/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/safe023_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-26 10:37:49,322 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-26 10:37:49,325 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-26 10:37:49,367 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-26 10:37:49,367 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-26 10:37:49,369 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-26 10:37:49,372 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-26 10:37:49,377 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-26 10:37:49,379 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-26 10:37:49,384 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-26 10:37:49,384 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-26 10:37:49,385 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-26 10:37:49,386 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-26 10:37:49,388 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-26 10:37:49,389 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-26 10:37:49,393 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-26 10:37:49,397 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-26 10:37:49,398 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-26 10:37:49,399 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-26 10:37:49,400 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-26 10:37:49,401 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-26 10:37:49,402 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-26 10:37:49,402 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-26 10:37:49,403 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-26 10:37:49,405 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-26 10:37:49,411 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-26 10:37:49,412 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-26 10:37:49,412 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-26 10:37:49,413 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 10:37:49,430 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-26 10:37:49,431 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-26 10:37:49,431 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-26 10:37:49,432 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-26 10:37:49,432 INFO L138 SettingsManager]: * Use SBE=true [2021-03-26 10:37:49,432 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-26 10:37:49,432 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-26 10:37:49,432 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-26 10:37:49,432 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-26 10:37:49,432 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-26 10:37:49,433 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-26 10:37:49,433 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-26 10:37:49,433 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-26 10:37:49,433 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-26 10:37:49,433 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-26 10:37:49,433 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-26 10:37:49,433 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-26 10:37:49,434 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-26 10:37:49,434 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-26 10:37:49,434 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-26 10:37:49,434 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-26 10:37:49,434 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 10:37:49,434 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-26 10:37:49,435 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-26 10:37:49,435 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-26 10:37:49,435 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-26 10:37:49,435 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-26 10:37:49,435 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES_DISJUNCTIVE [2021-03-26 10:37:49,435 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-26 10:37:49,435 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-26 10:37:49,436 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-26 10:37:49,693 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-26 10:37:49,710 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-26 10:37:49,712 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-26 10:37:49,713 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-26 10:37:49,714 INFO L275 PluginConnector]: CDTParser initialized [2021-03-26 10:37:49,714 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe023_rmo.opt.i [2021-03-26 10:37:49,776 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8fae3b3c/77ef950a8fc148748ea81f072d928325/FLAG94d9526e6 [2021-03-26 10:37:50,305 INFO L306 CDTParser]: Found 1 translation units. [2021-03-26 10:37:50,306 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe023_rmo.opt.i [2021-03-26 10:37:50,323 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8fae3b3c/77ef950a8fc148748ea81f072d928325/FLAG94d9526e6 [2021-03-26 10:37:50,804 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8fae3b3c/77ef950a8fc148748ea81f072d928325 [2021-03-26 10:37:50,809 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-26 10:37:50,811 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-26 10:37:50,820 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-26 10:37:50,820 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-26 10:37:50,823 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-26 10:37:50,824 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 10:37:50" (1/1) ... [2021-03-26 10:37:50,825 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cc802d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:37:50, skipping insertion in model container [2021-03-26 10:37:50,825 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 10:37:50" (1/1) ... [2021-03-26 10:37:50,830 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-26 10:37:50,873 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-26 10:37:51,033 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/safe023_rmo.opt.i[992,1005] [2021-03-26 10:37:51,262 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 10:37:51,276 INFO L203 MainTranslator]: Completed pre-run [2021-03-26 10:37:51,288 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/safe023_rmo.opt.i[992,1005] [2021-03-26 10:37:51,341 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 10:37:51,399 INFO L208 MainTranslator]: Completed translation [2021-03-26 10:37:51,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:37:51 WrapperNode [2021-03-26 10:37:51,400 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-26 10:37:51,401 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-26 10:37:51,401 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-26 10:37:51,401 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-26 10:37:51,407 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:37:51" (1/1) ... [2021-03-26 10:37:51,424 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:37:51" (1/1) ... [2021-03-26 10:37:51,449 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-26 10:37:51,450 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-26 10:37:51,450 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-26 10:37:51,450 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-26 10:37:51,457 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:37:51" (1/1) ... [2021-03-26 10:37:51,457 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:37:51" (1/1) ... [2021-03-26 10:37:51,461 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:37:51" (1/1) ... [2021-03-26 10:37:51,462 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:37:51" (1/1) ... [2021-03-26 10:37:51,473 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:37:51" (1/1) ... [2021-03-26 10:37:51,478 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:37:51" (1/1) ... [2021-03-26 10:37:51,482 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:37:51" (1/1) ... [2021-03-26 10:37:51,488 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-26 10:37:51,489 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-26 10:37:51,489 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-26 10:37:51,489 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-26 10:37:51,490 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:37:51" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 10:37:51,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-26 10:37:51,564 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-26 10:37:51,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-26 10:37:51,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-26 10:37:51,565 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-26 10:37:51,565 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-26 10:37:51,565 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-26 10:37:51,565 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-26 10:37:51,565 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-26 10:37:51,565 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-26 10:37:51,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-26 10:37:51,566 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-26 10:37:51,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-26 10:37:51,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-26 10:37:51,567 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 10:37:54,659 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-26 10:37:54,659 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-26 10:37:54,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 10:37:54 BoogieIcfgContainer [2021-03-26 10:37:54,661 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-26 10:37:54,662 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-26 10:37:54,662 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-26 10:37:54,665 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-26 10:37:54,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.03 10:37:50" (1/3) ... [2021-03-26 10:37:54,665 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20d45d21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 10:37:54, skipping insertion in model container [2021-03-26 10:37:54,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:37:51" (2/3) ... [2021-03-26 10:37:54,666 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20d45d21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 10:37:54, skipping insertion in model container [2021-03-26 10:37:54,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 10:37:54" (3/3) ... [2021-03-26 10:37:54,667 INFO L111 eAbstractionObserver]: Analyzing ICFG safe023_rmo.opt.i [2021-03-26 10:37:54,673 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-26 10:37:54,676 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-26 10:37:54,677 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-26 10:37:54,725 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,725 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,725 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,726 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,726 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,726 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,726 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,726 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,727 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,727 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,727 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,727 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,727 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,727 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,727 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,728 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,728 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,728 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,728 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,728 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,728 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,728 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,729 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,729 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,730 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,730 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,730 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,730 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,730 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,730 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,730 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,730 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,730 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,731 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,731 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,731 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,731 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,732 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,732 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,732 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,732 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,733 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,733 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,733 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,733 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,733 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,733 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,733 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,733 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,733 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,733 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,733 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,734 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,734 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,734 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,734 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,734 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,734 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,734 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,734 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,736 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,736 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,736 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,736 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,737 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,737 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,737 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,737 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,737 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,737 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,737 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,738 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,738 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,738 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,738 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,738 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,739 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,739 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,739 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,739 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,739 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,739 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,740 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,740 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,740 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,740 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,740 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,740 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,740 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,740 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,741 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,741 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,741 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,741 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,741 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,741 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,741 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,742 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,745 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,747 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,747 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,747 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,747 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,753 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,753 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,753 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,753 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,753 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,754 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,754 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,754 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,754 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,754 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,754 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,754 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,755 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,755 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,755 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,755 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,755 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,755 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,755 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,756 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,756 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,756 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,756 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,756 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,756 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,756 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,756 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,757 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,757 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,757 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,757 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,757 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,757 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,757 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,757 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,757 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,758 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,758 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,758 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,758 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,758 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,758 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,758 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,759 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,759 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,759 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,759 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,759 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,759 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,759 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,759 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,759 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,760 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,760 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,760 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,760 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,760 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,760 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,760 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,760 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,760 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,761 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,761 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,761 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,762 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,763 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,763 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,763 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,763 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,763 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,763 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,763 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,763 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,763 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,763 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,763 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,763 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,764 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,764 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,764 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,764 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,764 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,764 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,764 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,764 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,764 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,764 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,764 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,764 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,765 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,765 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,765 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,765 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,766 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,766 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,766 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,767 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,767 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,767 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,767 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,767 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,767 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,767 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,767 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,767 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,767 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,767 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,768 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,768 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,768 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,768 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,768 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,768 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,768 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,768 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,768 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,777 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,777 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,778 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,778 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,778 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,778 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,778 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,778 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,779 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,779 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,779 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,779 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,779 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,779 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,779 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,784 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,784 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,784 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite71| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,784 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,784 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite74| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,785 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite73| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,785 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,785 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,785 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,785 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite71| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,785 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,785 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite74| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,785 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite73| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,785 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,786 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,786 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,786 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,786 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,789 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,789 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,789 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,789 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,789 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,790 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,790 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,790 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,790 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,790 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,790 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,790 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,790 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,790 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,790 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,790 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,790 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,791 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,791 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,791 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,791 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,791 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,791 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,791 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,791 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,791 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,791 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,792 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,792 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,792 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,792 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,792 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,792 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,792 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,792 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,792 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,792 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,792 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,793 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,794 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,794 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,795 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,795 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,795 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,795 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,795 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,795 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,795 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,795 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,795 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,795 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,796 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,797 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,797 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,797 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,797 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,797 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,797 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,797 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,797 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,797 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,797 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,798 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,798 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,798 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,798 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,798 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,798 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,798 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,798 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite73| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,798 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,798 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,798 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,798 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,799 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite71| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,799 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,799 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,799 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,799 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,799 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,799 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,799 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,799 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,799 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite74| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:37:54,800 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-26 10:37:54,815 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-03-26 10:37:54,843 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-26 10:37:54,843 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-26 10:37:54,843 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-26 10:37:54,843 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-26 10:37:54,843 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-26 10:37:54,843 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-26 10:37:54,843 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-26 10:37:54,843 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-26 10:37:54,856 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 107 places, 99 transitions, 213 flow [2021-03-26 10:37:54,899 INFO L129 PetriNetUnfolder]: 2/96 cut-off events. [2021-03-26 10:37:54,899 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:37:54,911 INFO L84 FinitePrefix]: Finished finitePrefix Result has 106 conditions, 96 events. 