/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-RepeatedSemanticLbeWithDisjunctivePredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix043_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-26 10:09:27,126 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-26 10:09:27,128 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-26 10:09:27,159 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-26 10:09:27,160 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-26 10:09:27,163 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-26 10:09:27,165 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-26 10:09:27,170 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-26 10:09:27,173 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-26 10:09:27,177 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-26 10:09:27,178 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-26 10:09:27,179 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-26 10:09:27,180 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-26 10:09:27,181 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-26 10:09:27,183 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-26 10:09:27,184 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-26 10:09:27,186 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-26 10:09:27,187 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-26 10:09:27,189 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-26 10:09:27,197 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-26 10:09:27,199 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-26 10:09:27,200 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-26 10:09:27,201 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-26 10:09:27,203 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-26 10:09:27,209 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-26 10:09:27,217 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-26 10:09:27,218 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-26 10:09:27,219 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-26 10:09:27,222 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-RepeatedSemanticLbeWithDisjunctivePredicates.epf [2021-03-26 10:09:27,262 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-26 10:09:27,262 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-26 10:09:27,266 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-26 10:09:27,266 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-26 10:09:27,266 INFO L138 SettingsManager]: * Use SBE=true [2021-03-26 10:09:27,266 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-26 10:09:27,266 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-26 10:09:27,267 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-26 10:09:27,267 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-26 10:09:27,267 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-26 10:09:27,268 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-26 10:09:27,268 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-26 10:09:27,268 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-26 10:09:27,269 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-26 10:09:27,269 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-26 10:09:27,269 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-26 10:09:27,269 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-26 10:09:27,269 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-26 10:09:27,269 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-26 10:09:27,270 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-26 10:09:27,270 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-26 10:09:27,270 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 10:09:27,270 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-26 10:09:27,271 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-26 10:09:27,271 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-26 10:09:27,271 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-26 10:09:27,271 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-26 10:09:27,271 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES_DISJUNCTIVE [2021-03-26 10:09:27,271 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-26 10:09:27,272 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-26 10:09:27,272 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-26 10:09:27,599 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-26 10:09:27,625 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-26 10:09:27,628 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-26 10:09:27,629 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-26 10:09:27,629 INFO L275 PluginConnector]: CDTParser initialized [2021-03-26 10:09:27,630 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix043_pso.opt.i [2021-03-26 10:09:27,699 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d609ef408/d61a329afedb47ef97cd37bb07ae8e76/FLAGe0a7f1b4e [2021-03-26 10:09:28,227 INFO L306 CDTParser]: Found 1 translation units. [2021-03-26 10:09:28,228 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix043_pso.opt.i [2021-03-26 10:09:28,239 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d609ef408/d61a329afedb47ef97cd37bb07ae8e76/FLAGe0a7f1b4e [2021-03-26 10:09:28,536 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d609ef408/d61a329afedb47ef97cd37bb07ae8e76 [2021-03-26 10:09:28,538 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-26 10:09:28,539 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-26 10:09:28,542 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-26 10:09:28,542 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-26 10:09:28,546 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-26 10:09:28,546 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 10:09:28" (1/1) ... [2021-03-26 10:09:28,548 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d1b0411 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:09:28, skipping insertion in model container [2021-03-26 10:09:28,548 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 10:09:28" (1/1) ... [2021-03-26 10:09:28,554 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-26 10:09:28,607 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-26 10:09:28,742 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/mix043_pso.opt.i[948,961] [2021-03-26 10:09:28,987 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 10:09:28,994 INFO L203 MainTranslator]: Completed pre-run [2021-03-26 10:09:29,006 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/mix043_pso.opt.i[948,961] [2021-03-26 10:09:29,071 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 10:09:29,147 INFO L208 MainTranslator]: Completed translation [2021-03-26 10:09:29,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:09:29 WrapperNode [2021-03-26 10:09:29,148 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-26 10:09:29,149 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-26 10:09:29,150 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-26 10:09:29,150 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-26 10:09:29,156 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:09:29" (1/1) ... [2021-03-26 10:09:29,187 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:09:29" (1/1) ... [2021-03-26 10:09:29,232 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-26 10:09:29,233 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-26 10:09:29,233 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-26 10:09:29,233 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-26 10:09:29,242 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:09:29" (1/1) ... [2021-03-26 10:09:29,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:09:29" (1/1) ... [2021-03-26 10:09:29,255 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:09:29" (1/1) ... [2021-03-26 10:09:29,256 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:09:29" (1/1) ... [2021-03-26 10:09:29,276 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:09:29" (1/1) ... [2021-03-26 10:09:29,279 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:09:29" (1/1) ... [2021-03-26 10:09:29,281 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:09:29" (1/1) ... [2021-03-26 10:09:29,284 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-26 10:09:29,285 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-26 10:09:29,285 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-26 10:09:29,285 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-26 10:09:29,286 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:09:29" (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 [2021-03-26 10:09:29,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-26 10:09:29,360 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-26 10:09:29,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-26 10:09:29,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-26 10:09:29,361 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-26 10:09:29,361 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-26 10:09:29,362 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-26 10:09:29,362 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-26 10:09:29,362 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-26 10:09:29,362 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-26 10:09:29,362 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-03-26 10:09:29,362 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-03-26 10:09:29,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-26 10:09:29,362 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-26 10:09:29,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-26 10:09:29,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-26 10:09:29,364 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-26 10:09:31,114 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-26 10:09:31,114 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-26 10:09:31,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 10:09:31 BoogieIcfgContainer [2021-03-26 10:09:31,116 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-26 10:09:31,117 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-26 10:09:31,117 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-26 10:09:31,119 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-26 10:09:31,120 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.03 10:09:28" (1/3) ... [2021-03-26 10:09:31,120 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76ae6299 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 10:09:31, skipping insertion in model container [2021-03-26 10:09:31,120 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:09:29" (2/3) ... [2021-03-26 10:09:31,120 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76ae6299 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 10:09:31, skipping insertion in model container [2021-03-26 10:09:31,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 10:09:31" (3/3) ... [2021-03-26 10:09:31,122 INFO L111 eAbstractionObserver]: Analyzing ICFG mix043_pso.opt.i [2021-03-26 10:09:31,127 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-26 10:09:31,131 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-26 10:09:31,131 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-26 10:09:31,161 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,161 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,161 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,162 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,162 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,162 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,162 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,162 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,162 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,162 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,163 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,163 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,163 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,163 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,163 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,163 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,164 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,164 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,164 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,164 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,164 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,164 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,164 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,164 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,165 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,165 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,165 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,165 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,165 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,165 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,165 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,166 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,166 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,166 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,166 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,166 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,166 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,166 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,166 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,167 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,167 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,167 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,167 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,167 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,167 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,168 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,168 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,168 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,168 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,168 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,169 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,169 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,169 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,169 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,169 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,169 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,169 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,170 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,170 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,170 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,170 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,170 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,170 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,170 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,171 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,171 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,171 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,171 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,171 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,171 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,171 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,172 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,172 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,172 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,172 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,172 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,172 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,173 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,173 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,173 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,173 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,173 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,173 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,174 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,175 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,175 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,176 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,176 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,177 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,177 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,178 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,178 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,179 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,179 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,179 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,179 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,179 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,180 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,180 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,180 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,180 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,180 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,181 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,182 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,182 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,182 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,182 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,182 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,182 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,182 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,182 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,183 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,213 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,213 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:09:31,215 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-26 10:09:31,230 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-03-26 10:09:31,252 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-26 10:09:31,253 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-26 10:09:31,253 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-26 10:09:31,253 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-26 10:09:31,253 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-26 10:09:31,253 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-26 10:09:31,253 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-26 10:09:31,253 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-26 10:09:31,267 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 129 places, 118 transitions, 256 flow [2021-03-26 10:09:31,306 INFO L129 PetriNetUnfolder]: 2/114 cut-off events. [2021-03-26 10:09:31,306 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:09:31,311 INFO L84 FinitePrefix]: Finished finitePrefix Result has 127 conditions, 114 events. 