/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-RepeatedVariableLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix040_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-25 04:44:12,093 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-25 04:44:12,096 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-25 04:44:12,132 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-25 04:44:12,132 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-25 04:44:12,135 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-25 04:44:12,137 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-25 04:44:12,143 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-25 04:44:12,145 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-25 04:44:12,149 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-25 04:44:12,150 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-25 04:44:12,151 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-25 04:44:12,151 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-25 04:44:12,153 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-25 04:44:12,154 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-25 04:44:12,155 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-25 04:44:12,157 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-25 04:44:12,158 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-25 04:44:12,160 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-25 04:44:12,167 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-25 04:44:12,169 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-25 04:44:12,170 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-25 04:44:12,171 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-25 04:44:12,172 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-25 04:44:12,178 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-25 04:44:12,186 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-25 04:44:12,187 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-25 04:44:12,187 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-25 04:44:12,191 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-RepeatedVariableLbe.epf [2021-03-25 04:44:12,224 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-25 04:44:12,224 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-25 04:44:12,227 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-25 04:44:12,228 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-25 04:44:12,228 INFO L138 SettingsManager]: * Use SBE=true [2021-03-25 04:44:12,228 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-25 04:44:12,228 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-25 04:44:12,228 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-25 04:44:12,229 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-25 04:44:12,229 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-25 04:44:12,230 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-25 04:44:12,230 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-25 04:44:12,230 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-25 04:44:12,230 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-25 04:44:12,230 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-25 04:44:12,230 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-25 04:44:12,231 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-25 04:44:12,231 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-25 04:44:12,231 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-25 04:44:12,231 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-25 04:44:12,231 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-25 04:44:12,232 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-25 04:44:12,232 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-25 04:44:12,232 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-25 04:44:12,232 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-25 04:44:12,232 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-25 04:44:12,232 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-25 04:44:12,233 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2021-03-25 04:44:12,233 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-25 04:44:12,233 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-25 04:44:12,233 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-25 04:44:12,551 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-25 04:44:12,573 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-25 04:44:12,576 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-25 04:44:12,577 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-25 04:44:12,581 INFO L275 PluginConnector]: CDTParser initialized [2021-03-25 04:44:12,582 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix040_rmo.opt.i [2021-03-25 04:44:12,643 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e188fc54/2efac0a8c03d45e8a1cdb5c07fbc5e93/FLAGb06b3cd24 [2021-03-25 04:44:13,110 INFO L306 CDTParser]: Found 1 translation units. [2021-03-25 04:44:13,111 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix040_rmo.opt.i [2021-03-25 04:44:13,124 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e188fc54/2efac0a8c03d45e8a1cdb5c07fbc5e93/FLAGb06b3cd24 [2021-03-25 04:44:13,136 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e188fc54/2efac0a8c03d45e8a1cdb5c07fbc5e93 [2021-03-25 04:44:13,138 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-25 04:44:13,139 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-25 04:44:13,140 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-25 04:44:13,140 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-25 04:44:13,143 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-25 04:44:13,144 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 04:44:13" (1/1) ... [2021-03-25 04:44:13,145 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b635715 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:44:13, skipping insertion in model container [2021-03-25 04:44:13,145 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 04:44:13" (1/1) ... [2021-03-25 04:44:13,153 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-25 04:44:13,185 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-25 04:44:13,296 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/mix040_rmo.opt.i[948,961] [2021-03-25 04:44:13,465 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 04:44:13,473 INFO L203 MainTranslator]: Completed pre-run [2021-03-25 04:44:13,482 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/mix040_rmo.opt.i[948,961] [2021-03-25 04:44:13,549 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 04:44:13,622 INFO L208 MainTranslator]: Completed translation [2021-03-25 04:44:13,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:44:13 WrapperNode [2021-03-25 04:44:13,625 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-25 04:44:13,626 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-25 04:44:13,626 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-25 04:44:13,626 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-25 04:44:13,633 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:44:13" (1/1) ... [2021-03-25 04:44:13,666 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:44:13" (1/1) ... [2021-03-25 04:44:13,702 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-25 04:44:13,703 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-25 04:44:13,704 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-25 04:44:13,704 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-25 04:44:13,711 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:44:13" (1/1) ... [2021-03-25 04:44:13,711 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:44:13" (1/1) ... [2021-03-25 04:44:13,727 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:44:13" (1/1) ... [2021-03-25 04:44:13,727 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:44:13" (1/1) ... [2021-03-25 04:44:13,738 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:44:13" (1/1) ... [2021-03-25 04:44:13,740 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:44:13" (1/1) ... [2021-03-25 04:44:13,743 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:44:13" (1/1) ... [2021-03-25 04:44:13,747 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-25 04:44:13,748 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-25 04:44:13,748 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-25 04:44:13,748 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-25 04:44:13,748 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:44:13" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-25 04:44:13,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-25 04:44:13,804 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-25 04:44:13,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-25 04:44:13,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-25 04:44:13,804 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-25 04:44:13,804 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-25 04:44:13,804 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-25 04:44:13,805 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-25 04:44:13,805 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-25 04:44:13,805 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-25 04:44:13,805 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-03-25 04:44:13,805 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-03-25 04:44:13,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-25 04:44:13,805 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-25 04:44:13,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-25 04:44:13,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-25 04:44:13,807 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-25 04:44:15,426 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-25 04:44:15,426 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-25 04:44:15,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 04:44:15 BoogieIcfgContainer [2021-03-25 04:44:15,428 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-25 04:44:15,429 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-25 04:44:15,429 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-25 04:44:15,431 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-25 04:44:15,432 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.03 04:44:13" (1/3) ... [2021-03-25 04:44:15,432 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7648e8a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 04:44:15, skipping insertion in model container [2021-03-25 04:44:15,432 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:44:13" (2/3) ... [2021-03-25 04:44:15,432 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7648e8a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 04:44:15, skipping insertion in model container [2021-03-25 04:44:15,433 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 04:44:15" (3/3) ... [2021-03-25 04:44:15,434 INFO L111 eAbstractionObserver]: Analyzing ICFG mix040_rmo.opt.i [2021-03-25 04:44:15,441 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-25 04:44:15,445 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-25 04:44:15,446 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-25 04:44:15,486 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,488 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,488 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,488 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,489 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,489 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,489 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,489 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,489 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,489 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,490 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,490 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,490 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,490 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,491 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,491 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,491 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,491 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,491 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,491 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,491 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,492 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,492 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,492 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,493 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,493 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,493 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,493 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,493 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,493 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,493 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,494 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,494 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,494 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,495 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,495 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,495 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,496 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,496 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,496 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,496 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,496 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,496 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,496 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,496 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,497 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,497 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,497 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,497 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,497 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,497 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,497 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,497 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,497 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,497 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,498 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,498 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,498 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,498 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,498 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,498 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,498 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,498 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,498 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,499 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,499 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,499 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,499 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,499 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,499 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,501 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,501 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,502 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,502 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,502 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,518 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,518 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,519 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,519 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,519 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,519 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,519 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,519 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,520 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,520 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,520 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,520 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,520 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,520 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,520 