2/96 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 70 event pairs, 0 based on Foata normal form. 0/92 useless extension candidates. Maximal degree in co-relation 62. Up to 2 conditions per place. [2021-03-26 10:37:54,911 INFO L82 GeneralOperation]: Start removeDead. Operand has 107 places, 99 transitions, 213 flow [2021-03-26 10:37:54,916 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 104 places, 96 transitions, 201 flow [2021-03-26 10:37:54,918 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:37:54,930 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 104 places, 96 transitions, 201 flow [2021-03-26 10:37:54,933 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 104 places, 96 transitions, 201 flow [2021-03-26 10:37:54,937 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 104 places, 96 transitions, 201 flow [2021-03-26 10:37:54,971 INFO L129 PetriNetUnfolder]: 2/96 cut-off events. [2021-03-26 10:37:54,971 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:37:54,974 INFO L84 FinitePrefix]: Finished finitePrefix Result has 106 conditions, 96 events. 2/96 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 79 event pairs, 0 based on Foata normal form. 0/92 useless extension candidates. Maximal degree in co-relation 62. Up to 2 conditions per place. [2021-03-26 10:37:54,978 INFO L142 LiptonReduction]: Number of co-enabled transitions 1786 [2021-03-26 10:37:55,974 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-26 10:37:56,380 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 81 [2021-03-26 10:37:56,484 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-03-26 10:37:58,778 WARN L205 SmtUtils]: Spent 866.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 187 [2021-03-26 10:37:59,084 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2021-03-26 10:38:00,395 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 312 DAG size of output: 268 [2021-03-26 10:38:01,016 WARN L205 SmtUtils]: Spent 619.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2021-03-26 10:38:01,438 INFO L154 LiptonReduction]: Checked pairs total: 3300 [2021-03-26 10:38:01,438 INFO L156 LiptonReduction]: Total number of compositions: 62 [2021-03-26 10:38:01,440 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6523 [2021-03-26 10:38:01,449 INFO L129 PetriNetUnfolder]: 0/15 cut-off events. [2021-03-26 10:38:01,449 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:38:01,449 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:38:01,450 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:38:01,450 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:38:01,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:38:01,457 INFO L82 PathProgramCache]: Analyzing trace with hash -1498083627, now seen corresponding path program 1 times [2021-03-26 10:38:01,465 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:38:01,465 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758467839] [2021-03-26 10:38:01,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:38:01,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:38:01,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:38:01,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:38:01,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:38:01,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:38:01,660 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 10:38:01,660 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758467839] [2021-03-26 10:38:01,661 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:38:01,661 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 10:38:01,661 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916824980] [2021-03-26 10:38:01,668 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 10:38:01,668 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:38:01,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 10:38:01,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 10:38:01,682 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 161 [2021-03-26 10:38:01,686 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 40 transitions, 89 flow. Second operand has 3 states, 3 states have (on average 137.66666666666666) internal successors, (413), 3 states have internal predecessors, (413), 0 states have call successors, (0), 0 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 10:38:01,686 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:38:01,686 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 161 [2021-03-26 10:38:01,687 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:38:01,897 INFO L129 PetriNetUnfolder]: 190/443 cut-off events. [2021-03-26 10:38:01,897 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:38:01,900 INFO L84 FinitePrefix]: Finished finitePrefix Result has 752 conditions, 443 events. 190/443 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 2572 event pairs, 40 based on Foata normal form. 32/457 useless extension candidates. Maximal degree in co-relation 733. Up to 223 conditions per place. [2021-03-26 10:38:01,905 INFO L132 encePairwiseOnDemand]: 157/161 looper letters, 15 selfloop transitions, 2 changer transitions 0/44 dead transitions. [2021-03-26 10:38:01,905 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 44 transitions, 131 flow [2021-03-26 10:38:01,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 10:38:01,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 10:38:01,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 431 transitions. [2021-03-26 10:38:01,924 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8923395445134575 [2021-03-26 10:38:01,925 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 431 transitions. [2021-03-26 10:38:01,925 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 431 transitions. [2021-03-26 10:38:01,928 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:38:01,930 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 431 transitions. [2021-03-26 10:38:01,934 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 143.66666666666666) internal successors, (431), 3 states have internal predecessors, (431), 0 states have call successors, (0), 0 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 10:38:01,942 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 0 states have call successors, (0), 0 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 10:38:01,943 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 0 states have call successors, (0), 0 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 10:38:01,944 INFO L185 Difference]: Start difference. First operand has 49 places, 40 transitions, 89 flow. Second operand 3 states and 431 transitions. [2021-03-26 10:38:01,945 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 44 transitions, 131 flow [2021-03-26 10:38:01,947 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 44 transitions, 128 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-26 10:38:01,949 INFO L241 Difference]: Finished difference. Result has 46 places, 37 transitions, 84 flow [2021-03-26 10:38:01,950 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=84, PETRI_PLACES=46, PETRI_TRANSITIONS=37} [2021-03-26 10:38:01,953 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, -3 predicate places. [2021-03-26 10:38:01,954 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:38:01,954 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 46 places, 37 transitions, 84 flow [2021-03-26 10:38:01,955 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 46 places, 37 transitions, 84 flow [2021-03-26 10:38:01,955 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 46 places, 37 transitions, 84 flow [2021-03-26 10:38:01,961 INFO L129 PetriNetUnfolder]: 0/37 cut-off events. [2021-03-26 10:38:01,961 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:38:01,962 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47 conditions, 37 events. 0/37 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 48 event pairs, 0 based on Foata normal form. 0/35 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-03-26 10:38:01,962 INFO L142 LiptonReduction]: Number of co-enabled transitions 402 [2021-03-26 10:38:02,323 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-03-26 10:38:02,635 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-03-26 10:38:03,395 WARN L205 SmtUtils]: Spent 757.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2021-03-26 10:38:03,998 WARN L205 SmtUtils]: Spent 601.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2021-03-26 10:38:04,641 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-03-26 10:38:04,938 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-03-26 10:38:05,591 WARN L205 SmtUtils]: Spent 647.00 ms on a formula simplification that was a NOOP. DAG size: 272 [2021-03-26 10:38:06,222 WARN L205 SmtUtils]: Spent 625.00 ms on a formula simplification that was a NOOP. DAG size: 272 [2021-03-26 10:38:06,593 INFO L154 LiptonReduction]: Checked pairs total: 1585 [2021-03-26 10:38:06,593 INFO L156 LiptonReduction]: Total number of compositions: 11 [2021-03-26 10:38:06,593 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4639 [2021-03-26 10:38:06,594 INFO L480 AbstractCegarLoop]: Abstraction has has 36 places, 27 transitions, 64 flow [2021-03-26 10:38:06,595 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 137.66666666666666) internal successors, (413), 3 states have internal predecessors, (413), 0 states have call successors, (0), 0 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 10:38:06,595 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:38:06,595 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:38:06,595 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-26 10:38:06,595 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:38:06,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:38:06,596 INFO L82 PathProgramCache]: Analyzing trace with hash 463185172, now seen corresponding path program 1 times [2021-03-26 10:38:06,596 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:38:06,596 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085752674] [2021-03-26 10:38:06,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:38:06,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:38:06,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:38:06,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:38:06,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:38:06,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:38:06,706 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-26 10:38:06,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 10:38:06,710 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 10:38:06,710 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085752674] [2021-03-26 10:38:06,710 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:38:06,711 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:38:06,711 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167688854] [2021-03-26 10:38:06,712 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:38:06,712 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:38:06,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:38:06,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:38:06,715 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 147 out of 172 [2021-03-26 10:38:06,716 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 27 transitions, 64 flow. Second operand has 4 states, 4 states have (on average 147.75) internal successors, (591), 4 states have internal predecessors, (591), 0 states have call successors, (0), 0 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 10:38:06,716 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:38:06,716 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 147 of 172 [2021-03-26 10:38:06,716 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:38:06,755 INFO L129 PetriNetUnfolder]: 1/30 cut-off events. [2021-03-26 10:38:06,755 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-26 10:38:06,755 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47 conditions, 30 events. 1/30 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 56 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 36. Up to 3 conditions per place. [2021-03-26 10:38:06,755 INFO L132 encePairwiseOnDemand]: 168/172 looper letters, 1 selfloop transitions, 2 changer transitions 5/29 dead transitions. [2021-03-26 10:38:06,756 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 29 transitions, 80 flow [2021-03-26 10:38:06,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 10:38:06,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 10:38:06,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 742 transitions. [2021-03-26 10:38:06,757 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8627906976744186 [2021-03-26 10:38:06,757 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 742 transitions. [2021-03-26 10:38:06,758 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 742 transitions. [2021-03-26 10:38:06,758 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:38:06,758 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 742 transitions. [2021-03-26 10:38:06,759 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 148.4) internal successors, (742), 5 states have internal predecessors, (742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:38:06,761 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 172.0) internal successors, (1032), 6 states have internal predecessors, (1032), 0 states have call successors, (0), 0 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 10:38:06,761 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 172.0) internal successors, (1032), 6 states have internal predecessors, (1032), 0 states have call successors, (0), 0 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 10:38:06,762 INFO L185 Difference]: Start difference. First operand has 36 places, 27 transitions, 64 flow. Second operand 5 states and 742 transitions. [2021-03-26 10:38:06,762 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 29 transitions, 80 flow [2021-03-26 10:38:06,762 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 29 transitions, 76 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 10:38:06,763 INFO L241 Difference]: Finished difference. Result has 39 places, 24 transitions, 62 flow [2021-03-26 10:38:06,763 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=60, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=62, PETRI_PLACES=39, PETRI_TRANSITIONS=24} [2021-03-26 10:38:06,763 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, -10 predicate places. [2021-03-26 10:38:06,764 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:38:06,764 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 39 places, 24 transitions, 62 flow [2021-03-26 10:38:06,764 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 39 places, 24 transitions, 62 flow [2021-03-26 10:38:06,764 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 34 places, 24 transitions, 62 flow [2021-03-26 10:38:06,768 INFO L129 PetriNetUnfolder]: 0/24 cut-off events. [2021-03-26 10:38:06,768 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-26 10:38:06,768 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37 conditions, 24 events. 0/24 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 36 event pairs, 0 based on Foata normal form. 0/24 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-26 10:38:06,768 INFO L142 LiptonReduction]: Number of co-enabled transitions 244 [2021-03-26 10:38:07,098 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-03-26 10:38:07,413 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 114 [2021-03-26 10:38:07,597 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-03-26 10:38:07,913 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 114 [2021-03-26 10:38:08,046 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-03-26 10:38:08,049 INFO L154 LiptonReduction]: Checked pairs total: 909 [2021-03-26 10:38:08,049 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 10:38:08,049 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1286 [2021-03-26 10:38:08,050 INFO L480 AbstractCegarLoop]: Abstraction has has 32 places, 22 transitions, 58 flow [2021-03-26 10:38:08,050 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 147.75) internal successors, (591), 4 states have internal predecessors, (591), 0 states have call successors, (0), 0 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 10:38:08,051 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:38:08,051 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:38:08,051 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-26 10:38:08,051 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:38:08,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:38:08,051 INFO L82 PathProgramCache]: Analyzing trace with hash -147862746, now seen corresponding path program 1 times [2021-03-26 10:38:08,052 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:38:08,052 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529747279] [2021-03-26 10:38:08,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:38:08,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:38:08,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:38:08,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:38:08,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:38:08,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:38:08,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:38:08,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:38:08,238 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 10:38:08,238 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529747279] [2021-03-26 10:38:08,238 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:38:08,238 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:38:08,238 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981884693] [2021-03-26 10:38:08,238 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:38:08,239 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:38:08,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:38:08,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:38:08,240 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 147 out of 174 [2021-03-26 10:38:08,240 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 22 transitions, 58 flow. Second operand has 4 states, 4 states have (on average 147.75) internal successors, (591), 4 states have internal predecessors, (591), 0 states have call successors, (0), 0 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 10:38:08,240 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:38:08,240 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 147 of 174 [2021-03-26 10:38:08,240 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:38:08,260 INFO L129 PetriNetUnfolder]: 0/29 cut-off events. [2021-03-26 10:38:08,260 INFO L130 PetriNetUnfolder]: For 4/6 co-relation queries the response was YES. [2021-03-26 10:38:08,260 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51 conditions, 29 events. 0/29 cut-off events. For 4/6 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 60 event pairs, 0 based on Foata normal form. 3/32 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2021-03-26 10:38:08,260 INFO L132 encePairwiseOnDemand]: 170/174 looper letters, 1 selfloop transitions, 3 changer transitions 1/23 dead transitions. [2021-03-26 10:38:08,261 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 23 transitions, 73 flow [2021-03-26 10:38:08,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 10:38:08,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 10:38:08,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 595 transitions. [2021-03-26 10:38:08,263 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8548850574712644 [2021-03-26 10:38:08,263 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 595 transitions. [2021-03-26 10:38:08,263 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 595 transitions. [2021-03-26 10:38:08,263 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:38:08,263 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 595 transitions. [2021-03-26 10:38:08,265 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 148.75) internal successors, (595), 4 states have internal predecessors, (595), 0 states have call successors, (0), 0 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 10:38:08,266 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 174.0) internal successors, (870), 5 states have internal predecessors, (870), 0 states have call successors, (0), 0 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 10:38:08,267 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 174.0) internal successors, (870), 5 states have internal predecessors, (870), 0 states have call successors, (0), 0 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 10:38:08,267 INFO L185 Difference]: Start difference. First operand has 32 places, 22 transitions, 58 flow. Second operand 4 states and 595 transitions. [2021-03-26 10:38:08,267 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 23 transitions, 73 flow [2021-03-26 10:38:08,267 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 23 transitions, 67 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 10:38:08,268 INFO L241 Difference]: Finished difference. Result has 35 places, 22 transitions, 68 flow [2021-03-26 10:38:08,268 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=174, PETRI_DIFFERENCE_MINUEND_FLOW=54, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=68, PETRI_PLACES=35, PETRI_TRANSITIONS=22} [2021-03-26 10:38:08,268 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, -14 predicate places. [2021-03-26 10:38:08,268 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:38:08,268 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 35 places, 22 transitions, 68 flow [2021-03-26 10:38:08,269 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 35 places, 22 transitions, 68 flow [2021-03-26 10:38:08,269 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 35 places, 22 transitions, 68 flow [2021-03-26 10:38:08,273 INFO L129 PetriNetUnfolder]: 0/22 cut-off events. [2021-03-26 10:38:08,273 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-26 10:38:08,273 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42 conditions, 22 events. 0/22 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 34 event pairs, 0 based on Foata normal form. 0/22 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-26 10:38:08,273 INFO L142 LiptonReduction]: Number of co-enabled transitions 224 [2021-03-26 10:38:08,406 INFO L154 LiptonReduction]: Checked pairs total: 495 [2021-03-26 10:38:08,406 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 10:38:08,407 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 139 [2021-03-26 10:38:08,409 INFO L480 AbstractCegarLoop]: Abstraction has has 34 places, 21 transitions, 66 flow [2021-03-26 10:38:08,410 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 147.75) internal successors, (591), 4 states have internal predecessors, (591), 0 states have call successors, (0), 0 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 10:38:08,410 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:38:08,410 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:38:08,410 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-26 10:38:08,410 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:38:08,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:38:08,411 INFO L82 PathProgramCache]: Analyzing trace with hash -349617684, now seen corresponding path program 1 times [2021-03-26 10:38:08,411 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:38:08,411 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496044489] [2021-03-26 10:38:08,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:38:08,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:38:08,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:38:08,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:38:08,526 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 10:38:08,526 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496044489] [2021-03-26 10:38:08,526 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:38:08,526 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-26 10:38:08,527 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650959167] [2021-03-26 10:38:08,527 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 10:38:08,527 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:38:08,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 10:38:08,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 10:38:08,528 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 175 [2021-03-26 10:38:08,529 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 21 transitions, 66 flow. Second operand has 3 states, 3 states have (on average 154.66666666666666) internal successors, (464), 3 states have internal predecessors, (464), 0 states have call successors, (0), 0 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 10:38:08,529 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:38:08,529 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 175 [2021-03-26 10:38:08,529 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:38:08,541 INFO L129 PetriNetUnfolder]: 0/21 cut-off events. [2021-03-26 10:38:08,541 INFO L130 PetriNetUnfolder]: For 15/17 co-relation queries the response was YES. [2021-03-26 10:38:08,542 INFO L84 FinitePrefix]: Finished finitePrefix Result has 45 conditions, 21 events. 