2/114 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 83 event pairs, 0 based on Foata normal form. 0/110 useless extension candidates. Maximal degree in co-relation 76. Up to 2 conditions per place. [2021-03-26 10:09:31,311 INFO L82 GeneralOperation]: Start removeDead. Operand has 129 places, 118 transitions, 256 flow [2021-03-26 10:09:31,318 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 125 places, 114 transitions, 240 flow [2021-03-26 10:09:31,319 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:09:31,332 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 125 places, 114 transitions, 240 flow [2021-03-26 10:09:31,336 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 125 places, 114 transitions, 240 flow [2021-03-26 10:09:31,340 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 125 places, 114 transitions, 240 flow [2021-03-26 10:09:31,374 INFO L129 PetriNetUnfolder]: 2/114 cut-off events. [2021-03-26 10:09:31,374 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:09:31,375 INFO L84 FinitePrefix]: Finished finitePrefix Result has 127 conditions, 114 events. 2/114 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 86 event pairs, 0 based on Foata normal form. 0/110 useless extension candidates. Maximal degree in co-relation 76. Up to 2 conditions per place. [2021-03-26 10:09:31,379 INFO L142 LiptonReduction]: Number of co-enabled transitions 2598 [2021-03-26 10:09:32,839 WARN L205 SmtUtils]: Spent 738.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 189 [2021-03-26 10:09:33,126 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-03-26 10:09:34,492 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 314 DAG size of output: 270 [2021-03-26 10:09:35,113 WARN L205 SmtUtils]: Spent 613.00 ms on a formula simplification that was a NOOP. DAG size: 267 [2021-03-26 10:09:35,828 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-26 10:09:36,172 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 81 [2021-03-26 10:09:36,282 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-03-26 10:09:37,751 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-03-26 10:09:38,062 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-03-26 10:09:38,688 WARN L205 SmtUtils]: Spent 623.00 ms on a formula simplification that was a NOOP. DAG size: 269 [2021-03-26 10:09:39,332 WARN L205 SmtUtils]: Spent 642.00 ms on a formula simplification that was a NOOP. DAG size: 269 [2021-03-26 10:09:39,595 INFO L154 LiptonReduction]: Checked pairs total: 4482 [2021-03-26 10:09:39,595 INFO L156 LiptonReduction]: Total number of compositions: 78 [2021-03-26 10:09:39,597 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8279 [2021-03-26 10:09:39,606 INFO L129 PetriNetUnfolder]: 0/30 cut-off events. [2021-03-26 10:09:39,607 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:09:39,607 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:09:39,607 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] [2021-03-26 10:09:39,608 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]=== [2021-03-26 10:09:39,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:09:39,612 INFO L82 PathProgramCache]: Analyzing trace with hash 778215304, now seen corresponding path program 1 times [2021-03-26 10:09:39,619 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:09:39,619 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348390965] [2021-03-26 10:09:39,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:09:39,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:09:39,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:09:39,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:09:39,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:09:39,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:09:39,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:09:39,819 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348390965] [2021-03-26 10:09:39,820 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:09:39,820 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 10:09:39,820 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558196895] [2021-03-26 10:09:39,827 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 10:09:39,827 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:09:39,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 10:09:39,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 10:09:39,840 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 196 [2021-03-26 10:09:39,842 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 46 transitions, 104 flow. Second operand has 3 states, 3 states have (on average 173.66666666666666) internal successors, (521), 3 states have internal predecessors, (521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:09:39,842 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:09:39,842 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 196 [2021-03-26 10:09:39,843 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:09:39,901 INFO L129 PetriNetUnfolder]: 23/107 cut-off events. [2021-03-26 10:09:39,901 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:09:39,902 INFO L84 FinitePrefix]: Finished finitePrefix Result has 168 conditions, 107 events. 23/107 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 353 event pairs, 9 based on Foata normal form. 5/102 useless extension candidates. Maximal degree in co-relation 146. Up to 37 conditions per place. [2021-03-26 10:09:39,903 INFO L132 encePairwiseOnDemand]: 192/196 looper letters, 7 selfloop transitions, 2 changer transitions 5/47 dead transitions. [2021-03-26 10:09:39,903 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 47 transitions, 128 flow [2021-03-26 10:09:39,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 10:09:39,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 10:09:39,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 533 transitions. [2021-03-26 10:09:39,926 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9064625850340136 [2021-03-26 10:09:39,927 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 533 transitions. [2021-03-26 10:09:39,928 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 533 transitions. [2021-03-26 10:09:39,929 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:09:39,931 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 533 transitions. [2021-03-26 10:09:39,935 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 177.66666666666666) internal successors, (533), 3 states have internal predecessors, (533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:09:39,941 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 196.0) internal successors, (784), 4 states have internal predecessors, (784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:09:39,941 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 196.0) internal successors, (784), 4 states have internal predecessors, (784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:09:39,943 INFO L185 Difference]: Start difference. First operand has 58 places, 46 transitions, 104 flow. Second operand 3 states and 533 transitions. [2021-03-26 10:09:39,943 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 47 transitions, 128 flow [2021-03-26 10:09:39,945 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 47 transitions, 124 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-26 10:09:39,947 INFO L241 Difference]: Finished difference. Result has 54 places, 39 transitions, 90 flow [2021-03-26 10:09:39,948 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=196, PETRI_DIFFERENCE_MINUEND_FLOW=94, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=90, PETRI_PLACES=54, PETRI_TRANSITIONS=39} [2021-03-26 10:09:39,949 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, -4 predicate places. [2021-03-26 10:09:39,949 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:09:39,949 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 54 places, 39 transitions, 90 flow [2021-03-26 10:09:39,949 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 54 places, 39 transitions, 90 flow [2021-03-26 10:09:39,950 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 50 places, 39 transitions, 90 flow [2021-03-26 10:09:39,955 INFO L129 PetriNetUnfolder]: 0/39 cut-off events. [2021-03-26 10:09:39,955 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:09:39,956 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51 conditions, 39 events. 0/39 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 39 event pairs, 0 based on Foata normal form. 0/38 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-03-26 10:09:39,987 INFO L142 LiptonReduction]: Number of co-enabled transitions 392 [2021-03-26 10:09:40,469 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2021-03-26 10:09:40,738 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2021-03-26 10:09:41,376 WARN L205 SmtUtils]: Spent 635.00 ms on a formula simplification that was a NOOP. DAG size: 270 [2021-03-26 10:09:41,952 WARN L205 SmtUtils]: Spent 574.00 ms on a formula simplification that was a NOOP. DAG size: 270 [2021-03-26 10:09:42,649 INFO L154 LiptonReduction]: Checked pairs total: 1672 [2021-03-26 10:09:42,649 INFO L156 LiptonReduction]: Total number of compositions: 11 [2021-03-26 10:09:42,649 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2700 [2021-03-26 10:09:42,650 INFO L480 AbstractCegarLoop]: Abstraction has has 39 places, 28 transitions, 68 flow [2021-03-26 10:09:42,651 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 173.66666666666666) internal successors, (521), 3 states have internal predecessors, (521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:09:42,651 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:09:42,651 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] [2021-03-26 10:09:42,651 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-26 10:09:42,652 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]=== [2021-03-26 10:09:42,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:09:42,652 INFO L82 PathProgramCache]: Analyzing trace with hash -418335220, now seen corresponding path program 1 times [2021-03-26 10:09:42,652 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:09:42,652 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230034538] [2021-03-26 10:09:42,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:09:42,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:09:42,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:09:42,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:09:42,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:09:42,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:09:42,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:09:42,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 10:09:42,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:09:42,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 10:09:42,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:09:42,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 10:09:42,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:09:42,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:09:42,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:09:42,870 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230034538] [2021-03-26 10:09:42,871 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:09:42,871 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 10:09:42,871 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522238512] [2021-03-26 10:09:42,872 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 10:09:42,872 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:09:42,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 10:09:42,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-03-26 10:09:42,874 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 207 [2021-03-26 10:09:42,876 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 28 transitions, 68 flow. Second operand has 7 states, 7 states have (on average 163.85714285714286) internal successors, (1147), 7 states have internal predecessors, (1147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:09:42,876 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:09:42,876 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 207 [2021-03-26 10:09:42,876 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:09:42,937 INFO L129 PetriNetUnfolder]: 28/86 cut-off events. [2021-03-26 10:09:42,937 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2021-03-26 10:09:42,938 INFO L84 FinitePrefix]: Finished finitePrefix Result has 162 conditions, 86 events. 28/86 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 257 event pairs, 16 based on Foata normal form. 1/85 useless extension candidates. Maximal degree in co-relation 150. Up to 52 conditions per place. [2021-03-26 10:09:42,938 INFO L132 encePairwiseOnDemand]: 200/207 looper letters, 7 selfloop transitions, 8 changer transitions 0/35 dead transitions. [2021-03-26 10:09:42,939 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 35 transitions, 114 flow [2021-03-26 10:09:42,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 10:09:42,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 10:09:42,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 668 transitions. [2021-03-26 10:09:42,942 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8067632850241546 [2021-03-26 10:09:42,942 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 668 transitions. [2021-03-26 10:09:42,942 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 668 transitions. [2021-03-26 10:09:42,942 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:09:42,942 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 668 transitions. [2021-03-26 10:09:42,944 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 167.0) internal successors, (668), 4 states have internal predecessors, (668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:09:42,946 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) [2021-03-26 10:09:42,947 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) [2021-03-26 10:09:42,947 INFO L185 Difference]: Start difference. First operand has 39 places, 28 transitions, 68 flow. Second operand 4 states and 668 transitions. [2021-03-26 10:09:42,947 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 35 transitions, 114 flow [2021-03-26 10:09:42,947 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 35 transitions, 108 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 10:09:42,948 INFO L241 Difference]: Finished difference. Result has 42 places, 34 transitions, 114 flow [2021-03-26 10:09:42,948 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=114, PETRI_PLACES=42, PETRI_TRANSITIONS=34} [2021-03-26 10:09:42,949 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, -16 predicate places. [2021-03-26 10:09:42,949 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:09:42,949 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 34 transitions, 114 flow [2021-03-26 10:09:42,950 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 34 transitions, 114 flow [2021-03-26 10:09:42,950 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 42 places, 34 transitions, 114 flow [2021-03-26 10:09:42,960 INFO L129 PetriNetUnfolder]: 8/59 cut-off events. [2021-03-26 10:09:42,960 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-26 10:09:42,960 INFO L84 FinitePrefix]: Finished finitePrefix Result has 110 conditions, 59 events. 