/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix029_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-0e22065b97d0a1f8b3904e080cebe0f05e88d2b7-0e22065 [2021-06-11 06:12:00,575 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-11 06:12:00,577 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-11 06:12:00,601 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-11 06:12:00,601 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-11 06:12:00,602 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-11 06:12:00,603 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-11 06:12:00,605 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-11 06:12:00,607 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-11 06:12:00,607 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-11 06:12:00,608 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-11 06:12:00,609 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-11 06:12:00,609 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-11 06:12:00,610 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-11 06:12:00,611 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-11 06:12:00,612 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-11 06:12:00,613 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-11 06:12:00,613 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-11 06:12:00,615 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-11 06:12:00,616 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-11 06:12:00,618 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-11 06:12:00,619 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-11 06:12:00,620 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-11 06:12:00,620 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-11 06:12:00,623 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-11 06:12:00,623 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-11 06:12:00,623 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-11 06:12:00,635 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-11 06:12:00,635 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-11 06:12:00,636 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-11 06:12:00,636 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-11 06:12:00,637 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-11 06:12:00,637 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-11 06:12:00,638 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-11 06:12:00,639 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-11 06:12:00,639 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-11 06:12:00,640 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-11 06:12:00,640 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-11 06:12:00,640 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-11 06:12:00,641 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-11 06:12:00,641 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-11 06:12:00,644 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbe.epf [2021-06-11 06:12:00,668 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-11 06:12:00,668 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-11 06:12:00,669 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-11 06:12:00,669 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-11 06:12:00,670 INFO L138 SettingsManager]: * Use SBE=true [2021-06-11 06:12:00,670 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-11 06:12:00,670 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-11 06:12:00,670 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-11 06:12:00,670 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-11 06:12:00,670 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-11 06:12:00,670 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-11 06:12:00,671 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-11 06:12:00,671 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-11 06:12:00,671 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-11 06:12:00,671 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-11 06:12:00,671 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-11 06:12:00,671 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-11 06:12:00,671 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-11 06:12:00,672 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-11 06:12:00,672 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-11 06:12:00,672 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-11 06:12:00,672 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-11 06:12:00,672 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-11 06:12:00,672 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-11 06:12:00,672 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-11 06:12:00,673 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-11 06:12:00,673 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-11 06:12:00,673 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-06-11 06:12:00,673 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-11 06:12:00,673 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-11 06:12:00,969 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-11 06:12:00,992 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-11 06:12:00,994 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-11 06:12:00,995 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-11 06:12:00,995 INFO L275 PluginConnector]: CDTParser initialized [2021-06-11 06:12:00,996 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix029_rmo.opt.i [2021-06-11 06:12:01,067 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccee085e7/802cf29c3dae4edd81a22a6f2d562e23/FLAG6307f752b [2021-06-11 06:12:01,600 INFO L306 CDTParser]: Found 1 translation units. [2021-06-11 06:12:01,601 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix029_rmo.opt.i [2021-06-11 06:12:01,618 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccee085e7/802cf29c3dae4edd81a22a6f2d562e23/FLAG6307f752b [2021-06-11 06:12:01,869 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccee085e7/802cf29c3dae4edd81a22a6f2d562e23 [2021-06-11 06:12:01,871 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-11 06:12:01,873 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-11 06:12:01,876 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-11 06:12:01,876 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-11 06:12:01,880 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-11 06:12:01,881 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.06 06:12:01" (1/1) ... [2021-06-11 06:12:01,882 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c01b6c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:12:01, skipping insertion in model container [2021-06-11 06:12:01,883 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.06 06:12:01" (1/1) ... [2021-06-11 06:12:01,888 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-11 06:12:01,942 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-11 06:12:02,132 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/mix029_rmo.opt.i[948,961] [2021-06-11 06:12:02,380 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-11 06:12:02,393 INFO L203 MainTranslator]: Completed pre-run [2021-06-11 06:12:02,405 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/mix029_rmo.opt.i[948,961] [2021-06-11 06:12:02,455 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-11 06:12:02,534 INFO L208 MainTranslator]: Completed translation [2021-06-11 06:12:02,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:12:02 WrapperNode [2021-06-11 06:12:02,535 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-11 06:12:02,538 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-11 06:12:02,538 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-11 06:12:02,538 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-11 06:12:02,544 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:12:02" (1/1) ... [2021-06-11 06:12:02,576 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:12:02" (1/1) ... [2021-06-11 06:12:02,617 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-11 06:12:02,618 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-11 06:12:02,618 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-11 06:12:02,618 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-11 06:12:02,625 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:12:02" (1/1) ... [2021-06-11 06:12:02,625 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:12:02" (1/1) ... [2021-06-11 06:12:02,630 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:12:02" (1/1) ... [2021-06-11 06:12:02,630 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:12:02" (1/1) ... [2021-06-11 06:12:02,638 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:12:02" (1/1) ... [2021-06-11 06:12:02,641 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:12:02" (1/1) ... [2021-06-11 06:12:02,661 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:12:02" (1/1) ... [2021-06-11 06:12:02,664 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-11 06:12:02,665 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-11 06:12:02,665 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-11 06:12:02,665 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-11 06:12:02,666 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:12:02" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-11 06:12:02,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-11 06:12:02,750 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-11 06:12:02,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-11 06:12:02,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-11 06:12:02,751 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-11 06:12:02,752 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-11 06:12:02,752 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-11 06:12:02,753 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-11 06:12:02,753 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-11 06:12:02,753 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-11 06:12:02,753 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-06-11 06:12:02,753 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-06-11 06:12:02,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-11 06:12:02,753 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-11 06:12:02,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-11 06:12:02,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-11 06:12:02,756 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-11 06:12:04,619 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-11 06:12:04,619 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-06-11 06:12:04,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 06:12:04 BoogieIcfgContainer [2021-06-11 06:12:04,621 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-11 06:12:04,622 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-11 06:12:04,622 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-11 06:12:04,625 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-11 06:12:04,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.06 06:12:01" (1/3) ... [2021-06-11 06:12:04,625 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3abd8f6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.06 06:12:04, skipping insertion in model container [2021-06-11 06:12:04,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:12:02" (2/3) ... [2021-06-11 06:12:04,626 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3abd8f6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.06 06:12:04, skipping insertion in model container [2021-06-11 06:12:04,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 06:12:04" (3/3) ... [2021-06-11 06:12:04,627 INFO L111 eAbstractionObserver]: Analyzing ICFG mix029_rmo.opt.i [2021-06-11 06:12:04,631 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-11 06:12:04,635 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-06-11 06:12:04,635 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-11 06:12:04,665 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,665 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,665 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,665 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,665 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,666 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,666 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,666 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,666 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,666 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,666 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,666 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,667 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,667 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,667 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,667 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,667 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,667 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,667 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,668 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,668 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,668 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,668 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,668 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,668 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,668 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,669 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,669 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,669 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,669 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,669 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,669 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,670 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,670 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,670 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,670 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,670 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,671 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,671 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,671 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,671 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,671 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,671 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,672 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,672 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,672 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,672 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,672 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,672 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,672 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,673 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,673 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,673 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,673 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,673 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,673 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,673 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,674 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,674 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,674 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,674 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,674 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,674 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,675 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,675 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,675 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,675 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,675 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,675 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,676 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,676 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,676 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,676 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,676 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,676 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,677 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,677 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,677 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,677 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,677 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,677 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,677 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,678 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,678 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,678 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,678 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,678 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,678 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,679 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,679 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,679 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,679 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,679 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,679 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,680 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,680 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,680 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,680 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,682 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,682 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,682 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,682 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,682 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,682 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,683 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,683 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,683 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,683 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,683 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,683 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,685 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,685 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,685 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,685 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,685 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,686 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,686 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,686 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,686 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,686 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,687 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,687 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,688 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,688 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,689 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,689 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,689 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,689 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,689 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,689 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,690 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,690 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,690 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,690 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:04,691 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-11 06:12:04,706 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-06-11 06:12:04,721 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-06-11 06:12:04,722 INFO L377 AbstractCegarLoop]: Hoare is false [2021-06-11 06:12:04,722 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-11 06:12:04,722 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-11 06:12:04,722 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-11 06:12:04,722 INFO L381 AbstractCegarLoop]: Difference is false [2021-06-11 06:12:04,722 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-11 06:12:04,722 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-11 06:12:04,731 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 127 places, 116 transitions, 252 flow [2021-06-11 06:12:04,764 INFO L129 PetriNetUnfolder]: 2/112 cut-off events. [2021-06-11 06:12:04,764 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 06:12:04,767 INFO L84 FinitePrefix]: Finished finitePrefix Result has 125 conditions, 112 events. 2/112 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 89 event pairs, 0 based on Foata normal form. 0/108 useless extension candidates. Maximal degree in co-relation 76. Up to 2 conditions per place. [2021-06-11 06:12:04,767 INFO L82 GeneralOperation]: Start removeDead. Operand has 127 places, 116 transitions, 252 flow [2021-06-11 06:12:04,771 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 123 places, 112 transitions, 236 flow [2021-06-11 06:12:04,773 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:12:04,782 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 123 places, 112 transitions, 236 flow [2021-06-11 06:12:04,785 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 123 places, 112 transitions, 236 flow [2021-06-11 06:12:04,787 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 123 places, 112 transitions, 236 flow [2021-06-11 06:12:04,805 INFO L129 PetriNetUnfolder]: 2/112 cut-off events. [2021-06-11 06:12:04,805 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 06:12:04,805 INFO L84 FinitePrefix]: Finished finitePrefix Result has 125 conditions, 112 events. 