0/21 cut-off events. For 15/17 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 30 event pairs, 0 based on Foata normal form. 1/22 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-26 10:38:08,542 INFO L132 encePairwiseOnDemand]: 172/175 looper letters, 1 selfloop transitions, 2 changer transitions 0/21 dead transitions. [2021-03-26 10:38:08,542 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 21 transitions, 72 flow [2021-03-26 10:38:08,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 10:38:08,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 10:38:08,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 466 transitions. [2021-03-26 10:38:08,544 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8876190476190476 [2021-03-26 10:38:08,544 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 466 transitions. [2021-03-26 10:38:08,544 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 466 transitions. [2021-03-26 10:38:08,544 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:38:08,544 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 466 transitions. [2021-03-26 10:38:08,545 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 155.33333333333334) internal successors, (466), 3 states have internal predecessors, (466), 0 states have call successors, (0), 0 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 10:38:08,547 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 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 10:38:08,547 INFO L81 ComplementDD]: Finished complementDD. Result has 4 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 10:38:08,547 INFO L185 Difference]: Start difference. First operand has 34 places, 21 transitions, 66 flow. Second operand 3 states and 466 transitions. [2021-03-26 10:38:08,547 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 21 transitions, 72 flow [2021-03-26 10:38:08,548 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 21 transitions, 60 flow, removed 2 selfloop flow, removed 4 redundant places. [2021-03-26 10:38:08,548 INFO L241 Difference]: Finished difference. Result has 33 places, 21 transitions, 62 flow [2021-03-26 10:38:08,548 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=54, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=62, PETRI_PLACES=33, PETRI_TRANSITIONS=21} [2021-03-26 10:38:08,549 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, -16 predicate places. [2021-03-26 10:38:08,549 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:38:08,549 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 33 places, 21 transitions, 62 flow [2021-03-26 10:38:08,549 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 33 places, 21 transitions, 62 flow [2021-03-26 10:38:08,549 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 33 places, 21 transitions, 62 flow [2021-03-26 10:38:08,553 INFO L129 PetriNetUnfolder]: 0/21 cut-off events. [2021-03-26 10:38:08,553 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-26 10:38:08,553 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38 conditions, 21 events. 0/21 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 30 event pairs, 0 based on Foata normal form. 0/21 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-26 10:38:08,553 INFO L142 LiptonReduction]: Number of co-enabled transitions 200 [2021-03-26 10:38:08,554 INFO L154 LiptonReduction]: Checked pairs total: 222 [2021-03-26 10:38:08,554 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:38:08,554 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5 [2021-03-26 10:38:08,555 INFO L480 AbstractCegarLoop]: Abstraction has has 33 places, 21 transitions, 62 flow [2021-03-26 10:38:08,555 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 154.66666666666666) internal successors, (464), 3 states have internal predecessors, (464), 0 states have call successors, (0), 0 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 10:38:08,556 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:38:08,556 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:38:08,556 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-26 10:38:08,556 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:38:08,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:38:08,556 INFO L82 PathProgramCache]: Analyzing trace with hash 1006049547, now seen corresponding path program 1 times [2021-03-26 10:38:08,556 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:38:08,556 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71694590] [2021-03-26 10:38:08,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:38:08,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:38:08,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:38:08,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 10:38:08,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:38:08,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 10:38:08,757 INFO L142 QuantifierPusher]: treesize reduction 10, result has 83.6 percent of original size [2021-03-26 10:38:08,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 10:38:08,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:38:08,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 10:38:08,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:38:08,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 10:38:08,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:38:08,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 10:38:08,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:38:08,815 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71694590] [2021-03-26 10:38:08,815 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:38:08,815 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 10:38:08,816 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841061551] [2021-03-26 10:38:08,816 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 10:38:08,816 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:38:08,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 10:38:08,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-03-26 10:38:08,817 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 175 [2021-03-26 10:38:08,818 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 21 transitions, 62 flow. Second operand has 7 states, 7 states have (on average 128.0) internal successors, (896), 7 states have internal predecessors, (896), 0 states have call successors, (0), 0 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 10:38:08,818 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:38:08,818 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 175 [2021-03-26 10:38:08,818 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:38:08,968 INFO L129 PetriNetUnfolder]: 135/273 cut-off events. [2021-03-26 10:38:08,969 INFO L130 PetriNetUnfolder]: For 52/52 co-relation queries the response was YES. [2021-03-26 10:38:08,969 INFO L84 FinitePrefix]: Finished finitePrefix Result has 584 conditions, 273 events. 135/273 cut-off events. For 52/52 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1224 event pairs, 9 based on Foata normal form. 2/262 useless extension candidates. Maximal degree in co-relation 573. Up to 193 conditions per place. [2021-03-26 10:38:08,971 INFO L132 encePairwiseOnDemand]: 166/175 looper letters, 15 selfloop transitions, 10 changer transitions 0/35 dead transitions. [2021-03-26 10:38:08,971 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 35 transitions, 147 flow [2021-03-26 10:38:08,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 10:38:08,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 10:38:08,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 661 transitions. [2021-03-26 10:38:08,973 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7554285714285714 [2021-03-26 10:38:08,973 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 661 transitions. [2021-03-26 10:38:08,973 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 661 transitions. [2021-03-26 10:38:08,974 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:38:08,974 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 661 transitions. [2021-03-26 10:38:08,975 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 132.2) internal successors, (661), 5 states have internal predecessors, (661), 0 states have call successors, (0), 0 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 10:38:08,977 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 175.0) internal successors, (1050), 6 states have internal predecessors, (1050), 0 states have call successors, (0), 0 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 10:38:08,977 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 175.0) internal successors, (1050), 6 states have internal predecessors, (1050), 0 states have call successors, (0), 0 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 10:38:08,977 INFO L185 Difference]: Start difference. First operand has 33 places, 21 transitions, 62 flow. Second operand 5 states and 661 transitions. [2021-03-26 10:38:08,977 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 35 transitions, 147 flow [2021-03-26 10:38:08,978 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 35 transitions, 139 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 10:38:08,979 INFO L241 Difference]: Finished difference. Result has 37 places, 29 transitions, 121 flow [2021-03-26 10:38:08,979 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=58, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=121, PETRI_PLACES=37, PETRI_TRANSITIONS=29} [2021-03-26 10:38:08,979 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, -12 predicate places. [2021-03-26 10:38:08,979 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:38:08,979 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 37 places, 29 transitions, 121 flow [2021-03-26 10:38:08,980 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 37 places, 29 transitions, 121 flow [2021-03-26 10:38:08,980 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 37 places, 29 transitions, 121 flow [2021-03-26 10:38:08,997 INFO L129 PetriNetUnfolder]: 34/106 cut-off events. [2021-03-26 10:38:08,997 INFO L130 PetriNetUnfolder]: For 28/30 co-relation queries the response was YES. [2021-03-26 10:38:08,997 INFO L84 FinitePrefix]: Finished finitePrefix Result has 239 conditions, 106 events. 34/106 cut-off events. For 28/30 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 426 event pairs, 11 based on Foata normal form. 0/101 useless extension candidates. Maximal degree in co-relation 228. Up to 60 conditions per place. [2021-03-26 10:38:08,998 INFO L142 LiptonReduction]: Number of co-enabled transitions 252 [2021-03-26 10:38:09,226 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 63 [2021-03-26 10:38:09,637 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 89 [2021-03-26 10:38:09,792 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-03-26 10:38:10,858 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 218 DAG size of output: 177 [2021-03-26 10:38:11,144 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2021-03-26 10:38:12,417 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 302 DAG size of output: 258 [2021-03-26 10:38:13,026 WARN L205 SmtUtils]: Spent 607.00 ms on a formula simplification that was a NOOP. DAG size: 255 [2021-03-26 10:38:13,032 INFO L154 LiptonReduction]: Checked pairs total: 222 [2021-03-26 10:38:13,032 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 10:38:13,032 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4053 [2021-03-26 10:38:13,033 INFO L480 AbstractCegarLoop]: Abstraction has has 37 places, 29 transitions, 122 flow [2021-03-26 10:38:13,034 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 128.0) internal successors, (896), 7 states have internal predecessors, (896), 0 states have call successors, (0), 0 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 10:38:13,034 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:38:13,034 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:38:13,034 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-26 10:38:13,034 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:38:13,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:38:13,034 INFO L82 PathProgramCache]: Analyzing trace with hash -1630669499, now seen corresponding path program 2 times [2021-03-26 10:38:13,034 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:38:13,035 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699685458] [2021-03-26 10:38:13,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:38:13,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:38:13,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:38:13,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 10:38:13,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:38:13,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 10:38:13,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:38:13,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 10:38:13,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:38:13,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 10:38:13,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:38:13,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 10:38:13,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:38:13,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 10:38:13,178 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 10:38:13,179 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699685458] [2021-03-26 10:38:13,179 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:38:13,179 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 10:38:13,179 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959645479] [2021-03-26 10:38:13,179 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 10:38:13,179 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:38:13,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 10:38:13,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-03-26 10:38:13,181 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 177 [2021-03-26 10:38:13,182 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 29 transitions, 122 flow. Second operand has 7 states, 7 states have (on average 124.0) internal successors, (868), 7 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:38:13,182 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:38:13,182 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 177 [2021-03-26 10:38:13,182 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:38:13,396 INFO L129 PetriNetUnfolder]: 140/274 cut-off events. [2021-03-26 10:38:13,396 INFO L130 PetriNetUnfolder]: For 169/228 co-relation queries the response was YES. [2021-03-26 10:38:13,397 INFO L84 FinitePrefix]: Finished finitePrefix Result has 785 conditions, 274 events. 140/274 cut-off events. For 169/228 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1175 event pairs, 34 based on Foata normal form. 9/265 useless extension candidates. Maximal degree in co-relation 772. Up to 197 conditions per place. [2021-03-26 10:38:13,398 INFO L132 encePairwiseOnDemand]: 166/177 looper letters, 15 selfloop transitions, 17 changer transitions 0/42 dead transitions. [2021-03-26 10:38:13,398 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 42 transitions, 238 flow [2021-03-26 10:38:13,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 10:38:13,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 10:38:13,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 769 transitions. [2021-03-26 10:38:13,401 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.724105461393597 [2021-03-26 10:38:13,401 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 769 transitions. [2021-03-26 10:38:13,401 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 769 transitions. [2021-03-26 10:38:13,402 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:38:13,402 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 769 transitions. [2021-03-26 10:38:13,403 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 128.16666666666666) internal successors, (769), 6 states have internal predecessors, (769), 0 states have call successors, (0), 0 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 10:38:13,405 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 177.0) internal successors, (1239), 7 states have internal predecessors, (1239), 0 states have call successors, (0), 0 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 10:38:13,406 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 177.0) internal successors, (1239), 7 states have internal predecessors, (1239), 0 states have call successors, (0), 0 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 10:38:13,406 INFO L185 Difference]: Start difference. First operand has 37 places, 29 transitions, 122 flow. Second operand 6 states and 769 transitions. [2021-03-26 10:38:13,406 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 42 transitions, 238 flow [2021-03-26 10:38:13,408 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 42 transitions, 238 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-26 10:38:13,409 INFO L241 Difference]: Finished difference. Result has 43 places, 36 transitions, 209 flow [2021-03-26 10:38:13,410 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=177, PETRI_DIFFERENCE_MINUEND_FLOW=122, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=209, PETRI_PLACES=43, PETRI_TRANSITIONS=36} [2021-03-26 10:38:13,410 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, -6 predicate places. [2021-03-26 10:38:13,410 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:38:13,410 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 43 places, 36 transitions, 209 flow [2021-03-26 10:38:13,410 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 43 places, 36 transitions, 209 flow [2021-03-26 10:38:13,410 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 43 places, 36 transitions, 209 flow [2021-03-26 10:38:13,430 INFO L129 PetriNetUnfolder]: 39/107 cut-off events. [2021-03-26 10:38:13,430 INFO L130 PetriNetUnfolder]: For 112/173 co-relation queries the response was YES. [2021-03-26 10:38:13,431 INFO L84 FinitePrefix]: Finished finitePrefix Result has 326 conditions, 107 events. 39/107 cut-off events. For 112/173 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 435 event pairs, 9 based on Foata normal form. 2/98 useless extension candidates. Maximal degree in co-relation 312. Up to 63 conditions per place. [2021-03-26 10:38:13,432 INFO L142 LiptonReduction]: Number of co-enabled transitions 300 [2021-03-26 10:38:14,502 WARN L205 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 178 [2021-03-26 10:38:15,086 WARN L205 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 175 [2021-03-26 10:38:16,520 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 302 DAG size of output: 258 [2021-03-26 10:38:17,158 WARN L205 SmtUtils]: Spent 636.00 ms on a formula simplification that was a NOOP. DAG size: 255 [2021-03-26 10:38:17,166 INFO L154 LiptonReduction]: Checked pairs total: 225 [2021-03-26 10:38:17,166 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 10:38:17,166 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3756 [2021-03-26 10:38:17,167 INFO L480 AbstractCegarLoop]: Abstraction has has 43 places, 36 transitions, 211 flow [2021-03-26 10:38:17,167 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 124.0) internal successors, (868), 7 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:38:17,167 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:38:17,167 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:38:17,167 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-26 10:38:17,167 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:38:17,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:38:17,168 INFO L82 PathProgramCache]: Analyzing trace with hash -2116219528, now seen corresponding path program 1 times [2021-03-26 10:38:17,168 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:38:17,168 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90266768] [2021-03-26 10:38:17,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:38:17,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:38:17,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:38:17,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 10:38:17,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:38:17,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 10:38:17,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:38:17,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 10:38:17,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:38:17,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 10:38:17,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:38:17,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 10:38:17,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:38:17,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 10:38:17,399 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 10:38:17,399 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90266768] [2021-03-26 10:38:17,399 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:38:17,400 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 10:38:17,400 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886024213] [2021-03-26 10:38:17,400 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 10:38:17,400 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:38:17,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 10:38:17,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-03-26 10:38:17,401 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 178 [2021-03-26 10:38:17,402 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 36 transitions, 211 flow. Second operand has 8 states, 8 states have (on average 117.875) internal successors, (943), 8 states have internal predecessors, (943), 0 states have call successors, (0), 0 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 10:38:17,402 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:38:17,402 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 178 [2021-03-26 10:38:17,403 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:38:18,056 INFO L129 PetriNetUnfolder]: 169/360 cut-off events. [2021-03-26 10:38:18,057 INFO L130 PetriNetUnfolder]: For 488/619 co-relation queries the response was YES. [2021-03-26 10:38:18,058 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1196 conditions, 360 events. 169/360 cut-off events. For 488/619 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 1855 event pairs, 20 based on Foata normal form. 33/378 useless extension candidates. Maximal degree in co-relation 1180. Up to 222 conditions per place. [2021-03-26 10:38:18,060 INFO L132 encePairwiseOnDemand]: 166/178 looper letters, 24 selfloop transitions, 30 changer transitions 0/64 dead transitions. [2021-03-26 10:38:18,060 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 64 transitions, 470 flow [2021-03-26 10:38:18,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 10:38:18,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 10:38:18,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1336 transitions. [2021-03-26 10:38:18,065 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6823289070480082 [2021-03-26 10:38:18,065 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1336 transitions. [2021-03-26 10:38:18,065 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1336 transitions. [2021-03-26 10:38:18,066 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:38:18,066 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1336 transitions. [2021-03-26 10:38:18,068 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 121.45454545454545) internal successors, (1336), 11 states have internal predecessors, (1336), 0 states have call successors, (0), 0 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 10:38:18,071 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 178.0) internal successors, (2136), 12 states have internal predecessors, (2136), 0 states have call successors, (0), 0 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 10:38:18,072 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 178.0) internal successors, (2136), 12 states have internal predecessors, (2136), 0 states have call successors, (0), 0 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 10:38:18,072 INFO L185 Difference]: Start difference. First operand has 43 places, 36 transitions, 211 flow. Second operand 11 states and 1336 transitions. [2021-03-26 10:38:18,072 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 64 transitions, 470 flow [2021-03-26 10:38:18,076 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 64 transitions, 450 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-03-26 10:38:18,078 INFO L241 Difference]: Finished difference. Result has 56 places, 55 transitions, 417 flow [2021-03-26 10:38:18,079 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=178, PETRI_DIFFERENCE_MINUEND_FLOW=197, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=417, PETRI_PLACES=56, PETRI_TRANSITIONS=55} [2021-03-26 10:38:18,079 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 7 predicate places. [2021-03-26 10:38:18,079 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:38:18,079 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 56 places, 55 transitions, 417 flow [2021-03-26 10:38:18,080 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 56 places, 55 transitions, 417 flow [2021-03-26 10:38:18,080 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 56 places, 55 transitions, 417 flow [2021-03-26 10:38:18,121 INFO L129 PetriNetUnfolder]: 98/279 cut-off events. [2021-03-26 10:38:18,122 INFO L130 PetriNetUnfolder]: For 483/541 co-relation queries the response was YES. [2021-03-26 10:38:18,123 INFO L84 FinitePrefix]: Finished finitePrefix Result has 987 conditions, 279 events. 98/279 cut-off events. For 483/541 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 1523 event pairs, 23 based on Foata normal form. 2/264 useless extension candidates. Maximal degree in co-relation 968. Up to 147 conditions per place. [2021-03-26 10:38:18,125 INFO L142 LiptonReduction]: Number of co-enabled transitions 374 [2021-03-26 10:38:18,142 INFO L154 LiptonReduction]: Checked pairs total: 218 [2021-03-26 10:38:18,142 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:38:18,142 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 63 [2021-03-26 10:38:18,143 INFO L480 AbstractCegarLoop]: Abstraction has has 56 places, 55 transitions, 417 flow [2021-03-26 10:38:18,144 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 117.875) internal successors, (943), 8 states have internal predecessors, (943), 0 states have call successors, (0), 0 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 10:38:18,144 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:38:18,144 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:38:18,144 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-26 10:38:18,144 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:38:18,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:38:18,145 INFO L82 PathProgramCache]: Analyzing trace with hash 1260300922, now seen corresponding path program 2 times [2021-03-26 10:38:18,145 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:38:18,145 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512465844] [2021-03-26 10:38:18,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:38:18,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:38:18,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:38:18,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 10:38:18,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:38:18,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 10:38:18,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:38:18,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 10:38:18,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:38:18,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 10:38:18,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:38:18,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 10:38:18,366 INFO L142 QuantifierPusher]: treesize reduction 4, result has 50.0 percent of original size [2021-03-26 10:38:18,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 10:38:18,377 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 10:38:18,377 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512465844] [2021-03-26 10:38:18,377 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:38:18,377 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 10:38:18,377 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647978292] [2021-03-26 10:38:18,378 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 10:38:18,378 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:38:18,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 10:38:18,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-03-26 10:38:18,380 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 178 [2021-03-26 10:38:18,380 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 55 transitions, 417 flow. Second operand has 8 states, 8 states have (on average 115.875) internal successors, (927), 8 states have internal predecessors, (927), 0 states have call successors, (0), 0 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 10:38:18,381 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:38:18,381 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 178 [2021-03-26 10:38:18,381 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:38:18,731 INFO L129 PetriNetUnfolder]: 226/491 cut-off events. [2021-03-26 10:38:18,731 INFO L130 PetriNetUnfolder]: For 1252/1496 co-relation queries the response was YES. [2021-03-26 10:38:18,733 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1988 conditions, 491 events. 