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,520 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,520 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,520 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,521 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,521 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,521 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,523 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,525 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,525 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,525 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,525 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,530 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,531 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,531 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,531 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,531 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,531 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,531 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,533 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,533 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,533 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,533 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,534 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,534 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,534 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,535 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,535 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,535 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,535 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,535 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,535 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,535 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,535 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,535 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,535 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,536 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,536 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,536 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,536 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,537 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,537 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,537 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,538 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,538 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,538 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,538 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,538 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,538 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,538 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,538 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,538 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,539 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,539 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,539 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,539 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,539 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,541 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,541 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,541 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,541 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,543 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,543 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,543 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,544 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,545 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,545 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,545 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,545 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,546 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,546 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,546 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,547 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,547 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,548 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,548 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,549 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,549 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,550 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,550 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,550 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,550 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,550 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,550 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,550 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,550 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,550 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,551 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,551 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,551 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,551 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,551 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,552 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,552 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,552 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,553 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,553 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,553 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,553 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,553 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,553 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,553 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,553 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,553 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:44:15,554 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-25 04:44:15,570 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-03-25 04:44:15,590 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-25 04:44:15,590 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-25 04:44:15,590 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-25 04:44:15,591 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-25 04:44:15,591 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-25 04:44:15,591 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-25 04:44:15,591 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-25 04:44:15,591 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-25 04:44:15,600 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 127 places, 116 transitions, 252 flow [2021-03-25 04:44:15,635 INFO L129 PetriNetUnfolder]: 2/112 cut-off events. [2021-03-25 04:44:15,636 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:44:15,639 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 78 event pairs, 0 based on Foata normal form. 0/108 useless extension candidates. Maximal degree in co-relation 75. Up to 2 conditions per place. [2021-03-25 04:44:15,640 INFO L82 GeneralOperation]: Start removeDead. Operand has 127 places, 116 transitions, 252 flow [2021-03-25 04:44:15,643 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 123 places, 112 transitions, 236 flow [2021-03-25 04:44:15,645 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:44:15,651 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 123 places, 112 transitions, 236 flow [2021-03-25 04:44:15,654 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 123 places, 112 transitions, 236 flow [2021-03-25 04:44:15,656 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 123 places, 112 transitions, 236 flow [2021-03-25 04:44:15,673 INFO L129 PetriNetUnfolder]: 2/112 cut-off events. [2021-03-25 04:44:15,673 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:44:15,674 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 80 event pairs, 0 based on Foata normal form. 0/108 useless extension candidates. Maximal degree in co-relation 75. Up to 2 conditions per place. [2021-03-25 04:44:15,677 INFO L142 LiptonReduction]: Number of co-enabled transitions 2488 [2021-03-25 04:44:16,831 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-25 04:44:17,203 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 84 [2021-03-25 04:44:17,348 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-03-25 04:44:18,348 INFO L154 LiptonReduction]: Checked pairs total: 3740 [2021-03-25 04:44:18,348 INFO L156 LiptonReduction]: Total number of compositions: 74 [2021-03-25 04:44:18,350 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2706 [2021-03-25 04:44:18,373 INFO L129 PetriNetUnfolder]: 0/31 cut-off events. [2021-03-25 04:44:18,374 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:44:18,374 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:44:18,375 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:44:18,375 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:44:18,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:44:18,379 INFO L82 PathProgramCache]: Analyzing trace with hash -1479378340, now seen corresponding path program 1 times [2021-03-25 04:44:18,390 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:44:18,391 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263956220] [2021-03-25 04:44:18,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:44:18,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:44:18,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:44:18,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:44:18,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:44:18,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:44:18,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:44:18,630 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263956220] [2021-03-25 04:44:18,631 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:44:18,631 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 04:44:18,631 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354840126] [2021-03-25 04:44:18,638 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 04:44:18,638 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:44:18,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 04:44:18,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 04:44:18,653 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 190 [2021-03-25 04:44:18,659 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 47 transitions, 106 flow. Second operand has 3 states, 3 states have (on average 172.66666666666666) internal successors, (518), 3 states have internal predecessors, (518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:44:18,659 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:44:18,659 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 190 [2021-03-25 04:44:18,660 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:44:18,718 INFO L129 PetriNetUnfolder]: 9/88 cut-off events. [2021-03-25 04:44:18,719 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:44:18,720 INFO L84 FinitePrefix]: Finished finitePrefix Result has 123 conditions, 88 events. 9/88 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 240 event pairs, 3 based on Foata normal form. 5/84 useless extension candidates. Maximal degree in co-relation 99. Up to 17 conditions per place. [2021-03-25 04:44:18,721 INFO L132 encePairwiseOnDemand]: 186/190 looper letters, 5 selfloop transitions, 2 changer transitions 0/46 dead transitions. [2021-03-25 04:44:18,721 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 46 transitions, 118 flow [2021-03-25 04:44:18,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 04:44:18,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 04:44:18,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 526 transitions. [2021-03-25 04:44:18,739 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9228070175438596 [2021-03-25 04:44:18,740 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 526 transitions. [2021-03-25 04:44:18,740 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 526 transitions. [2021-03-25 04:44:18,743 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:44:18,745 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 526 transitions. [2021-03-25 04:44:18,750 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 175.33333333333334) internal successors, (526), 3 states have internal predecessors, (526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:44:18,759 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 190.0) internal successors, (760), 4 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:44:18,760 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 190.0) internal successors, (760), 4 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:44:18,761 INFO L185 Difference]: Start difference. First operand has 59 places, 47 transitions, 106 flow. Second operand 3 states and 526 transitions. [2021-03-25 04:44:18,762 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 46 transitions, 118 flow [2021-03-25 04:44:18,764 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 46 transitions, 114 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-25 04:44:18,766 INFO L241 Difference]: Finished difference. Result has 55 places, 44 transitions, 100 flow [2021-03-25 04:44:18,767 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=96, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=100, PETRI_PLACES=55, PETRI_TRANSITIONS=44} [2021-03-25 04:44:18,768 INFO L343 CegarLoopForPetriNet]: 59 programPoint places, -4 predicate places. [2021-03-25 04:44:18,768 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:44:18,768 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 55 places, 44 transitions, 100 flow [2021-03-25 04:44:18,769 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 55 places, 44 transitions, 100 flow [2021-03-25 04:44:18,770 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 55 places, 44 transitions, 100 flow [2021-03-25 04:44:18,779 INFO L129 PetriNetUnfolder]: 0/44 cut-off events. [2021-03-25 04:44:18,779 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:44:18,779 INFO L84 FinitePrefix]: Finished finitePrefix Result has 56 conditions, 44 events. 0/44 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 48 event pairs, 0 based on Foata normal form. 0/42 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-03-25 04:44:18,779 INFO L142 LiptonReduction]: Number of co-enabled transitions 468 [2021-03-25 04:44:19,762 INFO L154 LiptonReduction]: Checked pairs total: 1422 [2021-03-25 04:44:19,762 INFO L156 LiptonReduction]: Total number of compositions: 14 [2021-03-25 04:44:19,763 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 995 [2021-03-25 04:44:19,763 INFO L480 AbstractCegarLoop]: Abstraction has has 41 places, 30 transitions, 72 flow [2021-03-25 04:44:19,764 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 172.66666666666666) internal successors, (518), 3 states have internal predecessors, (518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:44:19,764 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:44:19,764 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:44:19,764 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-25 04:44:19,764 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:44:19,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:44:19,765 INFO L82 PathProgramCache]: Analyzing trace with hash -1498476454, now seen corresponding path program 1 times [2021-03-25 04:44:19,765 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:44:19,765 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796778235] [2021-03-25 04:44:19,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:44:19,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:44:19,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:44:19,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:44:19,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:44:19,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:44:19,898 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-03-25 04:44:19,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 04:44:19,910 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-25 04:44:19,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 04:44:19,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:44:19,916 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796778235] [2021-03-25 04:44:19,916 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:44:19,916 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 04:44:19,916 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087216518] [2021-03-25 04:44:19,917 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 04:44:19,917 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:44:19,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 04:44:19,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-25 04:44:19,920 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 204 [2021-03-25 04:44:19,921 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 30 transitions, 72 flow. Second operand has 5 states, 5 states have (on average 164.0) internal successors, (820), 5 states have internal predecessors, (820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:44:19,921 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:44:19,921 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 204 [2021-03-25 04:44:19,921 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:44:20,096 INFO L129 PetriNetUnfolder]: 417/829 cut-off events. [2021-03-25 04:44:20,096 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:44:20,100 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1488 conditions, 829 events. 