2/112 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 93 event pairs, 0 based on Foata normal form. 0/108 useless extension candidates. Maximal degree in co-relation 76. Up to 2 conditions per place. [2021-06-11 06:12:04,808 INFO L151 LiptonReduction]: Number of co-enabled transitions 2630 [2021-06-11 06:12:04,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:04,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:04,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:04,990 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:12:04,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:04,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:12:04,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:12:05,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:05,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:05,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:05,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:05,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:05,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:05,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:05,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:05,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:05,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:05,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:05,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:05,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:05,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:05,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:05,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:05,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:05,384 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:12:05,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:05,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:12:05,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:12:05,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:05,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:05,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:05,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:05,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:05,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:05,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:05,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:05,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:05,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:05,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:05,606 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:12:05,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:05,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:12:05,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:12:05,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:05,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:05,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:05,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:05,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:05,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:05,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:05,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:05,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:05,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:05,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:05,840 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:12:05,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:05,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:12:05,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:12:05,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:05,952 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2021-06-11 06:12:05,952 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 06:12:05,977 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:05,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:06,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:06,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:06,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:06,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:06,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:06,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:06,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:06,393 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:12:06,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:06,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:12:06,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:12:06,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:06,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:06,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:06,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:06,545 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-06-11 06:12:06,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:06,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:06,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:06,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:06,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:06,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:06,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:06,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:06,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:06,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:06,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:06,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:06,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:06,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:06,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:06,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:06,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:06,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:06,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:06,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:06,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:06,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:07,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:07,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:07,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:07,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:07,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:07,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:07,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:07,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:07,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:07,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:07,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:07,490 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-06-11 06:12:07,901 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 83 [2021-06-11 06:12:08,020 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-06-11 06:12:08,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:08,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:12:08,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:08,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-06-11 06:12:08,052 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:12:08,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:08,055 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 3, 2, 2, 1] term [2021-06-11 06:12:08,055 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 06:12:08,058 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:08,060 INFO L147 QuantifierPusher]: treesize reduction 39, result has 69.0 percent of original size 87 [2021-06-11 06:12:08,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:12:08,062 INFO L142 QuantifierPusher]: treesize reduction 39, result has 75.6 percent of original size [2021-06-11 06:12:08,063 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 3, 4, 2, 1] term [2021-06-11 06:12:08,063 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 06:12:08,065 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:08,067 INFO L147 QuantifierPusher]: treesize reduction 100, result has 38.7 percent of original size 63 [2021-06-11 06:12:08,068 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 3, 3, 4, 2, 1] term [2021-06-11 06:12:08,068 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 06:12:08,070 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:08,072 INFO L147 QuantifierPusher]: treesize reduction 176, result has 33.3 percent of original size 88 [2021-06-11 06:12:08,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:08,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:08,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:08,445 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:12:08,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:08,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:12:08,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:12:08,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:08,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:08,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:08,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:08,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:08,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:08,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:08,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:12:08,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:08,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:12:08,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:12:08,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:08,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:08,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:08,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:08,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:08,884 INFO L147 QuantifierPusher]: treesize reduction 80, result has 25.2 percent of original size 27 [2021-06-11 06:12:08,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:08,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:09,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:09,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:09,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:09,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:09,168 INFO L142 QuantifierPusher]: treesize reduction 84, result has 91.3 percent of original size [2021-06-11 06:12:09,181 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:12:09,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:09,184 INFO L147 QuantifierPusher]: treesize reduction 36, result has 2.7 percent of original size 1 [2021-06-11 06:12:09,186 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:12:09,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:09,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-06-11 06:12:09,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:12:09,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:09,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:09,194 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:12:09,198 INFO L142 QuantifierPusher]: treesize reduction 38, result has 69.6 percent of original size [2021-06-11 06:12:09,201 INFO L147 QuantifierPusher]: treesize reduction 6, result has 90.2 percent of original size 55 [2021-06-11 06:12:09,206 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:12:09,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:09,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-06-11 06:12:09,213 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:12:09,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:09,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-06-11 06:12:09,219 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:12:09,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:09,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-06-11 06:12:09,225 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:12:09,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:09,230 INFO L147 QuantifierPusher]: treesize reduction 13, result has 82.4 percent of original size 61 [2021-06-11 06:12:09,230 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:12:09,232 INFO L142 QuantifierPusher]: treesize reduction 13, result has 92.7 percent of original size [2021-06-11 06:12:09,233 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 5, 2, 2, 4, 3, 2, 1] term [2021-06-11 06:12:09,234 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 06:12:09,235 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:09,245 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 5, 4, 3, 2, 1] term [2021-06-11 06:12:09,247 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 06:12:09,249 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:09,249 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 5, 2, 2, 1] term [2021-06-11 06:12:09,249 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 06:12:09,253 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:09,256 INFO L147 QuantifierPusher]: treesize reduction 141, result has 54.4 percent of original size 168 [2021-06-11 06:12:09,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:12:09,260 INFO L142 QuantifierPusher]: treesize reduction 141, result has 65.9 percent of original size [2021-06-11 06:12:09,261 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 2, 4, 4, 2, 3, 2, 1] term [2021-06-11 06:12:09,261 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 06:12:09,262 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:09,263 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 3, 4, 4, 2, 3, 2, 1] term [2021-06-11 06:12:09,263 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 06:12:09,265 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:09,265 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 2, 4, 4, 2, 3, 2, 1] term [2021-06-11 06:12:09,266 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 06:12:09,267 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:09,270 INFO L147 QuantifierPusher]: treesize reduction 473, result has 25.7 percent of original size 164 [2021-06-11 06:12:09,271 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 3, 4, 3, 4, 4, 4, 4, 3, 4, 2, 2, 1] term [2021-06-11 06:12:09,271 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 06:12:09,273 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:09,274 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 3, 4, 3, 4, 4, 4, 4, 3, 4, 2, 2, 1] term [2021-06-11 06:12:09,274 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 06:12:09,275 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:09,276 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 3, 4, 3, 4, 4, 4, 4, 3, 4, 2, 2, 1] term [2021-06-11 06:12:09,276 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 06:12:09,277 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:09,289 INFO L147 QuantifierPusher]: treesize reduction 1984, result has 7.2 percent of original size 153 [2021-06-11 06:12:09,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:09,415 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:12:09,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:09,416 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:12:09,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:09,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 06:12:09,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:12:09,423 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:12:09,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:09,431 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:12:09,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:09,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 06:12:09,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 06:12:09,434 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:12:09,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:09,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 06:12:09,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 06:12:09,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:09,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:09,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:09,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:09,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:09,816 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:12:09,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:09,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:12:09,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:12:10,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:10,206 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:12:10,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:10,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:12:10,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:12:10,548 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-06-11 06:12:10,688 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2021-06-11 06:12:11,097 WARN L205 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-06-11 06:12:11,255 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2021-06-11 06:12:11,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:11,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:12:11,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:11,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:12:11,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:12:11,295 INFO L163 LiptonReduction]: Checked pairs total: 8244 [2021-06-11 06:12:11,296 INFO L165 LiptonReduction]: Total number of compositions: 99 [2021-06-11 06:12:11,298 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6527 [2021-06-11 06:12:11,306 INFO L129 PetriNetUnfolder]: 0/12 cut-off events. [2021-06-11 06:12:11,306 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 06:12:11,307 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:12:11,307 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:12:11,308 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:12:11,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:12:11,313 INFO L82 PathProgramCache]: Analyzing trace with hash 1042985495, now seen corresponding path program 1 times [2021-06-11 06:12:11,320 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:12:11,320 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392434556] [2021-06-11 06:12:11,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:12:11,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:12:11,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:11,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:12:11,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:12:11,544 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392434556] [2021-06-11 06:12:11,545 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:12:11,545 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-06-11 06:12:11,545 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419669085] [2021-06-11 06:12:11,550 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 06:12:11,550 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:12:11,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 06:12:11,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 06:12:11,560 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 215 [2021-06-11 06:12:11,563 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 34 transitions, 80 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) [2021-06-11 06:12:11,563 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:12:11,563 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 215 [2021-06-11 06:12:11,564 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:12:11,646 INFO L129 PetriNetUnfolder]: 49/140 cut-off events. [2021-06-11 06:12:11,646 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 06:12:11,648 INFO L84 FinitePrefix]: Finished finitePrefix Result has 239 conditions, 140 events. 49/140 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 600 event pairs, 27 based on Foata normal form. 23/141 useless extension candidates. Maximal degree in co-relation 228. Up to 65 conditions per place. [2021-06-11 06:12:11,650 INFO L132 encePairwiseOnDemand]: 210/215 looper letters, 9 selfloop transitions, 2 changer transitions 0/35 dead transitions. [2021-06-11 06:12:11,650 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 35 transitions, 104 flow [2021-06-11 06:12:11,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 06:12:11,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 06:12:11,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 562 transitions. [2021-06-11 06:12:11,668 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8713178294573644 [2021-06-11 06:12:11,669 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 562 transitions. [2021-06-11 06:12:11,669 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 562 transitions. [2021-06-11 06:12:11,673 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:12:11,675 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 562 transitions. [2021-06-11 06:12:11,680 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 187.33333333333334) internal successors, (562), 3 states have internal predecessors, (562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:11,688 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 215.0) internal successors, (860), 4 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:11,689 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 215.0) internal successors, (860), 4 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:11,691 INFO L185 Difference]: Start difference. First operand has 46 places, 34 transitions, 80 flow. Second operand 3 states and 562 transitions. [2021-06-11 06:12:11,691 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 35 transitions, 104 flow [2021-06-11 06:12:11,693 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 35 transitions, 100 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-06-11 06:12:11,695 INFO L241 Difference]: Finished difference. Result has 42 places, 31 transitions, 74 flow [2021-06-11 06:12:11,696 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=70, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=74, PETRI_PLACES=42, PETRI_TRANSITIONS=31} [2021-06-11 06:12:11,697 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, -4 predicate places. [2021-06-11 06:12:11,697 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:12:11,697 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 31 transitions, 74 flow [2021-06-11 06:12:11,698 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 31 transitions, 74 flow [2021-06-11 06:12:11,698 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 42 places, 31 transitions, 74 flow [2021-06-11 06:12:11,711 INFO L129 PetriNetUnfolder]: 0/31 cut-off events. [2021-06-11 06:12:11,711 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 06:12:11,711 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43 conditions, 31 events. 