8/59 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 157 event pairs, 1 based on Foata normal form. 0/58 useless extension candidates. Maximal degree in co-relation 97. Up to 18 conditions per place. [2021-03-26 10:09:42,962 INFO L142 LiptonReduction]: Number of co-enabled transitions 428 [2021-03-26 10:09:43,224 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-03-26 10:09:43,711 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 126 [2021-03-26 10:09:43,848 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2021-03-26 10:09:44,148 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 126 [2021-03-26 10:09:44,282 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2021-03-26 10:09:44,287 INFO L154 LiptonReduction]: Checked pairs total: 1074 [2021-03-26 10:09:44,287 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 10:09:44,287 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1338 [2021-03-26 10:09:44,288 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 32 transitions, 108 flow [2021-03-26 10:09:44,289 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 163.85714285714286) internal successors, (1147), 7 states have internal predecessors, (1147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:09:44,289 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:09:44,289 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:09:44,289 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-26 10:09:44,289 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:09:44,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:09:44,290 INFO L82 PathProgramCache]: Analyzing trace with hash 1986290399, now seen corresponding path program 1 times [2021-03-26 10:09:44,290 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:09:44,290 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635558800] [2021-03-26 10:09:44,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:09:44,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:09:44,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:09:44,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:09:44,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:09:44,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 10:09:44,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:09:44,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 10:09:44,433 INFO L142 QuantifierPusher]: treesize reduction 8, result has 55.6 percent of original size [2021-03-26 10:09:44,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 10:09:44,440 INFO L142 QuantifierPusher]: treesize reduction 8, result has 55.6 percent of original size [2021-03-26 10:09:44,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 10:09:44,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:09:44,454 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635558800] [2021-03-26 10:09:44,454 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:09:44,454 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 10:09:44,454 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017177013] [2021-03-26 10:09:44,454 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 10:09:44,455 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:09:44,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 10:09:44,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-03-26 10:09:44,456 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 167 out of 209 [2021-03-26 10:09:44,457 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 32 transitions, 108 flow. Second operand has 6 states, 6 states have (on average 167.83333333333334) internal successors, (1007), 6 states have internal predecessors, (1007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:09:44,457 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:09:44,457 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 167 of 209 [2021-03-26 10:09:44,458 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:09:44,507 INFO L129 PetriNetUnfolder]: 25/80 cut-off events. [2021-03-26 10:09:44,507 INFO L130 PetriNetUnfolder]: For 31/37 co-relation queries the response was YES. [2021-03-26 10:09:44,508 INFO L84 FinitePrefix]: Finished finitePrefix Result has 203 conditions, 80 events. 25/80 cut-off events. For 31/37 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 245 event pairs, 16 based on Foata normal form. 7/85 useless extension candidates. Maximal degree in co-relation 191. Up to 47 conditions per place. [2021-03-26 10:09:44,509 INFO L132 encePairwiseOnDemand]: 204/209 looper letters, 8 selfloop transitions, 7 changer transitions 0/34 dead transitions. [2021-03-26 10:09:44,509 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 34 transitions, 145 flow [2021-03-26 10:09:44,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 10:09:44,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 10:09:44,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 682 transitions. [2021-03-26 10:09:44,511 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8157894736842105 [2021-03-26 10:09:44,512 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 682 transitions. [2021-03-26 10:09:44,512 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 682 transitions. [2021-03-26 10:09:44,512 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:09:44,512 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 682 transitions. [2021-03-26 10:09:44,514 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 170.5) internal successors, (682), 4 states have internal predecessors, (682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:09:44,515 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 209.0) internal successors, (1045), 5 states have internal predecessors, (1045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:09:44,516 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 209.0) internal successors, (1045), 5 states have internal predecessors, (1045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:09:44,516 INFO L185 Difference]: Start difference. First operand has 40 places, 32 transitions, 108 flow. Second operand 4 states and 682 transitions. [2021-03-26 10:09:44,516 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 34 transitions, 145 flow [2021-03-26 10:09:44,517 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 34 transitions, 143 flow, removed 1 selfloop flow, removed 0 redundant places. [2021-03-26 10:09:44,518 INFO L241 Difference]: Finished difference. Result has 44 places, 33 transitions, 134 flow [2021-03-26 10:09:44,518 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=101, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=134, PETRI_PLACES=44, PETRI_TRANSITIONS=33} [2021-03-26 10:09:44,518 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, -14 predicate places. [2021-03-26 10:09:44,518 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:09:44,520 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 44 places, 33 transitions, 134 flow [2021-03-26 10:09:44,521 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 44 places, 33 transitions, 134 flow [2021-03-26 10:09:44,521 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 44 places, 33 transitions, 134 flow [2021-03-26 10:09:44,528 INFO L129 PetriNetUnfolder]: 12/55 cut-off events. [2021-03-26 10:09:44,533 INFO L130 PetriNetUnfolder]: For 31/32 co-relation queries the response was YES. [2021-03-26 10:09:44,534 INFO L84 FinitePrefix]: Finished finitePrefix Result has 138 conditions, 55 events. 12/55 cut-off events. For 31/32 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 139 event pairs, 2 based on Foata normal form. 0/53 useless extension candidates. Maximal degree in co-relation 126. Up to 19 conditions per place. [2021-03-26 10:09:44,535 INFO L142 LiptonReduction]: Number of co-enabled transitions 432 [2021-03-26 10:09:44,567 INFO L154 LiptonReduction]: Checked pairs total: 430 [2021-03-26 10:09:44,567 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:09:44,567 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 49 [2021-03-26 10:09:44,570 INFO L480 AbstractCegarLoop]: Abstraction has has 44 places, 33 transitions, 134 flow [2021-03-26 10:09:44,570 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 167.83333333333334) internal successors, (1007), 6 states have internal predecessors, (1007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:09:44,571 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:09:44,571 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:09:44,571 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-26 10:09:44,571 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:09:44,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:09:44,571 INFO L82 PathProgramCache]: Analyzing trace with hash -712171375, now seen corresponding path program 1 times [2021-03-26 10:09:44,572 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:09:44,572 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390866329] [2021-03-26 10:09:44,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:09:44,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:09:44,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:09:44,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:09:44,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:09:44,620 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390866329] [2021-03-26 10:09:44,620 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:09:44,620 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-26 10:09:44,620 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228509762] [2021-03-26 10:09:44,621 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 10:09:44,621 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:09:44,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 10:09:44,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 10:09:44,622 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 209 [2021-03-26 10:09:44,623 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 33 transitions, 134 flow. Second operand has 3 states, 3 states have (on average 187.66666666666666) internal successors, (563), 3 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:09:44,623 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:09:44,623 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 209 [2021-03-26 10:09:44,623 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:09:44,659 INFO L129 PetriNetUnfolder]: 11/52 cut-off events. [2021-03-26 10:09:44,659 INFO L130 PetriNetUnfolder]: For 45/46 co-relation queries the response was YES. [2021-03-26 10:09:44,659 INFO L84 FinitePrefix]: Finished finitePrefix Result has 140 conditions, 52 events. 11/52 cut-off events. For 45/46 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 122 event pairs, 3 based on Foata normal form. 1/51 useless extension candidates. Maximal degree in co-relation 126. Up to 18 conditions per place. [2021-03-26 10:09:44,660 INFO L132 encePairwiseOnDemand]: 206/209 looper letters, 1 selfloop transitions, 3 changer transitions 0/33 dead transitions. [2021-03-26 10:09:44,660 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 33 transitions, 142 flow [2021-03-26 10:09:44,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 10:09:44,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 10:09:44,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 565 transitions. [2021-03-26 10:09:44,662 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9011164274322169 [2021-03-26 10:09:44,665 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 565 transitions. [2021-03-26 10:09:44,666 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 565 transitions. [2021-03-26 10:09:44,666 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:09:44,667 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 565 transitions. [2021-03-26 10:09:44,668 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 188.33333333333334) internal successors, (565), 3 states have internal predecessors, (565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:09:44,669 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 209.0) internal successors, (836), 4 states have internal predecessors, (836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:09:44,670 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 209.0) internal successors, (836), 4 states have internal predecessors, (836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:09:44,670 INFO L185 Difference]: Start difference. First operand has 44 places, 33 transitions, 134 flow. Second operand 3 states and 565 transitions. [2021-03-26 10:09:44,670 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 33 transitions, 142 flow [2021-03-26 10:09:44,672 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 33 transitions, 133 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 10:09:44,673 INFO L241 Difference]: Finished difference. Result has 45 places, 33 transitions, 136 flow [2021-03-26 10:09:44,673 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=125, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=136, PETRI_PLACES=45, PETRI_TRANSITIONS=33} [2021-03-26 10:09:44,673 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, -13 predicate places. [2021-03-26 10:09:44,674 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:09:44,674 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 33 transitions, 136 flow [2021-03-26 10:09:44,674 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 33 transitions, 136 flow [2021-03-26 10:09:44,674 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 45 places, 33 transitions, 136 flow [2021-03-26 10:09:44,683 INFO L129 PetriNetUnfolder]: 10/54 cut-off events. [2021-03-26 10:09:44,683 INFO L130 PetriNetUnfolder]: For 31/31 co-relation queries the response was YES. [2021-03-26 10:09:44,684 INFO L84 FinitePrefix]: Finished finitePrefix Result has 132 conditions, 54 events. 10/54 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 131 event pairs, 2 based on Foata normal form. 0/53 useless extension candidates. Maximal degree in co-relation 119. Up to 17 conditions per place. [2021-03-26 10:09:44,684 INFO L142 LiptonReduction]: Number of co-enabled transitions 432 [2021-03-26 10:09:44,749 INFO L154 LiptonReduction]: Checked pairs total: 396 [2021-03-26 10:09:44,750 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:09:44,750 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 76 [2021-03-26 10:09:44,750 INFO L480 AbstractCegarLoop]: Abstraction has has 45 places, 33 transitions, 136 flow [2021-03-26 10:09:44,751 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 187.66666666666666) internal successors, (563), 3 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:09:44,751 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:09:44,751 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:09:44,751 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-26 10:09:44,751 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:09:44,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:09:44,752 INFO L82 PathProgramCache]: Analyzing trace with hash -596523024, now seen corresponding path program 1 times [2021-03-26 10:09:44,752 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:09:44,752 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636591560] [2021-03-26 10:09:44,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:09:44,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:09:44,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:09:44,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:09:44,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:09:44,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:09:44,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:09:44,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 10:09:44,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:09:44,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 10:09:44,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:09:44,819 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636591560] [2021-03-26 10:09:44,819 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:09:44,820 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:09:44,820 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206981638] [2021-03-26 10:09:44,820 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 10:09:44,820 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:09:44,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 10:09:44,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-03-26 10:09:44,821 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 209 [2021-03-26 10:09:44,822 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 33 transitions, 136 flow. Second operand has 5 states, 5 states have (on average 173.0) internal successors, (865), 5 states have internal predecessors, (865), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:09:44,822 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:09:44,823 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 209 [2021-03-26 10:09:44,823 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:09:44,864 INFO L129 PetriNetUnfolder]: 21/77 cut-off events. [2021-03-26 10:09:44,864 INFO L130 PetriNetUnfolder]: For 85/87 co-relation queries the response was YES. [2021-03-26 10:09:44,864 INFO L84 FinitePrefix]: Finished finitePrefix Result has 227 conditions, 77 events. 