417/829 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 4822 event pairs, 34 based on Foata normal form. 0/763 useless extension candidates. Maximal degree in co-relation 1475. Up to 231 conditions per place. [2021-03-25 04:44:20,104 INFO L132 encePairwiseOnDemand]: 194/204 looper letters, 13 selfloop transitions, 8 changer transitions 21/61 dead transitions. [2021-03-25 04:44:20,105 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 61 transitions, 218 flow [2021-03-25 04:44:20,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 04:44:20,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 04:44:20,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1185 transitions. [2021-03-25 04:44:20,111 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8298319327731093 [2021-03-25 04:44:20,111 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1185 transitions. [2021-03-25 04:44:20,112 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1185 transitions. [2021-03-25 04:44:20,112 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:44:20,112 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1185 transitions. [2021-03-25 04:44:20,115 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 169.28571428571428) internal successors, (1185), 7 states have internal predecessors, (1185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:44:20,118 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 204.0) internal successors, (1632), 8 states have internal predecessors, (1632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:44:20,118 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 204.0) internal successors, (1632), 8 states have internal predecessors, (1632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:44:20,119 INFO L185 Difference]: Start difference. First operand has 41 places, 30 transitions, 72 flow. Second operand 7 states and 1185 transitions. [2021-03-25 04:44:20,119 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 61 transitions, 218 flow [2021-03-25 04:44:20,119 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 61 transitions, 214 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 04:44:20,120 INFO L241 Difference]: Finished difference. Result has 50 places, 35 transitions, 138 flow [2021-03-25 04:44:20,121 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=204, 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=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=138, PETRI_PLACES=50, PETRI_TRANSITIONS=35} [2021-03-25 04:44:20,121 INFO L343 CegarLoopForPetriNet]: 59 programPoint places, -9 predicate places. [2021-03-25 04:44:20,121 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:44:20,121 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 50 places, 35 transitions, 138 flow [2021-03-25 04:44:20,122 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 50 places, 35 transitions, 138 flow [2021-03-25 04:44:20,122 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 46 places, 35 transitions, 138 flow [2021-03-25 04:44:20,173 INFO L129 PetriNetUnfolder]: 193/414 cut-off events. [2021-03-25 04:44:20,173 INFO L130 PetriNetUnfolder]: For 197/281 co-relation queries the response was YES. [2021-03-25 04:44:20,175 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1066 conditions, 414 events. 193/414 cut-off events. For 197/281 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 2290 event pairs, 80 based on Foata normal form. 0/378 useless extension candidates. Maximal degree in co-relation 1051. Up to 219 conditions per place. [2021-03-25 04:44:20,178 INFO L142 LiptonReduction]: Number of co-enabled transitions 382 [2021-03-25 04:44:21,089 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 124 [2021-03-25 04:44:21,239 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-03-25 04:44:21,615 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 124 [2021-03-25 04:44:21,771 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-03-25 04:44:21,800 INFO L154 LiptonReduction]: Checked pairs total: 465 [2021-03-25 04:44:21,800 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-25 04:44:21,800 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1679 [2021-03-25 04:44:21,801 INFO L480 AbstractCegarLoop]: Abstraction has has 43 places, 32 transitions, 132 flow [2021-03-25 04:44:21,801 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 164.0) internal successors, (820), 5 states have internal predecessors, (820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:44:21,801 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:44:21,801 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:44:21,802 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-25 04:44:21,802 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:44:21,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:44:21,802 INFO L82 PathProgramCache]: Analyzing trace with hash -1023328522, now seen corresponding path program 1 times [2021-03-25 04:44:21,802 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:44:21,802 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642608693] [2021-03-25 04:44:21,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:44:21,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:44:21,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:44:21,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:44:21,865 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-03-25 04:44:21,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 04:44:21,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:44:21,880 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642608693] [2021-03-25 04:44:21,880 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:44:21,880 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 04:44:21,880 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952165770] [2021-03-25 04:44:21,880 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 04:44:21,881 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:44:21,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 04:44:21,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-25 04:44:21,882 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 207 [2021-03-25 04:44:21,882 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 32 transitions, 132 flow. Second operand has 4 states, 4 states have (on average 169.0) internal successors, (676), 4 states have internal predecessors, (676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:44:21,882 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:44:21,883 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 207 [2021-03-25 04:44:21,883 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:44:21,983 INFO L129 PetriNetUnfolder]: 196/475 cut-off events. [2021-03-25 04:44:21,984 INFO L130 PetriNetUnfolder]: For 352/711 co-relation queries the response was YES. [2021-03-25 04:44:21,985 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1483 conditions, 475 events. 196/475 cut-off events. For 352/711 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 2737 event pairs, 57 based on Foata normal form. 8/470 useless extension candidates. Maximal degree in co-relation 1469. Up to 221 conditions per place. [2021-03-25 04:44:21,989 INFO L132 encePairwiseOnDemand]: 198/207 looper letters, 12 selfloop transitions, 16 changer transitions 0/45 dead transitions. [2021-03-25 04:44:21,989 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 45 transitions, 266 flow [2021-03-25 04:44:21,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-25 04:44:21,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-25 04:44:21,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 695 transitions. [2021-03-25 04:44:21,991 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8393719806763285 [2021-03-25 04:44:21,992 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 695 transitions. [2021-03-25 04:44:21,992 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 695 transitions. [2021-03-25 04:44:21,992 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:44:21,992 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 695 transitions. [2021-03-25 04:44:21,993 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 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) [2021-03-25 04:44:21,995 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 207.0) internal successors, (1035), 5 states have internal predecessors, (1035), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:44:21,996 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 207.0) internal successors, (1035), 5 states have internal predecessors, (1035), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:44:21,996 INFO L185 Difference]: Start difference. First operand has 43 places, 32 transitions, 132 flow. Second operand 4 states and 695 transitions. [2021-03-25 04:44:21,996 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 45 transitions, 266 flow [2021-03-25 04:44:22,000 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 45 transitions, 230 flow, removed 16 selfloop flow, removed 3 redundant places. [2021-03-25 04:44:22,001 INFO L241 Difference]: Finished difference. Result has 46 places, 41 transitions, 235 flow [2021-03-25 04:44:22,001 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=118, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=235, PETRI_PLACES=46, PETRI_TRANSITIONS=41} [2021-03-25 04:44:22,001 INFO L343 CegarLoopForPetriNet]: 59 programPoint places, -13 predicate places. [2021-03-25 04:44:22,002 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:44:22,002 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 46 places, 41 transitions, 235 flow [2021-03-25 04:44:22,002 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 46 places, 41 transitions, 235 flow [2021-03-25 04:44:22,003 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 46 places, 41 transitions, 235 flow [2021-03-25 04:44:22,048 INFO L129 PetriNetUnfolder]: 192/450 cut-off events. [2021-03-25 04:44:22,049 INFO L130 PetriNetUnfolder]: For 464/547 co-relation queries the response was YES. [2021-03-25 04:44:22,050 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1402 conditions, 450 events. 192/450 cut-off events. For 464/547 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 2583 event pairs, 58 based on Foata normal form. 0/440 useless extension candidates. Maximal degree in co-relation 1388. Up to 204 conditions per place. [2021-03-25 04:44:22,054 INFO L142 LiptonReduction]: Number of co-enabled transitions 528 [2021-03-25 04:44:22,083 INFO L154 LiptonReduction]: Checked pairs total: 383 [2021-03-25 04:44:22,084 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 04:44:22,084 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 82 [2021-03-25 04:44:22,088 INFO L480 AbstractCegarLoop]: Abstraction has has 46 places, 41 transitions, 235 flow [2021-03-25 04:44:22,089 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 169.0) internal successors, (676), 4 states have internal predecessors, (676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:44:22,089 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:44:22,089 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:44:22,089 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-25 04:44:22,089 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:44:22,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:44:22,090 INFO L82 PathProgramCache]: Analyzing trace with hash -1558204009, now seen corresponding path program 1 times [2021-03-25 04:44:22,090 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:44:22,090 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265300673] [2021-03-25 04:44:22,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:44:22,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:44:22,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:44:22,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:44:22,179 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-03-25 04:44:22,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 04:44:22,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:44:22,189 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265300673] [2021-03-25 04:44:22,189 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:44:22,189 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 04:44:22,189 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780140540] [2021-03-25 04:44:22,190 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 04:44:22,190 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:44:22,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 04:44:22,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-25 04:44:22,192 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 207 [2021-03-25 04:44:22,192 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 41 transitions, 235 flow. Second operand has 4 states, 4 states have (on average 169.0) internal successors, (676), 4 states have internal predecessors, (676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:44:22,193 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:44:22,193 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 207 [2021-03-25 04:44:22,193 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:44:22,272 INFO L129 PetriNetUnfolder]: 173/399 cut-off events. [2021-03-25 04:44:22,273 INFO L130 PetriNetUnfolder]: For 600/1218 co-relation queries the response was YES. [2021-03-25 04:44:22,274 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1571 conditions, 399 events. 