0/31 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 50 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-06-11 06:12:11,712 INFO L151 LiptonReduction]: Number of co-enabled transitions 488 [2021-06-11 06:12:12,913 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 249 DAG size of output: 209 [2021-06-11 06:12:13,560 WARN L205 SmtUtils]: Spent 644.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-06-11 06:12:15,939 WARN L205 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 339 DAG size of output: 292 [2021-06-11 06:12:17,010 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 288 [2021-06-11 06:12:17,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:17,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:17,681 WARN L205 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 193 [2021-06-11 06:12:18,001 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2021-06-11 06:12:19,483 WARN L205 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 317 DAG size of output: 273 [2021-06-11 06:12:20,153 WARN L205 SmtUtils]: Spent 668.00 ms on a formula simplification that was a NOOP. DAG size: 270 [2021-06-11 06:12:20,464 INFO L163 LiptonReduction]: Checked pairs total: 1126 [2021-06-11 06:12:20,464 INFO L165 LiptonReduction]: Total number of compositions: 2 [2021-06-11 06:12:20,464 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8767 [2021-06-11 06:12:20,465 INFO L480 AbstractCegarLoop]: Abstraction has has 41 places, 30 transitions, 72 flow [2021-06-11 06:12:20,466 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) [2021-06-11 06:12:20,466 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:12:20,466 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:12:20,466 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-06-11 06:12:20,466 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:12:20,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:12:20,467 INFO L82 PathProgramCache]: Analyzing trace with hash 1064222128, now seen corresponding path program 1 times [2021-06-11 06:12:20,467 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:12:20,467 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711124454] [2021-06-11 06:12:20,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:12:20,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:12:20,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:20,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:12:20,612 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-11 06:12:20,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 06:12:20,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:12:20,628 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711124454] [2021-06-11 06:12:20,628 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:12:20,628 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-11 06:12:20,628 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326941944] [2021-06-11 06:12:20,629 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 06:12:20,629 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:12:20,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 06:12:20,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-11 06:12:20,631 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 217 [2021-06-11 06:12:20,632 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 30 transitions, 72 flow. Second operand has 4 states, 4 states have (on average 177.75) internal successors, (711), 4 states have internal predecessors, (711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:20,632 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:12:20,632 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 217 [2021-06-11 06:12:20,632 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:12:20,676 INFO L129 PetriNetUnfolder]: 1/32 cut-off events. [2021-06-11 06:12:20,676 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 06:12:20,676 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 59 event pairs, 0 based on Foata normal form. 0/29 useless extension candidates. Maximal degree in co-relation 42. Up to 3 conditions per place. [2021-06-11 06:12:20,676 INFO L132 encePairwiseOnDemand]: 213/217 looper letters, 1 selfloop transitions, 2 changer transitions 5/32 dead transitions. [2021-06-11 06:12:20,677 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 32 transitions, 88 flow [2021-06-11 06:12:20,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 06:12:20,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 06:12:20,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 892 transitions. [2021-06-11 06:12:20,679 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8221198156682028 [2021-06-11 06:12:20,679 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 892 transitions. [2021-06-11 06:12:20,679 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 892 transitions. [2021-06-11 06:12:20,680 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:12:20,680 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 892 transitions. [2021-06-11 06:12:20,682 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 178.4) internal successors, (892), 5 states have internal predecessors, (892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:20,684 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 217.0) internal successors, (1302), 6 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:20,685 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 217.0) internal successors, (1302), 6 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:20,685 INFO L185 Difference]: Start difference. First operand has 41 places, 30 transitions, 72 flow. Second operand 5 states and 892 transitions. [2021-06-11 06:12:20,685 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 32 transitions, 88 flow [2021-06-11 06:12:20,685 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 32 transitions, 84 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-11 06:12:20,686 INFO L241 Difference]: Finished difference. Result has 44 places, 27 transitions, 70 flow [2021-06-11 06:12:20,686 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=217, 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=70, PETRI_PLACES=44, PETRI_TRANSITIONS=27} [2021-06-11 06:12:20,687 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, -2 predicate places. [2021-06-11 06:12:20,687 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:12:20,687 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 44 places, 27 transitions, 70 flow [2021-06-11 06:12:20,687 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 44 places, 27 transitions, 70 flow [2021-06-11 06:12:20,688 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 39 places, 27 transitions, 70 flow [2021-06-11 06:12:20,691 INFO L129 PetriNetUnfolder]: 0/27 cut-off events. [2021-06-11 06:12:20,691 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 06:12:20,691 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42 conditions, 27 events. 0/27 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 33 event pairs, 0 based on Foata normal form. 0/27 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-06-11 06:12:20,691 INFO L151 LiptonReduction]: Number of co-enabled transitions 366 [2021-06-11 06:12:20,794 INFO L163 LiptonReduction]: Checked pairs total: 434 [2021-06-11 06:12:20,794 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:12:20,795 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 108 [2021-06-11 06:12:20,795 INFO L480 AbstractCegarLoop]: Abstraction has has 39 places, 27 transitions, 70 flow [2021-06-11 06:12:20,796 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 177.75) internal successors, (711), 4 states have internal predecessors, (711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:20,796 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:12:20,796 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:12:20,796 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-06-11 06:12:20,796 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:12:20,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:12:20,797 INFO L82 PathProgramCache]: Analyzing trace with hash -1368786629, now seen corresponding path program 1 times [2021-06-11 06:12:20,797 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:12:20,797 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544668278] [2021-06-11 06:12:20,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:12:20,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:12:20,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:20,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 06:12:20,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:20,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 06:12:20,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:12:20,896 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544668278] [2021-06-11 06:12:20,896 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:12:20,896 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-11 06:12:20,896 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301506629] [2021-06-11 06:12:20,897 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 06:12:20,897 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:12:20,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 06:12:20,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-06-11 06:12:20,898 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 217 [2021-06-11 06:12:20,899 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 27 transitions, 70 flow. Second operand has 4 states, 4 states have (on average 173.75) internal successors, (695), 4 states have internal predecessors, (695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:20,899 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:12:20,899 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 217 [2021-06-11 06:12:20,899 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:12:20,964 INFO L129 PetriNetUnfolder]: 77/166 cut-off events. [2021-06-11 06:12:20,964 INFO L130 PetriNetUnfolder]: For 7/14 co-relation queries the response was YES. [2021-06-11 06:12:20,965 INFO L84 FinitePrefix]: Finished finitePrefix Result has 326 conditions, 166 events. 77/166 cut-off events. For 7/14 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 709 event pairs, 59 based on Foata normal form. 3/157 useless extension candidates. Maximal degree in co-relation 316. Up to 125 conditions per place. [2021-06-11 06:12:20,966 INFO L132 encePairwiseOnDemand]: 213/217 looper letters, 9 selfloop transitions, 3 changer transitions 0/31 dead transitions. [2021-06-11 06:12:20,966 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 31 transitions, 102 flow [2021-06-11 06:12:20,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 06:12:20,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 06:12:20,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 532 transitions. [2021-06-11 06:12:20,969 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8172043010752689 [2021-06-11 06:12:20,969 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 532 transitions. [2021-06-11 06:12:20,970 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 532 transitions. [2021-06-11 06:12:20,970 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:12:20,970 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 532 transitions. [2021-06-11 06:12:20,971 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 177.33333333333334) internal successors, (532), 3 states have internal predecessors, (532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:20,973 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 217.0) internal successors, (868), 4 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:20,973 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 217.0) internal successors, (868), 4 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:20,973 INFO L185 Difference]: Start difference. First operand has 39 places, 27 transitions, 70 flow. Second operand 3 states and 532 transitions. [2021-06-11 06:12:20,973 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 31 transitions, 102 flow [2021-06-11 06:12:20,974 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 31 transitions, 98 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-11 06:12:20,975 INFO L241 Difference]: Finished difference. Result has 40 places, 29 transitions, 85 flow [2021-06-11 06:12:20,975 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=217, PETRI_DIFFERENCE_MINUEND_FLOW=66, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=85, PETRI_PLACES=40, PETRI_TRANSITIONS=29} [2021-06-11 06:12:20,975 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, -6 predicate places. [2021-06-11 06:12:20,975 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:12:20,975 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 29 transitions, 85 flow [2021-06-11 06:12:20,976 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 29 transitions, 85 flow [2021-06-11 06:12:20,976 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 29 transitions, 85 flow [2021-06-11 06:12:20,981 INFO L129 PetriNetUnfolder]: 3/39 cut-off events. [2021-06-11 06:12:20,981 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-06-11 06:12:20,981 INFO L84 FinitePrefix]: Finished finitePrefix Result has 67 conditions, 39 events. 3/39 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 79 event pairs, 1 based on Foata normal form. 0/37 useless extension candidates. Maximal degree in co-relation 58. Up to 10 conditions per place. [2021-06-11 06:12:20,982 INFO L151 LiptonReduction]: Number of co-enabled transitions 408 [2021-06-11 06:12:20,998 INFO L163 LiptonReduction]: Checked pairs total: 388 [2021-06-11 06:12:20,998 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:12:20,998 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 23 [2021-06-11 06:12:20,999 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 29 transitions, 85 flow [2021-06-11 06:12:20,999 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 173.75) internal successors, (695), 4 states have internal predecessors, (695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:20,999 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:12:21,000 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:12:21,000 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-06-11 06:12:21,000 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:12:21,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:12:21,000 INFO L82 PathProgramCache]: Analyzing trace with hash 488616480, now seen corresponding path program 1 times [2021-06-11 06:12:21,000 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:12:21,000 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208823535] [2021-06-11 06:12:21,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:12:21,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:12:21,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:21,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 06:12:21,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:21,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:12:21,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:21,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 06:12:21,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:12:21,226 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208823535] [2021-06-11 06:12:21,226 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:12:21,226 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 06:12:21,226 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960507718] [2021-06-11 06:12:21,227 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 06:12:21,227 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:12:21,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 06:12:21,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-11 06:12:21,229 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 217 [2021-06-11 06:12:21,233 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 29 transitions, 85 flow. Second operand has 5 states, 5 states have (on average 164.8) internal successors, (824), 5 states have internal predecessors, (824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:21,233 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:12:21,233 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 217 [2021-06-11 06:12:21,233 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:12:21,335 INFO L129 PetriNetUnfolder]: 77/167 cut-off events. [2021-06-11 06:12:21,336 INFO L130 PetriNetUnfolder]: For 53/87 co-relation queries the response was YES. [2021-06-11 06:12:21,336 INFO L84 FinitePrefix]: Finished finitePrefix Result has 383 conditions, 167 events. 77/167 cut-off events. For 53/87 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 701 event pairs, 52 based on Foata normal form. 7/165 useless extension candidates. Maximal degree in co-relation 372. Up to 120 conditions per place. [2021-06-11 06:12:21,338 INFO L132 encePairwiseOnDemand]: 211/217 looper letters, 10 selfloop transitions, 6 changer transitions 0/35 dead transitions. [2021-06-11 06:12:21,338 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 35 transitions, 131 flow [2021-06-11 06:12:21,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-11 06:12:21,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-11 06:12:21,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 673 transitions. [2021-06-11 06:12:21,341 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7753456221198156 [2021-06-11 06:12:21,341 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 673 transitions. [2021-06-11 06:12:21,341 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 673 transitions. [2021-06-11 06:12:21,342 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:12:21,342 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 673 transitions. [2021-06-11 06:12:21,343 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 168.25) internal successors, (673), 4 states have internal predecessors, (673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:21,345 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 217.0) internal successors, (1085), 5 states have internal predecessors, (1085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:21,346 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 217.0) internal successors, (1085), 5 states have internal predecessors, (1085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:21,346 INFO L185 Difference]: Start difference. First operand has 40 places, 29 transitions, 85 flow. Second operand 4 states and 673 transitions. [2021-06-11 06:12:21,346 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 35 transitions, 131 flow [2021-06-11 06:12:21,347 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 35 transitions, 128 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-06-11 06:12:21,348 INFO L241 Difference]: Finished difference. Result has 43 places, 32 transitions, 114 flow [2021-06-11 06:12:21,348 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=217, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=114, PETRI_PLACES=43, PETRI_TRANSITIONS=32} [2021-06-11 06:12:21,348 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, -3 predicate places. [2021-06-11 06:12:21,348 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:12:21,348 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 43 places, 32 transitions, 114 flow [2021-06-11 06:12:21,349 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 43 places, 32 transitions, 114 flow [2021-06-11 06:12:21,349 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 43 places, 32 transitions, 114 flow [2021-06-11 06:12:21,361 INFO L129 PetriNetUnfolder]: 20/75 cut-off events. [2021-06-11 06:12:21,361 INFO L130 PetriNetUnfolder]: For 31/38 co-relation queries the response was YES. [2021-06-11 06:12:21,362 INFO L84 FinitePrefix]: Finished finitePrefix Result has 165 conditions, 75 events. 20/75 cut-off events. For 31/38 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 227 event pairs, 9 based on Foata normal form. 1/71 useless extension candidates. Maximal degree in co-relation 154. Up to 35 conditions per place. [2021-06-11 06:12:21,363 INFO L151 LiptonReduction]: Number of co-enabled transitions 458 [2021-06-11 06:12:21,366 INFO L163 LiptonReduction]: Checked pairs total: 380 [2021-06-11 06:12:21,366 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:12:21,366 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 18 [2021-06-11 06:12:21,367 INFO L480 AbstractCegarLoop]: Abstraction has has 43 places, 32 transitions, 114 flow [2021-06-11 06:12:21,368 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 164.8) internal successors, (824), 5 states have internal predecessors, (824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:21,368 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:12:21,368 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:12:21,368 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-06-11 06:12:21,368 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:12:21,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:12:21,369 INFO L82 PathProgramCache]: Analyzing trace with hash 181515840, now seen corresponding path program 1 times [2021-06-11 06:12:21,369 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:12:21,369 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130599027] [2021-06-11 06:12:21,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:12:21,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:12:21,434 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.1 percent of original size [2021-06-11 06:12:21,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 06:12:21,467 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-06-11 06:12:21,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 06:12:21,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:21,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 06:12:21,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:12:21,502 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130599027] [2021-06-11 06:12:21,502 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:12:21,503 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 06:12:21,503 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487762316] [2021-06-11 06:12:21,503 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 06:12:21,503 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:12:21,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 06:12:21,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-11 06:12:21,505 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 217 [2021-06-11 06:12:21,506 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 32 transitions, 114 flow. Second operand has 5 states, 5 states have (on average 173.8) internal successors, (869), 5 states have internal predecessors, (869), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:21,506 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:12:21,506 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 217 [2021-06-11 06:12:21,506 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:12:21,623 INFO L129 PetriNetUnfolder]: 77/171 cut-off events. [2021-06-11 06:12:21,623 INFO L130 PetriNetUnfolder]: For 136/200 co-relation queries the response was YES. [2021-06-11 06:12:21,624 INFO L84 FinitePrefix]: Finished finitePrefix Result has 469 conditions, 171 events. 