226/491 cut-off events. For 1252/1496 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 2906 event pairs, 41 based on Foata normal form. 37/512 useless extension candidates. Maximal degree in co-relation 1967. Up to 216 conditions per place. [2021-03-26 10:38:18,735 INFO L132 encePairwiseOnDemand]: 168/178 looper letters, 25 selfloop transitions, 18 changer transitions 20/73 dead transitions. [2021-03-26 10:38:18,735 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 73 transitions, 669 flow [2021-03-26 10:38:18,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 10:38:18,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 10:38:18,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 845 transitions. [2021-03-26 10:38:18,738 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6781701444622793 [2021-03-26 10:38:18,738 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 845 transitions. [2021-03-26 10:38:18,775 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 845 transitions. [2021-03-26 10:38:18,775 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:38:18,775 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 845 transitions. [2021-03-26 10:38:18,777 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 120.71428571428571) internal successors, (845), 7 states have internal predecessors, (845), 0 states have call successors, (0), 0 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 10:38:18,779 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 178.0) internal successors, (1424), 8 states have internal predecessors, (1424), 0 states have call successors, (0), 0 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 10:38:18,779 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 178.0) internal successors, (1424), 8 states have internal predecessors, (1424), 0 states have call successors, (0), 0 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 10:38:18,779 INFO L185 Difference]: Start difference. First operand has 56 places, 55 transitions, 417 flow. Second operand 7 states and 845 transitions. [2021-03-26 10:38:18,779 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 73 transitions, 669 flow [2021-03-26 10:38:18,785 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 73 transitions, 647 flow, removed 5 selfloop flow, removed 2 redundant places. [2021-03-26 10:38:18,787 INFO L241 Difference]: Finished difference. Result has 63 places, 50 transitions, 423 flow [2021-03-26 10:38:18,788 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=178, PETRI_DIFFERENCE_MINUEND_FLOW=395, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=423, PETRI_PLACES=63, PETRI_TRANSITIONS=50} [2021-03-26 10:38:18,788 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 14 predicate places. [2021-03-26 10:38:18,788 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:38:18,788 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 63 places, 50 transitions, 423 flow [2021-03-26 10:38:18,788 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 63 places, 50 transitions, 423 flow [2021-03-26 10:38:18,789 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 60 places, 50 transitions, 423 flow [2021-03-26 10:38:18,827 INFO L129 PetriNetUnfolder]: 81/224 cut-off events. [2021-03-26 10:38:18,827 INFO L130 PetriNetUnfolder]: For 619/694 co-relation queries the response was YES. [2021-03-26 10:38:18,828 INFO L84 FinitePrefix]: Finished finitePrefix Result has 934 conditions, 224 events. 81/224 cut-off events. For 619/694 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1093 event pairs, 25 based on Foata normal form. 3/212 useless extension candidates. Maximal degree in co-relation 911. Up to 116 conditions per place. [2021-03-26 10:38:18,830 INFO L142 LiptonReduction]: Number of co-enabled transitions 344 [2021-03-26 10:38:19,090 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 66 [2021-03-26 10:38:19,423 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 85 [2021-03-26 10:38:19,519 INFO L154 LiptonReduction]: Checked pairs total: 371 [2021-03-26 10:38:19,519 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 10:38:19,519 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 731 [2021-03-26 10:38:19,520 INFO L480 AbstractCegarLoop]: Abstraction has has 60 places, 50 transitions, 429 flow [2021-03-26 10:38:19,520 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 115.875) internal successors, (927), 8 states have internal predecessors, (927), 0 states have call successors, (0), 0 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 10:38:19,520 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:38:19,520 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:38:19,520 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-26 10:38:19,521 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:38:19,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:38:19,521 INFO L82 PathProgramCache]: Analyzing trace with hash -359850797, now seen corresponding path program 1 times [2021-03-26 10:38:19,521 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:38:19,521 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096742236] [2021-03-26 10:38:19,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:38:19,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:38:19,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:38:19,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 10:38:19,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:38:19,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 10:38:19,653 INFO L142 QuantifierPusher]: treesize reduction 14, result has 82.3 percent of original size [2021-03-26 10:38:19,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-26 10:38:19,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:38:19,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 10:38:19,725 INFO L142 QuantifierPusher]: treesize reduction 58, result has 24.7 percent of original size [2021-03-26 10:38:19,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 10:38:19,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:38:19,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 10:38:19,760 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 10:38:19,760 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096742236] [2021-03-26 10:38:19,760 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:38:19,760 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 10:38:19,760 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077635968] [2021-03-26 10:38:19,760 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 10:38:19,760 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:38:19,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 10:38:19,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-03-26 10:38:19,762 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 179 [2021-03-26 10:38:19,764 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 50 transitions, 429 flow. Second operand has 8 states, 8 states have (on average 115.875) internal successors, (927), 8 states have internal predecessors, (927), 0 states have call successors, (0), 0 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 10:38:19,764 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:38:19,764 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 179 [2021-03-26 10:38:19,764 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:38:20,146 INFO L129 PetriNetUnfolder]: 225/506 cut-off events. [2021-03-26 10:38:20,146 INFO L130 PetriNetUnfolder]: For 1786/2057 co-relation queries the response was YES. [2021-03-26 10:38:20,148 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2299 conditions, 506 events. 225/506 cut-off events. For 1786/2057 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 2957 event pairs, 47 based on Foata normal form. 35/522 useless extension candidates. Maximal degree in co-relation 2274. Up to 229 conditions per place. [2021-03-26 10:38:20,151 INFO L132 encePairwiseOnDemand]: 169/179 looper letters, 42 selfloop transitions, 19 changer transitions 7/78 dead transitions. [2021-03-26 10:38:20,151 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 78 transitions, 808 flow [2021-03-26 10:38:20,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 10:38:20,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 10:38:20,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 850 transitions. [2021-03-26 10:38:20,155 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6783719074221868 [2021-03-26 10:38:20,155 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 850 transitions. [2021-03-26 10:38:20,155 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 850 transitions. [2021-03-26 10:38:20,155 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:38:20,155 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 850 transitions. [2021-03-26 10:38:20,157 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 121.42857142857143) internal successors, (850), 7 states have internal predecessors, (850), 0 states have call successors, (0), 0 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 10:38:20,159 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 179.0) internal successors, (1432), 8 states have internal predecessors, (1432), 0 states have call successors, (0), 0 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 10:38:20,160 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 179.0) internal successors, (1432), 8 states have internal predecessors, (1432), 0 states have call successors, (0), 0 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 10:38:20,160 INFO L185 Difference]: Start difference. First operand has 60 places, 50 transitions, 429 flow. Second operand 7 states and 850 transitions. [2021-03-26 10:38:20,160 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 78 transitions, 808 flow [2021-03-26 10:38:20,166 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 78 transitions, 712 flow, removed 13 selfloop flow, removed 7 redundant places. [2021-03-26 10:38:20,169 INFO L241 Difference]: Finished difference. Result has 62 places, 55 transitions, 460 flow [2021-03-26 10:38:20,169 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=356, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=460, PETRI_PLACES=62, PETRI_TRANSITIONS=55} [2021-03-26 10:38:20,169 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 13 predicate places. [2021-03-26 10:38:20,169 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:38:20,169 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 55 transitions, 460 flow [2021-03-26 10:38:20,170 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 62 places, 55 transitions, 460 flow [2021-03-26 10:38:20,170 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 62 places, 55 transitions, 460 flow [2021-03-26 10:38:20,225 INFO L129 PetriNetUnfolder]: 114/335 cut-off events. [2021-03-26 10:38:20,225 INFO L130 PetriNetUnfolder]: For 1205/1302 co-relation queries the response was YES. [2021-03-26 10:38:20,227 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1446 conditions, 335 events. 114/335 cut-off events. For 1205/1302 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 2003 event pairs, 35 based on Foata normal form. 2/314 useless extension candidates. Maximal degree in co-relation 1422. Up to 187 conditions per place. [2021-03-26 10:38:20,230 INFO L142 LiptonReduction]: Number of co-enabled transitions 374 [2021-03-26 10:38:20,243 INFO L154 LiptonReduction]: Checked pairs total: 232 [2021-03-26 10:38:20,244 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:38:20,244 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 75 [2021-03-26 10:38:20,244 INFO L480 AbstractCegarLoop]: Abstraction has has 62 places, 55 transitions, 460 flow [2021-03-26 10:38:20,245 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 115.875) internal successors, (927), 8 states have internal predecessors, (927), 0 states have call successors, (0), 0 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 10:38:20,245 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:38:20,245 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:38:20,245 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-26 10:38:20,246 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:38:20,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:38:20,246 INFO L82 PathProgramCache]: Analyzing trace with hash 1307899283, now seen corresponding path program 2 times [2021-03-26 10:38:20,246 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:38:20,246 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654219595] [2021-03-26 10:38:20,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:38:20,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:38:20,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:38:20,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 10:38:20,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:38:20,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 10:38:20,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:38:20,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 10:38:20,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:38:20,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 10:38:20,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:38:20,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 10:38:20,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:38:20,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 10:38:20,402 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 10:38:20,403 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654219595] [2021-03-26 10:38:20,403 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:38:20,403 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 10:38:20,403 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834800333] [2021-03-26 10:38:20,403 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 10:38:20,403 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:38:20,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 10:38:20,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-03-26 10:38:20,404 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 179 [2021-03-26 10:38:20,405 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 55 transitions, 460 flow. Second operand has 8 states, 8 states have (on average 118.875) internal successors, (951), 8 states have internal predecessors, (951), 0 states have call successors, (0), 0 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 10:38:20,405 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:38:20,405 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 179 [2021-03-26 10:38:20,406 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:38:20,857 INFO L129 PetriNetUnfolder]: 260/585 cut-off events. [2021-03-26 10:38:20,857 INFO L130 PetriNetUnfolder]: For 2339/2635 co-relation queries the response was YES. [2021-03-26 10:38:20,859 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2731 conditions, 585 events. 260/585 cut-off events. For 2339/2635 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 3518 event pairs, 32 based on Foata normal form. 77/650 useless extension candidates. Maximal degree in co-relation 2705. Up to 315 conditions per place. [2021-03-26 10:38:20,862 INFO L132 encePairwiseOnDemand]: 165/179 looper letters, 33 selfloop transitions, 41 changer transitions 4/88 dead transitions. [2021-03-26 10:38:20,862 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 88 transitions, 881 flow [2021-03-26 10:38:20,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 10:38:20,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 10:38:20,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1352 transitions. [2021-03-26 10:38:20,866 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6866429659725749 [2021-03-26 10:38:20,866 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1352 transitions. [2021-03-26 10:38:20,866 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1352 transitions. [2021-03-26 10:38:20,867 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:38:20,867 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1352 transitions. [2021-03-26 10:38:20,869 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 122.9090909090909) internal successors, (1352), 11 states have internal predecessors, (1352), 0 states have call successors, (0), 0 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 10:38:20,872 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 179.0) internal successors, (2148), 12 states have internal predecessors, (2148), 0 states have call successors, (0), 0 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 10:38:20,872 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 179.0) internal successors, (2148), 12 states have internal predecessors, (2148), 0 states have call successors, (0), 0 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 10:38:20,872 INFO L185 Difference]: Start difference. First operand has 62 places, 55 transitions, 460 flow. Second operand 11 states and 1352 transitions. [2021-03-26 10:38:20,872 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 88 transitions, 881 flow [2021-03-26 10:38:20,878 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 88 transitions, 863 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 10:38:20,880 INFO L241 Difference]: Finished difference. Result has 74 places, 72 transitions, 738 flow [2021-03-26 10:38:20,881 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=443, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=738, PETRI_PLACES=74, PETRI_TRANSITIONS=72} [2021-03-26 10:38:20,881 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 25 predicate places. [2021-03-26 10:38:20,881 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:38:20,881 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 74 places, 72 transitions, 738 flow [2021-03-26 10:38:20,882 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 74 places, 72 transitions, 738 flow [2021-03-26 10:38:20,882 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 74 places, 72 transitions, 738 flow [2021-03-26 10:38:20,994 INFO L129 PetriNetUnfolder]: 136/376 cut-off events. [2021-03-26 10:38:20,994 INFO L130 PetriNetUnfolder]: For 1926/2065 co-relation queries the response was YES. [2021-03-26 10:38:20,996 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1931 conditions, 376 events. 136/376 cut-off events. For 1926/2065 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 2261 event pairs, 40 based on Foata normal form. 8/364 useless extension candidates. Maximal degree in co-relation 1902. Up to 194 conditions per place. [2021-03-26 10:38:21,000 INFO L142 LiptonReduction]: Number of co-enabled transitions 412 [2021-03-26 10:38:22,210 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 269 DAG size of output: 211 [2021-03-26 10:38:22,661 WARN L205 SmtUtils]: Spent 449.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-03-26 10:38:25,246 WARN L205 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 377 DAG size of output: 316 [2021-03-26 10:38:26,319 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 307 [2021-03-26 10:38:26,348 INFO L154 LiptonReduction]: Checked pairs total: 1007 [2021-03-26 10:38:26,348 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 10:38:26,348 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5467 [2021-03-26 10:38:26,349 INFO L480 AbstractCegarLoop]: Abstraction has has 74 places, 72 transitions, 744 flow [2021-03-26 10:38:26,349 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 118.875) internal successors, (951), 8 states have internal predecessors, (951), 0 states have call successors, (0), 0 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 10:38:26,349 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:38:26,349 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:38:26,349 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-26 10:38:26,349 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:38:26,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:38:26,350 INFO L82 PathProgramCache]: Analyzing trace with hash 88004043, now seen corresponding path program 1 times [2021-03-26 10:38:26,350 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:38:26,350 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260871434] [2021-03-26 10:38:26,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:38:26,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:38:26,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:38:26,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 10:38:26,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:38:26,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 10:38:26,490 INFO L142 QuantifierPusher]: treesize reduction 7, result has 73.1 percent of original size [2021-03-26 10:38:26,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 10:38:26,512 INFO L142 QuantifierPusher]: treesize reduction 33, result has 68.9 percent of original size [2021-03-26 10:38:26,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-03-26 10:38:26,573 INFO L142 QuantifierPusher]: treesize reduction 33, result has 69.7 percent of original size [2021-03-26 10:38:26,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-03-26 10:38:26,636 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size [2021-03-26 10:38:26,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 10:38:26,658 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 10:38:26,658 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260871434] [2021-03-26 10:38:26,658 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:38:26,658 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 10:38:26,658 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294625652] [2021-03-26 10:38:26,659 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 10:38:26,659 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:38:26,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 10:38:26,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-03-26 10:38:26,660 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 180 [2021-03-26 10:38:26,661 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 72 transitions, 744 flow. Second operand has 8 states, 8 states have (on average 117.875) internal successors, (943), 8 states have internal predecessors, (943), 0 states have call successors, (0), 0 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 10:38:26,661 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:38:26,661 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 180 [2021-03-26 10:38:26,661 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:38:27,093 INFO L129 PetriNetUnfolder]: 227/515 cut-off events. [2021-03-26 10:38:27,093 INFO L130 PetriNetUnfolder]: For 3773/4494 co-relation queries the response was YES. [2021-03-26 10:38:27,096 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3005 conditions, 515 events. 227/515 cut-off events. For 3773/4494 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 3021 event pairs, 38 based on Foata normal form. 61/561 useless extension candidates. Maximal degree in co-relation 2974. Up to 360 conditions per place. [2021-03-26 10:38:27,099 INFO L132 encePairwiseOnDemand]: 169/180 looper letters, 42 selfloop transitions, 30 changer transitions 1/83 dead transitions. [2021-03-26 10:38:27,099 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 83 transitions, 1020 flow [2021-03-26 10:38:27,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 10:38:27,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 10:38:27,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 614 transitions. [2021-03-26 10:38:27,103 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6822222222222222 [2021-03-26 10:38:27,103 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 614 transitions. [2021-03-26 10:38:27,103 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 614 transitions. [2021-03-26 10:38:27,103 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:38:27,104 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 614 transitions. [2021-03-26 10:38:27,105 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 122.8) internal successors, (614), 5 states have internal predecessors, (614), 0 states have call successors, (0), 0 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 10:38:27,106 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 180.0) internal successors, (1080), 6 states have internal predecessors, (1080), 0 states have call successors, (0), 0 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 10:38:27,106 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 180.0) internal successors, (1080), 6 states have internal predecessors, (1080), 0 states have call successors, (0), 0 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 10:38:27,107 INFO L185 Difference]: Start difference. First operand has 74 places, 72 transitions, 744 flow. Second operand 5 states and 614 transitions. [2021-03-26 10:38:27,107 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 83 transitions, 1020 flow [2021-03-26 10:38:27,116 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 83 transitions, 936 flow, removed 22 selfloop flow, removed 3 redundant places. [2021-03-26 10:38:27,118 INFO L241 Difference]: Finished difference. Result has 76 places, 77 transitions, 830 flow [2021-03-26 10:38:27,118 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=180, PETRI_DIFFERENCE_MINUEND_FLOW=670, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=830, PETRI_PLACES=76, PETRI_TRANSITIONS=77} [2021-03-26 10:38:27,118 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 27 predicate places. [2021-03-26 10:38:27,118 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:38:27,118 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 76 places, 77 transitions, 830 flow [2021-03-26 10:38:27,119 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 76 places, 77 transitions, 830 flow [2021-03-26 10:38:27,119 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 76 places, 77 transitions, 830 flow [2021-03-26 10:38:27,185 INFO L129 PetriNetUnfolder]: 135/388 cut-off events. [2021-03-26 10:38:27,186 INFO L130 PetriNetUnfolder]: For 2336/2515 co-relation queries the response was YES. [2021-03-26 10:38:27,187 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2068 conditions, 388 events. 135/388 cut-off events. For 2336/2515 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 2377 event pairs, 30 based on Foata normal form. 15/383 useless extension candidates. Maximal degree in co-relation 2038. Up to 194 conditions per place. [2021-03-26 10:38:27,191 INFO L142 LiptonReduction]: Number of co-enabled transitions 450 [2021-03-26 10:38:28,145 WARN L205 SmtUtils]: Spent 944.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 178 [2021-03-26 10:38:28,514 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2021-03-26 10:38:30,215 WARN L205 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 302 DAG size of output: 258 [2021-03-26 10:38:30,972 WARN L205 SmtUtils]: Spent 755.00 ms on a formula simplification that was a NOOP. DAG size: 255 [2021-03-26 10:38:31,848 WARN L205 SmtUtils]: Spent 872.