173/399 cut-off events. For 600/1218 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 2135 event pairs, 26 based on Foata normal form. 12/398 useless extension candidates. Maximal degree in co-relation 1555. Up to 191 conditions per place. [2021-03-25 04:44:22,276 INFO L132 encePairwiseOnDemand]: 198/207 looper letters, 21 selfloop transitions, 21 changer transitions 0/59 dead transitions. [2021-03-25 04:44:22,276 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 59 transitions, 465 flow [2021-03-25 04:44:22,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-25 04:44:22,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-25 04:44:22,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 695 transitions. [2021-03-25 04:44:22,279 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8393719806763285 [2021-03-25 04:44:22,279 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 695 transitions. [2021-03-25 04:44:22,279 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 695 transitions. [2021-03-25 04:44:22,279 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:44:22,279 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 695 transitions. [2021-03-25 04:44:22,280 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 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) [2021-03-25 04:44:22,282 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 207.0) internal successors, (1035), 5 states have internal predecessors, (1035), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:44:22,282 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 207.0) internal successors, (1035), 5 states have internal predecessors, (1035), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:44:22,283 INFO L185 Difference]: Start difference. First operand has 46 places, 41 transitions, 235 flow. Second operand 4 states and 695 transitions. [2021-03-25 04:44:22,283 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 59 transitions, 465 flow [2021-03-25 04:44:22,286 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 59 transitions, 465 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-25 04:44:22,288 INFO L241 Difference]: Finished difference. Result has 52 places, 55 transitions, 462 flow [2021-03-25 04:44:22,288 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=235, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=462, PETRI_PLACES=52, PETRI_TRANSITIONS=55} [2021-03-25 04:44:22,288 INFO L343 CegarLoopForPetriNet]: 59 programPoint places, -7 predicate places. [2021-03-25 04:44:22,289 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:44:22,289 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 52 places, 55 transitions, 462 flow [2021-03-25 04:44:22,289 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 52 places, 55 transitions, 462 flow [2021-03-25 04:44:22,289 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 52 places, 55 transitions, 462 flow [2021-03-25 04:44:22,329 INFO L129 PetriNetUnfolder]: 170/418 cut-off events. [2021-03-25 04:44:22,329 INFO L130 PetriNetUnfolder]: For 1042/1200 co-relation queries the response was YES. [2021-03-25 04:44:22,330 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1609 conditions, 418 events. 170/418 cut-off events. For 1042/1200 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 2418 event pairs, 50 based on Foata normal form. 1/410 useless extension candidates. Maximal degree in co-relation 1590. Up to 182 conditions per place. [2021-03-25 04:44:22,335 INFO L142 LiptonReduction]: Number of co-enabled transitions 702 [2021-03-25 04:44:22,367 INFO L154 LiptonReduction]: Checked pairs total: 915 [2021-03-25 04:44:22,367 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 04:44:22,367 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 79 [2021-03-25 04:44:22,368 INFO L480 AbstractCegarLoop]: Abstraction has has 52 places, 55 transitions, 462 flow [2021-03-25 04:44:22,369 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 169.0) internal successors, (676), 4 states have internal predecessors, (676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:44:22,369 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:44:22,369 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:44:22,369 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-25 04:44:22,370 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:44:22,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:44:22,370 INFO L82 PathProgramCache]: Analyzing trace with hash 2124648895, now seen corresponding path program 1 times [2021-03-25 04:44:22,370 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:44:22,370 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660363369] [2021-03-25 04:44:22,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:44:22,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:44:22,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:44:22,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:44:22,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:44:22,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:44:22,440 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-03-25 04:44:22,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 04:44:22,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:44:22,451 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660363369] [2021-03-25 04:44:22,451 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:44:22,451 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 04:44:22,451 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448012291] [2021-03-25 04:44:22,451 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 04:44:22,451 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:44:22,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 04:44:22,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-25 04:44:22,453 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 207 [2021-03-25 04:44:22,453 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 55 transitions, 462 flow. Second operand has 4 states, 4 states have (on average 169.25) internal successors, (677), 4 states have internal predecessors, (677), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:44:22,453 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:44:22,453 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 207 [2021-03-25 04:44:22,454 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:44:22,545 INFO L129 PetriNetUnfolder]: 171/454 cut-off events. [2021-03-25 04:44:22,545 INFO L130 PetriNetUnfolder]: For 1419/2327 co-relation queries the response was YES. [2021-03-25 04:44:22,547 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2050 conditions, 454 events. 171/454 cut-off events. For 1419/2327 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 2691 event pairs, 36 based on Foata normal form. 27/470 useless extension candidates. Maximal degree in co-relation 2029. Up to 191 conditions per place. [2021-03-25 04:44:22,550 INFO L132 encePairwiseOnDemand]: 198/207 looper letters, 15 selfloop transitions, 31 changer transitions 4/67 dead transitions. [2021-03-25 04:44:22,550 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 67 transitions, 683 flow [2021-03-25 04:44:22,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-25 04:44:22,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-25 04:44:22,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 694 transitions. [2021-03-25 04:44:22,552 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8381642512077294 [2021-03-25 04:44:22,552 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 694 transitions. [2021-03-25 04:44:22,552 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 694 transitions. [2021-03-25 04:44:22,553 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:44:22,553 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 694 transitions. [2021-03-25 04:44:22,555 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 173.5) internal successors, (694), 4 states have internal predecessors, (694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:44:22,556 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 207.0) internal successors, (1035), 5 states have internal predecessors, (1035), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:44:22,556 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 207.0) internal successors, (1035), 5 states have internal predecessors, (1035), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:44:22,556 INFO L185 Difference]: Start difference. First operand has 52 places, 55 transitions, 462 flow. Second operand 4 states and 694 transitions. [2021-03-25 04:44:22,556 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 67 transitions, 683 flow [2021-03-25 04:44:22,560 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 67 transitions, 683 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-25 04:44:22,563 INFO L241 Difference]: Finished difference. Result has 58 places, 61 transitions, 670 flow [2021-03-25 04:44:22,563 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=462, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=670, PETRI_PLACES=58, PETRI_TRANSITIONS=61} [2021-03-25 04:44:22,563 INFO L343 CegarLoopForPetriNet]: 59 programPoint places, -1 predicate places. [2021-03-25 04:44:22,563 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:44:22,563 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 58 places, 61 transitions, 670 flow [2021-03-25 04:44:22,570 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 58 places, 61 transitions, 670 flow [2021-03-25 04:44:22,570 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 58 places, 61 transitions, 670 flow [2021-03-25 04:44:22,617 INFO L129 PetriNetUnfolder]: 160/440 cut-off events. [2021-03-25 04:44:22,618 INFO L130 PetriNetUnfolder]: For 1757/1945 co-relation queries the response was YES. [2021-03-25 04:44:22,620 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1994 conditions, 440 events. 160/440 cut-off events. For 1757/1945 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 2784 event pairs, 31 based on Foata normal form. 1/434 useless extension candidates. Maximal degree in co-relation 1970. Up to 187 conditions per place. [2021-03-25 04:44:22,641 INFO L142 LiptonReduction]: Number of co-enabled transitions 768 [2021-03-25 04:44:22,675 INFO L154 LiptonReduction]: Checked pairs total: 1096 [2021-03-25 04:44:22,675 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 04:44:22,675 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 112 [2021-03-25 04:44:22,676 INFO L480 AbstractCegarLoop]: Abstraction has has 58 places, 61 transitions, 670 flow [2021-03-25 04:44:22,676 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 169.25) internal successors, (677), 4 states have internal predecessors, (677), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:44:22,676 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:44:22,676 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:44:22,676 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-25 04:44:22,676 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:44:22,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:44:22,677 INFO L82 PathProgramCache]: Analyzing trace with hash -19403138, now seen corresponding path program 1 times [2021-03-25 04:44:22,677 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:44:22,677 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884997609] [2021-03-25 04:44:22,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:44:22,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:44:22,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:44:22,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:44:22,722 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-25 04:44:22,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 04:44:22,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:44:22,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:44:22,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:44:22,730 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884997609] [2021-03-25 04:44:22,730 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:44:22,730 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 04:44:22,730 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717797004] [2021-03-25 04:44:22,731 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 04:44:22,731 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:44:22,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 04:44:22,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 04:44:22,732 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 171 out of 207 [2021-03-25 04:44:22,732 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 61 transitions, 670 flow. Second operand has 4 states, 4 states have (on average 171.75) internal successors, (687), 4 states have internal predecessors, (687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:44:22,733 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:44:22,733 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 207 [2021-03-25 04:44:22,733 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:44:23,056 INFO L129 PetriNetUnfolder]: 1501/2804 cut-off events. [2021-03-25 04:44:23,057 INFO L130 PetriNetUnfolder]: For 3004/3387 co-relation queries the response was YES. [2021-03-25 04:44:23,075 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7202 conditions, 2804 events. 1501/2804 cut-off events. For 3004/3387 co-relation queries the response was YES. Maximal size of possible extension queue 439. Compared 21880 event pairs, 546 based on Foata normal form. 209/2470 useless extension candidates. Maximal degree in co-relation 7176. Up to 1987 conditions per place. [2021-03-25 04:44:23,091 INFO L132 encePairwiseOnDemand]: 200/207 looper letters, 12 selfloop transitions, 10 changer transitions 0/75 dead transitions. [2021-03-25 04:44:23,091 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 75 transitions, 742 flow [2021-03-25 04:44:23,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 04:44:23,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 04:44:23,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 879 transitions. [2021-03-25 04:44:23,093 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8492753623188406 [2021-03-25 04:44:23,093 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 879 transitions. [2021-03-25 04:44:23,093 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 879 transitions. [2021-03-25 04:44:23,094 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:44:23,094 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 879 transitions. [2021-03-25 04:44:23,096 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 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) [2021-03-25 04:44:23,097 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 207.0) internal successors, (1242), 6 states have internal predecessors, (1242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:44:23,098 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 207.0) internal successors, (1242), 6 states have internal predecessors, (1242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:44:23,098 INFO L185 Difference]: Start difference. First operand has 58 places, 61 transitions, 670 flow. Second operand 5 states and 879 transitions. [2021-03-25 04:44:23,098 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 75 transitions, 742 flow [2021-03-25 04:44:23,104 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 75 transitions, 736 flow, removed 3 selfloop flow, removed 0 redundant places. [2021-03-25 04:44:23,106 INFO L241 Difference]: Finished difference. Result has 65 places, 70 transitions, 739 flow [2021-03-25 04:44:23,107 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=664, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=739, PETRI_PLACES=65, PETRI_TRANSITIONS=70} [2021-03-25 04:44:23,107 INFO L343 CegarLoopForPetriNet]: 59 programPoint places, 6 predicate places. [2021-03-25 04:44:23,107 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:44:23,107 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 65 places, 70 transitions, 739 flow [2021-03-25 04:44:23,107 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 65 places, 70 transitions, 739 flow [2021-03-25 04:44:23,108 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 65 places, 70 transitions, 739 flow [2021-03-25 04:44:23,317 INFO L129 PetriNetUnfolder]: 1149/2235 cut-off events. [2021-03-25 04:44:23,317 INFO L130 PetriNetUnfolder]: For 4000/4600 co-relation queries the response was YES. [2021-03-25 04:44:23,333 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7652 conditions, 2235 events. 