77/171 cut-off events. For 136/200 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 715 event pairs, 29 based on Foata normal form. 9/172 useless extension candidates. Maximal degree in co-relation 456. Up to 103 conditions per place. [2021-06-11 06:12:21,625 INFO L132 encePairwiseOnDemand]: 211/217 looper letters, 14 selfloop transitions, 7 changer transitions 0/40 dead transitions. [2021-06-11 06:12:21,625 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 40 transitions, 184 flow [2021-06-11 06:12:21,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-11 06:12:21,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-11 06:12:21,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 710 transitions. [2021-06-11 06:12:21,628 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8179723502304147 [2021-06-11 06:12:21,628 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 710 transitions. [2021-06-11 06:12:21,628 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 710 transitions. [2021-06-11 06:12:21,629 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:12:21,629 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 710 transitions. [2021-06-11 06:12:21,631 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 177.5) internal successors, (710), 4 states have internal predecessors, (710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:21,632 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 217.0) internal successors, (1085), 5 states have internal predecessors, (1085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:21,634 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 217.0) internal successors, (1085), 5 states have internal predecessors, (1085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:21,634 INFO L185 Difference]: Start difference. First operand has 43 places, 32 transitions, 114 flow. Second operand 4 states and 710 transitions. [2021-06-11 06:12:21,634 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 40 transitions, 184 flow [2021-06-11 06:12:21,635 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 40 transitions, 174 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-06-11 06:12:21,637 INFO L241 Difference]: Finished difference. Result has 45 places, 35 transitions, 138 flow [2021-06-11 06:12:21,637 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=217, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=138, PETRI_PLACES=45, PETRI_TRANSITIONS=35} [2021-06-11 06:12:21,638 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, -1 predicate places. [2021-06-11 06:12:21,638 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:12:21,638 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 35 transitions, 138 flow [2021-06-11 06:12:21,643 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 35 transitions, 138 flow [2021-06-11 06:12:21,644 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 45 places, 35 transitions, 138 flow [2021-06-11 06:12:21,659 INFO L129 PetriNetUnfolder]: 35/103 cut-off events. [2021-06-11 06:12:21,660 INFO L130 PetriNetUnfolder]: For 114/130 co-relation queries the response was YES. [2021-06-11 06:12:21,660 INFO L84 FinitePrefix]: Finished finitePrefix Result has 271 conditions, 103 events. 35/103 cut-off events. For 114/130 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 394 event pairs, 17 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 259. Up to 49 conditions per place. [2021-06-11 06:12:21,661 INFO L151 LiptonReduction]: Number of co-enabled transitions 506 [2021-06-11 06:12:21,664 INFO L163 LiptonReduction]: Checked pairs total: 391 [2021-06-11 06:12:21,665 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:12:21,665 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 27 [2021-06-11 06:12:21,665 INFO L480 AbstractCegarLoop]: Abstraction has has 45 places, 35 transitions, 138 flow [2021-06-11 06:12:21,666 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 173.8) internal successors, (869), 5 states have internal predecessors, (869), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:21,666 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:12:21,666 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:12:21,666 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-06-11 06:12:21,666 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:12:21,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:12:21,666 INFO L82 PathProgramCache]: Analyzing trace with hash -173833967, now seen corresponding path program 1 times [2021-06-11 06:12:21,667 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:12:21,667 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931432629] [2021-06-11 06:12:21,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:12:21,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:12:21,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:21,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:12:21,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:21,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:12:21,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:21,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 06:12:21,793 INFO L142 QuantifierPusher]: treesize reduction 10, result has 81.5 percent of original size [2021-06-11 06:12:21,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-06-11 06:12:21,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:12:21,810 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931432629] [2021-06-11 06:12:21,810 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:12:21,810 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 06:12:21,810 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977726885] [2021-06-11 06:12:21,810 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 06:12:21,810 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:12:21,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 06:12:21,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-11 06:12:21,812 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 217 [2021-06-11 06:12:21,812 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 35 transitions, 138 flow. Second operand has 5 states, 5 states have (on average 166.0) internal successors, (830), 5 states have internal predecessors, (830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:21,813 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:12:21,813 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 217 [2021-06-11 06:12:21,813 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:12:21,916 INFO L129 PetriNetUnfolder]: 76/174 cut-off events. [2021-06-11 06:12:21,917 INFO L130 PetriNetUnfolder]: For 225/334 co-relation queries the response was YES. [2021-06-11 06:12:21,917 INFO L84 FinitePrefix]: Finished finitePrefix Result has 537 conditions, 174 events. 76/174 cut-off events. For 225/334 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 730 event pairs, 25 based on Foata normal form. 13/180 useless extension candidates. Maximal degree in co-relation 523. Up to 104 conditions per place. [2021-06-11 06:12:21,918 INFO L132 encePairwiseOnDemand]: 212/217 looper letters, 15 selfloop transitions, 8 changer transitions 0/42 dead transitions. [2021-06-11 06:12:21,918 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 42 transitions, 220 flow [2021-06-11 06:12:21,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-11 06:12:21,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-11 06:12:21,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 678 transitions. [2021-06-11 06:12:21,921 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7811059907834101 [2021-06-11 06:12:21,921 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 678 transitions. [2021-06-11 06:12:21,921 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 678 transitions. [2021-06-11 06:12:21,922 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:12:21,922 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 678 transitions. [2021-06-11 06:12:21,923 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 169.5) internal successors, (678), 4 states have internal predecessors, (678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:21,925 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 217.0) internal successors, (1085), 5 states have internal predecessors, (1085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:21,925 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 217.0) internal successors, (1085), 5 states have internal predecessors, (1085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:21,925 INFO L185 Difference]: Start difference. First operand has 45 places, 35 transitions, 138 flow. Second operand 4 states and 678 transitions. [2021-06-11 06:12:21,925 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 42 transitions, 220 flow [2021-06-11 06:12:21,928 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 42 transitions, 211 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-06-11 06:12:21,929 INFO L241 Difference]: Finished difference. Result has 48 places, 37 transitions, 166 flow [2021-06-11 06:12:21,929 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=217, PETRI_DIFFERENCE_MINUEND_FLOW=130, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=166, PETRI_PLACES=48, PETRI_TRANSITIONS=37} [2021-06-11 06:12:21,929 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 2 predicate places. [2021-06-11 06:12:21,929 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:12:21,929 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 48 places, 37 transitions, 166 flow [2021-06-11 06:12:21,930 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 48 places, 37 transitions, 166 flow [2021-06-11 06:12:21,930 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 48 places, 37 transitions, 166 flow [2021-06-11 06:12:21,943 INFO L129 PetriNetUnfolder]: 34/101 cut-off events. [2021-06-11 06:12:21,943 INFO L130 PetriNetUnfolder]: For 200/214 co-relation queries the response was YES. [2021-06-11 06:12:21,944 INFO L84 FinitePrefix]: Finished finitePrefix Result has 299 conditions, 101 events. 34/101 cut-off events. For 200/214 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 377 event pairs, 17 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 285. Up to 46 conditions per place. [2021-06-11 06:12:21,945 INFO L151 LiptonReduction]: Number of co-enabled transitions 530 [2021-06-11 06:12:21,949 INFO L163 LiptonReduction]: Checked pairs total: 425 [2021-06-11 06:12:21,949 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:12:21,949 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 20 [2021-06-11 06:12:21,951 INFO L480 AbstractCegarLoop]: Abstraction has has 48 places, 37 transitions, 166 flow [2021-06-11 06:12:21,951 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 166.0) internal successors, (830), 5 states have internal predecessors, (830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:21,951 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:12:21,951 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:12:21,952 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-06-11 06:12:21,952 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:12:21,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:12:21,952 INFO L82 PathProgramCache]: Analyzing trace with hash -282051099, now seen corresponding path program 1 times [2021-06-11 06:12:21,952 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:12:21,952 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313521517] [2021-06-11 06:12:21,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:12:21,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:12:22,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:22,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 06:12:22,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:22,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 06:12:22,041 INFO L142 QuantifierPusher]: treesize reduction 10, result has 81.5 percent of original size [2021-06-11 06:12:22,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-06-11 06:12:22,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:22,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 06:12:22,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:12:22,064 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313521517] [2021-06-11 06:12:22,064 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:12:22,064 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 06:12:22,064 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828726573] [2021-06-11 06:12:22,065 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 06:12:22,065 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:12:22,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 06:12:22,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-11 06:12:22,067 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 217 [2021-06-11 06:12:22,067 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 37 transitions, 166 flow. Second operand has 5 states, 5 states have (on average 171.0) internal successors, (855), 5 states have internal predecessors, (855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:22,067 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:12:22,067 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 217 [2021-06-11 06:12:22,067 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:12:22,178 INFO L129 PetriNetUnfolder]: 87/200 cut-off events. [2021-06-11 06:12:22,178 INFO L130 PetriNetUnfolder]: For 386/565 co-relation queries the response was YES. [2021-06-11 06:12:22,179 INFO L84 FinitePrefix]: Finished finitePrefix Result has 654 conditions, 200 events. 87/200 cut-off events. For 386/565 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 904 event pairs, 8 based on Foata normal form. 22/215 useless extension candidates. Maximal degree in co-relation 638. Up to 112 conditions per place. [2021-06-11 06:12:22,181 INFO L132 encePairwiseOnDemand]: 209/217 looper letters, 17 selfloop transitions, 13 changer transitions 0/49 dead transitions. [2021-06-11 06:12:22,181 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 49 transitions, 292 flow [2021-06-11 06:12:22,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 06:12:22,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 06:12:22,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 872 transitions. [2021-06-11 06:12:22,184 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8036866359447005 [2021-06-11 06:12:22,184 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 872 transitions. [2021-06-11 06:12:22,184 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 872 transitions. [2021-06-11 06:12:22,185 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:12:22,185 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 872 transitions. [2021-06-11 06:12:22,186 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 174.4) internal successors, (872), 5 states have internal predecessors, (872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:22,188 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 217.0) internal successors, (1302), 6 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:22,188 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 217.0) internal successors, (1302), 6 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:22,188 INFO L185 Difference]: Start difference. First operand has 48 places, 37 transitions, 166 flow. Second operand 5 states and 872 transitions. [2021-06-11 06:12:22,188 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 49 transitions, 292 flow [2021-06-11 06:12:22,191 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 49 transitions, 282 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-06-11 06:12:22,192 INFO L241 Difference]: Finished difference. Result has 53 places, 44 transitions, 243 flow [2021-06-11 06:12:22,192 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=217, PETRI_DIFFERENCE_MINUEND_FLOW=157, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=243, PETRI_PLACES=53, PETRI_TRANSITIONS=44} [2021-06-11 06:12:22,193 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 7 predicate places. [2021-06-11 06:12:22,193 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:12:22,193 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 53 places, 44 transitions, 243 flow [2021-06-11 06:12:22,193 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 53 places, 44 transitions, 243 flow [2021-06-11 06:12:22,193 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 53 places, 44 transitions, 243 flow [2021-06-11 06:12:22,216 INFO L129 PetriNetUnfolder]: 68/175 cut-off events. [2021-06-11 06:12:22,216 INFO L130 PetriNetUnfolder]: For 451/502 co-relation queries the response was YES. [2021-06-11 06:12:22,217 INFO L84 FinitePrefix]: Finished finitePrefix Result has 599 conditions, 175 events. 68/175 cut-off events. For 451/502 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 808 event pairs, 24 based on Foata normal form. 1/167 useless extension candidates. Maximal degree in co-relation 582. Up to 74 conditions per place. [2021-06-11 06:12:22,218 INFO L151 LiptonReduction]: Number of co-enabled transitions 626 [2021-06-11 06:12:22,226 INFO L163 LiptonReduction]: Checked pairs total: 538 [2021-06-11 06:12:22,226 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:12:22,226 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 33 [2021-06-11 06:12:22,227 INFO L480 AbstractCegarLoop]: Abstraction has has 53 places, 44 transitions, 243 flow [2021-06-11 06:12:22,227 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 171.0) internal successors, (855), 5 states have internal predecessors, (855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:22,227 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:12:22,227 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:12:22,227 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-06-11 06:12:22,227 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:12:22,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:12:22,228 INFO L82 PathProgramCache]: Analyzing trace with hash 1332022803, now seen corresponding path program 2 times [2021-06-11 06:12:22,228 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:12:22,228 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056376354] [2021-06-11 06:12:22,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:12:22,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:12:22,312 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-06-11 06:12:22,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 06:12:22,335 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size [2021-06-11 06:12:22,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 06:12:22,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:22,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 06:12:22,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:22,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 06:12:22,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:12:22,386 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056376354] [2021-06-11 06:12:22,386 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:12:22,386 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-11 06:12:22,386 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151922214] [2021-06-11 06:12:22,387 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-11 06:12:22,387 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:12:22,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-11 06:12:22,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-06-11 06:12:22,389 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 217 [2021-06-11 06:12:22,389 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 44 transitions, 243 flow. Second operand has 6 states, 6 states have (on average 170.83333333333334) internal successors, (1025), 6 states have internal predecessors, (1025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:22,389 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:12:22,389 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 217 [2021-06-11 06:12:22,390 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:12:22,502 INFO L129 PetriNetUnfolder]: 90/196 cut-off events. [2021-06-11 06:12:22,502 INFO L130 PetriNetUnfolder]: For 713/970 co-relation queries the response was YES. [2021-06-11 06:12:22,503 INFO L84 FinitePrefix]: Finished finitePrefix Result has 792 conditions, 196 events. 