21/77 cut-off events. For 85/87 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 242 event pairs, 6 based on Foata normal form. 4/79 useless extension candidates. Maximal degree in co-relation 212. Up to 34 conditions per place. [2021-03-26 10:09:44,865 INFO L132 encePairwiseOnDemand]: 204/209 looper letters, 11 selfloop transitions, 7 changer transitions 0/37 dead transitions. [2021-03-26 10:09:44,865 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 37 transitions, 191 flow [2021-03-26 10:09:44,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 10:09:44,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 10:09:44,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 700 transitions. [2021-03-26 10:09:44,867 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8373205741626795 [2021-03-26 10:09:44,867 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 700 transitions. [2021-03-26 10:09:44,867 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 700 transitions. [2021-03-26 10:09:44,868 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:09:44,868 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 700 transitions. [2021-03-26 10:09:44,869 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 175.0) internal successors, (700), 4 states have internal predecessors, (700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:09:44,871 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 209.0) internal successors, (1045), 5 states have internal predecessors, (1045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:09:44,871 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 209.0) internal successors, (1045), 5 states have internal predecessors, (1045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:09:44,871 INFO L185 Difference]: Start difference. First operand has 45 places, 33 transitions, 136 flow. Second operand 4 states and 700 transitions. [2021-03-26 10:09:44,871 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 37 transitions, 191 flow [2021-03-26 10:09:44,872 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 37 transitions, 181 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-03-26 10:09:44,873 INFO L241 Difference]: Finished difference. Result has 47 places, 35 transitions, 162 flow [2021-03-26 10:09:44,873 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=128, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=162, PETRI_PLACES=47, PETRI_TRANSITIONS=35} [2021-03-26 10:09:44,874 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, -11 predicate places. [2021-03-26 10:09:44,874 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:09:44,874 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 47 places, 35 transitions, 162 flow [2021-03-26 10:09:44,874 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 47 places, 35 transitions, 162 flow [2021-03-26 10:09:44,874 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 47 places, 35 transitions, 162 flow [2021-03-26 10:09:44,883 INFO L129 PetriNetUnfolder]: 15/65 cut-off events. [2021-03-26 10:09:44,883 INFO L130 PetriNetUnfolder]: For 70/71 co-relation queries the response was YES. [2021-03-26 10:09:44,883 INFO L84 FinitePrefix]: Finished finitePrefix Result has 189 conditions, 65 events. 15/65 cut-off events. For 70/71 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 192 event pairs, 3 based on Foata normal form. 0/61 useless extension candidates. Maximal degree in co-relation 175. Up to 23 conditions per place. [2021-03-26 10:09:44,884 INFO L142 LiptonReduction]: Number of co-enabled transitions 464 [2021-03-26 10:09:44,930 INFO L154 LiptonReduction]: Checked pairs total: 399 [2021-03-26 10:09:44,930 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:09:44,930 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 56 [2021-03-26 10:09:44,931 INFO L480 AbstractCegarLoop]: Abstraction has has 47 places, 35 transitions, 162 flow [2021-03-26 10:09:44,932 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 173.0) internal successors, (865), 5 states have internal predecessors, (865), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:09:44,932 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:09:44,932 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:09:44,932 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-26 10:09:44,932 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:09:44,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:09:44,933 INFO L82 PathProgramCache]: Analyzing trace with hash -596572655, now seen corresponding path program 1 times [2021-03-26 10:09:44,933 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:09:44,933 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105383264] [2021-03-26 10:09:44,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:09:44,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:09:45,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:09:45,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:09:45,019 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-26 10:09:45,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:09:45,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:09:45,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:09:45,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:09:45,027 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105383264] [2021-03-26 10:09:45,027 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:09:45,027 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:09:45,027 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120400103] [2021-03-26 10:09:45,028 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:09:45,028 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:09:45,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:09:45,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:09:45,030 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 209 [2021-03-26 10:09:45,030 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 35 transitions, 162 flow. Second operand has 4 states, 4 states have (on average 174.75) internal successors, (699), 4 states have internal predecessors, (699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:09:45,030 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:09:45,030 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 209 [2021-03-26 10:09:45,030 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:09:45,140 INFO L129 PetriNetUnfolder]: 247/463 cut-off events. [2021-03-26 10:09:45,140 INFO L130 PetriNetUnfolder]: For 310/421 co-relation queries the response was YES. [2021-03-26 10:09:45,143 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1219 conditions, 463 events. 247/463 cut-off events. For 310/421 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 2588 event pairs, 117 based on Foata normal form. 37/432 useless extension candidates. Maximal degree in co-relation 1203. Up to 281 conditions per place. [2021-03-26 10:09:45,145 INFO L132 encePairwiseOnDemand]: 202/209 looper letters, 12 selfloop transitions, 9 changer transitions 2/49 dead transitions. [2021-03-26 10:09:45,145 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 49 transitions, 236 flow [2021-03-26 10:09:45,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 10:09:45,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 10:09:45,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 894 transitions. [2021-03-26 10:09:45,148 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8555023923444977 [2021-03-26 10:09:45,148 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 894 transitions. [2021-03-26 10:09:45,148 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 894 transitions. [2021-03-26 10:09:45,148 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:09:45,148 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 894 transitions. [2021-03-26 10:09:45,150 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 178.8) internal successors, (894), 5 states have internal predecessors, (894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:09:45,152 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 209.0) internal successors, (1254), 6 states have internal predecessors, (1254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:09:45,152 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 209.0) internal successors, (1254), 6 states have internal predecessors, (1254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:09:45,152 INFO L185 Difference]: Start difference. First operand has 47 places, 35 transitions, 162 flow. Second operand 5 states and 894 transitions. [2021-03-26 10:09:45,152 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 49 transitions, 236 flow [2021-03-26 10:09:45,156 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 49 transitions, 226 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-03-26 10:09:45,157 INFO L241 Difference]: Finished difference. Result has 52 places, 43 transitions, 225 flow [2021-03-26 10:09:45,157 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=152, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=225, PETRI_PLACES=52, PETRI_TRANSITIONS=43} [2021-03-26 10:09:45,158 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, -6 predicate places. [2021-03-26 10:09:45,158 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:09:45,158 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 52 places, 43 transitions, 225 flow [2021-03-26 10:09:45,158 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 52 places, 43 transitions, 225 flow [2021-03-26 10:09:45,158 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 52 places, 43 transitions, 225 flow [2021-03-26 10:09:45,198 INFO L129 PetriNetUnfolder]: 199/383 cut-off events. [2021-03-26 10:09:45,198 INFO L130 PetriNetUnfolder]: For 432/491 co-relation queries the response was YES. [2021-03-26 10:09:45,200 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1248 conditions, 383 events. 199/383 cut-off events. For 432/491 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 2038 event pairs, 90 based on Foata normal form. 2/353 useless extension candidates. Maximal degree in co-relation 1231. Up to 228 conditions per place. [2021-03-26 10:09:45,204 INFO L142 LiptonReduction]: Number of co-enabled transitions 650 [2021-03-26 10:09:45,212 INFO L154 LiptonReduction]: Checked pairs total: 421 [2021-03-26 10:09:45,212 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:09:45,212 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 54 [2021-03-26 10:09:45,213 INFO L480 AbstractCegarLoop]: Abstraction has has 52 places, 43 transitions, 225 flow [2021-03-26 10:09:45,213 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 174.75) internal successors, (699), 4 states have internal predecessors, (699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:09:45,213 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:09:45,213 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:09:45,213 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-26 10:09:45,213 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:09:45,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:09:45,214 INFO L82 PathProgramCache]: Analyzing trace with hash -1802133341, now seen corresponding path program 1 times [2021-03-26 10:09:45,214 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:09:45,214 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942324648] [2021-03-26 10:09:45,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:09:45,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:09:45,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:09:45,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:09:45,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:09:45,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:09:45,309 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-26 10:09:45,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:09:45,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:09:45,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:09:45,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:09:45,316 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942324648] [2021-03-26 10:09:45,316 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:09:45,316 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 10:09:45,316 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484683977] [2021-03-26 10:09:45,317 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 10:09:45,317 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:09:45,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 10:09:45,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 10:09:45,322 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 209 [2021-03-26 10:09:45,323 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 43 transitions, 225 flow. Second operand has 5 states, 5 states have (on average 174.8) internal successors, (874), 5 states have internal predecessors, (874), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:09:45,323 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:09:45,323 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 209 [2021-03-26 10:09:45,323 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:09:45,421 INFO L129 PetriNetUnfolder]: 192/380 cut-off events. [2021-03-26 10:09:45,422 INFO L130 PetriNetUnfolder]: For 543/1194 co-relation queries the response was YES. [2021-03-26 10:09:45,423 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1444 conditions, 380 events. 192/380 cut-off events. For 543/1194 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 1930 event pairs, 31 based on Foata normal form. 74/416 useless extension candidates. Maximal degree in co-relation 1425. Up to 248 conditions per place. [2021-03-26 10:09:45,425 INFO L132 encePairwiseOnDemand]: 202/209 looper letters, 13 selfloop transitions, 17 changer transitions 2/58 dead transitions. [2021-03-26 10:09:45,426 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 58 transitions, 369 flow [2021-03-26 10:09:45,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 10:09:45,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 10:09:45,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1251 transitions. [2021-03-26 10:09:45,429 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8550922761449077 [2021-03-26 10:09:45,429 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1251 transitions. [2021-03-26 10:09:45,429 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1251 transitions. [2021-03-26 10:09:45,430 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:09:45,430 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1251 transitions. [2021-03-26 10:09:45,432 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 178.71428571428572) internal successors, (1251), 7 states have internal predecessors, (1251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:09:45,434 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 209.0) internal successors, (1672), 8 states have internal predecessors, (1672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:09:45,435 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 209.0) internal successors, (1672), 8 states have internal predecessors, (1672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:09:45,435 INFO L185 Difference]: Start difference. First operand has 52 places, 43 transitions, 225 flow. Second operand 7 states and 1251 transitions. [2021-03-26 10:09:45,435 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 58 transitions, 369 flow [2021-03-26 10:09:45,437 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 58 transitions, 364 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 10:09:45,439 INFO L241 Difference]: Finished difference. Result has 60 places, 51 transitions, 345 flow [2021-03-26 10:09:45,440 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=220, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=345, PETRI_PLACES=60, PETRI_TRANSITIONS=51} [2021-03-26 10:09:45,440 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 2 predicate places. [2021-03-26 10:09:45,440 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:09:45,440 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 60 places, 51 transitions, 345 flow [2021-03-26 10:09:45,440 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 60 places, 51 transitions, 345 flow [2021-03-26 10:09:45,441 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 60 places, 51 transitions, 345 flow [2021-03-26 10:09:45,477 INFO L129 PetriNetUnfolder]: 138/302 cut-off events. [2021-03-26 10:09:45,477 INFO L130 PetriNetUnfolder]: For 947/1245 co-relation queries the response was YES. [2021-03-26 10:09:45,478 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1365 conditions, 302 events. 