1149/2235 cut-off events. For 4000/4600 co-relation queries the response was YES. Maximal size of possible extension queue 347. Compared 17452 event pairs, 484 based on Foata normal form. 31/2057 useless extension candidates. Maximal degree in co-relation 7623. Up to 1520 conditions per place. [2021-03-25 04:44:23,396 INFO L142 LiptonReduction]: Number of co-enabled transitions 1194 [2021-03-25 04:44:23,826 INFO L154 LiptonReduction]: Checked pairs total: 1134 [2021-03-25 04:44:23,827 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 04:44:23,827 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 720 [2021-03-25 04:44:23,828 INFO L480 AbstractCegarLoop]: Abstraction has has 65 places, 69 transitions, 733 flow [2021-03-25 04:44:23,829 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 171.75) internal successors, (687), 4 states have internal predecessors, (687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:44:23,829 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:44:23,829 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:44:23,829 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-25 04:44:23,829 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:44:23,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:44:23,829 INFO L82 PathProgramCache]: Analyzing trace with hash 1360326786, now seen corresponding path program 1 times [2021-03-25 04:44:23,830 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:44:23,830 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811334095] [2021-03-25 04:44:23,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:44:23,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:44:23,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:44:23,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:44:23,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:44:23,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:44:23,895 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-03-25 04:44:23,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 04:44:23,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:44:23,911 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811334095] [2021-03-25 04:44:23,911 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:44:23,911 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 04:44:23,911 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707995625] [2021-03-25 04:44:23,912 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 04:44:23,912 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:44:23,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 04:44:23,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-25 04:44:23,913 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 207 [2021-03-25 04:44:23,914 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 69 transitions, 733 flow. Second operand has 4 states, 4 states have (on average 169.25) internal successors, (677), 4 states have internal predecessors, (677), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:44:23,914 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:44:23,914 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 207 [2021-03-25 04:44:23,914 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:44:24,211 INFO L129 PetriNetUnfolder]: 1359/2565 cut-off events. [2021-03-25 04:44:24,211 INFO L130 PetriNetUnfolder]: For 5969/7775 co-relation queries the response was YES. [2021-03-25 04:44:24,227 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9013 conditions, 2565 events. 1359/2565 cut-off events. For 5969/7775 co-relation queries the response was YES. Maximal size of possible extension queue 355. Compared 19574 event pairs, 671 based on Foata normal form. 118/2394 useless extension candidates. Maximal degree in co-relation 8982. Up to 1810 conditions per place. [2021-03-25 04:44:24,239 INFO L132 encePairwiseOnDemand]: 198/207 looper letters, 23 selfloop transitions, 25 changer transitions 8/77 dead transitions. [2021-03-25 04:44:24,239 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 77 transitions, 979 flow [2021-03-25 04:44:24,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-25 04:44:24,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-25 04:44:24,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 694 transitions. [2021-03-25 04:44:24,241 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8381642512077294 [2021-03-25 04:44:24,241 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 694 transitions. [2021-03-25 04:44:24,241 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 694 transitions. [2021-03-25 04:44:24,242 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:44:24,242 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 694 transitions. [2021-03-25 04:44:24,243 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 173.5) internal successors, (694), 4 states have internal predecessors, (694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:44:24,244 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 207.0) internal successors, (1035), 5 states have internal predecessors, (1035), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:44:24,245 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 207.0) internal successors, (1035), 5 states have internal predecessors, (1035), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:44:24,245 INFO L185 Difference]: Start difference. First operand has 65 places, 69 transitions, 733 flow. Second operand 4 states and 694 transitions. [2021-03-25 04:44:24,245 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 77 transitions, 979 flow [2021-03-25 04:44:24,269 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 77 transitions, 937 flow, removed 1 selfloop flow, removed 3 redundant places. [2021-03-25 04:44:24,270 INFO L241 Difference]: Finished difference. Result has 66 places, 65 transitions, 789 flow [2021-03-25 04:44:24,271 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=674, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=789, PETRI_PLACES=66, PETRI_TRANSITIONS=65} [2021-03-25 04:44:24,271 INFO L343 CegarLoopForPetriNet]: 59 programPoint places, 7 predicate places. [2021-03-25 04:44:24,271 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:44:24,271 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 66 places, 65 transitions, 789 flow [2021-03-25 04:44:24,272 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 66 places, 65 transitions, 789 flow [2021-03-25 04:44:24,272 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 66 places, 65 transitions, 789 flow [2021-03-25 04:44:24,518 INFO L129 PetriNetUnfolder]: 1216/2278 cut-off events. [2021-03-25 04:44:24,518 INFO L130 PetriNetUnfolder]: For 4656/5439 co-relation queries the response was YES. [2021-03-25 04:44:24,529 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7611 conditions, 2278 events. 1216/2278 cut-off events. For 4656/5439 co-relation queries the response was YES. Maximal size of possible extension queue 360. Compared 17305 event pairs, 580 based on Foata normal form. 11/2039 useless extension candidates. Maximal degree in co-relation 7580. Up to 1632 conditions per place. [2021-03-25 04:44:24,550 INFO L142 LiptonReduction]: Number of co-enabled transitions 924 [2021-03-25 04:44:24,822 INFO L154 LiptonReduction]: Checked pairs total: 350 [2021-03-25 04:44:24,822 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 04:44:24,823 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 552 [2021-03-25 04:44:24,823 INFO L480 AbstractCegarLoop]: Abstraction has has 66 places, 65 transitions, 789 flow [2021-03-25 04:44:24,823 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 169.25) internal successors, (677), 4 states have internal predecessors, (677), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:44:24,823 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:44:24,824 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:44:24,824 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-25 04:44:24,824 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:44:24,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:44:24,824 INFO L82 PathProgramCache]: Analyzing trace with hash 1662395888, now seen corresponding path program 1 times [2021-03-25 04:44:24,824 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:44:24,824 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142518331] [2021-03-25 04:44:24,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:44:24,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:44:24,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:44:24,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:44:24,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:44:24,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:44:24,858 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-25 04:44:24,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 04:44:24,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:44:24,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:44:24,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:44:24,865 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142518331] [2021-03-25 04:44:24,865 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:44:24,865 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 04:44:24,865 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890800025] [2021-03-25 04:44:24,865 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 04:44:24,865 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:44:24,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 04:44:24,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-25 04:44:24,867 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 171 out of 207 [2021-03-25 04:44:24,867 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 65 transitions, 789 flow. Second operand has 5 states, 5 states have (on average 171.8) internal successors, (859), 5 states have internal predecessors, (859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:44:24,867 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:44:24,867 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 207 [2021-03-25 04:44:24,868 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:44:25,194 INFO L129 PetriNetUnfolder]: 1465/2831 cut-off events. [2021-03-25 04:44:25,194 INFO L130 PetriNetUnfolder]: For 4901/9677 co-relation queries the response was YES. [2021-03-25 04:44:25,211 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10828 conditions, 2831 events. 1465/2831 cut-off events. For 4901/9677 co-relation queries the response was YES. Maximal size of possible extension queue 435. Compared 22317 event pairs, 196 based on Foata normal form. 481/3006 useless extension candidates. Maximal degree in co-relation 10795. Up to 2070 conditions per place. [2021-03-25 04:44:25,226 INFO L132 encePairwiseOnDemand]: 200/207 looper letters, 13 selfloop transitions, 14 changer transitions 0/80 dead transitions. [2021-03-25 04:44:25,226 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 80 transitions, 923 flow [2021-03-25 04:44:25,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 04:44:25,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 04:44:25,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1055 transitions. [2021-03-25 04:44:25,229 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8494363929146538 [2021-03-25 04:44:25,229 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1055 transitions. [2021-03-25 04:44:25,229 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1055 transitions. [2021-03-25 04:44:25,230 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:44:25,230 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1055 transitions. [2021-03-25 04:44:25,232 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 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) [2021-03-25 04:44:25,235 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 207.0) internal successors, (1449), 7 states have internal predecessors, (1449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:44:25,236 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 207.0) internal successors, (1449), 7 states have internal predecessors, (1449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:44:25,236 INFO L185 Difference]: Start difference. First operand has 66 places, 65 transitions, 789 flow. Second operand 6 states and 1055 transitions. [2021-03-25 04:44:25,236 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 80 transitions, 923 flow [2021-03-25 04:44:25,243 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 80 transitions, 917 flow, removed 3 selfloop flow, removed 0 redundant places. [2021-03-25 04:44:25,244 INFO L241 Difference]: Finished difference. Result has 74 places, 74 transitions, 903 flow [2021-03-25 04:44:25,245 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=783, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=903, PETRI_PLACES=74, PETRI_TRANSITIONS=74} [2021-03-25 04:44:25,245 INFO L343 CegarLoopForPetriNet]: 59 programPoint places, 15 predicate places. [2021-03-25 04:44:25,245 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:44:25,245 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 74 places, 74 transitions, 903 flow [2021-03-25 04:44:25,245 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 74 places, 74 transitions, 903 flow [2021-03-25 04:44:25,246 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 74 places, 74 transitions, 903 flow [2021-03-25 04:44:25,455 INFO L129 PetriNetUnfolder]: 924/1948 cut-off events. [2021-03-25 04:44:25,455 INFO L130 PetriNetUnfolder]: For 7447/10125 co-relation queries the response was YES. [2021-03-25 04:44:25,467 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9387 conditions, 1948 events. 924/1948 cut-off events. For 7447/10125 co-relation queries the response was YES. Maximal size of possible extension queue 317. Compared 15638 event pairs, 168 based on Foata normal form. 46/1875 useless extension candidates. Maximal degree in co-relation 9351. Up to 1479 conditions per place. [2021-03-25 04:44:25,493 INFO L142 LiptonReduction]: Number of co-enabled transitions 1318 [2021-03-25 04:44:26,216 INFO L154 LiptonReduction]: Checked pairs total: 967 [2021-03-25 04:44:26,217 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 04:44:26,217 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 972 [2021-03-25 04:44:26,217 INFO L480 AbstractCegarLoop]: Abstraction has has 74 places, 73 transitions, 895 flow [2021-03-25 04:44:26,218 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 171.8) internal successors, (859), 5 states have internal predecessors, (859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:44:26,218 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:44:26,218 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:44:26,218 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-25 04:44:26,218 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:44:26,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:44:26,219 INFO L82 PathProgramCache]: Analyzing trace with hash 2049031676, now seen corresponding path program 1 times [2021-03-25 04:44:26,219 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:44:26,219 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375552004] [2021-03-25 04:44:26,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:44:26,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:44:26,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:44:26,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:44:26,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:44:26,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:44:26,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:44:26,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:44:26,310 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-25 04:44:26,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 04:44:26,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:44:26,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:44:26,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:44:26,318 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375552004] [2021-03-25 04:44:26,319 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:44:26,319 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 04:44:26,319 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496944441] [2021-03-25 04:44:26,319 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 04:44:26,319 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:44:26,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 04:44:26,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-25 04:44:26,321 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 171 out of 207 [2021-03-25 04:44:26,322 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 73 transitions, 895 flow. Second operand has 6 states, 6 states have (on average 171.83333333333334) internal successors, (1031), 6 states have internal predecessors, (1031), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:44:26,322 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:44:26,322 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 207 [2021-03-25 04:44:26,322 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:44:26,622 INFO L129 PetriNetUnfolder]: 1017/1998 cut-off events. [2021-03-25 04:44:26,622 INFO L130 PetriNetUnfolder]: For 7739/13825 co-relation queries the response was YES. [2021-03-25 04:44:26,640 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10159 conditions, 1998 events. 