90/196 cut-off events. For 713/970 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 824 event pairs, 20 based on Foata normal form. 36/225 useless extension candidates. Maximal degree in co-relation 773. Up to 115 conditions per place. [2021-06-11 06:12:22,504 INFO L132 encePairwiseOnDemand]: 210/217 looper letters, 16 selfloop transitions, 17 changer transitions 0/52 dead transitions. [2021-06-11 06:12:22,505 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 52 transitions, 369 flow [2021-06-11 06:12:22,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 06:12:22,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 06:12:22,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 872 transitions. [2021-06-11 06:12:22,507 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8036866359447005 [2021-06-11 06:12:22,507 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 872 transitions. [2021-06-11 06:12:22,508 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 872 transitions. [2021-06-11 06:12:22,508 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:12:22,508 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 872 transitions. [2021-06-11 06:12:22,510 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 174.4) internal successors, (872), 5 states have internal predecessors, (872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:22,511 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 217.0) internal successors, (1302), 6 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:22,512 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 217.0) internal successors, (1302), 6 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:22,512 INFO L185 Difference]: Start difference. First operand has 53 places, 44 transitions, 243 flow. Second operand 5 states and 872 transitions. [2021-06-11 06:12:22,512 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 52 transitions, 369 flow [2021-06-11 06:12:22,513 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 52 transitions, 351 flow, removed 5 selfloop flow, removed 1 redundant places. [2021-06-11 06:12:22,514 INFO L241 Difference]: Finished difference. Result has 57 places, 47 transitions, 297 flow [2021-06-11 06:12:22,515 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=217, PETRI_DIFFERENCE_MINUEND_FLOW=225, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=297, PETRI_PLACES=57, PETRI_TRANSITIONS=47} [2021-06-11 06:12:22,515 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 11 predicate places. [2021-06-11 06:12:22,515 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:12:22,515 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 57 places, 47 transitions, 297 flow [2021-06-11 06:12:22,515 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 57 places, 47 transitions, 297 flow [2021-06-11 06:12:22,516 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 57 places, 47 transitions, 297 flow [2021-06-11 06:12:22,539 INFO L129 PetriNetUnfolder]: 68/177 cut-off events. [2021-06-11 06:12:22,539 INFO L130 PetriNetUnfolder]: For 565/621 co-relation queries the response was YES. [2021-06-11 06:12:22,540 INFO L84 FinitePrefix]: Finished finitePrefix Result has 685 conditions, 177 events. 68/177 cut-off events. For 565/621 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 826 event pairs, 25 based on Foata normal form. 3/172 useless extension candidates. Maximal degree in co-relation 666. Up to 75 conditions per place. [2021-06-11 06:12:22,542 INFO L151 LiptonReduction]: Number of co-enabled transitions 664 [2021-06-11 06:12:22,548 INFO L163 LiptonReduction]: Checked pairs total: 622 [2021-06-11 06:12:22,549 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:12:22,549 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 34 [2021-06-11 06:12:22,549 INFO L480 AbstractCegarLoop]: Abstraction has has 57 places, 47 transitions, 297 flow [2021-06-11 06:12:22,550 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 170.83333333333334) internal successors, (1025), 6 states have internal predecessors, (1025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:22,550 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:12:22,550 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:12:22,550 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-06-11 06:12:22,550 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:12:22,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:12:22,551 INFO L82 PathProgramCache]: Analyzing trace with hash 1354643527, now seen corresponding path program 3 times [2021-06-11 06:12:22,551 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:12:22,551 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648834046] [2021-06-11 06:12:22,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:12:22,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:12:22,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:22,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 06:12:22,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:22,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 06:12:22,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:22,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 06:12:22,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:22,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 06:12:22,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:12:22,621 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648834046] [2021-06-11 06:12:22,622 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:12:22,622 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-11 06:12:22,622 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156606384] [2021-06-11 06:12:22,622 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-11 06:12:22,622 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:12:22,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-11 06:12:22,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-06-11 06:12:22,624 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 167 out of 217 [2021-06-11 06:12:22,624 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 47 transitions, 297 flow. Second operand has 6 states, 6 states have (on average 167.83333333333334) internal successors, (1007), 6 states have internal predecessors, (1007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:22,624 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:12:22,624 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 167 of 217 [2021-06-11 06:12:22,625 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:12:22,788 INFO L129 PetriNetUnfolder]: 97/220 cut-off events. [2021-06-11 06:12:22,788 INFO L130 PetriNetUnfolder]: For 1209/1535 co-relation queries the response was YES. [2021-06-11 06:12:22,789 INFO L84 FinitePrefix]: Finished finitePrefix Result has 957 conditions, 220 events. 97/220 cut-off events. For 1209/1535 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1011 event pairs, 9 based on Foata normal form. 44/257 useless extension candidates. Maximal degree in co-relation 936. Up to 107 conditions per place. [2021-06-11 06:12:22,790 INFO L132 encePairwiseOnDemand]: 210/217 looper letters, 18 selfloop transitions, 18 changer transitions 0/55 dead transitions. [2021-06-11 06:12:22,791 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 55 transitions, 429 flow [2021-06-11 06:12:22,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 06:12:22,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 06:12:22,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1023 transitions. [2021-06-11 06:12:22,794 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7857142857142857 [2021-06-11 06:12:22,794 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1023 transitions. [2021-06-11 06:12:22,794 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1023 transitions. [2021-06-11 06:12:22,795 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:12:22,795 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1023 transitions. [2021-06-11 06:12:22,797 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 170.5) internal successors, (1023), 6 states have internal predecessors, (1023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:22,799 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 217.0) internal successors, (1519), 7 states have internal predecessors, (1519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:22,799 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 217.0) internal successors, (1519), 7 states have internal predecessors, (1519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:22,799 INFO L185 Difference]: Start difference. First operand has 57 places, 47 transitions, 297 flow. Second operand 6 states and 1023 transitions. [2021-06-11 06:12:22,799 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 55 transitions, 429 flow [2021-06-11 06:12:22,801 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 55 transitions, 375 flow, removed 14 selfloop flow, removed 3 redundant places. [2021-06-11 06:12:22,802 INFO L241 Difference]: Finished difference. Result has 61 places, 50 transitions, 341 flow [2021-06-11 06:12:22,803 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=217, PETRI_DIFFERENCE_MINUEND_FLOW=253, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=341, PETRI_PLACES=61, PETRI_TRANSITIONS=50} [2021-06-11 06:12:22,803 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 15 predicate places. [2021-06-11 06:12:22,803 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:12:22,803 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 61 places, 50 transitions, 341 flow [2021-06-11 06:12:22,803 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 61 places, 50 transitions, 341 flow [2021-06-11 06:12:22,804 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 61 places, 50 transitions, 341 flow [2021-06-11 06:12:22,827 INFO L129 PetriNetUnfolder]: 65/185 cut-off events. [2021-06-11 06:12:22,827 INFO L130 PetriNetUnfolder]: For 726/806 co-relation queries the response was YES. [2021-06-11 06:12:22,828 INFO L84 FinitePrefix]: Finished finitePrefix Result has 731 conditions, 185 events. 65/185 cut-off events. For 726/806 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 897 event pairs, 12 based on Foata normal form. 6/184 useless extension candidates. Maximal degree in co-relation 710. Up to 79 conditions per place. [2021-06-11 06:12:22,830 INFO L151 LiptonReduction]: Number of co-enabled transitions 728 [2021-06-11 06:12:22,836 INFO L163 LiptonReduction]: Checked pairs total: 720 [2021-06-11 06:12:22,837 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:12:22,837 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 34 [2021-06-11 06:12:22,837 INFO L480 AbstractCegarLoop]: Abstraction has has 61 places, 50 transitions, 341 flow [2021-06-11 06:12:22,838 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 167.83333333333334) internal successors, (1007), 6 states have internal predecessors, (1007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:22,838 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:12:22,838 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:12:22,838 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-06-11 06:12:22,838 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:12:22,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:12:22,838 INFO L82 PathProgramCache]: Analyzing trace with hash 1382907135, now seen corresponding path program 1 times [2021-06-11 06:12:22,839 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:12:22,839 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370914159] [2021-06-11 06:12:22,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:12:22,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:12:22,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:22,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:12:22,900 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-06-11 06:12:22,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:12:22,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:22,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:22,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:12:22,910 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370914159] [2021-06-11 06:12:22,910 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:12:22,910 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 06:12:22,910 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679440425] [2021-06-11 06:12:22,910 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 06:12:22,910 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:12:22,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 06:12:22,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-11 06:12:22,911 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 217 [2021-06-11 06:12:22,912 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 50 transitions, 341 flow. Second operand has 4 states, 4 states have (on average 175.75) internal successors, (703), 4 states have internal predecessors, (703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:22,912 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:12:22,912 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 217 [2021-06-11 06:12:22,912 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:12:23,030 INFO L129 PetriNetUnfolder]: 363/716 cut-off events. [2021-06-11 06:12:23,030 INFO L130 PetriNetUnfolder]: For 1850/2023 co-relation queries the response was YES. [2021-06-11 06:12:23,035 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2290 conditions, 716 events. 363/716 cut-off events. For 1850/2023 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 4575 event pairs, 142 based on Foata normal form. 73/714 useless extension candidates. Maximal degree in co-relation 2267. Up to 374 conditions per place. [2021-06-11 06:12:23,039 INFO L132 encePairwiseOnDemand]: 210/217 looper letters, 11 selfloop transitions, 10 changer transitions 0/63 dead transitions. [2021-06-11 06:12:23,039 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 63 transitions, 409 flow [2021-06-11 06:12:23,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 06:12:23,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 06:12:23,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 897 transitions. [2021-06-11 06:12:23,042 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8267281105990784 [2021-06-11 06:12:23,042 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 897 transitions. [2021-06-11 06:12:23,042 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 897 transitions. [2021-06-11 06:12:23,043 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:12:23,043 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 897 transitions. [2021-06-11 06:12:23,044 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 179.4) internal successors, (897), 5 states have internal predecessors, (897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:23,046 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 217.0) internal successors, (1302), 6 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:23,046 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 217.0) internal successors, (1302), 6 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:23,046 INFO L185 Difference]: Start difference. First operand has 61 places, 50 transitions, 341 flow. Second operand 5 states and 897 transitions. [2021-06-11 06:12:23,046 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 63 transitions, 409 flow [2021-06-11 06:12:23,050 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 63 transitions, 385 flow, removed 10 selfloop flow, removed 2 redundant places. [2021-06-11 06:12:23,051 INFO L241 Difference]: Finished difference. Result has 66 places, 59 transitions, 396 flow [2021-06-11 06:12:23,051 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=217, PETRI_DIFFERENCE_MINUEND_FLOW=317, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=396, PETRI_PLACES=66, PETRI_TRANSITIONS=59} [2021-06-11 06:12:23,051 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 20 predicate places. [2021-06-11 06:12:23,052 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:12:23,052 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 66 places, 59 transitions, 396 flow [2021-06-11 06:12:23,052 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 66 places, 59 transitions, 396 flow [2021-06-11 06:12:23,052 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 66 places, 59 transitions, 396 flow [2021-06-11 06:12:23,129 INFO L129 PetriNetUnfolder]: 379/741 cut-off events. [2021-06-11 06:12:23,130 INFO L130 PetriNetUnfolder]: For 1967/2199 co-relation queries the response was YES. [2021-06-11 06:12:23,135 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2657 conditions, 741 events. 379/741 cut-off events. For 1967/2199 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 4765 event pairs, 140 based on Foata normal form. 15/684 useless extension candidates. Maximal degree in co-relation 2633. Up to 416 conditions per place. [2021-06-11 06:12:23,143 INFO L151 LiptonReduction]: Number of co-enabled transitions 1030 [2021-06-11 06:12:23,151 INFO L163 LiptonReduction]: Checked pairs total: 852 [2021-06-11 06:12:23,151 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:12:23,151 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 100 [2021-06-11 06:12:23,152 INFO L480 AbstractCegarLoop]: Abstraction has has 66 places, 59 transitions, 396 flow [2021-06-11 06:12:23,152 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 175.75) internal successors, (703), 4 states have internal predecessors, (703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:23,152 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:12:23,152 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:12:23,152 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-06-11 06:12:23,153 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:12:23,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:12:23,153 INFO L82 PathProgramCache]: Analyzing trace with hash 760078141, now seen corresponding path program 1 times [2021-06-11 06:12:23,153 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:12:23,153 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081910927] [2021-06-11 06:12:23,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:12:23,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:12:23,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:23,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:12:23,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:23,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:12:23,199 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-06-11 06:12:23,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:12:23,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:23,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:23,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:12:23,207 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081910927] [2021-06-11 06:12:23,207 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:12:23,207 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-11 06:12:23,207 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568876374] [2021-06-11 06:12:23,207 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 06:12:23,208 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:12:23,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 06:12:23,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-11 06:12:23,209 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 217 [2021-06-11 06:12:23,210 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 59 transitions, 396 flow. Second operand has 5 states, 5 states have (on average 175.8) internal successors, (879), 5 states have internal predecessors, (879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:23,210 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:12:23,210 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 217 [2021-06-11 06:12:23,210 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:12:23,340 INFO L129 PetriNetUnfolder]: 253/564 cut-off events. [2021-06-11 06:12:23,341 INFO L130 PetriNetUnfolder]: For 1835/3129 co-relation queries the response was YES. [2021-06-11 06:12:23,344 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2346 conditions, 564 events. 253/564 cut-off events. For 1835/3129 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 3589 event pairs, 36 based on Foata normal form. 200/708 useless extension candidates. Maximal degree in co-relation 2320. Up to 360 conditions per place. [2021-06-11 06:12:23,348 INFO L132 encePairwiseOnDemand]: 210/217 looper letters, 11 selfloop transitions, 19 changer transitions 0/70 dead transitions. [2021-06-11 06:12:23,348 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 70 transitions, 513 flow [2021-06-11 06:12:23,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-11 06:12:23,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-06-11 06:12:23,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1256 transitions. [2021-06-11 06:12:23,352 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8268597761685319 [2021-06-11 06:12:23,352 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1256 transitions. [2021-06-11 06:12:23,352 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1256 transitions. [2021-06-11 06:12:23,353 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:12:23,353 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1256 transitions. [2021-06-11 06:12:23,356 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 179.42857142857142) internal successors, (1256), 7 states have internal predecessors, (1256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:23,359 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 217.0) internal successors, (1736), 8 states have internal predecessors, (1736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:23,359 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 217.0) internal successors, (1736), 8 states have internal predecessors, (1736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:23,359 INFO L185 Difference]: Start difference. First operand has 66 places, 59 transitions, 396 flow. Second operand 7 states and 1256 transitions. [2021-06-11 06:12:23,359 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 70 transitions, 513 flow [2021-06-11 06:12:23,365 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 70 transitions, 508 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-06-11 06:12:23,368 INFO L241 Difference]: Finished difference. Result has 74 places, 66 transitions, 510 flow [2021-06-11 06:12:23,368 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=217, PETRI_DIFFERENCE_MINUEND_FLOW=372, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=510, PETRI_PLACES=74, PETRI_TRANSITIONS=66} [2021-06-11 06:12:23,368 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 28 predicate places. [2021-06-11 06:12:23,368 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:12:23,369 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 74 places, 66 transitions, 510 flow [2021-06-11 06:12:23,369 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 74 places, 66 transitions, 510 flow [2021-06-11 06:12:23,369 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 74 places, 66 transitions, 510 flow [2021-06-11 06:12:23,432 INFO L129 PetriNetUnfolder]: 265/578 cut-off events. [2021-06-11 06:12:23,432 INFO L130 PetriNetUnfolder]: For 2521/3018 co-relation queries the response was YES. [2021-06-11 06:12:23,436 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2754 conditions, 578 events. 