: 0, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1703, positive: 1649, positive conditional: 0, positive unconditional: 1649, negative: 54, negative conditional: 0, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 54, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 43, negative conditional: 0, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 571, positive: 32, positive conditional: 0, positive unconditional: 32, negative: 539, negative conditional: 0, negative unconditional: 539, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2307, positive: 548, positive conditional: 548, positive unconditional: 0, negative: 56, negative conditional: 56, negative unconditional: 0, unknown: 1703, unknown conditional: 1703, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 168, Positive cache size: 145, Positive conditional cache size: 145, Positive unconditional cache size: 0, Negative cache size: 23, Negative conditional cache size: 23, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1613.5ms, 53 PlacesBefore, 41 PlacesAfterwards, 42 TransitionsBefore, 30 TransitionsAfterwards, 512 CoEnabledTransitionPairs, 3 FixpointIterations, 7 TrivialSequentialCompositions, 5 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 12 TotalNumberOfCompositions, 1608 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 525, positive: 442, positive conditional: 442, positive unconditional: 0, negative: 83, negative conditional: 83, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 189, positive: 157, positive conditional: 26, positive unconditional: 131, negative: 32, negative conditional: 5, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 189, positive: 157, positive conditional: 26, positive unconditional: 131, negative: 32, negative conditional: 5, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 189, positive: 152, positive conditional: 0, positive unconditional: 152, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 37, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 32, negative conditional: 5, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 537, positive: 28, positive conditional: 0, positive unconditional: 28, negative: 509, negative conditional: 144, negative unconditional: 365, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 525, positive: 285, positive conditional: 285, positive unconditional: 0, negative: 51, negative conditional: 51, negative unconditional: 0, unknown: 189, unknown conditional: 189, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 189, Positive cache size: 158, Positive conditional cache size: 158, Positive unconditional cache size: 0, Negative cache size: 31, Negative conditional cache size: 31, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1781.8ms, 44 PlacesBefore, 38 PlacesAfterwards, 29 TransitionsBefore, 26 TransitionsAfterwards, 328 CoEnabledTransitionPairs, 3 FixpointIterations, 3 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 1170 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 417, positive: 345, positive conditional: 345, positive unconditional: 0, negative: 72, negative conditional: 72, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 31, positive: 22, positive conditional: 0, positive unconditional: 22, negative: 9, negative conditional: 1, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 31, positive: 22, positive conditional: 0, positive unconditional: 22, negative: 9, negative conditional: 1, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 31, positive: 22, positive conditional: 0, positive unconditional: 22, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 9, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 9, negative conditional: 1, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 196, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 196, negative conditional: 66, negative unconditional: 130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 417, positive: 323, positive conditional: 323, positive unconditional: 0, negative: 63, negative conditional: 63, negative unconditional: 0, unknown: 31, unknown conditional: 31, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 220, Positive cache size: 180, Positive conditional cache size: 180, Positive unconditional cache size: 0, Negative cache size: 40, Negative conditional cache size: 40, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 142.4ms, 39 PlacesBefore, 39 PlacesAfterwards, 28 TransitionsBefore, 28 TransitionsAfterwards, 382 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 359 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 83, positive: 62, positive conditional: 62, positive unconditional: 0, negative: 21, negative conditional: 21, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 26, positive: 16, positive conditional: 7, positive unconditional: 9, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 26, positive: 16, positive conditional: 7, positive unconditional: 9, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 26, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 10, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 133, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 133, negative conditional: 0, negative unconditional: 133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 83, positive: 46, positive conditional: 46, positive unconditional: 0, negative: 11, negative conditional: 11, negative unconditional: 0, unknown: 26, unknown conditional: 26, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 246, Positive cache size: 196, Positive conditional cache size: 196, Positive unconditional cache size: 0, Negative cache size: 50, Negative conditional cache size: 50, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 114.2ms, 41 PlacesBefore, 40 PlacesAfterwards, 28 TransitionsBefore, 27 TransitionsAfterwards, 378 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 645 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 209, positive: 172, positive conditional: 172, positive unconditional: 0, negative: 37, negative conditional: 37, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 53, positive: 47, positive conditional: 40, positive unconditional: 7, negative: 6, negative conditional: 1, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 53, positive: 47, positive conditional: 40, positive unconditional: 7, negative: 6, negative conditional: 1, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 53, positive: 47, positive conditional: 0, positive unconditional: 47, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 1, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 74, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 74, negative conditional: 