1017/1998 cut-off events. For 7739/13825 co-relation queries the response was YES. Maximal size of possible extension queue 277. Compared 14584 event pairs, 40 based on Foata normal form. 508/2268 useless extension candidates. Maximal degree in co-relation 10121. Up to 1411 conditions per place. [2021-03-25 04:44:26,649 INFO L132 encePairwiseOnDemand]: 200/207 looper letters, 10 selfloop transitions, 18 changer transitions 7/85 dead transitions. [2021-03-25 04:44:26,649 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 85 transitions, 1051 flow [2021-03-25 04:44:26,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 04:44:26,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 04:44:26,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1231 transitions. [2021-03-25 04:44:26,652 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.849551414768806 [2021-03-25 04:44:26,652 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1231 transitions. [2021-03-25 04:44:26,652 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1231 transitions. [2021-03-25 04:44:26,653 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:44:26,653 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1231 transitions. [2021-03-25 04:44:26,655 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 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) [2021-03-25 04:44:26,657 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 207.0) internal successors, (1656), 8 states have internal predecessors, (1656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:44:26,658 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 207.0) internal successors, (1656), 8 states have internal predecessors, (1656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:44:26,658 INFO L185 Difference]: Start difference. First operand has 74 places, 73 transitions, 895 flow. Second operand 7 states and 1231 transitions. [2021-03-25 04:44:26,658 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 85 transitions, 1051 flow [2021-03-25 04:44:26,718 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 85 transitions, 978 flow, removed 28 selfloop flow, removed 5 redundant places. [2021-03-25 04:44:26,721 INFO L241 Difference]: Finished difference. Result has 76 places, 75 transitions, 900 flow [2021-03-25 04:44:26,721 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=806, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=900, PETRI_PLACES=76, PETRI_TRANSITIONS=75} [2021-03-25 04:44:26,721 INFO L343 CegarLoopForPetriNet]: 59 programPoint places, 17 predicate places. [2021-03-25 04:44:26,721 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:44:26,721 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 76 places, 75 transitions, 900 flow [2021-03-25 04:44:26,721 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 76 places, 75 transitions, 900 flow [2021-03-25 04:44:26,722 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 76 places, 75 transitions, 900 flow [2021-03-25 04:44:26,816 INFO L129 PetriNetUnfolder]: 459/1107 cut-off events. [2021-03-25 04:44:26,816 INFO L130 PetriNetUnfolder]: For 4180/4739 co-relation queries the response was YES. [2021-03-25 04:44:26,822 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5453 conditions, 1107 events. 459/1107 cut-off events. For 4180/4739 co-relation queries the response was YES. Maximal size of possible extension queue 149. Compared 8299 event pairs, 26 based on Foata normal form. 3/1064 useless extension candidates. Maximal degree in co-relation 5417. Up to 726 conditions per place. [2021-03-25 04:44:26,834 INFO L142 LiptonReduction]: Number of co-enabled transitions 1116 [2021-03-25 04:44:27,056 INFO L154 LiptonReduction]: Checked pairs total: 1014 [2021-03-25 04:44:27,056 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 04:44:27,056 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 335 [2021-03-25 04:44:27,056 INFO L480 AbstractCegarLoop]: Abstraction has has 76 places, 74 transitions, 890 flow [2021-03-25 04:44:27,057 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 171.83333333333334) internal successors, (1031), 6 states have internal predecessors, (1031), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:44:27,057 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:44:27,057 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:44:27,057 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-25 04:44:27,057 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:44:27,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:44:27,058 INFO L82 PathProgramCache]: Analyzing trace with hash -601646805, now seen corresponding path program 1 times [2021-03-25 04:44:27,058 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:44:27,058 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352818122] [2021-03-25 04:44:27,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:44:27,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:44:27,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:44:27,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:44:27,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:44:27,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:44:27,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:44:27,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:44:27,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:44:27,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:44:27,137 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-25 04:44:27,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 04:44:27,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:44:27,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:44:27,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:44:27,145 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352818122] [2021-03-25 04:44:27,146 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:44:27,146 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-25 04:44:27,146 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750314728] [2021-03-25 04:44:27,146 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 04:44:27,146 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:44:27,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 04:44:27,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-25 04:44:27,148 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 171 out of 207 [2021-03-25 04:44:27,149 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 74 transitions, 890 flow. Second operand has 7 states, 7 states have (on average 171.85714285714286) internal successors, (1203), 7 states have internal predecessors, (1203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:44:27,149 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:44:27,149 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 207 [2021-03-25 04:44:27,149 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:44:27,383 INFO L129 PetriNetUnfolder]: 820/1547 cut-off events. [2021-03-25 04:44:27,383 INFO L130 PetriNetUnfolder]: For 5472/8074 co-relation queries the response was YES. [2021-03-25 04:44:27,392 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7389 conditions, 1547 events. 820/1547 cut-off events. For 5472/8074 co-relation queries the response was YES. Maximal size of possible extension queue 214. Compared 10304 event pairs, 23 based on Foata normal form. 273/1595 useless extension candidates. Maximal degree in co-relation 7351. Up to 872 conditions per place. [2021-03-25 04:44:27,399 INFO L132 encePairwiseOnDemand]: 200/207 looper letters, 6 selfloop transitions, 18 changer transitions 11/79 dead transitions. [2021-03-25 04:44:27,399 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 79 transitions, 956 flow [2021-03-25 04:44:27,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 04:44:27,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 04:44:27,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1399 transitions. [2021-03-25 04:44:27,402 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8448067632850241 [2021-03-25 04:44:27,402 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1399 transitions. [2021-03-25 04:44:27,402 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1399 transitions. [2021-03-25 04:44:27,403 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:44:27,403 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1399 transitions. [2021-03-25 04:44:27,405 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 174.875) internal successors, (1399), 8 states have internal predecessors, (1399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:44:27,408 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 207.0) internal successors, (1863), 9 states have internal predecessors, (1863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:44:27,408 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 207.0) internal successors, (1863), 9 states have internal predecessors, (1863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:44:27,408 INFO L185 Difference]: Start difference. First operand has 76 places, 74 transitions, 890 flow. Second operand 8 states and 1399 transitions. [2021-03-25 04:44:27,408 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 79 transitions, 956 flow [2021-03-25 04:44:27,451 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 79 transitions, 875 flow, removed 16 selfloop flow, removed 7 redundant places. [2021-03-25 04:44:27,453 INFO L241 Difference]: Finished difference. Result has 77 places, 65 transitions, 727 flow [2021-03-25 04:44:27,453 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=761, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=727, PETRI_PLACES=77, PETRI_TRANSITIONS=65} [2021-03-25 04:44:27,453 INFO L343 CegarLoopForPetriNet]: 59 programPoint places, 18 predicate places. [2021-03-25 04:44:27,453 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:44:27,454 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 65 transitions, 727 flow [2021-03-25 04:44:27,454 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 77 places, 65 transitions, 727 flow [2021-03-25 04:44:27,454 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 76 places, 65 transitions, 727 flow [2021-03-25 04:44:27,486 INFO L129 PetriNetUnfolder]: 173/436 cut-off events. [2021-03-25 04:44:27,486 INFO L130 PetriNetUnfolder]: For 1650/1747 co-relation queries the response was YES. [2021-03-25 04:44:27,489 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2055 conditions, 436 events. 173/436 cut-off events. For 1650/1747 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 2619 event pairs, 17 based on Foata normal form. 2/416 useless extension candidates. Maximal degree in co-relation 2020. Up to 152 conditions per place. [2021-03-25 04:44:27,492 INFO L142 LiptonReduction]: Number of co-enabled transitions 700 [2021-03-25 04:44:27,769 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-03-25 04:44:27,900 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-03-25 04:44:28,222 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2021-03-25 04:44:28,361 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2021-03-25 04:44:28,368 INFO L154 LiptonReduction]: Checked pairs total: 918 [2021-03-25 04:44:28,369 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-25 04:44:28,369 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 916 [2021-03-25 04:44:28,369 INFO L480 AbstractCegarLoop]: Abstraction has has 73 places, 62 transitions, 711 flow [2021-03-25 04:44:28,370 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 171.85714285714286) internal successors, (1203), 7 states have internal predecessors, (1203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:44:28,370 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:44:28,370 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:44:28,370 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-25 04:44:28,370 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:44:28,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:44:28,370 INFO L82 PathProgramCache]: Analyzing trace with hash -978699418, now seen corresponding path program 1 times [2021-03-25 04:44:28,371 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:44:28,371 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334145158] [2021-03-25 04:44:28,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:44:28,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:44:28,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:44:28,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:44:28,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:44:28,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:44:28,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:44:28,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:44:28,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:44:28,432 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334145158] [2021-03-25 04:44:28,432 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:44:28,432 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 04:44:28,432 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370593536] [2021-03-25 04:44:28,432 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 04:44:28,432 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:44:28,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 04:44:28,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 04:44:28,433 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 209 [2021-03-25 04:44:28,434 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 62 transitions, 711 flow. Second operand has 4 states, 4 states have (on average 183.0) internal successors, (732), 4 states have internal predecessors, (732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:44:28,434 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:44:28,434 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 209 [2021-03-25 04:44:28,434 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:44:28,509 INFO L129 PetriNetUnfolder]: 273/641 cut-off events. [2021-03-25 04:44:28,509 INFO L130 PetriNetUnfolder]: For 2956/3218 co-relation queries the response was YES. [2021-03-25 04:44:28,513 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2954 conditions, 641 events. 273/641 cut-off events. For 2956/3218 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 4107 event pairs, 31 based on Foata normal form. 36/639 useless extension candidates. Maximal degree in co-relation 2919. Up to 214 conditions per place. [2021-03-25 04:44:28,515 INFO L132 encePairwiseOnDemand]: 206/209 looper letters, 3 selfloop transitions, 1 changer transitions 25/64 dead transitions. [2021-03-25 04:44:28,515 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 64 transitions, 751 flow [2021-03-25 04:44:28,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-25 04:44:28,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-25 04:44:28,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 734 transitions. [2021-03-25 04:44:28,517 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8779904306220095 [2021-03-25 04:44:28,517 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 734 transitions. [2021-03-25 04:44:28,517 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 734 transitions. [2021-03-25 04:44:28,517 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:44:28,517 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 734 transitions. [2021-03-25 04:44:28,519 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 183.5) internal successors, (734), 4 states have internal predecessors, (734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:44:28,520 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 209.0) internal successors, (1045), 5 states have internal predecessors, (1045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:44:28,520 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 209.0) internal successors, (1045), 5 states have internal predecessors, (1045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:44:28,520 INFO L185 Difference]: Start difference. First operand has 73 places, 62 transitions, 711 flow. Second operand 4 states and 734 transitions. [2021-03-25 04:44:28,520 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 64 transitions, 751 flow [2021-03-25 04:44:28,533 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 64 transitions, 645 flow, removed 19 selfloop flow, removed 10 redundant places. [2021-03-25 04:44:28,534 INFO L241 Difference]: Finished difference. Result has 68 places, 39 transitions, 282 flow [2021-03-25 04:44:28,534 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=606, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=282, PETRI_PLACES=68, PETRI_TRANSITIONS=39} [2021-03-25 04:44:28,535 INFO L343 CegarLoopForPetriNet]: 59 programPoint places, 9 predicate places. [2021-03-25 04:44:28,535 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:44:28,535 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 68 places, 39 transitions, 282 flow [2021-03-25 04:44:28,535 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 68 places, 39 transitions, 282 flow [2021-03-25 04:44:28,535 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 67 places, 39 transitions, 282 flow [2021-03-25 04:44:28,545 INFO L129 PetriNetUnfolder]: 39/114 cut-off events. [2021-03-25 04:44:28,545 INFO L130 PetriNetUnfolder]: For 343/367 co-relation queries the response was YES. [2021-03-25 04:44:28,545 INFO L84 FinitePrefix]: Finished finitePrefix Result has 427 conditions, 114 events. 