265/578 cut-off events. For 2521/3018 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 3765 event pairs, 41 based on Foata normal form. 28/558 useless extension candidates. Maximal degree in co-relation 2726. Up to 371 conditions per place. [2021-06-11 06:12:23,444 INFO L151 LiptonReduction]: Number of co-enabled transitions 1242 [2021-06-11 06:12:23,454 INFO L163 LiptonReduction]: Checked pairs total: 961 [2021-06-11 06:12:23,454 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:12:23,454 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 86 [2021-06-11 06:12:23,455 INFO L480 AbstractCegarLoop]: Abstraction has has 74 places, 66 transitions, 510 flow [2021-06-11 06:12:23,455 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 175.8) internal successors, (879), 5 states have internal predecessors, (879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:23,455 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:12:23,455 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:12:23,455 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-06-11 06:12:23,455 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:12:23,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:12:23,456 INFO L82 PathProgramCache]: Analyzing trace with hash -1941689342, now seen corresponding path program 1 times [2021-06-11 06:12:23,456 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:12:23,456 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379100795] [2021-06-11 06:12:23,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:12:23,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:12:23,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:23,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:12:23,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:23,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:12:23,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:23,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:12:23,522 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-06-11 06:12:23,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:12:23,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:23,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:23,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:12:23,531 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379100795] [2021-06-11 06:12:23,531 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:12:23,531 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-11 06:12:23,532 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759991042] [2021-06-11 06:12:23,533 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-11 06:12:23,533 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:12:23,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-11 06:12:23,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-06-11 06:12:23,534 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 217 [2021-06-11 06:12:23,535 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 66 transitions, 510 flow. Second operand has 6 states, 6 states have (on average 175.83333333333334) internal successors, (1055), 6 states have internal predecessors, (1055), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:23,535 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:12:23,535 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 217 [2021-06-11 06:12:23,535 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:12:23,666 INFO L129 PetriNetUnfolder]: 189/447 cut-off events. [2021-06-11 06:12:23,666 INFO L130 PetriNetUnfolder]: For 2592/5295 co-relation queries the response was YES. [2021-06-11 06:12:23,670 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2403 conditions, 447 events. 189/447 cut-off events. For 2592/5295 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 2822 event pairs, 6 based on Foata normal form. 296/691 useless extension candidates. Maximal degree in co-relation 2373. Up to 337 conditions per place. [2021-06-11 06:12:23,673 INFO L132 encePairwiseOnDemand]: 210/217 looper letters, 6 selfloop transitions, 28 changer transitions 4/74 dead transitions. [2021-06-11 06:12:23,673 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 74 transitions, 661 flow [2021-06-11 06:12:23,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-11 06:12:23,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-06-11 06:12:23,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1615 transitions. [2021-06-11 06:12:23,677 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8269329237071172 [2021-06-11 06:12:23,677 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1615 transitions. [2021-06-11 06:12:23,677 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1615 transitions. [2021-06-11 06:12:23,678 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:12:23,678 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1615 transitions. [2021-06-11 06:12:23,681 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 179.44444444444446) internal successors, (1615), 9 states have internal predecessors, (1615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:23,684 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 217.0) internal successors, (2170), 10 states have internal predecessors, (2170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:23,684 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 217.0) internal successors, (2170), 10 states have internal predecessors, (2170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:23,684 INFO L185 Difference]: Start difference. First operand has 74 places, 66 transitions, 510 flow. Second operand 9 states and 1615 transitions. [2021-06-11 06:12:23,685 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 74 transitions, 661 flow [2021-06-11 06:12:23,691 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 74 transitions, 592 flow, removed 17 selfloop flow, removed 7 redundant places. [2021-06-11 06:12:23,693 INFO L241 Difference]: Finished difference. Result has 78 places, 70 transitions, 568 flow [2021-06-11 06:12:23,693 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=217, PETRI_DIFFERENCE_MINUEND_FLOW=390, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=568, PETRI_PLACES=78, PETRI_TRANSITIONS=70} [2021-06-11 06:12:23,693 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 32 predicate places. [2021-06-11 06:12:23,693 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:12:23,694 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 78 places, 70 transitions, 568 flow [2021-06-11 06:12:23,694 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 78 places, 70 transitions, 568 flow [2021-06-11 06:12:23,694 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 78 places, 70 transitions, 568 flow [2021-06-11 06:12:23,736 INFO L129 PetriNetUnfolder]: 180/436 cut-off events. [2021-06-11 06:12:23,737 INFO L130 PetriNetUnfolder]: For 2252/2482 co-relation queries the response was YES. [2021-06-11 06:12:23,740 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2126 conditions, 436 events. 180/436 cut-off events. For 2252/2482 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 2776 event pairs, 7 based on Foata normal form. 8/404 useless extension candidates. Maximal degree in co-relation 2097. Up to 224 conditions per place. [2021-06-11 06:12:23,745 INFO L151 LiptonReduction]: Number of co-enabled transitions 1346 [2021-06-11 06:12:23,755 INFO L163 LiptonReduction]: Checked pairs total: 1119 [2021-06-11 06:12:23,755 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:12:23,755 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 62 [2021-06-11 06:12:23,757 INFO L480 AbstractCegarLoop]: Abstraction has has 78 places, 70 transitions, 568 flow [2021-06-11 06:12:23,757 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 175.83333333333334) internal successors, (1055), 6 states have internal predecessors, (1055), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:23,757 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:12:23,757 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:12:23,757 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-06-11 06:12:23,757 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:12:23,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:12:23,795 INFO L82 PathProgramCache]: Analyzing trace with hash 758150992, now seen corresponding path program 1 times [2021-06-11 06:12:23,795 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:12:23,795 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313087866] [2021-06-11 06:12:23,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:12:23,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:12:23,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:23,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:23,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:23,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:12:23,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:23,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:12:23,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:12:23,873 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313087866] [2021-06-11 06:12:23,873 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:12:23,874 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 06:12:23,874 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072916560] [2021-06-11 06:12:23,874 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 06:12:23,874 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:12:23,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 06:12:23,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-11 06:12:23,875 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 217 [2021-06-11 06:12:23,876 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 70 transitions, 568 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) [2021-06-11 06:12:23,876 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:12:23,876 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 217 [2021-06-11 06:12:23,876 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:12:23,972 INFO L129 PetriNetUnfolder]: 349/810 cut-off events. [2021-06-11 06:12:23,972 INFO L130 PetriNetUnfolder]: For 4981/6036 co-relation queries the response was YES. [2021-06-11 06:12:23,979 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3997 conditions, 810 events. 349/810 cut-off events. For 4981/6036 co-relation queries the response was YES. Maximal size of possible extension queue 157. Compared 6016 event pairs, 11 based on Foata normal form. 17/695 useless extension candidates. Maximal degree in co-relation 3966. Up to 442 conditions per place. [2021-06-11 06:12:23,984 INFO L132 encePairwiseOnDemand]: 214/217 looper letters, 4 selfloop transitions, 2 changer transitions 0/72 dead transitions. [2021-06-11 06:12:23,984 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 72 transitions, 598 flow [2021-06-11 06:12:23,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-11 06:12:23,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-11 06:12:23,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 747 transitions. [2021-06-11 06:12:23,990 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8605990783410138 [2021-06-11 06:12:23,990 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 747 transitions. [2021-06-11 06:12:23,990 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 747 transitions. [2021-06-11 06:12:23,991 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:12:23,991 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 747 transitions. [2021-06-11 06:12:23,992 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 186.75) internal successors, (747), 4 states have internal predecessors, (747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:23,994 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 217.0) internal successors, (1085), 5 states have internal predecessors, (1085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:24,006 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 217.0) internal successors, (1085), 5 states have internal predecessors, (1085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:24,007 INFO L185 Difference]: Start difference. First operand has 78 places, 70 transitions, 568 flow. Second operand 4 states and 747 transitions. [2021-06-11 06:12:24,007 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 72 transitions, 598 flow [2021-06-11 06:12:24,036 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 72 transitions, 501 flow, removed 34 selfloop flow, removed 4 redundant places. [2021-06-11 06:12:24,038 INFO L241 Difference]: Finished difference. Result has 79 places, 71 transitions, 484 flow [2021-06-11 06:12:24,038 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=217, PETRI_DIFFERENCE_MINUEND_FLOW=471, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=484, PETRI_PLACES=79, PETRI_TRANSITIONS=71} [2021-06-11 06:12:24,038 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 33 predicate places. [2021-06-11 06:12:24,038 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:12:24,038 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 71 transitions, 484 flow [2021-06-11 06:12:24,039 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 71 transitions, 484 flow [2021-06-11 06:12:24,039 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 79 places, 71 transitions, 484 flow [2021-06-11 06:12:24,107 INFO L129 PetriNetUnfolder]: 348/809 cut-off events. [2021-06-11 06:12:24,107 INFO L130 PetriNetUnfolder]: For 2234/2402 co-relation queries the response was YES. [2021-06-11 06:12:24,113 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2958 conditions, 809 events. 348/809 cut-off events. For 2234/2402 co-relation queries the response was YES. Maximal size of possible extension queue 147. Compared 5937 event pairs, 12 based on Foata normal form. 11/717 useless extension candidates. Maximal degree in co-relation 2927. Up to 227 conditions per place. [2021-06-11 06:12:24,123 INFO L151 LiptonReduction]: Number of co-enabled transitions 1396 [2021-06-11 06:12:24,133 INFO L163 LiptonReduction]: Checked pairs total: 818 [2021-06-11 06:12:24,133 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:12:24,134 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 96 [2021-06-11 06:12:24,134 INFO L480 AbstractCegarLoop]: Abstraction has has 79 places, 71 transitions, 484 flow [2021-06-11 06:12:24,135 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) [2021-06-11 06:12:24,135 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:12:24,135 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:12:24,135 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-06-11 06:12:24,135 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:12:24,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:12:24,135 INFO L82 PathProgramCache]: Analyzing trace with hash 2094551476, now seen corresponding path program 2 times [2021-06-11 06:12:24,136 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:12:24,136 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337823407] [2021-06-11 06:12:24,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:12:24,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:12:24,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:24,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:24,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:24,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:12:24,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:12:24,200 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337823407] [2021-06-11 06:12:24,201 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:12:24,201 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-11 06:12:24,201 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092174288] [2021-06-11 06:12:24,201 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 06:12:24,201 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:12:24,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 06:12:24,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 06:12:24,202 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 217 [2021-06-11 06:12:24,203 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 71 transitions, 484 flow. Second operand has 3 states, 3 states have (on average 187.66666666666666) internal successors, (563), 3 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:24,203 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:12:24,203 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 217 [2021-06-11 06:12:24,203 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:12:24,348 INFO L129 PetriNetUnfolder]: 629/1441 cut-off events. [2021-06-11 06:12:24,349 INFO L130 PetriNetUnfolder]: For 4283/4592 co-relation queries the response was YES. [2021-06-11 06:12:24,359 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5248 conditions, 1441 events. 629/1441 cut-off events. For 4283/4592 co-relation queries the response was YES. Maximal size of possible extension queue 293. Compared 11846 event pairs, 16 based on Foata normal form. 27/1243 useless extension candidates. Maximal degree in co-relation 5215. Up to 409 conditions per place. [2021-06-11 06:12:24,366 INFO L132 encePairwiseOnDemand]: 214/217 looper letters, 5 selfloop transitions, 2 changer transitions 0/73 dead transitions. [2021-06-11 06:12:24,366 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 73 transitions, 503 flow [2021-06-11 06:12:24,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 06:12:24,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 06:12:24,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 566 transitions. [2021-06-11 06:12:24,368 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.869431643625192 [2021-06-11 06:12:24,368 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 566 transitions. [2021-06-11 06:12:24,369 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 566 transitions. [2021-06-11 06:12:24,369 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:12:24,369 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 566 transitions. [2021-06-11 06:12:24,370 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 188.66666666666666) internal successors, (566), 3 states have internal predecessors, (566), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:24,371 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 217.0) internal successors, (868), 4 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:24,371 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 217.0) internal successors, (868), 4 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:24,371 INFO L185 Difference]: Start difference. First operand has 79 places, 71 transitions, 484 flow. Second operand 3 states and 566 transitions. [2021-06-11 06:12:24,371 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 73 transitions, 503 flow [2021-06-11 06:12:24,423 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 73 transitions, 502 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-06-11 06:12:24,424 INFO L241 Difference]: Finished difference. Result has 81 places, 72 transitions, 495 flow [2021-06-11 06:12:24,425 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=217, PETRI_DIFFERENCE_MINUEND_FLOW=483, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=495, PETRI_PLACES=81, PETRI_TRANSITIONS=72} [2021-06-11 06:12:24,425 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 35 predicate places. [2021-06-11 06:12:24,425 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:12:24,425 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 81 places, 72 transitions, 495 flow [2021-06-11 06:12:24,425 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 81 places, 72 transitions, 495 flow [2021-06-11 06:12:24,426 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 81 places, 72 transitions, 495 flow [2021-06-11 06:12:24,543 INFO L129 PetriNetUnfolder]: 601/1375 cut-off events. [2021-06-11 06:12:24,544 INFO L130 PetriNetUnfolder]: For 3694/3877 co-relation queries the response was YES. [2021-06-11 06:12:24,553 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5015 conditions, 1375 events. 