4, negative unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 209, positive: 125, positive conditional: 125, positive unconditional: 0, negative: 31, negative conditional: 31, negative unconditional: 0, unknown: 53, unknown conditional: 53, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 227, Positive cache size: 179, Positive conditional cache size: 179, Positive unconditional cache size: 0, Negative cache size: 48, Negative conditional cache size: 48, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 69.0ms, 45 PlacesBefore, 45 PlacesAfterwards, 35 TransitionsBefore, 34 TransitionsAfterwards, 480 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 622 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 179, positive: 151, positive conditional: 151, positive unconditional: 0, negative: 28, negative conditional: 28, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 43, positive: 43, positive conditional: 40, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 43, positive: 43, positive conditional: 40, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 43, positive: 43, positive conditional: 0, positive unconditional: 43, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 179, positive: 108, positive conditional: 108, positive unconditional: 0, negative: 28, negative conditional: 28, negative unconditional: 0, unknown: 43, unknown conditional: 43, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 234, Positive cache size: 190, Positive conditional cache size: 190, Positive unconditional cache size: 0, Negative cache size: 44, Negative conditional cache size: 44, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 208.0ms, 44 PlacesBefore, 44 PlacesAfterwards, 31 TransitionsBefore, 31 TransitionsAfterwards, 404 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 272 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 44, positive: 30, positive conditional: 30, positive unconditional: 0, negative: 14, negative conditional: 14, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 22, positive: 12, positive conditional: 8, positive unconditional: 4, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 22, positive: 12, positive conditional: 8, positive unconditional: 4, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 22, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 10, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 169, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 169, negative conditional: 0, negative unconditional: 169, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 44, positive: 18, positive conditional: 18, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 22, unknown conditional: 22, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 256, Positive cache size: 202, Positive conditional cache size: 202, Positive unconditional cache size: 0, Negative cache size: 54, Negative conditional cache size: 54, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 68.4ms, 48 PlacesBefore, 48 PlacesAfterwards, 32 TransitionsBefore, 32 TransitionsAfterwards, 428 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 196 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 67, positive: 57, positive conditional: 57, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 40, positive: 38, positive conditional: 18, positive unconditional: 20, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 40, positive: 38, positive conditional: 18, positive unconditional: 20, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 40, positive: 38, positive conditional: 0, positive unconditional: 38, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 10, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 67, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 40, unknown conditional: 40, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 296, Positive cache size: 240, Positive conditional cache size: 240, Positive unconditional cache size: 0, Negative cache size: 56, Negative conditional cache size: 56, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 202.9ms, 55 PlacesBefore, 53 PlacesAfterwards, 36 TransitionsBefore, 36 TransitionsAfterwards, 500 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 250 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 124, positive: 113, positive conditional: 113, positive unconditional: 0, negative: 11, negative conditional: 11, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 66, positive: 60, positive conditional: 33, positive unconditional: 27, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 66, positive: 60, positive conditional: 33, positive unconditional: 27, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 66, positive: 60, positive conditional: 0, positive unconditional: 60, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 156, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 156, negative conditional: 0, negative unconditional: 156, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 124, positive: 53, positive conditional: 53, positive unconditional: 0, negative: 5, negative conditional: 5, negative unconditional: 0, unknown: 66, unknown conditional: 66, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 362, Positive cache size: 300, Positive conditional cache size: 300, Positive unconditional cache size: 0, Negative cache size: 62, Negative conditional cache size: 62, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 33.5ms, 58 PlacesBefore, 56 PlacesAfterwards, 40 TransitionsBefore, 40 TransitionsAfterwards, 488 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 247 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 118, positive: 107, positive conditional: 107, positive unconditional: 0, negative: 11, negative conditional: 11, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 46, positive: 46, positive conditional: 42, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 46, positive: 46, positive conditional: 42, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 46, positive: 46, positive conditional: 0, positive unconditional: 46, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 118, positive: 61, positive conditional: 61, positive unconditional: 0, negative: 11, negative conditional: 11, negative unconditional: 0, unknown: 46, unknown conditional: 46, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 408, Positive cache size: 346, Positive conditional cache size: 346, Positive unconditional cache size: 0, Negative cache size: 62, Negative conditional cache size: 62, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1146.8ms, 59 PlacesBefore, 53 PlacesAfterwards, 38 TransitionsBefore, 34 TransitionsAfterwards, 346 CoEnabledTransitionPairs, 