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 178 [2021-03-26 10:38:32,254 WARN L205 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2021-03-26 10:38:33,966 WARN L205 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 302 DAG size of output: 258 [2021-03-26 10:38:34,760 WARN L205 SmtUtils]: Spent 792.00 ms on a formula simplification that was a NOOP. DAG size: 255 [2021-03-26 10:38:34,790 INFO L154 LiptonReduction]: Checked pairs total: 1106 [2021-03-26 10:38:34,790 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 10:38:34,790 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 7672 [2021-03-26 10:38:34,790 INFO L480 AbstractCegarLoop]: Abstraction has has 76 places, 77 transitions, 834 flow [2021-03-26 10:38:34,791 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 117.875) internal successors, (943), 8 states have internal predecessors, (943), 0 states have call successors, (0), 0 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 10:38:34,791 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:38:34,791 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:38:34,791 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-26 10:38:34,791 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:38:34,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:38:34,792 INFO L82 PathProgramCache]: Analyzing trace with hash -132693595, now seen corresponding path program 1 times [2021-03-26 10:38:34,792 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:38:34,792 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221492131] [2021-03-26 10:38:34,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:38:34,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:38:34,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:38:34,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 10:38:34,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:38:34,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 10:38:34,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:38:34,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 10:38:34,910 INFO L142 QuantifierPusher]: treesize reduction 10, result has 84.8 percent of original size [2021-03-26 10:38:34,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 10:38:34,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:38:34,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 10:38:34,980 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 10:38:34,980 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221492131] [2021-03-26 10:38:34,981 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:38:34,981 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 10:38:34,981 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345096767] [2021-03-26 10:38:34,981 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 10:38:34,981 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:38:34,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 10:38:34,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-03-26 10:38:34,982 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 120 out of 182 [2021-03-26 10:38:34,983 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 77 transitions, 834 flow. Second operand has 6 states, 6 states have (on average 121.0) internal successors, (726), 6 states have internal predecessors, (726), 0 states have call successors, (0), 0 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 10:38:34,983 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:38:34,983 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 120 of 182 [2021-03-26 10:38:34,983 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:38:35,409 INFO L129 PetriNetUnfolder]: 221/482 cut-off events. [2021-03-26 10:38:35,409 INFO L130 PetriNetUnfolder]: For 4031/4650 co-relation queries the response was YES. [2021-03-26 10:38:35,412 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2991 conditions, 482 events. 221/482 cut-off events. For 4031/4650 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 2710 event pairs, 69 based on Foata normal form. 70/540 useless extension candidates. Maximal degree in co-relation 2959. Up to 335 conditions per place. [2021-03-26 10:38:35,415 INFO L132 encePairwiseOnDemand]: 170/182 looper letters, 42 selfloop transitions, 35 changer transitions 2/89 dead transitions. [2021-03-26 10:38:35,415 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 89 transitions, 1144 flow [2021-03-26 10:38:35,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 10:38:35,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 10:38:35,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 755 transitions. [2021-03-26 10:38:35,418 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6913919413919414 [2021-03-26 10:38:35,418 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 755 transitions. [2021-03-26 10:38:35,419 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 755 transitions. [2021-03-26 10:38:35,419 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:38:35,419 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 755 transitions. [2021-03-26 10:38:35,420 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 125.83333333333333) internal successors, (755), 6 states have internal predecessors, (755), 0 states have call successors, (0), 0 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 10:38:35,423 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 182.0) internal successors, (1274), 7 states have internal predecessors, (1274), 0 states have call successors, (0), 0 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 10:38:35,423 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 182.0) internal successors, (1274), 7 states have internal predecessors, (1274), 0 states have call successors, (0), 0 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 10:38:35,423 INFO L185 Difference]: Start difference. First operand has 76 places, 77 transitions, 834 flow. Second operand 6 states and 755 transitions. [2021-03-26 10:38:35,423 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 89 transitions, 1144 flow [2021-03-26 10:38:35,431 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 89 transitions, 1097 flow, removed 5 selfloop flow, removed 3 redundant places. [2021-03-26 10:38:35,436 INFO L241 Difference]: Finished difference. Result has 79 places, 80 transitions, 946 flow [2021-03-26 10:38:35,436 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=182, PETRI_DIFFERENCE_MINUEND_FLOW=794, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=31, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=946, PETRI_PLACES=79, PETRI_TRANSITIONS=80} [2021-03-26 10:38:35,436 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 30 predicate places. [2021-03-26 10:38:35,436 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:38:35,436 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 80 transitions, 946 flow [2021-03-26 10:38:35,436 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 80 transitions, 946 flow [2021-03-26 10:38:35,437 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 78 places, 80 transitions, 946 flow [2021-03-26 10:38:35,494 INFO L129 PetriNetUnfolder]: 128/357 cut-off events. [2021-03-26 10:38:35,495 INFO L130 PetriNetUnfolder]: For 2739/2983 co-relation queries the response was YES. [2021-03-26 10:38:35,496 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2031 conditions, 357 events. 128/357 cut-off events. For 2739/2983 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 2151 event pairs, 27 based on Foata normal form. 15/354 useless extension candidates. Maximal degree in co-relation 2000. Up to 174 conditions per place. [2021-03-26 10:38:35,500 INFO L142 LiptonReduction]: Number of co-enabled transitions 448 [2021-03-26 10:38:36,469 WARN L205 SmtUtils]: Spent 961.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 177 [2021-03-26 10:38:36,892 WARN L205 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2021-03-26 10:38:39,089 WARN L205 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 302 DAG size of output: 258 [2021-03-26 10:38:39,995 WARN L205 SmtUtils]: Spent 904.00 ms on a formula simplification that was a NOOP. DAG size: 255 [2021-03-26 10:38:40,021 INFO L154 LiptonReduction]: Checked pairs total: 1100 [2021-03-26 10:38:40,021 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 10:38:40,021 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4585 [2021-03-26 10:38:40,022 INFO L480 AbstractCegarLoop]: Abstraction has has 78 places, 80 transitions, 948 flow [2021-03-26 10:38:40,022 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 121.0) internal successors, (726), 6 states have internal predecessors, (726), 0 states have call successors, (0), 0 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 10:38:40,022 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:38:40,022 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:38:40,022 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-26 10:38:40,022 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:38:40,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:38:40,023 INFO L82 PathProgramCache]: Analyzing trace with hash 1736021075, now seen corresponding path program 1 times [2021-03-26 10:38:40,023 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:38:40,023 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53835205] [2021-03-26 10:38:40,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:38:40,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:38:40,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:38:40,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:38:40,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:38:40,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:38:40,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:38:40,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:38:40,083 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 10:38:40,083 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53835205] [2021-03-26 10:38:40,083 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:38:40,083 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:38:40,084 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518162569] [2021-03-26 10:38:40,084 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:38:40,084 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:38:40,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:38:40,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:38:40,085 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 183 [2021-03-26 10:38:40,086 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 80 transitions, 948 flow. Second operand has 4 states, 4 states have (on average 156.75) internal successors, (627), 4 states have internal predecessors, (627), 0 states have call successors, (0), 0 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 10:38:40,086 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:38:40,086 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 183 [2021-03-26 10:38:40,086 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:38:40,201 INFO L129 PetriNetUnfolder]: 191/463 cut-off events. [2021-03-26 10:38:40,201 INFO L130 PetriNetUnfolder]: For 4265/4527 co-relation queries the response was YES. [2021-03-26 10:38:40,204 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2212 conditions, 463 events. 191/463 cut-off events. For 4265/4527 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 2856 event pairs, 71 based on Foata normal form. 92/515 useless extension candidates. Maximal degree in co-relation 2179. Up to 213 conditions per place. [2021-03-26 10:38:40,207 INFO L132 encePairwiseOnDemand]: 177/183 looper letters, 11 selfloop transitions, 8 changer transitions 0/67 dead transitions. [2021-03-26 10:38:40,207 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 67 transitions, 704 flow [2021-03-26 10:38:40,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 10:38:40,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 10:38:40,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 798 transitions. [2021-03-26 10:38:40,211 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8721311475409836 [2021-03-26 10:38:40,211 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 798 transitions. [2021-03-26 10:38:40,211 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 798 transitions. [2021-03-26 10:38:40,211 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:38:40,211 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 798 transitions. [2021-03-26 10:38:40,213 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 159.6) internal successors, (798), 5 states have internal predecessors, (798), 0 states have call successors, (0), 0 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 10:38:40,214 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 183.0) internal successors, (1098), 6 states have internal predecessors, (1098), 0 states have call successors, (0), 0 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 10:38:40,214 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 183.0) internal successors, (1098), 6 states have internal predecessors, (1098), 0 states have call successors, (0), 0 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 10:38:40,215 INFO L185 Difference]: Start difference. First operand has 78 places, 80 transitions, 948 flow. Second operand 5 states and 798 transitions. [2021-03-26 10:38:40,215 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 67 transitions, 704 flow [2021-03-26 10:38:40,222 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 67 transitions, 643 flow, removed 7 selfloop flow, removed 8 redundant places. [2021-03-26 10:38:40,223 INFO L241 Difference]: Finished difference. Result has 76 places, 64 transitions, 657 flow [2021-03-26 10:38:40,223 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=183, PETRI_DIFFERENCE_MINUEND_FLOW=585, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=657, PETRI_PLACES=76, PETRI_TRANSITIONS=64} [2021-03-26 10:38:40,224 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 27 predicate places. [2021-03-26 10:38:40,224 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:38:40,224 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 76 places, 64 transitions, 657 flow [2021-03-26 10:38:40,224 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 76 places, 64 transitions, 657 flow [2021-03-26 10:38:40,225 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 76 places, 64 transitions, 657 flow [2021-03-26 10:38:40,286 INFO L129 PetriNetUnfolder]: 208/496 cut-off events. [2021-03-26 10:38:40,286 INFO L130 PetriNetUnfolder]: For 3648/3900 co-relation queries the response was YES. [2021-03-26 10:38:40,289 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2463 conditions, 496 events. 208/496 cut-off events. For 3648/3900 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 3111 event pairs, 76 based on Foata normal form. 29/487 useless extension candidates. Maximal degree in co-relation 2431. Up to 237 conditions per place. [2021-03-26 10:38:40,293 INFO L142 LiptonReduction]: Number of co-enabled transitions 504 [2021-03-26 10:38:40,558 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 66 [2021-03-26 10:38:40,974 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 85 [2021-03-26 10:38:41,060 INFO L154 LiptonReduction]: Checked pairs total: 50 [2021-03-26 10:38:41,060 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 10:38:41,060 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 836 [2021-03-26 10:38:41,061 INFO L480 AbstractCegarLoop]: Abstraction has has 76 places, 62 transitions, 641 flow [2021-03-26 10:38:41,061 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 156.75) internal successors, (627), 4 states have internal predecessors, (627), 0 states have call successors, (0), 0 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 10:38:41,061 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:38:41,061 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:38:41,061 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-26 10:38:41,062 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:38:41,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:38:41,062 INFO L82 PathProgramCache]: Analyzing trace with hash -1662633215, now seen corresponding path program 1 times [2021-03-26 10:38:41,062 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:38:41,062 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595821392] [2021-03-26 10:38:41,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:38:41,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:38:41,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:38:41,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:38:41,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:38:41,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:38:41,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:38:41,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:38:41,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:38:41,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:38:41,152 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 10:38:41,152 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595821392] [2021-03-26 10:38:41,152 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:38:41,152 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 10:38:41,152 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126018312] [2021-03-26 10:38:41,152 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 10:38:41,152 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:38:41,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 10:38:41,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 10:38:41,153 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 184 [2021-03-26 10:38:41,154 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 62 transitions, 641 flow. Second operand has 5 states, 5 states have (on average 157.8) internal successors, (789), 5 states have internal predecessors, (789), 0 states have call successors, (0), 0 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 10:38:41,154 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:38:41,154 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 184 [2021-03-26 10:38:41,154 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:38:41,275 INFO L129 PetriNetUnfolder]: 101/318 cut-off events. [2021-03-26 10:38:41,275 INFO L130 PetriNetUnfolder]: For 2590/3192 co-relation queries the response was YES. [2021-03-26 10:38:41,276 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1597 conditions, 318 events. 101/318 cut-off events. For 2590/3192 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 1983 event pairs, 18 based on Foata normal form. 175/463 useless extension candidates. Maximal degree in co-relation 1563. Up to 164 conditions per place. [2021-03-26 10:38:41,278 INFO L132 encePairwiseOnDemand]: 178/184 looper letters, 5 selfloop transitions, 15 changer transitions 3/69 dead transitions. [2021-03-26 10:38:41,278 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 69 transitions, 709 flow [2021-03-26 10:38:41,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 10:38:41,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 10:38:41,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1124 transitions. [2021-03-26 10:38:41,282 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8726708074534162 [2021-03-26 10:38:41,282 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1124 transitions. [2021-03-26 10:38:41,282 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1124 transitions. [2021-03-26 10:38:41,282 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:38:41,282 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1124 transitions. [2021-03-26 10:38:41,285 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 160.57142857142858) internal successors, (1124), 7 states have internal predecessors, (1124), 0 states have call successors, (0), 0 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 10:38:41,287 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 184.0) internal successors, (1472), 8 states have internal predecessors, (1472), 0 states have call successors, (0), 0 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 10:38:41,287 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 184.0) internal successors, (1472), 8 states have internal predecessors, (1472), 0 states have call successors, (0), 0 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 10:38:41,287 INFO L185 Difference]: Start difference. First operand has 76 places, 62 transitions, 641 flow. Second operand 7 states and 1124 transitions. [2021-03-26 10:38:41,287 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 69 transitions, 709 flow [2021-03-26 10:38:41,292 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 69 transitions, 695 flow, removed 4 selfloop flow, removed 2 redundant places. [2021-03-26 10:38:41,294 INFO L241 Difference]: Finished difference. Result has 82 places, 66 transitions, 690 flow [2021-03-26 10:38:41,294 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=184, PETRI_DIFFERENCE_MINUEND_FLOW=591, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=690, PETRI_PLACES=82, PETRI_TRANSITIONS=66} [2021-03-26 10:38:41,294 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 33 predicate places. [2021-03-26 10:38:41,294 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:38:41,294 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 82 places, 66 transitions, 690 flow [2021-03-26 10:38:41,294 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 82 places, 66 transitions, 690 flow [2021-03-26 10:38:41,296 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 82 places, 66 transitions, 690 flow [2021-03-26 10:38:41,335 INFO L129 PetriNetUnfolder]: 100/327 cut-off events. [2021-03-26 10:38:41,336 INFO L130 PetriNetUnfolder]: For 2295/2478 co-relation queries the response was YES. [2021-03-26 10:38:41,338 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1738 conditions, 327 events. 100/327 cut-off events. For 2295/2478 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 2191 event pairs, 14 based on Foata normal form. 16/327 useless extension candidates. Maximal degree in co-relation 1702. Up to 170 conditions per place. [2021-03-26 10:38:41,345 INFO L142 LiptonReduction]: Number of co-enabled transitions 552 [2021-03-26 10:38:41,355 INFO L154 LiptonReduction]: Checked pairs total: 99 [2021-03-26 10:38:41,356 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 10:38:41,356 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 62 [2021-03-26 10:38:41,356 INFO L480 AbstractCegarLoop]: Abstraction has has 82 places, 64 transitions, 674 flow [2021-03-26 10:38:41,368 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 157.8) internal successors, (789), 5 states have internal predecessors, (789), 0 states have call successors, (0), 0 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 10:38:41,369 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:38:41,369 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:38:41,369 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-26 10:38:41,369 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:38:41,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:38:41,369 INFO L82 PathProgramCache]: Analyzing trace with hash 1686873658, now seen corresponding path program 1 times [2021-03-26 10:38:41,369 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:38:41,369 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253245860] [2021-03-26 10:38:41,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:38:41,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:38:41,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:38:41,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:38:41,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:38:41,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:38:41,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:38:41,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:38:41,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:38:41,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:38:41,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:38:41,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:38:41,455 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 10:38:41,455 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253245860] [2021-03-26 10:38:41,455 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:38:41,455 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 10:38:41,455 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834026564] [2021-03-26 10:38:41,455 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 10:38:41,455 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:38:41,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 10:38:41,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-26 10:38:41,457 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 184 [2021-03-26 10:38:41,458 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 64 transitions, 674 flow. Second operand has 6 states, 6 states have (on average 157.83333333333334) internal successors, (947), 6 states have internal predecessors, (947), 0 states have call successors, (0), 0 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 10:38:41,458 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:38:41,458 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 184 [2021-03-26 10:38:41,458 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:38:41,556 INFO L129 PetriNetUnfolder]: 49/170 cut-off events. [2021-03-26 10:38:41,556 INFO L130 PetriNetUnfolder]: For 1472/1614 co-relation queries the response was YES. [2021-03-26 10:38:41,557 INFO L84 FinitePrefix]: Finished finitePrefix Result has 940 conditions, 170 events. 49/170 cut-off events. For 1472/1614 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 820 event pairs, 6 based on Foata normal form. 53/217 useless extension candidates. Maximal degree in co-relation 902. Up to 73 conditions per place. [2021-03-26 10:38:41,558 INFO L132 encePairwiseOnDemand]: 178/184 looper letters, 2 selfloop transitions, 11 changer transitions 5/62 dead transitions. [2021-03-26 10:38:41,558 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 62 transitions, 679 flow [2021-03-26 10:38:41,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 10:38:41,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 10:38:41,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1117 transitions. [2021-03-26 10:38:41,562 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8672360248447205 [2021-03-26 10:38:41,563 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1117 transitions. [2021-03-26 10:38:41,563 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1117 transitions. [2021-03-26 10:38:41,563 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:38:41,563 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1117 transitions. [2021-03-26 10:38:41,565 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 159.57142857142858) internal successors, (1117), 7 states have internal predecessors, (1117), 0 states have call successors, (0), 0 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 10:38:41,567 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 184.0) internal successors, (1472), 8 states have internal predecessors, (1472), 0 states have call successors, (0), 0 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 10:38:41,567 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 184.0) internal successors, (1472), 8 states have internal predecessors, (1472), 0 states have call successors, (0), 0 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 10:38:41,567 INFO L185 Difference]: Start difference. First operand has 82 places, 64 transitions, 674 flow. Second operand 7 states and 1117 transitions. [2021-03-26 10:38:41,568 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 62 transitions, 679 flow [2021-03-26 10:38:41,573 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 62 transitions, 598 flow, removed 27 selfloop flow, removed 10 redundant places. [2021-03-26 10:38:41,575 INFO L241 Difference]: Finished difference. Result has 76 places, 57 transitions, 550 flow [2021-03-26 10:38:41,575 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=184, PETRI_DIFFERENCE_MINUEND_FLOW=536, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=550, PETRI_PLACES=76, PETRI_TRANSITIONS=57} [2021-03-26 10:38:41,575 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 27 predicate places. [2021-03-26 10:38:41,575 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:38:41,575 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 76 places, 57 transitions, 550 flow [2021-03-26 10:38:41,575 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 76 places, 57 transitions, 550 flow [2021-03-26 10:38:41,576 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 74 places, 57 transitions, 550 flow [2021-03-26 10:38:41,595 INFO L129 PetriNetUnfolder]: 37/127 cut-off events. [2021-03-26 10:38:41,595 INFO L130 PetriNetUnfolder]: For 527/562 co-relation queries the response was YES. [2021-03-26 10:38:41,596 INFO L84 FinitePrefix]: Finished finitePrefix Result has 636 conditions, 127 events. 