138/302 cut-off events. For 947/1245 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 1553 event pairs, 29 based on Foata normal form. 7/282 useless extension candidates. Maximal degree in co-relation 1344. Up to 191 conditions per place. [2021-03-26 10:09:45,482 INFO L142 LiptonReduction]: Number of co-enabled transitions 808 [2021-03-26 10:09:45,511 INFO L154 LiptonReduction]: Checked pairs total: 521 [2021-03-26 10:09:45,512 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:09:45,512 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 72 [2021-03-26 10:09:45,513 INFO L480 AbstractCegarLoop]: Abstraction has has 60 places, 51 transitions, 345 flow [2021-03-26 10:09:45,513 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 174.8) internal successors, (874), 5 states have internal predecessors, (874), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:09:45,513 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:09:45,513 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:09:45,513 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-26 10:09:45,513 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:09:45,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:09:45,514 INFO L82 PathProgramCache]: Analyzing trace with hash 1120681770, now seen corresponding path program 1 times [2021-03-26 10:09:45,514 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:09:45,514 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944745081] [2021-03-26 10:09:45,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:09:45,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:09:45,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:09:45,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:09:45,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:09:45,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:09:45,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:09:45,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:09:45,612 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-26 10:09:45,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:09:45,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:09:45,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:09:45,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:09:45,620 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944745081] [2021-03-26 10:09:45,620 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:09:45,620 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 10:09:45,620 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646155845] [2021-03-26 10:09:45,620 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 10:09:45,620 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:09:45,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 10:09:45,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-26 10:09:45,622 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 209 [2021-03-26 10:09:45,624 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 51 transitions, 345 flow. Second operand has 6 states, 6 states have (on average 174.83333333333334) internal successors, (1049), 6 states have internal predecessors, (1049), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:09:45,624 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:09:45,624 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 209 [2021-03-26 10:09:45,624 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:09:45,750 INFO L129 PetriNetUnfolder]: 141/295 cut-off events. [2021-03-26 10:09:45,751 INFO L130 PetriNetUnfolder]: For 1119/2270 co-relation queries the response was YES. [2021-03-26 10:09:45,753 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1514 conditions, 295 events. 141/295 cut-off events. For 1119/2270 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 1434 event pairs, 4 based on Foata normal form. 99/361 useless extension candidates. Maximal degree in co-relation 1491. Up to 220 conditions per place. [2021-03-26 10:09:45,754 INFO L132 encePairwiseOnDemand]: 202/209 looper letters, 10 selfloop transitions, 25 changer transitions 5/64 dead transitions. [2021-03-26 10:09:45,755 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 64 transitions, 530 flow [2021-03-26 10:09:45,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 10:09:45,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 10:09:45,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1608 transitions. [2021-03-26 10:09:45,759 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8548644338118022 [2021-03-26 10:09:45,759 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1608 transitions. [2021-03-26 10:09:45,759 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1608 transitions. [2021-03-26 10:09:45,760 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:09:45,760 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1608 transitions. [2021-03-26 10:09:45,764 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 178.66666666666666) internal successors, (1608), 9 states have internal predecessors, (1608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:09:45,767 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 209.0) internal successors, (2090), 10 states have internal predecessors, (2090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:09:45,767 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 209.0) internal successors, (2090), 10 states have internal predecessors, (2090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:09:45,767 INFO L185 Difference]: Start difference. First operand has 60 places, 51 transitions, 345 flow. Second operand 9 states and 1608 transitions. [2021-03-26 10:09:45,767 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 64 transitions, 530 flow [2021-03-26 10:09:45,771 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 64 transitions, 482 flow, removed 15 selfloop flow, removed 4 redundant places. [2021-03-26 10:09:45,773 INFO L241 Difference]: Finished difference. Result has 67 places, 56 transitions, 431 flow [2021-03-26 10:09:45,774 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=270, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=431, PETRI_PLACES=67, PETRI_TRANSITIONS=56} [2021-03-26 10:09:45,774 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 9 predicate places. [2021-03-26 10:09:45,774 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:09:45,774 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 67 places, 56 transitions, 431 flow [2021-03-26 10:09:45,774 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 67 places, 56 transitions, 431 flow [2021-03-26 10:09:45,775 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 67 places, 56 transitions, 431 flow [2021-03-26 10:09:45,798 INFO L129 PetriNetUnfolder]: 78/206 cut-off events. [2021-03-26 10:09:45,798 INFO L130 PetriNetUnfolder]: For 1112/1222 co-relation queries the response was YES. [2021-03-26 10:09:45,800 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1036 conditions, 206 events. 78/206 cut-off events. For 1112/1222 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 1061 event pairs, 4 based on Foata normal form. 5/189 useless extension candidates. Maximal degree in co-relation 1012. Up to 117 conditions per place. [2021-03-26 10:09:45,802 INFO L142 LiptonReduction]: Number of co-enabled transitions 880 [2021-03-26 10:09:45,818 INFO L154 LiptonReduction]: Checked pairs total: 1271 [2021-03-26 10:09:45,818 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 10:09:45,818 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 44 [2021-03-26 10:09:45,818 INFO L480 AbstractCegarLoop]: Abstraction has has 67 places, 53 transitions, 405 flow [2021-03-26 10:09:45,819 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 174.83333333333334) internal successors, (1049), 6 states have internal predecessors, (1049), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:09:45,819 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:09:45,819 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:09:45,819 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-26 10:09:45,820 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:09:45,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:09:45,820 INFO L82 PathProgramCache]: Analyzing trace with hash 1882170971, now seen corresponding path program 1 times [2021-03-26 10:09:45,820 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:09:45,821 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989760227] [2021-03-26 10:09:45,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:09:45,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:09:45,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:09:45,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:09:45,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:09:45,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:09:45,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:09:45,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:09:45,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:09:45,877 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989760227] [2021-03-26 10:09:45,877 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:09:45,877 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:09:45,877 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498952696] [2021-03-26 10:09:45,877 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:09:45,877 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:09:45,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:09:45,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:09:45,879 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 209 [2021-03-26 10:09:45,879 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 53 transitions, 405 flow. Second operand has 4 states, 4 states have (on average 186.0) internal successors, (744), 4 states have internal predecessors, (744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:09:45,879 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:09:45,879 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 209 [2021-03-26 10:09:45,879 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:09:45,919 INFO L129 PetriNetUnfolder]: 77/199 cut-off events. [2021-03-26 10:09:45,920 INFO L130 PetriNetUnfolder]: For 963/1015 co-relation queries the response was YES. [2021-03-26 10:09:45,921 INFO L84 FinitePrefix]: Finished finitePrefix Result has 953 conditions, 199 events. 77/199 cut-off events. For 963/1015 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 883 event pairs, 7 based on Foata normal form. 10/196 useless extension candidates. Maximal degree in co-relation 927. Up to 116 conditions per place. [2021-03-26 10:09:45,922 INFO L132 encePairwiseOnDemand]: 206/209 looper letters, 4 selfloop transitions, 2 changer transitions 0/46 dead transitions. [2021-03-26 10:09:45,922 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 46 transitions, 330 flow [2021-03-26 10:09:45,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 10:09:45,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 10:09:45,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 747 transitions. [2021-03-26 10:09:45,947 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8935406698564593 [2021-03-26 10:09:45,947 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 747 transitions. [2021-03-26 10:09:45,947 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 747 transitions. [2021-03-26 10:09:45,947 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:09:45,947 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 747 transitions. [2021-03-26 10:09:45,949 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 186.75) internal successors, (747), 4 states have internal predecessors, (747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:09:45,950 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 209.0) internal successors, (1045), 5 states have internal predecessors, (1045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:09:45,951 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 209.0) internal successors, (1045), 5 states have internal predecessors, (1045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:09:45,951 INFO L185 Difference]: Start difference. First operand has 67 places, 53 transitions, 405 flow. Second operand 4 states and 747 transitions. [2021-03-26 10:09:45,951 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 46 transitions, 330 flow [2021-03-26 10:09:45,954 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 46 transitions, 265 flow, removed 26 selfloop flow, removed 7 redundant places. [2021-03-26 10:09:45,955 INFO L241 Difference]: Finished difference. Result has 57 places, 45 transitions, 254 flow [2021-03-26 10:09:45,955 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=241, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=254, PETRI_PLACES=57, PETRI_TRANSITIONS=45} [2021-03-26 10:09:45,955 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, -1 predicate places. [2021-03-26 10:09:45,955 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:09:45,955 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 57 places, 45 transitions, 254 flow [2021-03-26 10:09:45,955 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 57 places, 45 transitions, 254 flow [2021-03-26 10:09:45,956 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 57 places, 45 transitions, 254 flow [2021-03-26 10:09:45,977 INFO L129 PetriNetUnfolder]: 76/196 cut-off events. [2021-03-26 10:09:45,977 INFO L130 PetriNetUnfolder]: For 331/344 co-relation queries the response was YES. [2021-03-26 10:09:45,978 INFO L84 FinitePrefix]: Finished finitePrefix Result has 676 conditions, 196 events. 76/196 cut-off events. For 331/344 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 853 event pairs, 5 based on Foata normal form. 4/191 useless extension candidates. Maximal degree in co-relation 655. Up to 81 conditions per place. [2021-03-26 10:09:45,980 INFO L142 LiptonReduction]: Number of co-enabled transitions 604 [2021-03-26 10:09:45,985 INFO L154 LiptonReduction]: Checked pairs total: 295 [2021-03-26 10:09:45,985 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:09:45,985 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 30 [2021-03-26 10:09:45,985 INFO L480 AbstractCegarLoop]: Abstraction has has 57 places, 45 transitions, 254 flow [2021-03-26 10:09:45,987 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 186.0) internal successors, (744), 4 states have internal predecessors, (744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:09:45,987 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:09:45,987 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:09:45,987 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-26 10:09:45,987 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:09:45,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:09:45,987 INFO L82 PathProgramCache]: Analyzing trace with hash -864538987, now seen corresponding path program 2 times [2021-03-26 10:09:45,987 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:09:45,987 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765604953] [2021-03-26 10:09:45,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:09:46,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:09:46,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:09:46,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:09:46,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:09:46,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:09:46,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:09:46,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:09:46,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:09:46,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:09:46,082 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-26 10:09:46,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:09:46,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:09:46,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:09:46,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:09:46,090 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765604953] [2021-03-26 10:09:46,090 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:09:46,090 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 10:09:46,090 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801863584] [2021-03-26 10:09:46,090 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 10:09:46,090 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:09:46,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 10:09:46,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 10:09:46,092 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 209 [2021-03-26 10:09:46,093 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 45 transitions, 254 flow. Second operand has 7 states, 7 states have (on average 174.85714285714286) internal successors, (1224), 7 states have internal predecessors, (1224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:09:46,093 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:09:46,093 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 209 [2021-03-26 10:09:46,093 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:09:46,192 INFO L129 PetriNetUnfolder]: 156/299 cut-off events. [2021-03-26 10:09:46,192 INFO L130 PetriNetUnfolder]: For 451/774 co-relation queries the response was YES. [2021-03-26 10:09:46,194 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1129 conditions, 299 events. 