3 FixpointIterations, 2 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 5 TotalNumberOfCompositions, 678 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 369, positive: 330, positive conditional: 330, positive unconditional: 0, negative: 39, negative conditional: 39, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 108, positive: 104, positive conditional: 101, positive unconditional: 3, negative: 4, negative conditional: 3, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 108, positive: 104, positive conditional: 101, positive unconditional: 3, negative: 4, negative conditional: 3, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 108, positive: 103, positive conditional: 0, positive unconditional: 103, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 5, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 4, negative conditional: 3, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 21, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 16, negative conditional: 13, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 369, positive: 226, positive conditional: 226, positive unconditional: 0, negative: 35, negative conditional: 35, negative unconditional: 0, unknown: 108, unknown conditional: 108, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 243, Positive cache size: 223, Positive conditional cache size: 223, Positive unconditional cache size: 0, Negative cache size: 20, Negative conditional cache size: 20, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 195.2ms, 51 PlacesBefore, 51 PlacesAfterwards, 43 TransitionsBefore, 43 TransitionsAfterwards, 364 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 123 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 37, positive: 30, positive conditional: 30, positive unconditional: 0, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16, positive: 13, positive conditional: 7, positive unconditional: 6, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 16, positive: 13, positive conditional: 7, positive unconditional: 6, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 16, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 154, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 154, negative conditional: 154, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 37, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 16, unknown conditional: 16, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 259, Positive cache size: 236, Positive conditional cache size: 236, Positive unconditional cache size: 0, Negative cache size: 23, Negative conditional cache size: 23, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8255.5ms, 56 PlacesBefore, 53 PlacesAfterwards, 35 TransitionsBefore, 33 TransitionsAfterwards, 114 CoEnabledTransitionPairs, 3 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 224 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 82, positive: 68, positive conditional: 68, positive unconditional: 0, negative: 14, negative conditional: 14, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 30, positive: 26, positive conditional: 24, positive unconditional: 2, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 30, positive: 26, positive conditional: 24, positive unconditional: 2, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 30, positive: 26, positive conditional: 0, positive unconditional: 26, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 153, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 153, negative conditional: 0, negative unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 82, positive: 42, positive conditional: 42, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 30, unknown conditional: 30, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 117, Positive cache size: 107, Positive conditional cache size: 107, Positive unconditional cache size: 0, Negative cache size: 10, Negative conditional cache size: 10, Negative unconditional cache size: 0 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p1_EAX = 0; [L714] 0 int __unbuffered_p2_EAX = 0; [L716] 0 int __unbuffered_p2_EBX = 0; [L718] 0 int __unbuffered_p3_EAX = 0; [L720] 0 int __unbuffered_p3_EBX = 0; [L722] 0 int a = 0; [L723] 0 _Bool main$tmp_guard0; [L724] 0 _Bool main$tmp_guard1; [L726] 0 int x = 0; [L728] 0 int y = 0; [L730] 0 int z = 0; [L731] 0 _Bool z$flush_delayed; [L732] 0 int z$mem_tmp; [L733] 0 _Bool z$r_buff0_thd0; [L734] 0 _Bool z$r_buff0_thd1; [L735] 0 _Bool z$r_buff0_thd2; [L736] 0 _Bool z$r_buff0_thd3; [L737] 0 _Bool z$r_buff0_thd4; [L738] 0 _Bool z$r_buff1_thd0; [L739] 0 _Bool z$r_buff1_thd1; [L740] 0 _Bool z$r_buff1_thd2; [L741] 0 _Bool z$r_buff1_thd3; [L742] 0 _Bool z$r_buff1_thd4; [L743] 0 _Bool z$read_delayed; [L744] 0 int *z$read_delayed_var; [L745] 0 int z$w_buff0; [L746] 0 _Bool z$w_buff0_used; [L747] 0 int z$w_buff1; [L748] 0 _Bool z$w_buff1_used; [L749] 0 _Bool weak$$choice0; [L750] 0 _Bool weak$$choice2; [L869] 0 pthread_t t149; [L870] FCALL, FORK 0 pthread_create(&t149, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L871] 0 pthread_t t150; [L872] FCALL, FORK 0 pthread_create(&t150, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L873] 0 pthread_t t151; [L874] FCALL, FORK 0 pthread_create(&t151, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L875] 0 pthread_t t152; [L876] FCALL, FORK 0 pthread_create(&t152, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L815] 4 z$w_buff1 = z$w_buff0 [L816] 4 z$w_buff0 = 1 [L817] 4 z$w_buff1_used = z$w_buff0_used [L818] 4 z$w_buff0_used = (_Bool)1 [L18] COND FALSE 4 !(!expression) [L820] 4 z$r_buff1_thd0 = z$r_buff0_thd0 [L821] 4 z$r_buff1_thd1 = z$r_buff0_thd1 [L822] 4 z$r_buff1_thd2 = z$r_buff0_thd2 [L823] 4 z$r_buff1_thd3 = z$r_buff0_thd3 [L824] 4 z$r_buff1_thd4 = z$r_buff0_thd4 [L825] 4 z$r_buff0_thd4 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L828] 4 weak$$choice0 = __VERIFIER_nondet_bool() [L829] 4 weak$$choice2 = __VERIFIER_nondet_bool() [L830] 4 z$flush_delayed = weak$$choice2 [L831] 4 z$mem_tmp = z [L832] EXPR 4 !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff1) [L832] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff1 [L832] EXPR 4 !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff1) [L832] 4 z = !