37/127 cut-off events. For 527/562 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 576 event pairs, 2 based on Foata normal form. 1/123 useless extension candidates. Maximal degree in co-relation 611. Up to 48 conditions per place. [2021-03-26 10:38:41,597 INFO L142 LiptonReduction]: Number of co-enabled transitions 298 [2021-03-26 10:38:41,735 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-03-26 10:38:41,851 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-03-26 10:38:42,060 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-03-26 10:38:42,270 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-03-26 10:38:43,310 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 218 DAG size of output: 178 [2021-03-26 10:38:43,786 WARN L205 SmtUtils]: Spent 474.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2021-03-26 10:38:45,891 WARN L205 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 302 DAG size of output: 258 [2021-03-26 10:38:46,817 WARN L205 SmtUtils]: Spent 924.00 ms on a formula simplification that was a NOOP. DAG size: 255 [2021-03-26 10:38:47,943 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 247 DAG size of output: 194 [2021-03-26 10:38:48,346 WARN L205 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2021-03-26 10:38:51,839 WARN L205 SmtUtils]: Spent 3.49 s on a formula simplification. DAG size of input: 349 DAG size of output: 274 [2021-03-26 10:38:52,742 WARN L205 SmtUtils]: Spent 900.00 ms on a formula simplification that was a NOOP. DAG size: 254 [2021-03-26 10:38:52,747 INFO L154 LiptonReduction]: Checked pairs total: 71 [2021-03-26 10:38:52,747 INFO L156 LiptonReduction]: Total number of compositions: 4 [2021-03-26 10:38:52,747 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 11172 [2021-03-26 10:38:52,747 INFO L480 AbstractCegarLoop]: Abstraction has has 70 places, 53 transitions, 534 flow [2021-03-26 10:38:52,748 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 157.83333333333334) internal successors, (947), 6 states have internal predecessors, (947), 0 states have call successors, (0), 0 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 10:38:52,748 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:38:52,748 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:38:52,748 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-03-26 10:38:52,748 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:38:52,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:38:52,748 INFO L82 PathProgramCache]: Analyzing trace with hash -668181484, now seen corresponding path program 1 times [2021-03-26 10:38:52,748 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:38:52,749 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438850387] [2021-03-26 10:38:52,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:38:52,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:38:52,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:38:52,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:38:52,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:38:52,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 10:38:52,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:38:52,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:38:52,883 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 10:38:52,883 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438850387] [2021-03-26 10:38:52,885 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:38:52,885 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:38:52,885 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57610020] [2021-03-26 10:38:52,886 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:38:52,886 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:38:52,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:38:52,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:38:52,888 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 187 [2021-03-26 10:38:52,888 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 53 transitions, 534 flow. Second operand has 4 states, 4 states have (on average 135.25) internal successors, (541), 4 states have internal predecessors, (541), 0 states have call successors, (0), 0 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 10:38:52,888 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:38:52,888 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 187 [2021-03-26 10:38:52,888 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:38:53,062 INFO L129 PetriNetUnfolder]: 62/165 cut-off events. [2021-03-26 10:38:53,062 INFO L130 PetriNetUnfolder]: For 1155/1312 co-relation queries the response was YES. [2021-03-26 10:38:53,063 INFO L84 FinitePrefix]: Finished finitePrefix Result has 923 conditions, 165 events. 62/165 cut-off events. For 1155/1312 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 727 event pairs, 6 based on Foata normal form. 25/188 useless extension candidates. Maximal degree in co-relation 890. Up to 93 conditions per place. [2021-03-26 10:38:53,064 INFO L132 encePairwiseOnDemand]: 182/187 looper letters, 38 selfloop transitions, 2 changer transitions 5/59 dead transitions. [2021-03-26 10:38:53,064 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 59 transitions, 677 flow [2021-03-26 10:38:53,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 10:38:53,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 10:38:53,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 688 transitions. [2021-03-26 10:38:53,069 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7358288770053476 [2021-03-26 10:38:53,069 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 688 transitions. [2021-03-26 10:38:53,069 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 688 transitions. [2021-03-26 10:38:53,069 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:38:53,070 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 688 transitions. [2021-03-26 10:38:53,071 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 137.6) internal successors, (688), 5 states have internal predecessors, (688), 0 states have call successors, (0), 0 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 10:38:53,072 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 187.0) internal successors, (1122), 6 states have internal predecessors, (1122), 0 states have call successors, (0), 0 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 10:38:53,072 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 187.0) internal successors, (1122), 6 states have internal predecessors, (1122), 0 states have call successors, (0), 0 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 10:38:53,072 INFO L185 Difference]: Start difference. First operand has 70 places, 53 transitions, 534 flow. Second operand 5 states and 688 transitions. [2021-03-26 10:38:53,072 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 59 transitions, 677 flow [2021-03-26 10:38:53,078 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 59 transitions, 626 flow, removed 13 selfloop flow, removed 9 redundant places. [2021-03-26 10:38:53,079 INFO L241 Difference]: Finished difference. Result has 68 places, 54 transitions, 509 flow [2021-03-26 10:38:53,079 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=187, PETRI_DIFFERENCE_MINUEND_FLOW=483, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=509, PETRI_PLACES=68, PETRI_TRANSITIONS=54} [2021-03-26 10:38:53,080 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 19 predicate places. [2021-03-26 10:38:53,080 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:38:53,080 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 68 places, 54 transitions, 509 flow [2021-03-26 10:38:53,080 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 68 places, 54 transitions, 509 flow [2021-03-26 10:38:53,080 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 66 places, 54 transitions, 509 flow [2021-03-26 10:38:53,097 INFO L129 PetriNetUnfolder]: 37/117 cut-off events. [2021-03-26 10:38:53,097 INFO L130 PetriNetUnfolder]: For 537/571 co-relation queries the response was YES. [2021-03-26 10:38:53,098 INFO L84 FinitePrefix]: Finished finitePrefix Result has 583 conditions, 117 events. 37/117 cut-off events. For 537/571 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 501 event pairs, 1 based on Foata normal form. 4/119 useless extension candidates. Maximal degree in co-relation 555. Up to 49 conditions per place. [2021-03-26 10:38:53,099 INFO L142 LiptonReduction]: Number of co-enabled transitions 244 [2021-03-26 10:38:53,101 INFO L154 LiptonReduction]: Checked pairs total: 13 [2021-03-26 10:38:53,101 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:38:53,101 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 21 [2021-03-26 10:38:53,102 INFO L480 AbstractCegarLoop]: Abstraction has has 66 places, 54 transitions, 509 flow [2021-03-26 10:38:53,103 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 135.25) internal successors, (541), 4 states have internal predecessors, (541), 0 states have call successors, (0), 0 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 10:38:53,103 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:38:53,103 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:38:53,103 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-03-26 10:38:53,103 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:38:53,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:38:53,104 INFO L82 PathProgramCache]: Analyzing trace with hash 2080304829, now seen corresponding path program 1 times [2021-03-26 10:38:53,104 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:38:53,104 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748087342] [2021-03-26 10:38:53,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:38:53,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:38:53,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:38:53,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:38:53,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:38:53,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:38:53,205 INFO L142 QuantifierPusher]: treesize reduction 29, result has 42.0 percent of original size [2021-03-26 10:38:53,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 10:38:53,217 INFO L142 QuantifierPusher]: treesize reduction 34, result has 62.6 percent of original size [2021-03-26 10:38:53,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-26 10:38:53,303 INFO L142 QuantifierPusher]: treesize reduction 26, result has 54.4 percent of original size [2021-03-26 10:38:53,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 10:38:53,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:38:53,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:38:53,358 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 10:38:53,358 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748087342] [2021-03-26 10:38:53,358 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:38:53,358 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 10:38:53,358 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285418672] [2021-03-26 10:38:53,359 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 10:38:53,359 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:38:53,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 10:38:53,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-03-26 10:38:53,360 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 187 [2021-03-26 10:38:53,361 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 54 transitions, 509 flow. Second operand has 6 states, 6 states have (on average 127.33333333333333) internal successors, (764), 6 states have internal predecessors, (764), 0 states have call successors, (0), 0 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 10:38:53,361 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:38:53,361 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 187 [2021-03-26 10:38:53,361 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:38:53,670 INFO L129 PetriNetUnfolder]: 58/157 cut-off events. [2021-03-26 10:38:53,670 INFO L130 PetriNetUnfolder]: For 948/1100 co-relation queries the response was YES. [2021-03-26 10:38:53,671 INFO L84 FinitePrefix]: Finished finitePrefix Result has 840 conditions, 157 events. 58/157 cut-off events. For 948/1100 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 671 event pairs, 6 based on Foata normal form. 23/178 useless extension candidates. Maximal degree in co-relation 810. Up to 91 conditions per place. [2021-03-26 10:38:53,672 INFO L132 encePairwiseOnDemand]: 182/187 looper letters, 37 selfloop transitions, 1 changer transitions 4/56 dead transitions. [2021-03-26 10:38:53,672 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 56 transitions, 616 flow [2021-03-26 10:38:53,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 10:38:53,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 10:38:53,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 776 transitions. [2021-03-26 10:38:53,677 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6916221033868093 [2021-03-26 10:38:53,677 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 776 transitions. [2021-03-26 10:38:53,677 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 776 transitions. [2021-03-26 10:38:53,677 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:38:53,677 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 776 transitions. [2021-03-26 10:38:53,679 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 129.33333333333334) internal successors, (776), 6 states have internal predecessors, (776), 0 states have call successors, (0), 0 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 10:38:53,680 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 187.0) internal successors, (1309), 7 states have internal predecessors, (1309), 0 states have call successors, (0), 0 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 10:38:53,680 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 187.0) internal successors, (1309), 7 states have internal predecessors, (1309), 0 states have call successors, (0), 0 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 10:38:53,680 INFO L185 Difference]: Start difference. First operand has 66 places, 54 transitions, 509 flow. Second operand 6 states and 776 transitions. [2021-03-26 10:38:53,680 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 56 transitions, 616 flow [2021-03-26 10:38:53,684 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 56 transitions, 598 flow, removed 8 selfloop flow, removed 3 redundant places. [2021-03-26 10:38:53,685 INFO L241 Difference]: Finished difference. Result has 71 places, 52 transitions, 484 flow [2021-03-26 10:38:53,685 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=187, PETRI_DIFFERENCE_MINUEND_FLOW=493, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=484, PETRI_PLACES=71, PETRI_TRANSITIONS=52} [2021-03-26 10:38:53,685 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 22 predicate places. [2021-03-26 10:38:53,685 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:38:53,686 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 71 places, 52 transitions, 484 flow [2021-03-26 10:38:53,686 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 71 places, 52 transitions, 484 flow [2021-03-26 10:38:53,686 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 67 places, 52 transitions, 484 flow [2021-03-26 10:38:53,703 INFO L129 PetriNetUnfolder]: 35/110 cut-off events. [2021-03-26 10:38:53,703 INFO L130 PetriNetUnfolder]: For 502/533 co-relation queries the response was YES. [2021-03-26 10:38:53,703 INFO L84 FinitePrefix]: Finished finitePrefix Result has 546 conditions, 110 events. 35/110 cut-off events. For 502/533 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 452 event pairs, 1 based on Foata normal form. 4/112 useless extension candidates. Maximal degree in co-relation 519. Up to 46 conditions per place. [2021-03-26 10:38:53,704 INFO L142 LiptonReduction]: Number of co-enabled transitions 232 [2021-03-26 10:38:53,706 INFO L154 LiptonReduction]: Checked pairs total: 13 [2021-03-26 10:38:53,706 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:38:53,706 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 21 [2021-03-26 10:38:53,707 INFO L480 AbstractCegarLoop]: Abstraction has has 67 places, 52 transitions, 484 flow [2021-03-26 10:38:53,707 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 127.33333333333333) internal successors, (764), 6 states have internal predecessors, (764), 0 states have call successors, (0), 0 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 10:38:53,707 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:38:53,707 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:38:53,707 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-03-26 10:38:53,707 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:38:53,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:38:53,708 INFO L82 PathProgramCache]: Analyzing trace with hash 44818606, now seen corresponding path program 1 times [2021-03-26 10:38:53,708 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:38:53,708 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270609715] [2021-03-26 10:38:53,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:38:53,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:38:53,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:38:53,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 10:38:53,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:38:53,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 10:38:53,867 INFO L142 QuantifierPusher]: treesize reduction 10, result has 87.5 percent of original size [2021-03-26 10:38:53,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-03-26 10:38:53,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:38:53,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 10:38:53,971 INFO L142 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size [2021-03-26 10:38:53,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 10:38:53,996 INFO L142 QuantifierPusher]: treesize reduction 4, result has 50.0 percent of original size [2021-03-26 10:38:53,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 10:38:54,011 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 10:38:54,012 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270609715] [2021-03-26 10:38:54,012 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:38:54,012 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 10:38:54,012 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574229668] [2021-03-26 10:38:54,012 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 10:38:54,012 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:38:54,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 10:38:54,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-03-26 10:38:54,014 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 187 [2021-03-26 10:38:54,014 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 52 transitions, 484 flow. Second operand has 8 states, 8 states have (on average 115.0) internal successors, (920), 8 states have internal predecessors, (920), 0 states have call successors, (0), 0 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 10:38:54,015 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:38:54,015 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 187 [2021-03-26 10:38:54,015 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:38:54,548 INFO L129 PetriNetUnfolder]: 71/196 cut-off events. [2021-03-26 10:38:54,548 INFO L130 PetriNetUnfolder]: For 1138/1306 co-relation queries the response was YES. [2021-03-26 10:38:54,549 INFO L84 FinitePrefix]: Finished finitePrefix Result has 997 conditions, 196 events. 71/196 cut-off events. For 1138/1306 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 949 event pairs, 8 based on Foata normal form. 53/246 useless extension candidates. Maximal degree in co-relation 968. Up to 77 conditions per place. [2021-03-26 10:38:54,550 INFO L132 encePairwiseOnDemand]: 175/187 looper letters, 25 selfloop transitions, 13 changer transitions 15/67 dead transitions. [2021-03-26 10:38:54,550 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 67 transitions, 744 flow [2021-03-26 10:38:54,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 10:38:54,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 10:38:54,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 950 transitions. [2021-03-26 10:38:54,554 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6350267379679144 [2021-03-26 10:38:54,554 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 950 transitions. [2021-03-26 10:38:54,554 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 950 transitions. [2021-03-26 10:38:54,554 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:38:54,554 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 950 transitions. [2021-03-26 10:38:54,556 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 118.75) internal successors, (950), 8 states have internal predecessors, (950), 0 states have call successors, (0), 0 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 10:38:54,557 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 187.0) internal successors, (1683), 9 states have internal predecessors, (1683), 0 states have call successors, (0), 0 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 10:38:54,558 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 187.0) internal successors, (1683), 9 states have internal predecessors, (1683), 0 states have call successors, (0), 0 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 10:38:54,558 INFO L185 Difference]: Start difference. First operand has 67 places, 52 transitions, 484 flow. Second operand 8 states and 950 transitions. [2021-03-26 10:38:54,558 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 67 transitions, 744 flow [2021-03-26 10:38:54,561 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 67 transitions, 717 flow, removed 13 selfloop flow, removed 5 redundant places. [2021-03-26 10:38:54,563 INFO L241 Difference]: Finished difference. Result has 72 places, 52 transitions, 532 flow [2021-03-26 10:38:54,563 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=187, PETRI_DIFFERENCE_MINUEND_FLOW=473, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=532, PETRI_PLACES=72, PETRI_TRANSITIONS=52} [2021-03-26 10:38:54,563 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 23 predicate places. [2021-03-26 10:38:54,563 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:38:54,563 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 72 places, 52 transitions, 532 flow [2021-03-26 10:38:54,564 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 72 places, 52 transitions, 532 flow [2021-03-26 10:38:54,564 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 68 places, 52 transitions, 532 flow [2021-03-26 10:38:54,581 INFO L129 PetriNetUnfolder]: 35/108 cut-off events. [2021-03-26 10:38:54,581 INFO L130 PetriNetUnfolder]: For 559/594 co-relation queries the response was YES. [2021-03-26 10:38:54,582 INFO L84 FinitePrefix]: Finished finitePrefix Result has 562 conditions, 108 events. 35/108 cut-off events. For 559/594 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 410 event pairs, 5 based on Foata normal form. 8/115 useless extension candidates. Maximal degree in co-relation 535. Up to 45 conditions per place. [2021-03-26 10:38:54,583 INFO L142 LiptonReduction]: Number of co-enabled transitions 220 [2021-03-26 10:38:54,651 INFO L154 LiptonReduction]: Checked pairs total: 13 [2021-03-26 10:38:54,651 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:38:54,651 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 88 [2021-03-26 10:38:54,652 INFO L480 AbstractCegarLoop]: Abstraction has has 68 places, 52 transitions, 532 flow [2021-03-26 10:38:54,652 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 115.0) internal successors, (920), 8 states have internal predecessors, (920), 0 states have call successors, (0), 0 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 10:38:54,652 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:38:54,652 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:38:54,652 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-03-26 10:38:54,653 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:38:54,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:38:54,653 INFO L82 PathProgramCache]: Analyzing trace with hash -1139144924, now seen corresponding path program 1 times [2021-03-26 10:38:54,653 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:38:54,653 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752095096] [2021-03-26 10:38:54,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:38:54,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:38:54,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:38:54,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:38:54,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:38:54,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:38:54,774 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-03-26 10:38:54,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 10:38:54,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:38:54,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 10:38:54,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:38:54,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:38:54,847 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 10:38:54,847 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752095096] [2021-03-26 10:38:54,847 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:38:54,847 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 10:38:54,847 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394734328] [2021-03-26 10:38:54,848 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 10:38:54,848 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:38:54,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 10:38:54,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-26 10:38:54,849 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 124 out of 187 [2021-03-26 10:38:54,850 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 52 transitions, 532 flow. Second operand has 6 states, 6 states have (on average 125.5) internal successors, (753), 6 states have internal predecessors, (753), 0 states have call successors, (0), 0 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 10:38:54,850 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:38:54,850 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 187 [2021-03-26 10:38:54,850 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:38:55,181 INFO L129 PetriNetUnfolder]: 56/152 cut-off events. [2021-03-26 10:38:55,181 INFO L130 PetriNetUnfolder]: For 1034/1151 co-relation queries the response was YES. [2021-03-26 10:38:55,182 INFO L84 FinitePrefix]: Finished finitePrefix Result has 840 conditions, 152 events. 56/152 cut-off events. For 1034/1151 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 636 event pairs, 7 based on Foata normal form. 26/176 useless extension candidates. Maximal degree in co-relation 811. Up to 60 conditions per place. [2021-03-26 10:38:55,183 INFO L132 encePairwiseOnDemand]: 178/187 looper letters, 25 selfloop transitions, 16 changer transitions 7/62 dead transitions. [2021-03-26 10:38:55,183 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 62 transitions, 762 flow [2021-03-26 10:38:55,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 10:38:55,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 10:38:55,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 896 transitions. [2021-03-26 10:38:55,188 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6844919786096256 [2021-03-26 10:38:55,188 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 896 transitions. [2021-03-26 10:38:55,188 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 896 transitions. [2021-03-26 10:38:55,188 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:38:55,189 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 896 transitions. [2021-03-26 10:38:55,190 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 128.0) internal successors, (896), 7 states have internal predecessors, (896), 0 states have call successors, (0), 0 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 10:38:55,192 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 187.0) internal successors, (1496), 8 states have internal predecessors, (1496), 0 states have call successors, (0), 0 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 10:38:55,192 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 187.0) internal successors, (1496), 8 states have internal predecessors, (1496), 0 states have call successors, (0), 0 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 10:38:55,192 INFO L185 Difference]: Start difference. First operand has 68 places, 52 transitions, 532 flow. Second operand 7 states and 896 transitions. [2021-03-26 10:38:55,192 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 62 transitions, 762 flow [2021-03-26 10:38:55,196 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 62 transitions, 717 flow, removed 13 selfloop flow, removed 5 redundant places. [2021-03-26 10:38:55,197 INFO L241 Difference]: Finished difference. Result has 72 places, 52 transitions, 565 flow [2021-03-26 10:38:55,197 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=187, PETRI_DIFFERENCE_MINUEND_FLOW=497, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=565, PETRI_PLACES=72, PETRI_TRANSITIONS=52} [2021-03-26 10:38:55,197 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 23 predicate places. [2021-03-26 10:38:55,197 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:38:55,198 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 72 places, 52 transitions, 565 flow [2021-03-26 10:38:55,200 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 72 places, 52 transitions, 565 flow [2021-03-26 10:38:55,201 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 70 places, 52 transitions, 565 flow [2021-03-26 10:38:55,216 INFO L129 PetriNetUnfolder]: 32/108 cut-off events. [2021-03-26 10:38:55,217 INFO L130 PetriNetUnfolder]: For 616/646 co-relation queries the response was YES. [2021-03-26 10:38:55,217 INFO L84 FinitePrefix]: Finished finitePrefix Result has 566 conditions, 108 events. 