156/299 cut-off events. For 451/774 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 1299 event pairs, 0 based on Foata normal form. 58/318 useless extension candidates. Maximal degree in co-relation 1106. Up to 119 conditions per place. [2021-03-26 10:09:46,195 INFO L132 encePairwiseOnDemand]: 202/209 looper letters, 6 selfloop transitions, 18 changer transitions 5/54 dead transitions. [2021-03-26 10:09:46,195 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 54 transitions, 368 flow [2021-03-26 10:09:46,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 10:09:46,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 10:09:46,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1423 transitions. [2021-03-26 10:09:46,199 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8510765550239234 [2021-03-26 10:09:46,199 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1423 transitions. [2021-03-26 10:09:46,199 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1423 transitions. [2021-03-26 10:09:46,200 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:09:46,200 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1423 transitions. [2021-03-26 10:09:46,202 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 177.875) internal successors, (1423), 8 states have internal predecessors, (1423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:09:46,205 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 209.0) internal successors, (1881), 9 states have internal predecessors, (1881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:09:46,205 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 209.0) internal successors, (1881), 9 states have internal predecessors, (1881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:09:46,205 INFO L185 Difference]: Start difference. First operand has 57 places, 45 transitions, 254 flow. Second operand 8 states and 1423 transitions. [2021-03-26 10:09:46,205 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 54 transitions, 368 flow [2021-03-26 10:09:46,207 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 54 transitions, 338 flow, removed 13 selfloop flow, removed 2 redundant places. [2021-03-26 10:09:46,208 INFO L241 Difference]: Finished difference. Result has 65 places, 46 transitions, 292 flow [2021-03-26 10:09:46,209 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=232, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=292, PETRI_PLACES=65, PETRI_TRANSITIONS=46} [2021-03-26 10:09:46,209 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 7 predicate places. [2021-03-26 10:09:46,209 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:09:46,210 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 65 places, 46 transitions, 292 flow [2021-03-26 10:09:46,210 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 65 places, 46 transitions, 292 flow [2021-03-26 10:09:46,210 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 64 places, 46 transitions, 292 flow [2021-03-26 10:09:46,225 INFO L129 PetriNetUnfolder]: 55/151 cut-off events. [2021-03-26 10:09:46,225 INFO L130 PetriNetUnfolder]: For 297/319 co-relation queries the response was YES. [2021-03-26 10:09:46,226 INFO L84 FinitePrefix]: Finished finitePrefix Result has 601 conditions, 151 events. 55/151 cut-off events. For 297/319 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 636 event pairs, 0 based on Foata normal form. 1/143 useless extension candidates. Maximal degree in co-relation 577. Up to 63 conditions per place. [2021-03-26 10:09:46,227 INFO L142 LiptonReduction]: Number of co-enabled transitions 566 [2021-03-26 10:09:46,805 WARN L205 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 184 [2021-03-26 10:09:47,001 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2021-03-26 10:09:48,750 WARN L205 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 339 DAG size of output: 264 [2021-03-26 10:09:49,194 WARN L205 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2021-03-26 10:09:49,487 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2021-03-26 10:09:49,714 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2021-03-26 10:09:50,259 WARN L205 SmtUtils]: Spent 542.00 ms on a formula simplification that was a NOOP. DAG size: 256 [2021-03-26 10:09:50,760 WARN L205 SmtUtils]: Spent 499.00 ms on a formula simplification that was a NOOP. DAG size: 256 [2021-03-26 10:09:50,768 INFO L154 LiptonReduction]: Checked pairs total: 737 [2021-03-26 10:09:50,768 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 10:09:50,768 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4559 [2021-03-26 10:09:50,769 INFO L480 AbstractCegarLoop]: Abstraction has has 61 places, 43 transitions, 276 flow [2021-03-26 10:09:50,769 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 174.85714285714286) internal successors, (1224), 7 states have internal predecessors, (1224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:09:50,769 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:09:50,769 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:09:50,769 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-26 10:09:50,770 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:09:50,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:09:50,770 INFO L82 PathProgramCache]: Analyzing trace with hash -758553279, now seen corresponding path program 1 times [2021-03-26 10:09:50,770 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:09:50,770 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479555499] [2021-03-26 10:09:50,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:09:50,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:09:50,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:09:50,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:09:50,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:09:50,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:09:50,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:09:50,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:09:50,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:09:50,814 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479555499] [2021-03-26 10:09:50,814 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:09:50,814 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:09:50,814 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346820289] [2021-03-26 10:09:50,815 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:09:50,815 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:09:50,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:09:50,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:09:50,816 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 211 [2021-03-26 10:09:50,817 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 43 transitions, 276 flow. Second operand has 4 states, 4 states have (on average 182.0) internal successors, (728), 4 states have internal predecessors, (728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:09:50,817 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:09:50,817 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 211 [2021-03-26 10:09:50,817 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:09:50,856 INFO L129 PetriNetUnfolder]: 104/232 cut-off events. [2021-03-26 10:09:50,856 INFO L130 PetriNetUnfolder]: For 1130/1297 co-relation queries the response was YES. [2021-03-26 10:09:50,858 INFO L84 FinitePrefix]: Finished finitePrefix Result has 907 conditions, 232 events. 104/232 cut-off events. For 1130/1297 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 1084 event pairs, 0 based on Foata normal form. 13/199 useless extension candidates. Maximal degree in co-relation 881. Up to 96 conditions per place. [2021-03-26 10:09:50,859 INFO L132 encePairwiseOnDemand]: 208/211 looper letters, 3 selfloop transitions, 2 changer transitions 0/44 dead transitions. [2021-03-26 10:09:50,859 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 44 transitions, 288 flow [2021-03-26 10:09:50,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 10:09:50,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 10:09:50,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 730 transitions. [2021-03-26 10:09:50,861 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8649289099526066 [2021-03-26 10:09:50,861 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 730 transitions. [2021-03-26 10:09:50,861 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 730 transitions. [2021-03-26 10:09:50,862 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:09:50,862 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 730 transitions. [2021-03-26 10:09:50,863 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 182.5) internal successors, (730), 4 states have internal predecessors, (730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:09:50,864 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 211.0) internal successors, (1055), 5 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) [2021-03-26 10:09:50,864 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 211.0) internal successors, (1055), 5 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) [2021-03-26 10:09:50,865 INFO L185 Difference]: Start difference. First operand has 61 places, 43 transitions, 276 flow. Second operand 4 states and 730 transitions. [2021-03-26 10:09:50,865 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 44 transitions, 288 flow [2021-03-26 10:09:50,867 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 44 transitions, 227 flow, removed 15 selfloop flow, removed 8 redundant places. [2021-03-26 10:09:50,868 INFO L241 Difference]: Finished difference. Result has 58 places, 44 transitions, 228 flow [2021-03-26 10:09:50,868 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=211, PETRI_DIFFERENCE_MINUEND_FLOW=215, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=228, PETRI_PLACES=58, PETRI_TRANSITIONS=44} [2021-03-26 10:09:50,868 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 0 predicate places. [2021-03-26 10:09:50,868 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:09:50,869 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 58 places, 44 transitions, 228 flow [2021-03-26 10:09:50,869 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 58 places, 44 transitions, 228 flow [2021-03-26 10:09:50,869 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 58 places, 44 transitions, 228 flow [2021-03-26 10:09:50,888 INFO L129 PetriNetUnfolder]: 104/232 cut-off events. [2021-03-26 10:09:50,888 INFO L130 PetriNetUnfolder]: For 247/259 co-relation queries the response was YES. [2021-03-26 10:09:50,889 INFO L84 FinitePrefix]: Finished finitePrefix Result has 671 conditions, 232 events. 104/232 cut-off events. For 247/259 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 1150 event pairs, 0 based on Foata normal form. 2/195 useless extension candidates. Maximal degree in co-relation 650. Up to 80 conditions per place. [2021-03-26 10:09:50,891 INFO L142 LiptonReduction]: Number of co-enabled transitions 584 [2021-03-26 10:09:50,895 INFO L154 LiptonReduction]: Checked pairs total: 179 [2021-03-26 10:09:50,895 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:09:50,895 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 27 [2021-03-26 10:09:50,896 INFO L480 AbstractCegarLoop]: Abstraction has has 58 places, 44 transitions, 228 flow [2021-03-26 10:09:50,896 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 182.0) internal successors, (728), 4 states have internal predecessors, (728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:09:50,896 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:09:50,896 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] [2021-03-26 10:09:50,896 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-26 10:09:50,896 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:09:50,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:09:50,897 INFO L82 PathProgramCache]: Analyzing trace with hash -1665852300, now seen corresponding path program 1 times [2021-03-26 10:09:50,897 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:09:50,897 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616909448] [2021-03-26 10:09:50,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:09:50,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:09:50,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:09:50,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:09:50,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:09:50,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:09:50,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:09:50,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:09:50,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:09:50,938 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616909448] [2021-03-26 10:09:50,938 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:09:50,938 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:09:50,938 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706865491] [2021-03-26 10:09:50,939 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:09:50,939 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:09:50,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:09:50,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:09:50,940 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 211 [2021-03-26 10:09:50,940 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 44 transitions, 228 flow. Second operand has 4 states, 4 states have (on average 182.0) internal successors, (728), 4 states have internal predecessors, (728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:09:50,940 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:09:50,941 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 211 [2021-03-26 10:09:50,941 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:09:50,994 INFO L129 PetriNetUnfolder]: 210/448 cut-off events. [2021-03-26 10:09:50,994 INFO L130 PetriNetUnfolder]: For 1039/1133 co-relation queries the response was YES. [2021-03-26 10:09:50,996 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1302 conditions, 448 events. 210/448 cut-off events. For 1039/1133 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 2584 event pairs, 0 based on Foata normal form. 19/384 useless extension candidates. Maximal degree in co-relation 1279. Up to 152 conditions per place. [2021-03-26 10:09:50,997 INFO L132 encePairwiseOnDemand]: 208/211 looper letters, 3 selfloop transitions, 2 changer transitions 4/45 dead transitions. [2021-03-26 10:09:50,997 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 45 transitions, 240 flow [2021-03-26 10:09:50,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 10:09:50,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 10:09:50,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 730 transitions. [2021-03-26 10:09:50,999 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8649289099526066 [2021-03-26 10:09:50,999 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 730 transitions. [2021-03-26 10:09:50,999 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 730 transitions. [2021-03-26 10:09:51,000 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:09:51,000 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 730 transitions. [2021-03-26 10:09:51,001 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 182.5) internal successors, (730), 4 states have internal predecessors, (730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:09:51,002 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 211.0) internal successors, (1055), 5 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) [2021-03-26 10:09:51,003 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 211.0) internal successors, (1055), 5 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) [2021-03-26 10:09:51,003 INFO L185 Difference]: Start difference. First operand has 58 places, 44 transitions, 228 flow. Second operand 4 states and 730 transitions. [2021-03-26 10:09:51,003 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 45 transitions, 240 flow [2021-03-26 10:09:51,008 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 45 transitions, 239 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 10:09:51,009 INFO L241 Difference]: Finished difference. Result has 62 places, 41 transitions, 217 flow [2021-03-26 10:09:51,009 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=211, PETRI_DIFFERENCE_MINUEND_FLOW=227, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=217, PETRI_PLACES=62, PETRI_TRANSITIONS=41} [2021-03-26 10:09:51,009 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 4 predicate places. [2021-03-26 10:09:51,009 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:09:51,010 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 41 transitions, 217 flow [2021-03-26 10:09:51,010 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 62 places, 41 transitions, 217 flow [2021-03-26 10:09:51,010 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 60 places, 41 transitions, 217 flow [2021-03-26 10:09:51,026 INFO L129 PetriNetUnfolder]: 78/196 cut-off events. [2021-03-26 10:09:51,027 INFO L130 PetriNetUnfolder]: For 352/370 co-relation queries the response was YES. [2021-03-26 10:09:51,028 INFO L84 FinitePrefix]: Finished finitePrefix Result has 582 conditions, 196 events. 