39/114 cut-off events. For 343/367 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 447 event pairs, 2 based on Foata normal form. 10/116 useless extension candidates. Maximal degree in co-relation 399. Up to 34 conditions per place. [2021-03-25 04:44:28,546 INFO L142 LiptonReduction]: Number of co-enabled transitions 212 [2021-03-25 04:44:28,753 INFO L154 LiptonReduction]: Checked pairs total: 155 [2021-03-25 04:44:28,754 INFO L156 LiptonReduction]: Total number of compositions: 4 [2021-03-25 04:44:28,754 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 219 [2021-03-25 04:44:28,754 INFO L480 AbstractCegarLoop]: Abstraction has has 64 places, 36 transitions, 271 flow [2021-03-25 04:44:28,754 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 183.0) internal successors, (732), 4 states have internal predecessors, (732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:44:28,754 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:44:28,754 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:44:28,754 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-25 04:44:28,755 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:44:28,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:44:28,755 INFO L82 PathProgramCache]: Analyzing trace with hash -119825378, now seen corresponding path program 1 times [2021-03-25 04:44:28,755 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:44:28,755 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900829733] [2021-03-25 04:44:28,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:44:28,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:44:28,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:44:28,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:44:28,815 INFO L142 QuantifierPusher]: treesize reduction 5, result has 87.5 percent of original size [2021-03-25 04:44:28,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 04:44:28,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:44:28,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 04:44:28,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:44:28,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:44:28,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:44:28,848 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900829733] [2021-03-25 04:44:28,849 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:44:28,849 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 04:44:28,849 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790591949] [2021-03-25 04:44:28,849 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 04:44:28,849 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:44:28,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 04:44:28,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-25 04:44:28,850 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 213 [2021-03-25 04:44:28,851 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 36 transitions, 271 flow. Second operand has 6 states, 6 states have (on average 164.83333333333334) internal successors, (989), 6 states have internal predecessors, (989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:44:28,851 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:44:28,851 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 213 [2021-03-25 04:44:28,851 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:44:28,901 INFO L129 PetriNetUnfolder]: 52/139 cut-off events. [2021-03-25 04:44:28,901 INFO L130 PetriNetUnfolder]: For 447/479 co-relation queries the response was YES. [2021-03-25 04:44:28,901 INFO L84 FinitePrefix]: Finished finitePrefix Result has 493 conditions, 139 events. 52/139 cut-off events. For 447/479 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 577 event pairs, 2 based on Foata normal form. 9/140 useless extension candidates. Maximal degree in co-relation 463. Up to 46 conditions per place. [2021-03-25 04:44:28,902 INFO L132 encePairwiseOnDemand]: 208/213 looper letters, 1 selfloop transitions, 5 changer transitions 2/36 dead transitions. [2021-03-25 04:44:28,902 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 36 transitions, 271 flow [2021-03-25 04:44:28,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 04:44:28,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 04:44:28,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 991 transitions. [2021-03-25 04:44:28,907 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7754303599374022 [2021-03-25 04:44:28,907 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 991 transitions. [2021-03-25 04:44:28,907 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 991 transitions. [2021-03-25 04:44:28,908 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:44:28,908 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 991 transitions. [2021-03-25 04:44:28,910 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 165.16666666666666) internal successors, (991), 6 states have internal predecessors, (991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:44:28,912 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 213.0) internal successors, (1491), 7 states have internal predecessors, (1491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:44:28,912 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 213.0) internal successors, (1491), 7 states have internal predecessors, (1491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:44:28,912 INFO L185 Difference]: Start difference. First operand has 64 places, 36 transitions, 271 flow. Second operand 6 states and 991 transitions. [2021-03-25 04:44:28,912 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 36 transitions, 271 flow [2021-03-25 04:44:28,914 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 36 transitions, 217 flow, removed 7 selfloop flow, removed 14 redundant places. [2021-03-25 04:44:28,915 INFO L241 Difference]: Finished difference. Result has 56 places, 34 transitions, 201 flow [2021-03-25 04:44:28,915 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=213, PETRI_DIFFERENCE_MINUEND_FLOW=201, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=201, PETRI_PLACES=56, PETRI_TRANSITIONS=34} [2021-03-25 04:44:28,915 INFO L343 CegarLoopForPetriNet]: 59 programPoint places, -3 predicate places. [2021-03-25 04:44:28,915 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:44:28,915 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 56 places, 34 transitions, 201 flow [2021-03-25 04:44:28,915 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 56 places, 34 transitions, 201 flow [2021-03-25 04:44:28,916 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 56 places, 34 transitions, 201 flow [2021-03-25 04:44:28,922 INFO L129 PetriNetUnfolder]: 38/95 cut-off events. [2021-03-25 04:44:28,922 INFO L130 PetriNetUnfolder]: For 134/146 co-relation queries the response was YES. [2021-03-25 04:44:28,923 INFO L84 FinitePrefix]: Finished finitePrefix Result has 302 conditions, 95 events. 38/95 cut-off events. For 134/146 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 299 event pairs, 0 based on Foata normal form. 2/90 useless extension candidates. Maximal degree in co-relation 280. Up to 30 conditions per place. [2021-03-25 04:44:28,923 INFO L142 LiptonReduction]: Number of co-enabled transitions 126 [2021-03-25 04:44:29,579 WARN L205 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 178 [2021-03-25 04:44:29,844 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2021-03-25 04:44:31,008 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 302 DAG size of output: 258 [2021-03-25 04:44:31,556 WARN L205 SmtUtils]: Spent 547.00 ms on a formula simplification that was a NOOP. DAG size: 255 [2021-03-25 04:44:32,147 WARN L205 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 177 [2021-03-25 04:44:32,442 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2021-03-25 04:44:33,683 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 302 DAG size of output: 258 [2021-03-25 04:44:34,232 WARN L205 SmtUtils]: Spent 547.00 ms on a formula simplification that was a NOOP. DAG size: 255 [2021-03-25 04:44:34,361 INFO L154 LiptonReduction]: Checked pairs total: 37 [2021-03-25 04:44:34,361 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-25 04:44:34,361 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5446 [2021-03-25 04:44:34,361 INFO L480 AbstractCegarLoop]: Abstraction has has 54 places, 32 transitions, 199 flow [2021-03-25 04:44:34,362 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 164.83333333333334) internal successors, (989), 6 states have internal predecessors, (989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:44:34,362 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:44:34,362 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] [2021-03-25 04:44:34,362 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-25 04:44:34,362 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:44:34,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:44:34,363 INFO L82 PathProgramCache]: Analyzing trace with hash -514901778, now seen corresponding path program 1 times [2021-03-25 04:44:34,363 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:44:34,363 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523217615] [2021-03-25 04:44:34,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:44:34,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 04:44:34,405 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 04:44:34,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 04:44:34,458 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 04:44:34,500 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-25 04:44:34,501 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-25 04:44:34,501 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-25 04:44:34,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.03 04:44:34 BasicIcfg [2021-03-25 04:44:34,613 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-25 04:44:34,614 INFO L168 Benchmark]: Toolchain (without parser) took 21474.17 ms. Allocated memory was 255.9 MB in the beginning and 652.2 MB in the end (delta: 396.4 MB). Free memory was 235.0 MB in the beginning and 370.4 MB in the end (delta: -135.4 MB). Peak memory consumption was 259.4 MB. Max. memory is 16.0 GB. [2021-03-25 04:44:34,614 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 255.9 MB. Free memory is still 237.9 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-25 04:44:34,614 INFO L168 Benchmark]: CACSL2BoogieTranslator took 485.17 ms. Allocated memory was 255.9 MB in the beginning and 354.4 MB in the end (delta: 98.6 MB). Free memory was 235.0 MB in the beginning and 314.7 MB in the end (delta: -79.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. [2021-03-25 04:44:34,615 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.31 ms. Allocated memory is still 354.4 MB. Free memory was 314.7 MB in the beginning and 312.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-03-25 04:44:34,615 INFO L168 Benchmark]: Boogie Preprocessor took 43.57 ms. Allocated memory is still 354.4 MB. Free memory was 312.1 MB in the beginning and 310.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-25 04:44:34,615 INFO L168 Benchmark]: RCFGBuilder took 1680.37 ms. Allocated memory is still 354.4 MB. Free memory was 310.0 MB in the beginning and 258.6 MB in the end (delta: 51.3 MB). Peak memory consumption was 52.9 MB. Max. memory is 16.0 GB. [2021-03-25 04:44:34,616 INFO L168 Benchmark]: TraceAbstraction took 19183.75 ms. Allocated memory was 354.4 MB in the beginning and 652.2 MB in the end (delta: 297.8 MB). Free memory was 258.6 MB in the beginning and 370.4 MB in the end (delta: -111.7 MB). Peak memory consumption was 185.0 MB. Max. memory is 16.0 GB. [2021-03-25 04:44:34,622 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 255.9 MB. Free memory is still 237.9 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 485.17 ms. Allocated memory was 255.9 MB in the beginning and 354.4 MB in the end (delta: 98.6 MB). Free memory was 235.0 MB in the beginning and 314.7 MB in the end (delta: -79.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 76.31 ms. Allocated memory is still 354.4 MB. Free memory was 314.7 MB in the beginning and 312.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 43.57 ms. Allocated memory is still 354.4 MB. Free memory was 312.1 MB in the beginning and 310.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1680.37 ms. Allocated memory is still 354.4 MB. Free memory was 310.0 MB in the beginning and 258.6 MB in the end (delta: 51.3 MB). Peak memory consumption was 52.9 MB. Max. memory is 16.0 GB. * TraceAbstraction took 19183.75 ms. Allocated memory was 354.4 MB in the beginning and 652.2 MB in the end (delta: 297.8 MB). Free memory was 258.6 MB in the beginning and 370.4 MB in the end (delta: -111.7 MB). Peak memory consumption was 185.0 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2694.3ms, 123 PlacesBefore, 59 PlacesAfterwards, 112 TransitionsBefore, 47 TransitionsAfterwards, 2488 CoEnabledTransitionPairs, 5 FixpointIterations, 28 TrivialSequentialCompositions, 41 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 1 ChoiceCompositions, 74 TotalNumberOfCompositions, 3740 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1947, positive: 1866, positive conditional: 0, positive unconditional: 1866, negative: 81, negative conditional: 0, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1218, positive: 1191, positive conditional: 0, positive unconditional: 1191, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1218, positive: 1191, positive conditional: 0, positive unconditional: 1191, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1947, positive: 675, positive conditional: 0, positive unconditional: 675, negative: 54, negative conditional: 0, negative unconditional: 54, unknown: 1218, unknown conditional: 0, unknown unconditional: 1218] , Statistics on independence cache: Total cache size (in pairs): 106, Positive cache size: 92, Positive conditional cache size: 0, Positive unconditional cache size: 92, Negative cache size: 14, Negative conditional cache size: 0, Negative unconditional cache size: 14 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 993.0ms, 55 PlacesBefore, 41 PlacesAfterwards, 44 TransitionsBefore, 30 TransitionsAfterwards, 468 CoEnabledTransitionPairs, 3 FixpointIterations, 10 TrivialSequentialCompositions, 4 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 14 TotalNumberOfCompositions, 1422 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 383, positive: 308, positive conditional: 0, positive unconditional: 308, negative: 75, negative conditional: 0, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 96, positive: 77, positive conditional: 0, positive unconditional: 77, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 96, positive: 77, positive conditional: 0, positive unconditional: 77, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 383, positive: 231, positive conditional: 0, positive unconditional: 231, negative: 56, negative conditional: 0, negative unconditional: 56, unknown: 96, unknown conditional: 0, unknown unconditional: 96] , Statistics on independence cache: Total cache size (in pairs): 126, Positive cache size: 108, Positive conditional cache size: 0, Positive unconditional cache size: 108, Negative cache size: 18, Negative conditional cache size: 0, Negative unconditional cache size: 