32/108 cut-off events. For 616/646 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 433 event pairs, 2 based on Foata normal form. 3/110 useless extension candidates. Maximal degree in co-relation 537. Up to 41 conditions per place. [2021-03-26 10:38:55,218 INFO L142 LiptonReduction]: Number of co-enabled transitions 210 [2021-03-26 10:38:55,220 INFO L154 LiptonReduction]: Checked pairs total: 13 [2021-03-26 10:38:55,220 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:38:55,220 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 23 [2021-03-26 10:38:55,222 INFO L480 AbstractCegarLoop]: Abstraction has has 70 places, 52 transitions, 565 flow [2021-03-26 10:38:55,222 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 125.5) internal successors, (753), 6 states have internal predecessors, (753), 0 states have call successors, (0), 0 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 10:38:55,222 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:38:55,222 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:38:55,222 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-03-26 10:38:55,222 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:38:55,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:38:55,222 INFO L82 PathProgramCache]: Analyzing trace with hash 1668249350, now seen corresponding path program 2 times [2021-03-26 10:38:55,222 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:38:55,223 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733286707] [2021-03-26 10:38:55,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:38:55,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:38:55,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:38:55,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 10:38:55,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:38:55,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 10:38:55,389 INFO L142 QuantifierPusher]: treesize reduction 14, result has 80.0 percent of original size [2021-03-26 10:38:55,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-26 10:38:55,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:38:55,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 10:38:55,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:38:55,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 10:38:55,579 INFO L142 QuantifierPusher]: treesize reduction 3, result has 84.2 percent of original size [2021-03-26 10:38:55,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 10:38:55,604 INFO L142 QuantifierPusher]: treesize reduction 3, result has 75.0 percent of original size [2021-03-26 10:38:55,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:38:55,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:38:55,621 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733286707] [2021-03-26 10:38:55,621 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:38:55,621 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 10:38:55,621 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132975759] [2021-03-26 10:38:55,621 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 10:38:55,621 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:38:55,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 10:38:55,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-03-26 10:38:55,623 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 187 [2021-03-26 10:38:55,624 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 52 transitions, 565 flow. Second operand has 9 states, 9 states have (on average 114.0) internal successors, (1026), 9 states have internal predecessors, (1026), 0 states have call successors, (0), 0 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 10:38:55,624 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:38:55,624 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 187 [2021-03-26 10:38:55,624 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:38:56,178 INFO L129 PetriNetUnfolder]: 51/144 cut-off events. [2021-03-26 10:38:56,178 INFO L130 PetriNetUnfolder]: For 1109/1218 co-relation queries the response was YES. [2021-03-26 10:38:56,179 INFO L84 FinitePrefix]: Finished finitePrefix Result has 807 conditions, 144 events. 51/144 cut-off events. For 1109/1218 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 613 event pairs, 5 based on Foata normal form. 31/173 useless extension candidates. Maximal degree in co-relation 776. Up to 52 conditions per place. [2021-03-26 10:38:56,180 INFO L132 encePairwiseOnDemand]: 178/187 looper letters, 25 selfloop transitions, 10 changer transitions 6/55 dead transitions. [2021-03-26 10:38:56,180 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 55 transitions, 691 flow [2021-03-26 10:38:56,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 10:38:56,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 10:38:56,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 816 transitions. [2021-03-26 10:38:56,183 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6233766233766234 [2021-03-26 10:38:56,183 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 816 transitions. [2021-03-26 10:38:56,183 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 816 transitions. [2021-03-26 10:38:56,183 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:38:56,183 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 816 transitions. [2021-03-26 10:38:56,184 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 116.57142857142857) internal successors, (816), 7 states have internal predecessors, (816), 0 states have call successors, (0), 0 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 10:38:56,185 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 187.0) internal successors, (1496), 8 states have internal predecessors, (1496), 0 states have call successors, (0), 0 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 10:38:56,186 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 187.0) internal successors, (1496), 8 states have internal predecessors, (1496), 0 states have call successors, (0), 0 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 10:38:56,186 INFO L185 Difference]: Start difference. First operand has 70 places, 52 transitions, 565 flow. Second operand 7 states and 816 transitions. [2021-03-26 10:38:56,186 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 55 transitions, 691 flow [2021-03-26 10:38:56,190 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 55 transitions, 643 flow, removed 13 selfloop flow, removed 5 redundant places. [2021-03-26 10:38:56,191 INFO L241 Difference]: Finished difference. Result has 73 places, 47 transitions, 506 flow [2021-03-26 10:38:56,191 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=187, PETRI_DIFFERENCE_MINUEND_FLOW=525, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=506, PETRI_PLACES=73, PETRI_TRANSITIONS=47} [2021-03-26 10:38:56,191 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 24 predicate places. [2021-03-26 10:38:56,191 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:38:56,192 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 73 places, 47 transitions, 506 flow [2021-03-26 10:38:56,192 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 73 places, 47 transitions, 506 flow [2021-03-26 10:38:56,192 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 71 places, 47 transitions, 506 flow [2021-03-26 10:38:56,208 INFO L129 PetriNetUnfolder]: 32/101 cut-off events. [2021-03-26 10:38:56,208 INFO L130 PetriNetUnfolder]: For 555/563 co-relation queries the response was YES. [2021-03-26 10:38:56,209 INFO L84 FinitePrefix]: Finished finitePrefix Result has 520 conditions, 101 events. 32/101 cut-off events. For 555/563 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 419 event pairs, 4 based on Foata normal form. 1/100 useless extension candidates. Maximal degree in co-relation 491. Up to 37 conditions per place. [2021-03-26 10:38:56,210 INFO L142 LiptonReduction]: Number of co-enabled transitions 184 [2021-03-26 10:38:56,484 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 66 [2021-03-26 10:38:56,950 WARN L205 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 85 [2021-03-26 10:38:57,040 INFO L154 LiptonReduction]: Checked pairs total: 80 [2021-03-26 10:38:57,040 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 10:38:57,041 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 850 [2021-03-26 10:38:57,041 INFO L480 AbstractCegarLoop]: Abstraction has has 71 places, 47 transitions, 508 flow [2021-03-26 10:38:57,041 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 114.0) internal successors, (1026), 9 states have internal predecessors, (1026), 0 states have call successors, (0), 0 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 10:38:57,041 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:38:57,042 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 10:38:57,042 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-03-26 10:38:57,042 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:38:57,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:38:57,042 INFO L82 PathProgramCache]: Analyzing trace with hash -627601681, now seen corresponding path program 1 times [2021-03-26 10:38:57,042 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:38:57,042 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131198308] [2021-03-26 10:38:57,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:38:57,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:38:57,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:38:57,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 10:38:57,132 INFO L142 QuantifierPusher]: treesize reduction 4, result has 89.7 percent of original size [2021-03-26 10:38:57,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 10:38:57,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:38:57,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 10:38:57,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:38:57,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 10:38:57,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:38:57,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:38:57,245 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 10:38:57,246 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131198308] [2021-03-26 10:38:57,246 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:38:57,246 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 10:38:57,246 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409923789] [2021-03-26 10:38:57,246 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 10:38:57,246 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:38:57,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 10:38:57,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-03-26 10:38:57,248 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 188 [2021-03-26 10:38:57,248 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 47 transitions, 508 flow. Second operand has 7 states, 7 states have (on average 122.42857142857143) internal successors, (857), 7 states have internal predecessors, (857), 0 states have call successors, (0), 0 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 10:38:57,249 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:38:57,249 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 188 [2021-03-26 10:38:57,249 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:38:57,681 INFO L129 PetriNetUnfolder]: 61/171 cut-off events. [2021-03-26 10:38:57,681 INFO L130 PetriNetUnfolder]: For 1114/1210 co-relation queries the response was YES. [2021-03-26 10:38:57,682 INFO L84 FinitePrefix]: Finished finitePrefix Result has 899 conditions, 171 events. 61/171 cut-off events. For 1114/1210 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 757 event pairs, 5 based on Foata normal form. 31/199 useless extension candidates. Maximal degree in co-relation 868. Up to 55 conditions per place. [2021-03-26 10:38:57,683 INFO L132 encePairwiseOnDemand]: 180/188 looper letters, 24 selfloop transitions, 6 changer transitions 16/60 dead transitions. [2021-03-26 10:38:57,683 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 60 transitions, 734 flow [2021-03-26 10:38:57,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 10:38:57,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 10:38:57,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 757 transitions. [2021-03-26 10:38:57,687 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6710992907801419 [2021-03-26 10:38:57,687 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 757 transitions. [2021-03-26 10:38:57,687 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 757 transitions. [2021-03-26 10:38:57,689 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:38:57,689 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 757 transitions. [2021-03-26 10:38:57,690 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 126.16666666666667) internal successors, (757), 6 states have internal predecessors, (757), 0 states have call successors, (0), 0 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 10:38:57,692 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 188.0) internal successors, (1316), 7 states have internal predecessors, (1316), 0 states have call successors, (0), 0 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 10:38:57,692 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 188.0) internal successors, (1316), 7 states have internal predecessors, (1316), 0 states have call successors, (0), 0 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 10:38:57,692 INFO L185 Difference]: Start difference. First operand has 71 places, 47 transitions, 508 flow. Second operand 6 states and 757 transitions. [2021-03-26 10:38:57,692 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 60 transitions, 734 flow [2021-03-26 10:38:57,696 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 60 transitions, 683 flow, removed 9 selfloop flow, removed 8 redundant places. [2021-03-26 10:38:57,697 INFO L241 Difference]: Finished difference. Result has 69 places, 35 transitions, 319 flow [2021-03-26 10:38:57,697 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=465, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=319, PETRI_PLACES=69, PETRI_TRANSITIONS=35} [2021-03-26 10:38:57,698 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 20 predicate places. [2021-03-26 10:38:57,698 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:38:57,698 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 69 places, 35 transitions, 319 flow [2021-03-26 10:38:57,698 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 69 places, 35 transitions, 319 flow [2021-03-26 10:38:57,698 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 62 places, 35 transitions, 319 flow [2021-03-26 10:38:57,711 INFO L129 PetriNetUnfolder]: 30/94 cut-off events. [2021-03-26 10:38:57,712 INFO L130 PetriNetUnfolder]: For 354/363 co-relation queries the response was YES. [2021-03-26 10:38:57,712 INFO L84 FinitePrefix]: Finished finitePrefix Result has 417 conditions, 94 events. 30/94 cut-off events. For 354/363 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 360 event pairs, 5 based on Foata normal form. 5/96 useless extension candidates. Maximal degree in co-relation 390. Up to 29 conditions per place. [2021-03-26 10:38:57,713 INFO L142 LiptonReduction]: Number of co-enabled transitions 108 [2021-03-26 10:38:58,074 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 63 [2021-03-26 10:38:58,216 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-03-26 10:38:58,901 WARN L205 SmtUtils]: Spent 683.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 86 [2021-03-26 10:38:59,140 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-03-26 10:38:59,223 INFO L154 LiptonReduction]: Checked pairs total: 28 [2021-03-26 10:38:59,223 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 10:38:59,223 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1525 [2021-03-26 10:38:59,224 INFO L480 AbstractCegarLoop]: Abstraction has has 62 places, 35 transitions, 323 flow [2021-03-26 10:38:59,224 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 122.42857142857143) internal successors, (857), 7 states have internal predecessors, (857), 0 states have call successors, (0), 0 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 10:38:59,224 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:38:59,224 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 10:38:59,224 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-03-26 10:38:59,224 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:38:59,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:38:59,225 INFO L82 PathProgramCache]: Analyzing trace with hash 1381736054, now seen corresponding path program 1 times [2021-03-26 10:38:59,225 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:38:59,225 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099031236] [2021-03-26 10:38:59,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:38:59,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:38:59,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:38:59,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 10:38:59,323 INFO L142 QuantifierPusher]: treesize reduction 10, result has 82.5 percent of original size [2021-03-26 10:38:59,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 10:38:59,370 INFO L142 QuantifierPusher]: treesize reduction 10, result has 83.3 percent of original size [2021-03-26 10:38:59,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-26 10:38:59,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:38:59,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 10:38:59,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:38:59,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:38:59,455 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 10:38:59,455 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099031236] [2021-03-26 10:38:59,455 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:38:59,456 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 10:38:59,456 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306843311] [2021-03-26 10:38:59,456 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 10:38:59,456 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:38:59,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 10:38:59,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-26 10:38:59,457 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 189 [2021-03-26 10:38:59,458 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 35 transitions, 323 flow. Second operand has 7 states, 7 states have (on average 122.42857142857143) internal successors, (857), 7 states have internal predecessors, (857), 0 states have call successors, (0), 0 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 10:38:59,458 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:38:59,458 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 189 [2021-03-26 10:38:59,458 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:38:59,961 INFO L129 PetriNetUnfolder]: 64/177 cut-off events. [2021-03-26 10:38:59,961 INFO L130 PetriNetUnfolder]: For 971/995 co-relation queries the response was YES. [2021-03-26 10:38:59,962 INFO L84 FinitePrefix]: Finished finitePrefix Result has 890 conditions, 177 events. 64/177 cut-off events. For 971/995 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 813 event pairs, 6 based on Foata normal form. 17/192 useless extension candidates. Maximal degree in co-relation 861. Up to 53 conditions per place. [2021-03-26 10:38:59,963 INFO L132 encePairwiseOnDemand]: 180/189 looper letters, 12 selfloop transitions, 7 changer transitions 18/51 dead transitions. [2021-03-26 10:38:59,963 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 51 transitions, 571 flow [2021-03-26 10:38:59,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 10:38:59,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 10:38:59,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 877 transitions. [2021-03-26 10:38:59,966 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6628873771730914 [2021-03-26 10:38:59,966 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 877 transitions. [2021-03-26 10:38:59,967 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 877 transitions. [2021-03-26 10:38:59,967 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:38:59,967 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 877 transitions. [2021-03-26 10:38:59,968 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 125.28571428571429) internal successors, (877), 7 states have internal predecessors, (877), 0 states have call successors, (0), 0 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 10:38:59,969 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 189.0) internal successors, (1512), 8 states have internal predecessors, (1512), 0 states have call successors, (0), 0 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 10:38:59,970 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 189.0) internal successors, (1512), 8 states have internal predecessors, (1512), 0 states have call successors, (0), 0 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 10:38:59,970 INFO L185 Difference]: Start difference. First operand has 62 places, 35 transitions, 323 flow. Second operand 7 states and 877 transitions. [2021-03-26 10:38:59,970 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 51 transitions, 571 flow [2021-03-26 10:38:59,973 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 51 transitions, 511 flow, removed 20 selfloop flow, removed 10 redundant places. [2021-03-26 10:38:59,975 INFO L241 Difference]: Finished difference. Result has 60 places, 29 transitions, 244 flow [2021-03-26 10:38:59,975 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=285, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=244, PETRI_PLACES=60, PETRI_TRANSITIONS=29} [2021-03-26 10:38:59,975 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 11 predicate places. [2021-03-26 10:38:59,975 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:38:59,975 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 60 places, 29 transitions, 244 flow [2021-03-26 10:38:59,975 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 60 places, 29 transitions, 244 flow [2021-03-26 10:38:59,976 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 57 places, 29 transitions, 244 flow [2021-03-26 10:38:59,985 INFO L129 PetriNetUnfolder]: 19/66 cut-off events. [2021-03-26 10:38:59,985 INFO L130 PetriNetUnfolder]: For 262/271 co-relation queries the response was YES. [2021-03-26 10:38:59,986 INFO L84 FinitePrefix]: Finished finitePrefix Result has 288 conditions, 66 events. 19/66 cut-off events. For 262/271 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 207 event pairs, 3 based on Foata normal form. 5/68 useless extension candidates. Maximal degree in co-relation 265. Up to 21 conditions per place. [2021-03-26 10:38:59,986 INFO L142 LiptonReduction]: Number of co-enabled transitions 76 [2021-03-26 10:39:00,426 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 63 [2021-03-26 10:39:00,584 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-03-26 10:39:01,237 WARN L205 SmtUtils]: Spent 652.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 86 [2021-03-26 10:39:01,469 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-03-26 10:39:01,852 WARN L205 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 63 [2021-03-26 10:39:01,997 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-03-26 10:39:02,718 WARN L205 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 86 [2021-03-26 10:39:02,988 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-03-26 10:39:02,991 INFO L154 LiptonReduction]: Checked pairs total: 37 [2021-03-26 10:39:02,991 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 10:39:02,992 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3017 [2021-03-26 10:39:02,992 INFO L480 AbstractCegarLoop]: Abstraction has has 57 places, 29 transitions, 255 flow [2021-03-26 10:39:02,992 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 122.42857142857143) internal successors, (857), 7 states have internal predecessors, (857), 0 states have call successors, (0), 0 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 10:39:02,993 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:39:02,993 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 10:39:02,993 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-03-26 10:39:02,993 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:39:02,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:39:02,993 INFO L82 PathProgramCache]: Analyzing trace with hash 742164643, now seen corresponding path program 1 times [2021-03-26 10:39:02,993 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:39:02,993 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306336569] [2021-03-26 10:39:02,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:39:03,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-26 10:39:03,055 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-26 10:39:03,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-26 10:39:03,109 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-26 10:39:03,156 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-26 10:39:03,157 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-26 10:39:03,157 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-03-26 10:39:03,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.03 10:39:03 BasicIcfg [2021-03-26 10:39:03,253 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-26 10:39:03,254 INFO L168 Benchmark]: Toolchain (without parser) took 72442.79 ms. Allocated memory was 398.5 MB in the beginning and 1.1 GB in the end (delta: 675.3 MB). Free memory was 361.6 MB in the beginning and 718.9 MB in the end (delta: -357.3 MB). Peak memory consumption was 321.1 MB. Max. memory is 16.0 GB. [2021-03-26 10:39:03,254 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 398.5 MB. Free memory is still 380.0 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 10:39:03,254 INFO L168 Benchmark]: CACSL2BoogieTranslator took 580.02 ms. Allocated memory is still 398.5 MB. Free memory was 361.4 MB in the beginning and 354.1 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.0 GB. [2021-03-26 10:39:03,254 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.35 ms. Allocated memory is still 398.5 MB. Free memory was 354.1 MB in the beginning and 351.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-03-26 10:39:03,254 INFO L168 Benchmark]: Boogie Preprocessor took 38.63 ms. Allocated memory is still 398.5 MB. Free memory was 351.0 MB in the beginning and 347.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-26 10:39:03,254 INFO L168 Benchmark]: RCFGBuilder took 3172.29 ms. Allocated memory was 398.5 MB in the beginning and 505.4 MB in the end (delta: 107.0 MB). Free memory was 347.8 MB in the beginning and 299.7 MB in the end (delta: 48.2 MB). Peak memory consumption was 158.3 MB. Max. memory is 16.0 GB. [2021-03-26 10:39:03,254 INFO L168 Benchmark]: TraceAbstraction took 68590.67 ms. Allocated memory was 505.4 MB in the beginning and 1.1 GB in the end (delta: 568.3 MB). Free memory was 299.7 MB in the beginning and 718.9 MB in the end (delta: -419.2 MB). Peak memory consumption was 149.1 MB. Max. memory is 16.0 GB. [2021-03-26 10:39:03,255 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 398.5 MB. Free memory is still 380.0 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 580.02 ms. Allocated memory is still 398.5 MB. Free memory was 361.4 MB in the beginning and 354.1 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 48.35 ms. Allocated memory is still 398.5 MB. Free memory was 354.1 MB in the beginning and 351.