78/196 cut-off events. For 352/370 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 941 event pairs, 0 based on Foata normal form. 6/176 useless extension candidates. Maximal degree in co-relation 559. Up to 70 conditions per place. [2021-03-26 10:09:51,029 INFO L142 LiptonReduction]: Number of co-enabled transitions 442 [2021-03-26 10:09:51,115 INFO L154 LiptonReduction]: Checked pairs total: 141 [2021-03-26 10:09:51,115 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 10:09:51,116 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 107 [2021-03-26 10:09:51,116 INFO L480 AbstractCegarLoop]: Abstraction has has 58 places, 39 transitions, 215 flow [2021-03-26 10:09:51,116 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 182.0) internal successors, (728), 4 states have internal predecessors, (728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:09:51,116 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:09:51,117 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] [2021-03-26 10:09:51,117 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-26 10:09:51,117 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:09:51,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:09:51,117 INFO L82 PathProgramCache]: Analyzing trace with hash 2107904436, now seen corresponding path program 2 times [2021-03-26 10:09:51,117 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:09:51,117 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181939413] [2021-03-26 10:09:51,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:09:51,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-26 10:09:51,151 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-26 10:09:51,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-26 10:09:51,188 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-26 10:09:51,240 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-26 10:09:51,240 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-26 10:09:51,240 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-26 10:09:51,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.03 10:09:51 BasicIcfg [2021-03-26 10:09:51,347 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-26 10:09:51,348 INFO L168 Benchmark]: Toolchain (without parser) took 22808.44 ms. Allocated memory was 255.9 MB in the beginning and 752.9 MB in the end (delta: 497.0 MB). Free memory was 233.3 MB in the beginning and 397.2 MB in the end (delta: -163.9 MB). Peak memory consumption was 333.0 MB. Max. memory is 16.0 GB. [2021-03-26 10:09:51,348 INFO L168 Benchmark]: CDTParser took 0.45 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 10:09:51,348 INFO L168 Benchmark]: CACSL2BoogieTranslator took 606.62 ms. Allocated memory was 255.9 MB in the beginning and 350.2 MB in the end (delta: 94.4 MB). Free memory was 233.3 MB in the beginning and 309.3 MB in the end (delta: -76.0 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.0 GB. [2021-03-26 10:09:51,348 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.10 ms. Allocated memory is still 350.2 MB. Free memory was 309.3 MB in the beginning and 306.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-26 10:09:51,348 INFO L168 Benchmark]: Boogie Preprocessor took 51.23 ms. Allocated memory is still 350.2 MB. Free memory was 306.5 MB in the beginning and 304.3 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-26 10:09:51,349 INFO L168 Benchmark]: RCFGBuilder took 1831.24 ms. Allocated memory is still 350.2 MB. Free memory was 304.3 MB in the beginning and 255.4 MB in the end (delta: 48.9 MB). Peak memory consumption was 52.0 MB. Max. memory is 16.0 GB. [2021-03-26 10:09:51,349 INFO L168 Benchmark]: TraceAbstraction took 20230.00 ms. Allocated memory was 350.2 MB in the beginning and 752.9 MB in the end (delta: 402.7 MB). Free memory was 255.4 MB in the beginning and 397.2 MB in the end (delta: -141.8 MB). Peak memory consumption was 260.9 MB. Max. memory is 16.0 GB. [2021-03-26 10:09:51,350 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 606.62 ms. Allocated memory was 255.9 MB in the beginning and 350.2 MB in the end (delta: 94.4 MB). Free memory was 233.3 MB in the beginning and 309.3 MB in the end (delta: -76.0 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 83.10 ms. Allocated memory is still 350.2 MB. Free memory was 309.3 MB in the beginning and 306.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 51.23 ms. Allocated memory is still 350.2 MB. Free memory was 306.5 MB in the beginning and 304.3 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1831.24 ms. Allocated memory is still 350.2 MB. Free memory was 304.3 MB in the beginning and 255.4 MB in the end (delta: 48.9 MB). Peak memory consumption was 52.0 MB. Max. memory is 16.0 GB. * TraceAbstraction took 20230.00 ms. Allocated memory was 350.2 MB in the beginning and 752.9 MB in the end (delta: 402.7 MB). Free memory was 255.4 MB in the beginning and 397.2 MB in the end (delta: -141.8 MB). Peak memory consumption was 260.9 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8259.4ms, 125 PlacesBefore, 58 PlacesAfterwards, 114 TransitionsBefore, 46 TransitionsAfterwards, 2598 CoEnabledTransitionPairs, 5 FixpointIterations, 31 TrivialSequentialCompositions, 41 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 1 ChoiceCompositions, 78 TotalNumberOfCompositions, 4482 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2378, positive: 2278, positive conditional: 2278, positive unconditional: 0, negative: 100, negative conditional: 100, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2378, positive: 2278, positive conditional: 0, positive unconditional: 2278, negative: 100, negative conditional: 0, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2378, positive: 2278, positive conditional: 0, positive unconditional: 2278, negative: 100, negative conditional: 0, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1754, positive: 1709, positive conditional: 0, positive unconditional: 1709, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1754, positive: 1704, positive conditional: 0, positive unconditional: 1704, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 50, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 659, positive: 20, positive conditional: 0, positive unconditional: 20, negative: 639, negative conditional: 0, negative unconditional: 639, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2378, positive: 569, positive conditional: 0, positive unconditional: 569, negative: 55, negative conditional: 0, negative unconditional: 55, unknown: 1754, unknown conditional: 0, unknown unconditional: 1754] , Statistics on independence cache: Total cache size (in pairs): 1754, Positive cache size: 1709, Positive conditional cache size: 0, Positive unconditional cache size: 1709, Negative cache size: 45, Negative conditional cache size: 0, Negative unconditional cache size: 45, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2699.8ms, 54 PlacesBefore, 39 PlacesAfterwards, 39 TransitionsBefore, 28 TransitionsAfterwards, 392 CoEnabledTransitionPairs, 4 FixpointIterations, 9 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 11 TotalNumberOfCompositions, 1672 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 556, positive: 460, positive conditional: 460, positive unconditional: 0, negative: 96, negative conditional: 96, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 556, positive: 460, positive conditional: 29, positive unconditional: 431, negative: 96, negative conditional: 2, negative unconditional: 94, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 556, positive: 460, positive conditional: 29, positive unconditional: 431, negative: 96, negative conditional: 2, negative unconditional: 94, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 104, positive: 93, positive conditional: 11, positive unconditional: 82, negative: 11, negative conditional: 1, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 104, positive: 89, positive conditional: 0, positive unconditional: 89, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 15, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 11, negative conditional: 1, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 203, positive: 47, positive conditional: 0, positive unconditional: 47, negative: 156, negative conditional: 15, negative unconditional: 140, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 556, positive: 367, positive conditional: 18, positive unconditional: 349, negative: 85, negative conditional: 1, negative unconditional: 84, unknown: 104, unknown conditional: 12, unknown unconditional: 92] , Statistics on independence cache: Total cache size (in pairs): 1858, Positive cache size: 1802, Positive conditional cache size: 11, Positive unconditional cache size: 1791, Negative cache size: 56, Negative conditional cache size: 1, Negative unconditional cache size: 55, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1337.4ms, 42 PlacesBefore, 40 PlacesAfterwards, 34 TransitionsBefore, 32 TransitionsAfterwards, 428 CoEnabledTransitionPairs, 3 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 1074 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 356, positive: 305, positive conditional: 305, positive unconditional: 0, negative: 51, negative conditional: 51, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 356, positive: 305, positive conditional: 51, positive unconditional: 254, negative: 51, negative conditional: 0, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 356, positive: 305, positive conditional: 51, positive unconditional: 254, negative: 51, negative conditional: 0, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 28, positive: 26, positive conditional: 10, positive unconditional: 16, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 28, positive: 26, positive conditional: 0, positive unconditional: 26, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 58, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 58, negative conditional: 0, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 356, positive: 279, positive conditional: 41, positive unconditional: 238, negative: 49, negative conditional: 0, negative unconditional: 49, unknown: 28, unknown conditional: 10, unknown unconditional: 18] , Statistics on independence cache: Total cache size (in pairs): 1886, Positive cache size: 1828, Positive conditional cache size: 21, Positive unconditional cache size: 1807, Negative cache size: 58, Negative conditional cache size: 1, Negative unconditional cache size: 57, Eliminated conditions: 6 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 46.2ms, 44 PlacesBefore, 44 PlacesAfterwards, 33 TransitionsBefore, 33 TransitionsAfterwards, 432 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 430 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 178, positive: 157, positive conditional: 157, positive unconditional: 0, negative: 21, negative conditional: 21, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 178, positive: 157, positive conditional: 15, positive unconditional: 142, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 178, positive: 157, positive conditional: 15, positive unconditional: 142, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 17, positive: 14, positive conditional: 2, positive unconditional: 12, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 17, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 28, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 178, positive: 143, positive conditional: 13, positive unconditional: 130, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 17, unknown conditional: 2, unknown unconditional: 15] , Statistics on independence cache: Total cache size (in pairs): 1903, Positive cache size: 1842, Positive conditional cache size: 23, Positive unconditional cache size: 1819, Negative cache size: 61, Negative conditional cache size: 1, Negative unconditional cache size: 60, Eliminated conditions: 18 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 75.6ms, 45 PlacesBefore, 45 PlacesAfterwards, 33 TransitionsBefore, 33 TransitionsAfterwards, 432 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 396 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 129, positive: 110, positive conditional: 110, positive unconditional: 0, negative: 19, negative conditional: 19, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 129, positive: 110, positive conditional: 12, positive unconditional: 98, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 129, positive: 110, positive conditional: 12, positive unconditional: 98, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 61, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 61, negative conditional: 0, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 129, positive: 110, positive conditional: 12, positive unconditional: 98, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 1905, Positive cache size: 1842, Positive conditional cache size: 23, Positive unconditional cache size: 1819, Negative cache size: 63, Negative conditional cache size: 1, Negative unconditional cache size: 62, Eliminated conditions: 15 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 56.2ms, 47 PlacesBefore, 47 PlacesAfterwards, 35 TransitionsBefore, 35 TransitionsAfterwards, 464 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 399 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 153, positive: 135, positive conditional: 135, positive unconditional: 0, negative: 18, negative conditional: 18, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 153, positive: 135, positive conditional: 20, positive unconditional: 115, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 153, positive: 135, positive conditional: 20, positive unconditional: 115, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 42, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 153, positive: 130, positive conditional: 20, positive unconditional: 110, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , Statistics on independence cache: Total cache size (in pairs): 1912, Positive cache size: 1847, Positive conditional cache size: 23, Positive unconditional cache size: 1824, Negative cache size: 65, Negative conditional cache size: 1, Negative unconditional cache size: 64, Eliminated conditions: 16 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 53.8ms, 52 PlacesBefore, 52 PlacesAfterwards, 43 TransitionsBefore, 43 TransitionsAfterwards, 650 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 421 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 174, positive: 160, positive conditional: 160, positive unconditional: 0, negative: 14, negative conditional: 14, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 174, positive: 160, positive conditional: 60, positive unconditional: 100, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 174, positive: 160, positive conditional: 60, positive unconditional: 100, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10, positive: 10, positive conditional: 6, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 174, positive: 150, positive conditional: 54, positive unconditional: 96, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 10, unknown conditional: 6, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 1922, Positive cache size: 1857, Positive conditional cache size: 29, Positive unconditional cache size: 1828, Negative