18 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1678.3ms, 50 PlacesBefore, 43 PlacesAfterwards, 35 TransitionsBefore, 32 TransitionsAfterwards, 382 CoEnabledTransitionPairs, 3 FixpointIterations, 3 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 465 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 93, positive: 69, positive conditional: 0, positive unconditional: 69, 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: 7, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 7, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 93, positive: 63, positive conditional: 0, positive unconditional: 63, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , Statistics on independence cache: Total cache size (in pairs): 133, Positive cache size: 114, Positive conditional cache size: 0, Positive unconditional cache size: 114, Negative cache size: 19, Negative conditional cache size: 0, Negative unconditional cache size: 19 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 81.2ms, 46 PlacesBefore, 46 PlacesAfterwards, 41 TransitionsBefore, 41 TransitionsAfterwards, 528 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 383 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 81, positive: 67, positive conditional: 0, positive unconditional: 67, 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: 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: 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] , Cache Queries: [ total: 81, positive: 65, positive conditional: 0, positive unconditional: 65, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 136, Positive cache size: 116, Positive conditional cache size: 0, Positive unconditional cache size: 116, Negative cache size: 20, Negative conditional cache size: 0, Negative unconditional cache size: 20 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 78.0ms, 52 PlacesBefore, 52 PlacesAfterwards, 55 TransitionsBefore, 55 TransitionsAfterwards, 702 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 915 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 219, positive: 192, positive conditional: 0, positive unconditional: 192, negative: 27, negative conditional: 0, negative unconditional: 27, 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: 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] , Cache Queries: [ total: 219, positive: 192, positive conditional: 0, positive unconditional: 192, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 136, Positive cache size: 116, Positive conditional cache size: 0, Positive unconditional cache size: 116, Negative cache size: 20, Negative conditional cache size: 0, Negative unconditional cache size: 20 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 105.3ms, 58 PlacesBefore, 58 PlacesAfterwards, 61 TransitionsBefore, 61 TransitionsAfterwards, 768 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1096 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 313, positive: 282, positive conditional: 0, positive unconditional: 282, negative: 31, negative conditional: 0, negative unconditional: 31, 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: 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] , Cache Queries: [ total: 313, positive: 279, positive conditional: 0, positive unconditional: 279, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 139, Positive cache size: 119, Positive conditional cache size: 0, Positive unconditional cache size: 119, Negative cache size: 20, Negative conditional cache size: 0, Negative unconditional cache size: 20 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 719.4ms, 65 PlacesBefore, 65 PlacesAfterwards, 70 TransitionsBefore, 69 TransitionsAfterwards, 1194 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1134 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 706, positive: 676, positive conditional: 0, positive unconditional: 676, negative: 30, negative conditional: 0, negative unconditional: 30, 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: 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] , Cache Queries: [ total: 706, positive: 673, positive conditional: 0, positive unconditional: 673, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 112, Positive conditional cache size: 0, Positive unconditional cache size: 112, Negative cache size: 18, Negative conditional cache size: 0, Negative unconditional cache size: 18 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 550.9ms, 66 PlacesBefore, 66 PlacesAfterwards, 65 TransitionsBefore, 65 TransitionsAfterwards, 924 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 350 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 173, positive: 162, positive conditional: 0, positive unconditional: 162, 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: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 173, positive: 162, positive conditional: 0, positive unconditional: 162, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 131, Positive cache size: 112, Positive conditional cache size: 0, Positive unconditional cache size: 112, Negative cache size: 19, Negative conditional cache size: 0, Negative unconditional cache size: 19 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 971.5ms, 74 PlacesBefore, 74 PlacesAfterwards, 74 TransitionsBefore, 73 TransitionsAfterwards, 1318 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 967 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 497, positive: 473, positive conditional: 0, positive unconditional: 473, 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: 9, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 9, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 497, positive: 464, positive conditional: 0, positive unconditional: 464, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 9, unknown conditional: 0, unknown unconditional: 9] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 111, Positive conditional cache size: 0, Positive unconditional cache size: 111, Negative cache size: 19, Negative conditional cache size: 0, Negative unconditional cache size: 19 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 334.5ms, 76 PlacesBefore, 76 PlacesAfterwards, 75 TransitionsBefore, 74 TransitionsAfterwards, 1116 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1014 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 480, positive: 454, positive conditional: 0, positive unconditional: 454, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 11, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 480, positive: 443, positive conditional: 0, positive unconditional: 443, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 11, unknown conditional: 0, unknown unconditional: 11] , Statistics on independence cache: Total cache size (in pairs): 131, Positive cache size: 112, Positive conditional cache size: 0, Positive unconditional cache size: 112, Negative cache size: 19, Negative conditional cache size: 0, Negative unconditional cache size: 19 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 914.8ms, 77 PlacesBefore, 73 PlacesAfterwards, 65 TransitionsBefore, 62 TransitionsAfterwards, 700 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 918 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 286, positive: 253, positive conditional: 0, positive unconditional: 253, negative: 33, negative conditional: 0, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 9, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 286, positive: 244, positive conditional: 0, positive unconditional: 244, negative: 33, negative conditional: 0, negative unconditional: 33, unknown: 9, unknown conditional: 0, unknown unconditional: 9] , Statistics on independence cache: Total cache size (in pairs): 111, Positive cache size: 99, Positive conditional cache size: 0, Positive unconditional cache size: 99, Negative cache size: 12, Negative conditional cache size: 0, Negative unconditional cache size: 12 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 218.6ms, 68 PlacesBefore, 64 PlacesAfterwards, 39 TransitionsBefore, 36 TransitionsAfterwards, 212 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 0 ChoiceCompositions, 4 TotalNumberOfCompositions, 155 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 113, positive: 105, positive conditional: 0, positive unconditional: 105, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 113, positive: 99, positive conditional: 0, positive unconditional: 99, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , Statistics on independence cache: Total cache size (in pairs): 58, Positive cache size: 51, Positive conditional cache size: 0, Positive unconditional cache size: 51, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5445.6ms, 56 PlacesBefore, 54 PlacesAfterwards, 34 TransitionsBefore, 32 TransitionsAfterwards, 126 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 37 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 28, positive: 27, positive conditional: 0, positive unconditional: 27, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 28, positive: 26, positive conditional: 0, positive unconditional: 26, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 42, Positive conditional cache size: 0, Positive unconditional cache size: 42, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7 - 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_p2_EAX = 0; [L714] 0 int __unbuffered_p3_EAX = 0; [L716] 0 int __unbuffered_p3_EBX = 0; [L718] 0 int a = 0; [L720] 0 int b = 0; [L721] 0 _Bool main$tmp_guard0; [L722] 0 _Bool main$tmp_guard1; [L724] 0 int x = 0; [L726] 0 int y = 0; [L728] 0 int z = 0; [L729] 0 _Bool z$flush_delayed; [L730] 0 int z$mem_tmp; [L731] 0 _Bool z$r_buff0_thd0; [L732] 0 _Bool z$r_buff0_thd1; [L733] 0 _Bool z$r_buff0_thd2; [L734] 0 _Bool z$r_buff0_thd3; [L735] 0 _Bool z$r_buff0_thd4; [L736] 0 _Bool z$r_buff1_thd0; [L737] 0 _Bool z$r_buff1_thd1; [L738] 0 _Bool z$r_buff1_thd2; [L739] 0 _Bool z$r_buff1_thd3; [L740] 0 _Bool z$r_buff1_thd4; [L741] 0 _Bool z$read_delayed; [L742] 0 int *z$read_delayed_var; [L743] 0 int z$w_buff0; [L744] 0 _Bool z$w_buff0_used; [L745] 0 int z$w_buff1; [L746] 0 _Bool z$w_buff1_used; [L747] 0 _Bool weak$$choice0; [L748] 0 _Bool weak$$choice2; [L854] 0 pthread_t t1077; [L855] FCALL, FORK 0 pthread_create(&t1077, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L856] 0 pthread_t t1078; [L857] FCALL, FORK 0 pthread_create(&t1078, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L858] 0 pthread_t t1079; [L859] FCALL, FORK 0 pthread_create(&t1079, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L860] 0 pthread_t t1080; [L861] FCALL, FORK 0 pthread_create(&t1080, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L810] 4 z$w_buff1 = z$w_buff0 [L811] 4 z$w_buff0 = 1 [L812] 4 z$w_buff1_used = z$w_buff0_used [L813] 4 z$w_buff0_used = (_Bool)1 [L18] COND FALSE 4 !(!expression) [L815] 4 z$r_buff1_thd0 = z$r_buff0_thd0 [L816] 4 z$r_buff1_thd1 = z$r_buff0_thd1 [L817] 4 z$r_buff1_thd2 = z$r_buff0_thd2 [L818] 4 z$r_buff1_thd3 = z$r_buff0_thd3 [L819] 4 z$r_buff1_thd4 = z$r_buff0_thd4 [L820] 4 z$r_buff0_thd4 = (_Bool)1 [L823] 4 a = 1 [L826] 4 __unbuffered_p3_EAX = a VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L829] 4 __unbuffered_p3_EBX = b VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L752] 1 b = 1 [L755] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L767] 2 x = 2 [L770] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L782] 3 y = 2 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L785] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L786] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L787] 3 z$flush_delayed = weak$$choice2 [L788] 3 z$mem_tmp = z [L789] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L789] 3 z = !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L790] EXPR 3 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L790] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0) [L790] EXPR 3 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L790] 3 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L791] EXPR 3 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L791] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1) [L791] EXPR 3 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L791] 3 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L792] EXPR 3 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L792] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used) [L792] EXPR 3 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L792] 3 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L793] EXPR 3 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L793] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L793] EXPR 3 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L793] 3 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L794] EXPR 3 weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L794] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3) [L794] EXPR 3 weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L794] 3 z$r_buff0_thd3 = weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L795] EXPR 3 weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L795] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L795] EXPR 3 weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L795] 3 z$r_buff1_thd3 = weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L796] 3 __unbuffered_p2_EAX = z [L797] EXPR 3 z$flush_delayed ? z$mem_tmp : z [L797] 3 z = z$flush_delayed ? z$mem_tmp : z [L798] 3 z$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L832] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L832] 4 z = z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L833] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L833] 4 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L834] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L834] 4 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L835] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L835] 4 z$r_buff0_thd4 = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L836] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L836] 4 z$r_buff1_thd4 = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L760] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L762] 1 return 0; [L775] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L777] 2 return 0; [L803] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L805] 3 return 0; [L839] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L841] 4 return 0; [L863] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L3] COND FALSE 0 !(!cond) [L867] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L867] EXPR 0 z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z [L867] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L867] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L868] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L868] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L869] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L869] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L870] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L870] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L871] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L871] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L874] 0 main$tmp_guard1 = !(x == 2 && y == 2 && __unbuffered_p2_EAX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 115 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 18.5ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 18915.0ms, OverallIterations: 13, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 2644.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 2764.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 89 SDtfs, 70 SDslu, 75 SDs, 0 SdLazy, 273 SolverSat, 73 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 273.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 49 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 206.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=903occurred in iteration=8, InterpolantAutomatonStates: 62, 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: 40.4ms SsaConstructionTime, 350.0ms SatisfiabilityAnalysisTime, 686.1ms InterpolantComputationTime, 250 NumberOfCodeBlocks, 250 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 218 ConstructedInterpolants, 0 QuantifiedInterpolants, 1193 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...