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff1) [L833] EXPR 4 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff0)) [L833] 4 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff0)) [L834] EXPR 4 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff1 : z$w_buff1)) [L834] 4 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff1 : z$w_buff1)) [L835] EXPR 4 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used)) [L835] 4 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used)) [L836] EXPR 4 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L836] 4 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L837] EXPR 4 weak$$choice2 ? z$r_buff0_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff0_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4)) [L837] 4 z$r_buff0_thd4 = weak$$choice2 ? z$r_buff0_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff0_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4)) [L838] EXPR 4 weak$$choice2 ? z$r_buff1_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff1_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L838] 4 z$r_buff1_thd4 = weak$$choice2 ? z$r_buff1_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff1_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L839] 4 __unbuffered_p3_EAX = z [L840] EXPR 4 z$flush_delayed ? z$mem_tmp : z [L840] 4 z = z$flush_delayed ? z$mem_tmp : z [L841] 4 z$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=1, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L844] 4 __unbuffered_p3_EBX = a VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=1, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L754] 1 a = 1 [L757] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=1, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L769] 2 x = 2 [L772] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=1, x=2, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L762] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L764] 1 return 0; [L777] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L779] 2 return 0; [L784] 3 y = 1 [L787] 3 __unbuffered_p2_EAX = y VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=1, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L790] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L791] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L792] 3 z$flush_delayed = weak$$choice2 [L793] 3 z$mem_tmp = z [L794] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L794] 3 z = !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L795] EXPR 3 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L795] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0) [L795] EXPR 3 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L795] 3 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L796] EXPR 3 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L796] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1) [L796] EXPR 3 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L796] 3 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L797] EXPR 3 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L797] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used) [L797] EXPR 3 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L797] 3 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L798] EXPR 3 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L798] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L798] EXPR 3 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L798] 3 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L799] EXPR 3 weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L799] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3) [L799] EXPR 3 weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L799] 3 z$r_buff0_thd3 = weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L800] EXPR 3 weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L800] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L800] EXPR 3 weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L800] 3 z$r_buff1_thd3 = weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L801] 3 __unbuffered_p2_EBX = z [L802] EXPR 3 z$flush_delayed ? z$mem_tmp : z [L802] 3 z = z$flush_delayed ? z$mem_tmp : z [L803] 3 z$flush_delayed = (_Bool)0 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=3, weak$$choice2=0, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L808] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L810] 3 return 0; [L847] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L847] 4 z = z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L848] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L848] 4 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L849] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L849] 4 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L850] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L850] 4 z$r_buff0_thd4 = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L851] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L851] 4 z$r_buff1_thd4 = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L854] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L856] 4 return 0; [L878] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L3] COND FALSE 0 !(!cond) [L882] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L882] EXPR 0 z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z [L882] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L882] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L883] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L883] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L884] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L884] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L885] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L885] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L886] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L886] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L889] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p1_EAX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=3, weak$$choice2=0, x=2, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 116 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 13.2ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 19873.3ms, OverallIterations: 13, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 1004.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 3512.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 53 SDtfs, 27 SDslu, 25 SDs, 0 SdLazy, 219 SolverSat, 52 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 195.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 45 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 152.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=260occurred in iteration=9, InterpolantAutomatonStates: 56, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 48.5ms SsaConstructionTime, 455.4ms SatisfiabilityAnalysisTime, 705.6ms InterpolantComputationTime, 247 NumberOfCodeBlocks, 247 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 214 ConstructedInterpolants, 0 QuantifiedInterpolants, 697 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...