cache size: 65, Negative conditional cache size: 1, Negative unconditional cache size: 64, Eliminated conditions: 8 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 71.5ms, 60 PlacesBefore, 60 PlacesAfterwards, 51 TransitionsBefore, 51 TransitionsAfterwards, 808 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 521 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 198, positive: 183, positive conditional: 183, positive unconditional: 0, negative: 15, negative conditional: 15, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 198, positive: 183, positive conditional: 96, positive unconditional: 87, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 198, positive: 183, positive conditional: 96, positive unconditional: 87, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 22, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 198, positive: 178, positive conditional: 91, positive unconditional: 87, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 6, unknown conditional: 5, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 1928, Positive cache size: 1862, Positive conditional cache size: 34, Positive unconditional cache size: 1828, Negative cache size: 66, Negative conditional cache size: 1, Negative unconditional cache size: 65, Eliminated conditions: 3 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 43.4ms, 67 PlacesBefore, 67 PlacesAfterwards, 56 TransitionsBefore, 53 TransitionsAfterwards, 880 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 1271 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 473, positive: 439, positive conditional: 439, positive unconditional: 0, negative: 34, negative conditional: 34, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 473, positive: 439, positive conditional: 273, positive unconditional: 166, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 473, positive: 439, positive conditional: 273, positive unconditional: 166, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 9, positive: 9, positive conditional: 9, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 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] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 473, positive: 430, positive conditional: 264, positive unconditional: 166, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 9, unknown conditional: 9, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1937, Positive cache size: 1871, Positive conditional cache size: 43, Positive unconditional cache size: 1828, Negative cache size: 66, Negative conditional cache size: 1, Negative unconditional cache size: 65, Eliminated conditions: 6 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 29.4ms, 57 PlacesBefore, 57 PlacesAfterwards, 45 TransitionsBefore, 45 TransitionsAfterwards, 604 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 295 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 159, positive: 149, positive conditional: 149, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 159, positive: 149, positive conditional: 71, positive unconditional: 78, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 159, positive: 149, positive conditional: 71, positive unconditional: 78, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 159, positive: 141, positive conditional: 63, positive unconditional: 78, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 8, unknown conditional: 8, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1945, Positive cache size: 1879, Positive conditional cache size: 51, Positive unconditional cache size: 1828, Negative cache size: 66, Negative conditional cache size: 1, Negative unconditional cache size: 65, Eliminated conditions: 6 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4558.2ms, 65 PlacesBefore, 61 PlacesAfterwards, 46 TransitionsBefore, 43 TransitionsAfterwards, 566 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 737 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 415, positive: 388, positive conditional: 388, positive unconditional: 0, negative: 27, negative conditional: 27, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 415, positive: 388, positive conditional: 205, positive unconditional: 183, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 415, positive: 388, positive conditional: 205, positive unconditional: 183, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 415, positive: 386, positive conditional: 203, positive unconditional: 183, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1947, Positive cache size: 1881, Positive conditional cache size: 53, Positive unconditional cache size: 1828, Negative cache size: 66, Negative conditional cache size: 1, Negative unconditional cache size: 65, Eliminated conditions: 15 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 26.2ms, 58 PlacesBefore, 58 PlacesAfterwards, 44 TransitionsBefore, 44 TransitionsAfterwards, 584 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 179 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 107, positive: 100, positive conditional: 100, positive unconditional: 0, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 107, positive: 100, positive conditional: 53, positive unconditional: 47, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 107, positive: 100, positive conditional: 53, positive unconditional: 47, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 107, positive: 98, positive conditional: 51, positive unconditional: 47, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1949, Positive cache size: 1883, Positive conditional cache size: 55, Positive unconditional cache size: 1828, Negative cache size: 66, Negative conditional cache size: 1, Negative unconditional cache size: 65, Eliminated conditions: 4 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 105.7ms, 62 PlacesBefore, 58 PlacesAfterwards, 41 TransitionsBefore, 39 TransitionsAfterwards, 442 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 141 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 109, positive: 106, positive conditional: 106, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 109, positive: 106, positive conditional: 62, positive unconditional: 44, negative: 3, negative conditional: 1, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 109, positive: 106, positive conditional: 62, positive unconditional: 44, negative: 3, negative conditional: 1, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8, positive: 6, positive conditional: 3, positive unconditional: 3, negative: 2, negative conditional: 1, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 2, negative conditional: 1, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 13, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 8, negative conditional: 5, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 109, positive: 100, positive conditional: 59, positive unconditional: 41, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 8, unknown conditional: 4, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 1957, Positive cache size: 1889, Positive conditional cache size: 58, Positive unconditional cache size: 1831, Negative cache size: 68, Negative conditional cache size: 2, Negative unconditional cache size: 66, Eliminated conditions: 3 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p0_EAX = 0; [L714] 0 int __unbuffered_p1_EAX = 0; [L716] 0 int __unbuffered_p3_EAX = 0; [L718] 0 int __unbuffered_p3_EBX = 0; [L720] 0 int a = 0; [L722] 0 int b = 0; [L723] 0 _Bool main$tmp_guard0; [L724] 0 _Bool main$tmp_guard1; [L726] 0 int x = 0; [L728] 0 int y = 0; [L730] 0 int z = 0; [L731] 0 _Bool z$flush_delayed; [L732] 0 int z$mem_tmp; [L733] 0 _Bool z$r_buff0_thd0; [L734] 0 _Bool z$r_buff0_thd1; [L735] 0 _Bool z$r_buff0_thd2; [L736] 0 _Bool z$r_buff0_thd3; [L737] 0 _Bool z$r_buff0_thd4; [L738] 0 _Bool z$r_buff1_thd0; [L739] 0 _Bool z$r_buff1_thd1; [L740] 0 _Bool z$r_buff1_thd2; [L741] 0 _Bool z$r_buff1_thd3; [L742] 0 _Bool z$r_buff1_thd4; [L743] 0 _Bool z$read_delayed; [L744] 0 int *z$read_delayed_var; [L745] 0 int z$w_buff0; [L746] 0 _Bool z$w_buff0_used; [L747] 0 int z$w_buff1; [L748] 0 _Bool z$w_buff1_used; [L749] 0 _Bool weak$$choice0; [L750] 0 _Bool weak$$choice2; [L848] 0 pthread_t t1141; [L849] FCALL, FORK 0 pthread_create(&t1141, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_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] [L850] 0 pthread_t t1142; [L851] FCALL, FORK 0 pthread_create(&t1142, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_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] [L852] 0 pthread_t t1143; [L853] FCALL, FORK 0 pthread_create(&t1143, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_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] [L854] 0 pthread_t t1144; [L855] FCALL, FORK 0 pthread_create(&t1144, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_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] [L804] 4 z$w_buff1 = z$w_buff0 [L805] 4 z$w_buff0 = 2 [L806] 4 z$w_buff1_used = z$w_buff0_used [L807] 4 z$w_buff0_used = (_Bool)1 [L18] COND FALSE 4 !(!expression) [L809] 4 z$r_buff1_thd0 = z$r_buff0_thd0 [L810] 4 z$r_buff1_thd1 = z$r_buff0_thd1 [L811] 4 z$r_buff1_thd2 = z$r_buff0_thd2 [L812] 4 z$r_buff1_thd3 = z$r_buff0_thd3 [L813] 4 z$r_buff1_thd4 = z$r_buff0_thd4 [L814] 4 z$r_buff0_thd4 = (_Bool)1 [L817] 4 a = 1 [L820] 4 __unbuffered_p3_EAX = a VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$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$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L823] 4 __unbuffered_p3_EBX = b VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_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$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L754] 1 b = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_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=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$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L757] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_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=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$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L762] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L764] 1 return 0; [L769] 2 x = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_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=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$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L772] 2 __unbuffered_p1_EAX = y VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_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=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$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L777] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L779] 2 return 0; [L784] 3 y = 1 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_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=1, 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$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L787] 3 z = 1 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_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=1, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L790] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L790] EXPR 3 z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z [L790] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L790] 3 z = z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L791] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L791] 3 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_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L792] 3 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L793] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L793] 3 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_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L794] 3 z$r_buff1_thd3 = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L797] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L799] 3 return 0; [L826] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L826] 4 z = z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L827] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L827] 4 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L828] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L828] 4 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L829] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L829] 4 z$r_buff0_thd4 = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L830] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L830] 4 z$r_buff1_thd4 = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L833] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L835] 4 return 0; [L857] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L3] COND FALSE 0 !(!cond) [L861] 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) [L861] EXPR 0 z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z [L861] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L861] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L862] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L862] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L863] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L863] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L864] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L864] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L865] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L865] 0 z$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 [L868] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L869] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L870] 0 z$flush_delayed = weak$$choice2 [L871] 0 z$mem_tmp = z [L872] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff1) [L872] 0 z = !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff1) [L873] EXPR 0 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0)) [L873] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0) [L873] EXPR 0 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0)) [L873] 0 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0)) [L874] EXPR 0 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1)) [L874] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1) [L874] EXPR 0 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1)) [L874] 0 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1)) [L875] EXPR 0 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used)) [L875] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used) [L875] EXPR 0 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used)) [L875] 0 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used)) [L876] EXPR 0 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L876] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L876] EXPR 0 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L876] 0 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L877] EXPR 0 weak$$choice2 ? z$r_buff0_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0)) [L877] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0) [L877] EXPR 0 weak$$choice2 ? z$r_buff0_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0)) [L877] 0 z$r_buff0_thd0 = weak$$choice2 ? z$r_buff0_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0)) [L878] EXPR 0 weak$$choice2 ? z$r_buff1_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L878] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L878] EXPR 0 weak$$choice2 ? z$r_buff1_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L878] 0 z$r_buff1_thd0 = weak$$choice2 ? z$r_buff1_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L879] 0 main$tmp_guard1 = !(z == 2 && __unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) [L880] EXPR 0 z$flush_delayed ? z$mem_tmp : z [L880] 0 z = z$flush_delayed ? z$mem_tmp : z [L881] 0 z$flush_delayed = (_Bool)0 [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=0, x=1, y=1, z=2, z$flush_delayed=0, z$mem_tmp=2, 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$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 117 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 4.6ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 19996.1ms, OverallIterations: 13, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 1083.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 8348.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 46 SDtfs, 42 SDslu, 29 SDs, 0 SdLazy, 264 SolverSat, 81 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 273.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 202.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=431occurred in iteration=8, InterpolantAutomatonStates: 59, 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: 39.6ms SsaConstructionTime, 459.5ms SatisfiabilityAnalysisTime, 663.4ms InterpolantComputationTime, 244 NumberOfCodeBlocks, 244 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 209 ConstructedInterpolants, 0 QuantifiedInterpolants, 770 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...