601/1375 cut-off events. For 3694/3877 co-relation queries the response was YES. Maximal size of possible extension queue 249. Compared 11204 event pairs, 18 based on Foata normal form. 15/1223 useless extension candidates. Maximal degree in co-relation 4983. Up to 392 conditions per place. [2021-06-11 06:12:24,569 INFO L151 LiptonReduction]: Number of co-enabled transitions 1426 [2021-06-11 06:12:24,588 INFO L163 LiptonReduction]: Checked pairs total: 579 [2021-06-11 06:12:24,588 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:12:24,588 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 163 [2021-06-11 06:12:24,588 INFO L480 AbstractCegarLoop]: Abstraction has has 81 places, 72 transitions, 495 flow [2021-06-11 06:12:24,589 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 187.66666666666666) internal successors, (563), 3 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:24,589 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:12:24,589 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:12:24,589 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-06-11 06:12:24,589 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:12:24,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:12:24,589 INFO L82 PathProgramCache]: Analyzing trace with hash 955680470, now seen corresponding path program 3 times [2021-06-11 06:12:24,590 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:12:24,590 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411512364] [2021-06-11 06:12:24,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:12:24,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:12:24,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:24,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:12:24,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:24,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:12:24,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:24,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:12:24,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:24,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:12:24,658 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-06-11 06:12:24,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:12:24,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:24,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:24,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:12:24,668 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411512364] [2021-06-11 06:12:24,668 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:12:24,668 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-11 06:12:24,668 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565879798] [2021-06-11 06:12:24,668 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-11 06:12:24,668 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:12:24,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-11 06:12:24,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-06-11 06:12:24,670 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 217 [2021-06-11 06:12:24,671 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 72 transitions, 495 flow. Second operand has 7 states, 7 states have (on average 175.85714285714286) internal successors, (1231), 7 states have internal predecessors, (1231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:24,671 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:12:24,671 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 217 [2021-06-11 06:12:24,671 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:12:24,952 INFO L129 PetriNetUnfolder]: 577/1306 cut-off events. [2021-06-11 06:12:24,952 INFO L130 PetriNetUnfolder]: For 4386/8233 co-relation queries the response was YES. [2021-06-11 06:12:24,961 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5649 conditions, 1306 events. 577/1306 cut-off events. For 4386/8233 co-relation queries the response was YES. Maximal size of possible extension queue 280. Compared 10635 event pairs, 6 based on Foata normal form. 779/1871 useless extension candidates. Maximal degree in co-relation 5615. Up to 380 conditions per place. [2021-06-11 06:12:24,968 INFO L132 encePairwiseOnDemand]: 210/217 looper letters, 2 selfloop transitions, 33 changer transitions 4/77 dead transitions. [2021-06-11 06:12:24,968 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 77 transitions, 629 flow [2021-06-11 06:12:24,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-11 06:12:24,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-06-11 06:12:24,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1966 transitions. [2021-06-11 06:12:24,973 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8236279849183075 [2021-06-11 06:12:24,973 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1966 transitions. [2021-06-11 06:12:24,973 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1966 transitions. [2021-06-11 06:12:24,974 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:12:24,974 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1966 transitions. [2021-06-11 06:12:24,977 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 178.72727272727272) internal successors, (1966), 11 states have internal predecessors, (1966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:24,981 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 217.0) internal successors, (2604), 12 states have internal predecessors, (2604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:24,982 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 217.0) internal successors, (2604), 12 states have internal predecessors, (2604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:24,982 INFO L185 Difference]: Start difference. First operand has 81 places, 72 transitions, 495 flow. Second operand 11 states and 1966 transitions. [2021-06-11 06:12:24,982 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 77 transitions, 629 flow [2021-06-11 06:12:25,018 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 77 transitions, 607 flow, removed 7 selfloop flow, removed 3 redundant places. [2021-06-11 06:12:25,020 INFO L241 Difference]: Finished difference. Result has 91 places, 73 transitions, 567 flow [2021-06-11 06:12:25,020 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=217, PETRI_DIFFERENCE_MINUEND_FLOW=473, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=567, PETRI_PLACES=91, PETRI_TRANSITIONS=73} [2021-06-11 06:12:25,020 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 45 predicate places. [2021-06-11 06:12:25,020 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:12:25,020 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 91 places, 73 transitions, 567 flow [2021-06-11 06:12:25,020 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 91 places, 73 transitions, 567 flow [2021-06-11 06:12:25,021 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 90 places, 73 transitions, 567 flow [2021-06-11 06:12:25,129 INFO L129 PetriNetUnfolder]: 565/1290 cut-off events. [2021-06-11 06:12:25,129 INFO L130 PetriNetUnfolder]: For 3867/4214 co-relation queries the response was YES. [2021-06-11 06:12:25,139 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5565 conditions, 1290 events. 565/1290 cut-off events. For 3867/4214 co-relation queries the response was YES. Maximal size of possible extension queue 243. Compared 10687 event pairs, 6 based on Foata normal form. 14/1149 useless extension candidates. Maximal degree in co-relation 5531. Up to 380 conditions per place. [2021-06-11 06:12:25,155 INFO L151 LiptonReduction]: Number of co-enabled transitions 1382 [2021-06-11 06:12:25,189 INFO L163 LiptonReduction]: Checked pairs total: 676 [2021-06-11 06:12:25,189 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:12:25,190 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 170 [2021-06-11 06:12:25,193 INFO L480 AbstractCegarLoop]: Abstraction has has 90 places, 73 transitions, 567 flow [2021-06-11 06:12:25,193 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 175.85714285714286) internal successors, (1231), 7 states have internal predecessors, (1231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:25,193 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:12:25,193 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:12:25,194 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-06-11 06:12:25,194 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:12:25,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:12:25,194 INFO L82 PathProgramCache]: Analyzing trace with hash -521763682, now seen corresponding path program 1 times [2021-06-11 06:12:25,194 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:12:25,194 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958525679] [2021-06-11 06:12:25,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:12:25,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:12:25,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:25,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:25,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:25,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:12:25,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:25,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:12:25,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:12:25,289 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958525679] [2021-06-11 06:12:25,290 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:12:25,290 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 06:12:25,290 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031979223] [2021-06-11 06:12:25,292 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 06:12:25,292 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:12:25,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 06:12:25,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-11 06:12:25,293 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 184 out of 217 [2021-06-11 06:12:25,293 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 73 transitions, 567 flow. Second operand has 4 states, 4 states have (on average 185.0) internal successors, (740), 4 states have internal predecessors, (740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:25,293 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:12:25,293 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 184 of 217 [2021-06-11 06:12:25,294 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:12:25,546 INFO L129 PetriNetUnfolder]: 1120/2509 cut-off events. [2021-06-11 06:12:25,546 INFO L130 PetriNetUnfolder]: For 8320/9966 co-relation queries the response was YES. [2021-06-11 06:12:25,566 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10873 conditions, 2509 events. 1120/2509 cut-off events. For 8320/9966 co-relation queries the response was YES. Maximal size of possible extension queue 518. Compared 22851 event pairs, 11 based on Foata normal form. 25/2076 useless extension candidates. Maximal degree in co-relation 10837. Up to 745 conditions per place. [2021-06-11 06:12:25,572 INFO L132 encePairwiseOnDemand]: 214/217 looper letters, 3 selfloop transitions, 2 changer transitions 12/74 dead transitions. [2021-06-11 06:12:25,572 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 74 transitions, 579 flow [2021-06-11 06:12:25,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-11 06:12:25,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-11 06:12:25,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 742 transitions. [2021-06-11 06:12:25,575 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8548387096774194 [2021-06-11 06:12:25,575 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 742 transitions. [2021-06-11 06:12:25,575 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 742 transitions. [2021-06-11 06:12:25,575 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:12:25,575 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 742 transitions. [2021-06-11 06:12:25,577 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 185.5) internal successors, (742), 4 states have internal predecessors, (742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:25,578 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 217.0) internal successors, (1085), 5 states have internal predecessors, (1085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:25,579 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 217.0) internal successors, (1085), 5 states have internal predecessors, (1085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:25,579 INFO L185 Difference]: Start difference. First operand has 90 places, 73 transitions, 567 flow. Second operand 4 states and 742 transitions. [2021-06-11 06:12:25,579 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 74 transitions, 579 flow [2021-06-11 06:12:25,742 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 74 transitions, 463 flow, removed 26 selfloop flow, removed 11 redundant places. [2021-06-11 06:12:25,743 INFO L241 Difference]: Finished difference. Result has 84 places, 62 transitions, 373 flow [2021-06-11 06:12:25,743 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=217, PETRI_DIFFERENCE_MINUEND_FLOW=451, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=373, PETRI_PLACES=84, PETRI_TRANSITIONS=62} [2021-06-11 06:12:25,743 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 38 predicate places. [2021-06-11 06:12:25,743 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:12:25,744 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 84 places, 62 transitions, 373 flow [2021-06-11 06:12:25,744 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 84 places, 62 transitions, 373 flow [2021-06-11 06:12:25,744 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 79 places, 62 transitions, 373 flow [2021-06-11 06:12:25,824 INFO L129 PetriNetUnfolder]: 277/649 cut-off events. [2021-06-11 06:12:25,824 INFO L130 PetriNetUnfolder]: For 1101/1155 co-relation queries the response was YES. [2021-06-11 06:12:25,828 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2320 conditions, 649 events. 277/649 cut-off events. For 1101/1155 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 4612 event pairs, 0 based on Foata normal form. 1/552 useless extension candidates. Maximal degree in co-relation 2293. Up to 200 conditions per place. [2021-06-11 06:12:25,835 INFO L151 LiptonReduction]: Number of co-enabled transitions 840 [2021-06-11 06:12:25,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:25,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:26,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:26,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:26,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:26,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:26,213 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 69 [2021-06-11 06:12:26,512 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 88 [2021-06-11 06:12:26,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:26,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:12:26,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:26,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-06-11 06:12:26,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:12:26,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:26,589 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 3, 2, 1] term [2021-06-11 06:12:26,590 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 06:12:26,591 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:26,592 INFO L147 QuantifierPusher]: treesize reduction 37, result has 63.0 percent of original size 63 [2021-06-11 06:12:26,593 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:12:26,594 INFO L142 QuantifierPusher]: treesize reduction 37, result has 76.9 percent of original size [2021-06-11 06:12:26,594 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 4, 2, 1] term [2021-06-11 06:12:26,594 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 06:12:26,595 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:26,597 INFO L147 QuantifierPusher]: treesize reduction 89, result has 36.0 percent of original size 50 [2021-06-11 06:12:26,597 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 3, 2, 4, 2, 1] term [2021-06-11 06:12:26,597 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 06:12:26,598 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:26,603 INFO L147 QuantifierPusher]: treesize reduction 154, result has 42.1 percent of original size 112 [2021-06-11 06:12:26,625 INFO L163 LiptonReduction]: Checked pairs total: 149 [2021-06-11 06:12:26,626 INFO L165 LiptonReduction]: Total number of compositions: 5 [2021-06-11 06:12:26,626 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 883 [2021-06-11 06:12:26,626 INFO L480 AbstractCegarLoop]: Abstraction has has 76 places, 59 transitions, 375 flow [2021-06-11 06:12:26,627 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 185.0) internal successors, (740), 4 states have internal predecessors, (740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:26,627 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:12:26,627 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:12:26,627 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-06-11 06:12:26,627 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:12:26,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:12:26,627 INFO L82 PathProgramCache]: Analyzing trace with hash 860342724, now seen corresponding path program 2 times [2021-06-11 06:12:26,627 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:12:26,627 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606430717] [2021-06-11 06:12:26,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:12:26,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-11 06:12:26,663 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-11 06:12:26,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-11 06:12:26,701 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-11 06:12:26,742 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-11 06:12:26,742 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-06-11 06:12:26,742 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-06-11 06:12:26,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.06 06:12:26 BasicIcfg [2021-06-11 06:12:26,855 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-11 06:12:26,855 INFO L168 Benchmark]: Toolchain (without parser) took 24982.29 ms. Allocated memory was 348.1 MB in the beginning and 828.4 MB in the end (delta: 480.2 MB). Free memory was 310.6 MB in the beginning and 566.0 MB in the end (delta: -255.4 MB). Peak memory consumption was 226.9 MB. Max. memory is 16.0 GB. [2021-06-11 06:12:26,855 INFO L168 Benchmark]: CDTParser took 0.90 ms. Allocated memory is still 348.1 MB. Free memory was 328.5 MB in the beginning and 328.4 MB in the end (delta: 65.5 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-11 06:12:26,855 INFO L168 Benchmark]: CACSL2BoogieTranslator took 660.70 ms. Allocated memory is still 348.1 MB. Free memory was 310.4 MB in the beginning and 305.6 MB in the end (delta: 4.8 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.0 GB. [2021-06-11 06:12:26,855 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.11 ms. Allocated memory is still 348.1 MB. Free memory was 305.6 MB in the beginning and 303.3 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-11 06:12:26,856 INFO L168 Benchmark]: Boogie Preprocessor took 46.27 ms. Allocated memory is still 348.1 MB. Free memory was 303.3 MB in the beginning and 300.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-06-11 06:12:26,856 INFO L168 Benchmark]: RCFGBuilder took 1956.26 ms. Allocated memory is still 348.1 MB. Free memory was 300.1 MB in the beginning and 230.7 MB in the end (delta: 69.4 MB). Peak memory consumption was 139.6 MB. Max. memory is 16.0 GB. [2021-06-11 06:12:26,856 INFO L168 Benchmark]: TraceAbstraction took 22232.23 ms. Allocated memory was 348.1 MB in the beginning and 828.4 MB in the end (delta: 480.2 MB). Free memory was 229.7 MB in the beginning and 566.0 MB in the end (delta: -336.3 MB). Peak memory consumption was 142.9 MB. Max. memory is 16.0 GB. [2021-06-11 06:12:26,856 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.90 ms. Allocated memory is still 348.1 MB. Free memory was 328.5 MB in the beginning and 328.4 MB in the end (delta: 65.5 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 660.70 ms. Allocated memory is still 348.1 MB. Free memory was 310.4 MB in the beginning and 305.6 MB in the end (delta: 4.8 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 80.11 ms. Allocated memory is still 348.1 MB. Free memory was 305.6 MB in the beginning and 303.3 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 46.27 ms. Allocated memory is still 348.1 MB. Free memory was 303.3 MB in the beginning and 300.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1956.26 ms. Allocated memory is still 348.1 MB. Free memory was 300.1 MB in the beginning and 230.7 MB in the end (delta: 69.4 MB). Peak memory consumption was 139.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 22232.23 ms. Allocated memory was 348.1 MB in the beginning and 828.4 MB in the end (delta: 480.2 MB). Free memory was 229.7 MB in the beginning and 566.0 MB in the end (delta: -336.3 MB). Peak memory consumption was 142.9 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6510.5ms, 123 PlacesBefore, 46 PlacesAfterwards, 112 TransitionsBefore, 34 TransitionsAfterwards, 2630 CoEnabledTransitionPairs, 8 FixpointIterations, 40 TrivialSequentialCompositions, 52 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 1 ChoiceCompositions, 99 TotalNumberOfCompositions, 8244 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3668, positive: 3445, positive conditional: 0, positive unconditional: 3445, negative: 223, negative conditional: 0, negative unconditional: 223, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1815, positive: 1763, positive conditional: 0, positive unconditional: 1763, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1815, positive: 1763, positive conditional: 0, positive unconditional: 1763, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1815, positive: 1737, positive conditional: 0, positive unconditional: 1737, negative: 78, negative conditional: 0, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 78, positive: 26, positive conditional: 0, positive unconditional: 26, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 693, positive: 53, positive conditional: 0, positive unconditional: 53, negative: 640, negative conditional: 0, negative unconditional: 640, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3668, positive: 1682, positive conditional: 0, positive unconditional: 1682, negative: 171, negative conditional: 0, negative unconditional: 171, unknown: 1815, unknown conditional: 0, unknown unconditional: 1815] , Statistics on independence cache: Total cache size (in pairs): 3234, Positive cache size: 3182, Positive conditional cache size: 0, Positive unconditional cache size: 3182, Negative cache size: 52, Negative conditional cache size: 0, Negative unconditional cache size: 52 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8766.3ms, 42 PlacesBefore, 41 PlacesAfterwards, 31 TransitionsBefore, 30 TransitionsAfterwards, 488 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 1126 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 376, positive: 320, positive conditional: 0, positive unconditional: 320, negative: 56, negative conditional: 0, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 48, positive: 39, positive conditional: 0, positive unconditional: 39, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 48, positive: 39, positive conditional: 0, positive unconditional: 39, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 48, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 12, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 312, positive: 78, positive conditional: 0, positive unconditional: 78, negative: 233, negative conditional: 0, negative unconditional: 233, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 376, positive: 281, positive conditional: 0, positive unconditional: 281, negative: 47, negative conditional: 0, negative unconditional: 47, unknown: 48, unknown conditional: 0, unknown unconditional: 48] , Statistics on independence cache: Total cache size (in pairs): 3308, Positive cache size: 3247, Positive conditional cache size: 0, Positive unconditional cache size: 3247, Negative cache size: 61, Negative conditional cache size: 0, Negative unconditional cache size: 61 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 107.2ms, 44 PlacesBefore, 39 PlacesAfterwards, 27 TransitionsBefore, 27 TransitionsAfterwards, 366 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 434 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 154, positive: 129, positive conditional: 0, positive unconditional: 129, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 15, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 15, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 7, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 100, positive: 32, positive conditional: 0, positive unconditional: 32, negative: 68, negative conditional: 0, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 154, positive: 117, positive conditional: 0, positive unconditional: 117, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 15, unknown conditional: 0, unknown unconditional: 15] , Statistics on independence cache: Total cache size (in pairs): 3323, Positive cache size: 3259, Positive conditional cache size: 0, Positive unconditional cache size: 3259, Negative cache size: 64, Negative conditional cache size: 0, Negative unconditional cache size: 64 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 22.4ms, 40 PlacesBefore, 40 PlacesAfterwards, 29 TransitionsBefore, 29 TransitionsAfterwards, 408 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 388 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 158, positive: 137, positive conditional: 0, positive unconditional: 137, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 13, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 158, positive: 135, positive conditional: 0, positive unconditional: 135, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 3326, Positive cache size: 3261, Positive conditional cache size: 0, Positive unconditional cache size: 3261, Negative cache size: 65, Negative conditional cache size: 0, Negative unconditional cache size: 65 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 17.7ms, 43 PlacesBefore, 43 PlacesAfterwards, 32 TransitionsBefore, 32 TransitionsAfterwards, 458 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 380 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 172, positive: 154, positive conditional: 0, positive unconditional: 154, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, 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: 3, positive: 3, positive conditional: 0, 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: 3, positive: 3, positive conditional: 0, positive unconditional: 3, 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: 172, positive: 151, positive conditional: 0, positive unconditional: 151, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 3329, Positive cache size: 3264, Positive conditional cache size: 0, Positive unconditional cache size: 3264, Negative cache size: 65, Negative conditional cache size: 0, Negative unconditional cache size: 65 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 21.2ms, 45 PlacesBefore, 45 PlacesAfterwards, 35 TransitionsBefore, 35 TransitionsAfterwards, 506 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 391 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 187, positive: 170, positive conditional: 0, positive unconditional: 170, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 0, positive unconditional: 5, 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: 5, positive: 5, positive conditional: 0, positive unconditional: 5, 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: 5, positive: 5, positive conditional: 0, positive unconditional: 5, 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: 187, positive: 165, positive conditional: 0, positive unconditional: 165, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , Statistics on independence cache: Total cache size (in pairs): 3334, Positive cache size: 3269, Positive conditional cache size: 0, Positive unconditional cache size: 3269, Negative cache size: 65, Negative conditional cache size: 0, Negative unconditional cache size: 65 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 19.6ms, 48 PlacesBefore, 48 PlacesAfterwards, 37 TransitionsBefore, 37 TransitionsAfterwards, 530 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 425 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 201, positive: 183, positive conditional: 0, positive unconditional: 183, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 201, positive: 182, positive conditional: 0, positive unconditional: 182, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 3335, Positive cache size: 3270, Positive conditional cache size: 0, Positive unconditional cache size: 3270, Negative cache size: 65, Negative conditional cache size: 0, Negative unconditional cache size: 65 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 33.2ms, 53 PlacesBefore, 53 PlacesAfterwards, 44 TransitionsBefore, 44 TransitionsAfterwards, 626 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 538 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 243, positive: 223, positive conditional: 0, positive unconditional: 223, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 243, positive: 221, positive conditional: 0, positive unconditional: 221, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 3337, Positive cache size: 3272, Positive conditional cache size: 0, Positive unconditional cache size: 3272, Negative cache size: 65, Negative conditional cache size: 0, Negative unconditional cache size: 65 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 33.4ms, 57 PlacesBefore, 57 PlacesAfterwards, 47 TransitionsBefore, 47 TransitionsAfterwards, 664 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 622 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 258, positive: 236, positive conditional: 0, positive unconditional: 236, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 258, positive: 234, positive conditional: 0, positive unconditional: 234, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 3339, Positive cache size: 3274, Positive conditional cache size: 0, Positive unconditional cache size: 3274, Negative cache size: 65, Negative conditional cache size: 0, Negative unconditional cache size: 65 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 33.4ms, 61 PlacesBefore, 61 PlacesAfterwards, 50 TransitionsBefore, 50 TransitionsAfterwards, 728 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 720 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 222, positive: 198, positive conditional: 0, positive unconditional: 198, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 222, positive: 198, positive conditional: 0, positive unconditional: 198, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3339, Positive cache size: 3274, Positive conditional cache size: 0, Positive unconditional cache size: 3274, Negative cache size: 65, Negative conditional cache size: 0, Negative unconditional cache size: 65 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 99.4ms, 66 PlacesBefore, 66 PlacesAfterwards, 59 TransitionsBefore, 59 TransitionsAfterwards, 1030 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 852 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 364, positive: 341, positive conditional: 0, positive unconditional: 341, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 364, positive: 341, positive conditional: 0, positive unconditional: 341, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3339, Positive cache size: 3274, Positive conditional cache size: 0, Positive unconditional cache size: 3274, Negative cache size: 65, Negative conditional cache size: 0, Negative unconditional cache size: 65 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 85.3ms, 74 PlacesBefore, 74 PlacesAfterwards, 66 TransitionsBefore, 66 TransitionsAfterwards, 1242 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 961 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 470, positive: 447, positive conditional: 0, positive unconditional: 447, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 470, positive: 447, positive conditional: 0, positive unconditional: 447, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3339, Positive cache size: 3274, Positive conditional cache size: 0, Positive unconditional cache size: 3274, Negative cache size: 65, Negative conditional cache size: 0, Negative unconditional cache size: 65 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 61.0ms, 78 PlacesBefore, 78 PlacesAfterwards, 70 TransitionsBefore, 70 TransitionsAfterwards, 1346 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1119 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 542, positive: 518, positive conditional: 0, positive unconditional: 518, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 542, positive: 518, positive conditional: 0, positive unconditional: 518, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3339, Positive cache size: 3274, Positive conditional cache size: 0, Positive unconditional cache size: 3274, Negative cache size: 65, Negative conditional cache size: 0, Negative unconditional cache size: 65 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 94.9ms, 79 PlacesBefore, 79 PlacesAfterwards, 71 TransitionsBefore, 71 TransitionsAfterwards, 1396 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 818 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 365, positive: 348, positive conditional: 0, positive unconditional: 348, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 365, positive: 348, positive conditional: 0, positive unconditional: 348, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3339, Positive cache size: 3274, Positive conditional cache size: 0, Positive unconditional cache size: 3274, Negative cache size: 65, Negative conditional cache size: 0, Negative unconditional cache size: 65 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 162.6ms, 81 PlacesBefore, 81 PlacesAfterwards, 72 TransitionsBefore, 72 TransitionsAfterwards, 1426 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 579 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 358, positive: 347, positive conditional: 0, positive unconditional: 347, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 358, positive: 347, positive conditional: 0, positive unconditional: 347, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3339, Positive cache size: 3274, Positive conditional cache size: 0, Positive unconditional cache size: 3274, Negative cache size: 65, Negative conditional cache size: 0, Negative unconditional cache size: 65 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 169.0ms, 91 PlacesBefore, 90 PlacesAfterwards, 73 TransitionsBefore, 73 TransitionsAfterwards, 1382 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 676 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 421, positive: 407, positive conditional: 0, positive unconditional: 407, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 421, positive: 406, positive conditional: 0, positive unconditional: 406, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 3340, Positive cache size: 3275, Positive conditional cache size: 0, Positive unconditional cache size: 3275, Negative cache size: 65, Negative conditional cache size: 0, Negative unconditional cache size: 65 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 881.8ms, 84 PlacesBefore, 76 PlacesAfterwards, 62 TransitionsBefore, 59 TransitionsAfterwards, 840 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 5 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 5 TotalNumberOfCompositions, 149 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 149, positive: 149, positive conditional: 0, positive unconditional: 149, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 0, positive unconditional: 5, 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: 5, positive: 5, positive conditional: 0, positive unconditional: 5, 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: 5, positive: 5, positive conditional: 0, positive unconditional: 5, 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: 149, positive: 144, positive conditional: 0, positive unconditional: 144, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , Statistics on independence cache: Total cache size (in pairs): 3813, Positive cache size: 3748, Positive conditional cache size: 0, Positive unconditional cache size: 3748, Negative cache size: 65, Negative conditional cache size: 0, Negative unconditional cache size: 65 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p0_EAX = 0; [L714] 0 int __unbuffered_p3_EAX = 0; [L716] 0 int __unbuffered_p3_EBX = 0; [L718] 0 int a = 0; [L719] 0 _Bool main$tmp_guard0; [L720] 0 _Bool main$tmp_guard1; [L722] 0 int x = 0; [L724] 0 int y = 0; [L725] 0 _Bool y$flush_delayed; [L726] 0 int y$mem_tmp; [L727] 0 _Bool y$r_buff0_thd0; [L728] 0 _Bool y$r_buff0_thd1; [L729] 0 _Bool y$r_buff0_thd2; [L730] 0 _Bool y$r_buff0_thd3; [L731] 0 _Bool y$r_buff0_thd4; [L732] 0 _Bool y$r_buff1_thd0; [L733] 0 _Bool y$r_buff1_thd1; [L734] 0 _Bool y$r_buff1_thd2; [L735] 0 _Bool y$r_buff1_thd3; [L736] 0 _Bool y$r_buff1_thd4; [L737] 0 _Bool y$read_delayed; [L738] 0 int *y$read_delayed_var; [L739] 0 int y$w_buff0; [L740] 0 _Bool y$w_buff0_used; [L741] 0 int y$w_buff1; [L742] 0 _Bool y$w_buff1_used; [L744] 0 int z = 0; [L745] 0 _Bool weak$$choice0; [L746] 0 _Bool weak$$choice2; [L846] 0 pthread_t t789; [L847] FCALL, FORK 0 pthread_create(&t789, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=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, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L848] 0 pthread_t t790; [L849] FCALL, FORK 0 pthread_create(&t790, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=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, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L850] 0 pthread_t t791; [L851] FCALL, FORK 0 pthread_create(&t791, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=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, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L785] 3 y$w_buff1 = y$w_buff0 [L786] 3 y$w_buff0 = 2 [L787] 3 y$w_buff1_used = y$w_buff0_used [L788] 3 y$w_buff0_used = (_Bool)1 [L18] COND FALSE 3 !(!expression) [L790] 3 y$r_buff1_thd0 = y$r_buff0_thd0 [L791] 3 y$r_buff1_thd1 = y$r_buff0_thd1 [L792] 3 y$r_buff1_thd2 = y$r_buff0_thd2 [L793] 3 y$r_buff1_thd3 = y$r_buff0_thd3 [L794] 3 y$r_buff1_thd4 = y$r_buff0_thd4 [L795] 3 y$r_buff0_thd3 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L798] 3 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=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, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L852] 0 pthread_t t792; [L853] FCALL, FORK 0 pthread_create(&t792, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=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, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L815] 4 z = 2 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L818] 4 __unbuffered_p3_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L821] 4 __unbuffered_p3_EBX = a VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L750] 1 a = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=2, __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$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L753] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=2, __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$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L765] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=2, __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$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L768] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=2, __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$$choice0=0, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L801] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L801] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L802] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L802] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L803] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L803] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L804] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L804] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L805] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L805] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L771] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L771] EXPR 2 y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y [L771] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L771] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L772] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L772] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L773] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L773] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L774] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L774] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L775] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L775] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L824] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y) [L824] EXPR 4 y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y [L824] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y) [L824] 4 y = y$w_buff0_used && y$r_buff0_thd4 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y) [L825] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$w_buff0_used [L825] 4 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$w_buff0_used [L826] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$w_buff1_used [L826] 4 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$w_buff1_used [L827] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$r_buff0_thd4 [L827] 4 y$r_buff0_thd4 = y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$r_buff0_thd4 [L828] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$r_buff1_thd4 [L828] 4 y$r_buff1_thd4 = y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$r_buff1_thd4 [L758] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L760] 1 return 0; [L778] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L780] 2 return 0; [L808] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L810] 3 return 0; [L831] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L833] 4 return 0; [L855] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L3] COND FALSE 0 !(!cond) [L859] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L859] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L859] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L859] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L860] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L860] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L861] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L861] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L862] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L862] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L863] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L863] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L866] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L867] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L868] 0 y$flush_delayed = weak$$choice2 [L869] 0 y$mem_tmp = y [L870] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L870] 0 y = !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L871] EXPR 0 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L871] 0 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L872] EXPR 0 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L872] 0 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L873] EXPR 0 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L873] 0 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L874] EXPR 0 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L874] 0 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L875] EXPR 0 weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L875] 0 y$r_buff0_thd0 = weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L876] EXPR 0 weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L876] 0 y$r_buff1_thd0 = weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L877] 0 main$tmp_guard1 = !(y == 2 && z == 2 && __unbuffered_p0_EAX == 0 && __unbuffered_p3_EAX == 2 && __unbuffered_p3_EBX == 0) [L878] EXPR 0 y$flush_delayed ? y$mem_tmp : y [L878] 0 y = y$flush_delayed ? y$mem_tmp : y [L879] 0 y$flush_delayed = (_Bool)0 [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 115 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 3.4ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 22024.4ms, OverallIterations: 17, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 2734.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 6580.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 68 SDtfs, 36 SDslu, 23 SDs, 0 SdLazy, 425 SolverSat, 131 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 551.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 70 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 461.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=568occurred in iteration=12, InterpolantAutomatonStates: 82, 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: 60.8ms SsaConstructionTime, 513.3ms SatisfiabilityAnalysisTime, 1130.9ms InterpolantComputationTime, 301 NumberOfCodeBlocks, 301 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 258 ConstructedInterpolants, 0 QuantifiedInterpolants, 1662 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 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...