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 38.63 ms. Allocated memory is still 398.5 MB. Free memory was 351.0 MB in the beginning and 347.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 3172.29 ms. Allocated memory was 398.5 MB in the beginning and 505.4 MB in the end (delta: 107.0 MB). Free memory was 347.8 MB in the beginning and 299.7 MB in the end (delta: 48.2 MB). Peak memory consumption was 158.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 68590.67 ms. Allocated memory was 505.4 MB in the beginning and 1.1 GB in the end (delta: 568.3 MB). Free memory was 299.7 MB in the beginning and 718.9 MB in the end (delta: -419.2 MB). Peak memory consumption was 149.1 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6505.1ms, 104 PlacesBefore, 49 PlacesAfterwards, 96 TransitionsBefore, 40 TransitionsAfterwards, 1786 CoEnabledTransitionPairs, 5 FixpointIterations, 27 TrivialSequentialCompositions, 33 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 1 ChoiceCompositions, 62 TotalNumberOfCompositions, 3300 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1412, positive: 1324, positive conditional: 1324, positive unconditional: 0, negative: 88, negative conditional: 88, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1412, positive: 1324, positive conditional: 0, positive unconditional: 1324, negative: 88, negative conditional: 0, negative unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1412, positive: 1324, positive conditional: 0, positive unconditional: 1324, negative: 88, negative conditional: 0, negative unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1111, positive: 1069, positive conditional: 0, positive unconditional: 1069, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1111, positive: 1064, positive conditional: 0, positive unconditional: 1064, negative: 47, negative conditional: 0, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 47, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 945, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 933, negative conditional: 0, negative unconditional: 933, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1412, positive: 255, positive conditional: 0, positive unconditional: 255, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 1111, unknown conditional: 0, unknown unconditional: 1111] , Statistics on independence cache: Total cache size (in pairs): 1111, Positive cache size: 1069, Positive conditional cache size: 0, Positive unconditional cache size: 1069, Negative cache size: 42, Negative conditional cache size: 0, Negative unconditional cache size: 42, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4638.5ms, 46 PlacesBefore, 36 PlacesAfterwards, 37 TransitionsBefore, 27 TransitionsAfterwards, 402 CoEnabledTransitionPairs, 4 FixpointIterations, 7 TrivialSequentialCompositions, 4 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 11 TotalNumberOfCompositions, 1585 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 298, positive: 205, positive conditional: 205, positive unconditional: 0, negative: 93, negative conditional: 93, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 298, positive: 205, positive conditional: 7, positive unconditional: 198, negative: 93, negative conditional: 4, negative unconditional: 89, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 298, positive: 205, positive conditional: 7, positive unconditional: 198, negative: 93, negative conditional: 4, negative unconditional: 89, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 88, positive: 81, positive conditional: 5, positive unconditional: 76, negative: 7, negative conditional: 1, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 88, positive: 79, positive conditional: 0, positive unconditional: 79, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 9, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 7, negative conditional: 1, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 94, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 88, negative conditional: 12, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 298, positive: 124, positive conditional: 2, positive unconditional: 122, negative: 86, negative conditional: 3, negative unconditional: 83, unknown: 88, unknown conditional: 6, unknown unconditional: 82] , Statistics on independence cache: Total cache size (in pairs): 1199, Positive cache size: 1150, Positive conditional cache size: 5, Positive unconditional cache size: 1145, Negative cache size: 49, Negative conditional cache size: 1, Negative unconditional cache size: 48, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1285.2ms, 39 PlacesBefore, 32 PlacesAfterwards, 24 TransitionsBefore, 22 TransitionsAfterwards, 244 CoEnabledTransitionPairs, 3 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 909 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 171, positive: 105, positive conditional: 105, positive unconditional: 0, negative: 66, negative conditional: 66, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 171, positive: 105, positive conditional: 0, positive unconditional: 105, negative: 66, negative conditional: 0, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 171, positive: 105, positive conditional: 0, positive unconditional: 105, negative: 66, negative conditional: 0, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 12, positive: 12, positive conditional: 0, positive unconditional: 12, 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: 12, positive: 12, positive conditional: 0, positive unconditional: 12, 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: 171, positive: 93, positive conditional: 0, positive unconditional: 93, negative: 66, negative conditional: 0, negative unconditional: 66, unknown: 12, unknown conditional: 0, unknown unconditional: 12] , Statistics on independence cache: Total cache size (in pairs): 1211, Positive cache size: 1162, Positive conditional cache size: 5, Positive unconditional cache size: 1157, Negative cache size: 49, Negative conditional cache size: 1, Negative unconditional cache size: 48, Eliminated conditions: 6 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 137.8ms, 35 PlacesBefore, 34 PlacesAfterwards, 22 TransitionsBefore, 21 TransitionsAfterwards, 224 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 495 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 77, positive: 39, positive conditional: 39, positive unconditional: 0, negative: 38, negative conditional: 38, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 77, positive: 39, positive conditional: 0, positive unconditional: 39, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 77, positive: 39, positive conditional: 0, positive unconditional: 39, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 0, 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: 4, positive: 4, positive conditional: 0, positive unconditional: 4, 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: 77, positive: 35, positive conditional: 0, positive unconditional: 35, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 1215, Positive cache size: 1166, Positive conditional cache size: 5, Positive unconditional cache size: 1161, Negative cache size: 49, Negative conditional cache size: 1, Negative unconditional cache size: 48, Eliminated conditions: 10 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.2ms, 33 PlacesBefore, 33 PlacesAfterwards, 21 TransitionsBefore, 21 TransitionsAfterwards, 200 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 222 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 35, positive: 17, positive conditional: 17, 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: 35, positive: 17, positive conditional: 0, positive unconditional: 17, 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: 35, positive: 17, positive conditional: 0, positive unconditional: 17, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 35, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1215, Positive cache size: 1166, Positive conditional cache size: 5, Positive unconditional cache size: 1161, Negative cache size: 49, Negative conditional cache size: 1, Negative unconditional cache size: 48, Eliminated conditions: 3 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4052.6ms, 37 PlacesBefore, 37 PlacesAfterwards, 29 TransitionsBefore, 29 TransitionsAfterwards, 252 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 222 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 101, positive: 87, positive conditional: 87, 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: 101, positive: 87, positive conditional: 7, positive unconditional: 80, 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: 101, positive: 87, positive conditional: 7, positive unconditional: 80, 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: 18, positive: 17, positive conditional: 2, positive unconditional: 15, 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: 18, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 47, positive: 36, positive conditional: 36, positive unconditional: 0, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 101, positive: 70, positive conditional: 5, positive unconditional: 65, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 18, unknown conditional: 2, unknown unconditional: 16] , Statistics on independence cache: Total cache size (in pairs): 1233, Positive cache size: 1183, Positive conditional cache size: 7, Positive unconditional cache size: 1176, Negative cache size: 50, Negative conditional cache size: 1, Negative unconditional cache size: 49, Eliminated conditions: 28 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3755.7ms, 43 PlacesBefore, 43 PlacesAfterwards, 36 TransitionsBefore, 36 TransitionsAfterwards, 300 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 225 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 84, positive: 71, positive conditional: 71, positive unconditional: 0, negative: 13, negative conditional: 13, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 84, positive: 71, positive conditional: 40, positive unconditional: 31, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 84, positive: 71, positive conditional: 40, positive unconditional: 31, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 16, positive: 13, positive conditional: 11, positive unconditional: 2, 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: 16, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 10, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 346, positive: 267, positive conditional: 267, positive unconditional: 0, negative: 79, negative conditional: 0, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 84, positive: 58, positive conditional: 29, positive unconditional: 29, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 16, unknown conditional: 11, unknown unconditional: 5] , Statistics on independence cache: Total cache size (in pairs): 1249, Positive cache size: 1196, Positive conditional cache size: 18, Positive unconditional cache size: 1178, Negative cache size: 53, Negative conditional cache size: 1, Negative unconditional cache size: 52, Eliminated conditions: 16 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 62.5ms, 56 PlacesBefore, 56 PlacesAfterwards, 55 TransitionsBefore, 55 TransitionsAfterwards, 374 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 218 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 79, positive: 71, positive conditional: 71, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 79, positive: 71, positive conditional: 38, positive unconditional: 33, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 79, positive: 71, positive conditional: 38, positive unconditional: 33, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 3, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 0, positive unconditional: 4, 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: 79, positive: 67, positive conditional: 35, positive unconditional: 32, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 4, unknown conditional: 3, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 1253, Positive cache size: 1200, Positive conditional cache size: 21, Positive unconditional cache size: 1179, Negative cache size: 53, Negative conditional cache size: 1, Negative unconditional cache size: 52, Eliminated conditions: 2 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 730.7ms, 63 PlacesBefore, 60 PlacesAfterwards, 50 TransitionsBefore, 50 TransitionsAfterwards, 344 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 371 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 147, positive: 127, positive conditional: 127, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 148, positive: 127, positive conditional: 69, positive unconditional: 58, negative: 21, negative conditional: 1, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 148, positive: 127, positive conditional: 69, positive unconditional: 58, negative: 21, negative conditional: 1, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6, positive: 4, positive conditional: 3, positive unconditional: 1, 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: 6, positive: 3, positive conditional: 0, positive unconditional: 3, 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: 87, positive: 35, positive conditional: 35, positive unconditional: 0, negative: 53, negative conditional: 32, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 148, positive: 123, positive conditional: 66, positive unconditional: 57, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 6, unknown conditional: 4, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 1259, Positive cache size: 1204, Positive conditional cache size: 24, Positive unconditional cache size: 1180, Negative cache size: 55, Negative conditional cache size: 2, Negative unconditional cache size: 53, Eliminated conditions: 16 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 74.2ms, 62 PlacesBefore, 62 PlacesAfterwards, 55 TransitionsBefore, 55 TransitionsAfterwards, 374 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 232 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 128, positive: 117, positive conditional: 117, positive unconditional: 0, negative: 11, negative conditional: 11, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 128, positive: 117, positive conditional: 58, positive unconditional: 59, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 128, positive: 117, positive conditional: 58, positive unconditional: 59, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, 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: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 128, positive: 114, positive conditional: 55, positive unconditional: 59, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1262, Positive cache size: 1207, Positive conditional cache size: 27, Positive unconditional cache size: 1180, Negative cache size: 55, Negative conditional cache size: 2, Negative unconditional cache size: 53, Eliminated conditions: 10 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5466.3ms, 74 PlacesBefore, 74 PlacesAfterwards, 72 TransitionsBefore, 72 TransitionsAfterwards, 412 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1007 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 527, positive: 483, positive conditional: 483, positive unconditional: 0, negative: 44, negative conditional: 44, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 527, positive: 483, positive conditional: 189, positive unconditional: 294, negative: 44, negative conditional: 0, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 527, positive: 483, positive conditional: 189, positive unconditional: 294, negative: 44, negative conditional: 0, negative unconditional: 44, 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: 4, positive conditional: 0, positive unconditional: 4, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 67, positive: 24, positive conditional: 24, positive unconditional: 0, negative: 43, negative conditional: 0, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 527, positive: 478, positive conditional: 184, positive unconditional: 294, negative: 43, negative conditional: 0, negative unconditional: 43, unknown: 6, unknown conditional: 5, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 1268, Positive cache size: 1212, Positive conditional cache size: 32, Positive unconditional cache size: 1180, Negative cache size: 56, Negative conditional cache size: 2, Negative unconditional cache size: 54, Eliminated conditions: 80 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7671.2ms, 76 PlacesBefore, 76 PlacesAfterwards, 77 TransitionsBefore, 77 TransitionsAfterwards, 450 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 1106 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 610, positive: 572, positive conditional: 572, positive unconditional: 0, negative: 38, negative conditional: 38, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 610, positive: 572, positive conditional: 228, positive unconditional: 344, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 610, positive: 572, positive conditional: 228, positive unconditional: 344, negative: 38, negative conditional: 0, negative unconditional: 38, 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: 610, positive: 570, positive conditional: 226, positive unconditional: 344, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1270, Positive cache size: 1214, Positive conditional cache size: 34, Positive unconditional cache size: 1180, Negative cache size: 56, Negative conditional cache size: 2, Negative unconditional cache size: 54, Eliminated conditions: 126 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4584.5ms, 79 PlacesBefore, 78 PlacesAfterwards, 80 TransitionsBefore, 80 TransitionsAfterwards, 448 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1100 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 527, positive: 483, positive conditional: 483, positive unconditional: 0, negative: 44, negative conditional: 44, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 527, positive: 483, positive conditional: 185, positive unconditional: 298, negative: 44, negative conditional: 0, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 527, positive: 483, positive conditional: 185, positive unconditional: 298, negative: 44, negative conditional: 0, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, 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: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 527, positive: 482, positive conditional: 184, positive unconditional: 298, negative: 44, negative conditional: 0, negative unconditional: 44, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1271, Positive cache size: 1215, Positive conditional cache size: 35, Positive unconditional cache size: 1180, Negative cache size: 56, Negative conditional cache size: 2, Negative unconditional cache size: 54, Eliminated conditions: 84 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 836.2ms, 76 PlacesBefore, 76 PlacesAfterwards, 64 TransitionsBefore, 62 TransitionsAfterwards, 504 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 2 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 50 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16, positive: 14, positive conditional: 14, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 16, positive: 14, positive conditional: 8, positive unconditional: 6, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 16, positive: 14, positive conditional: 8, positive unconditional: 6, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 3, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 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: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 35, positive: 35, positive conditional: 35, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 16, positive: 8, positive conditional: 5, positive unconditional: 3, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 6, unknown conditional: 3, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 1277, Positive cache size: 1221, Positive conditional cache size: 38, Positive unconditional cache size: 1183, Negative cache size: 56, Negative conditional cache size: 2, Negative unconditional cache size: 54, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 61.3ms, 82 PlacesBefore, 82 PlacesAfterwards, 66 TransitionsBefore, 64 TransitionsAfterwards, 552 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 99 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 61, positive: 59, positive conditional: 59, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 61, positive: 59, positive conditional: 52, positive unconditional: 7, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 61, positive: 59, positive conditional: 52, positive unconditional: 7, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 6, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 0, positive unconditional: 7, 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: 61, positive: 52, positive conditional: 46, positive unconditional: 6, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 7, unknown conditional: 6, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 1284, Positive cache size: 1228, Positive conditional cache size: 44, Positive unconditional cache size: 1184, Negative cache size: 56, Negative conditional cache size: 2, Negative unconditional cache size: 54, Eliminated conditions: 7 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11171.3ms, 76 PlacesBefore, 70 PlacesAfterwards, 57 TransitionsBefore, 53 TransitionsAfterwards, 298 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 4 TotalNumberOfCompositions, 71 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 34, positive: 31, positive conditional: 31, 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: 34, positive: 31, positive conditional: 22, positive unconditional: 9, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 34, positive: 31, positive conditional: 22, positive unconditional: 9, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 34, positive: 31, positive conditional: 22, positive unconditional: 9, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1284, Positive cache size: 1228, Positive conditional cache size: 44, Positive unconditional cache size: 1184, Negative cache size: 56, Negative conditional cache size: 2, Negative unconditional cache size: 54, Eliminated conditions: 12 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 21.1ms, 68 PlacesBefore, 66 PlacesAfterwards, 54 TransitionsBefore, 54 TransitionsAfterwards, 244 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 13 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.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] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 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] , Statistics on independence cache: Total cache size (in pairs): 1284, Positive cache size: 1228, Positive conditional cache size: 44, Positive unconditional cache size: 1184, Negative cache size: 56, Negative conditional cache size: 2, Negative unconditional cache size: 54, Eliminated conditions: 1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 20.5ms, 71 PlacesBefore, 67 PlacesAfterwards, 52 TransitionsBefore, 52 TransitionsAfterwards, 232 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 13 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.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] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 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] , Statistics on independence cache: Total cache size (in pairs): 1284, Positive cache size: 1228, Positive conditional cache size: 44, Positive unconditional cache size: 1184, Negative cache size: 56, Negative conditional cache size: 2, Negative unconditional cache size: 54, Eliminated conditions: 1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 87.5ms, 72 PlacesBefore, 68 PlacesAfterwards, 52 TransitionsBefore, 52 TransitionsAfterwards, 220 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 13 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, positive: 2, positive conditional: 2, 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: 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.Independence Queries: [ total: 3, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 66, positive: 52, positive conditional: 52, positive unconditional: 0, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 3, unknown conditional: 2, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 1287, Positive cache size: 1230, Positive conditional cache size: 46, Positive unconditional cache size: 1184, Negative cache size: 57, Negative conditional cache size: 2, Negative unconditional cache size: 55, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 19.9ms, 72 PlacesBefore, 70 PlacesAfterwards, 52 TransitionsBefore, 52 TransitionsAfterwards, 210 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 13 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.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] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 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] , Statistics on independence cache: Total cache size (in pairs): 1287, Positive cache size: 1230, Positive conditional cache size: 46, Positive unconditional cache size: 1184, Negative cache size: 57, Negative conditional cache size: 2, Negative unconditional cache size: 55, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 848.6ms, 73 PlacesBefore, 71 PlacesAfterwards, 47 TransitionsBefore, 47 TransitionsAfterwards, 184 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 80 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 8, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 6, negative conditional: 0, negative unconditional: 6, 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: 8, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1289, Positive cache size: 1232, Positive conditional cache size: 48, Positive unconditional cache size: 1184, Negative cache size: 57, Negative conditional cache size: 2, Negative unconditional cache size: 55, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1524.9ms, 69 PlacesBefore, 62 PlacesAfterwards, 35 TransitionsBefore, 35 TransitionsAfterwards, 108 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 28 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 18, positive: 16, positive conditional: 14, positive unconditional: 2, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 18, positive: 16, positive conditional: 14, positive unconditional: 2, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, 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: 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.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 78, positive: 78, positive conditional: 78, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 18, positive: 13, positive conditional: 11, positive unconditional: 2, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1292, Positive cache size: 1235, Positive conditional cache size: 51, Positive unconditional cache size: 1184, Negative cache size: 57, Negative conditional cache size: 2, Negative unconditional cache size: 55, Eliminated conditions: 4 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3016.0ms, 60 PlacesBefore, 57 PlacesAfterwards, 29 TransitionsBefore, 29 TransitionsAfterwards, 76 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 37 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 13, positive: 7, positive conditional: 2, positive unconditional: 5, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 13, positive: 7, positive conditional: 2, positive unconditional: 5, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , 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: 40, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 13, positive: 7, positive conditional: 2, positive unconditional: 5, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 1293, Positive cache size: 1235, Positive conditional cache size: 51, Positive unconditional cache size: 1184, Negative cache size: 58, Negative conditional cache size: 2, Negative unconditional cache size: 56, Eliminated conditions: 8 - CounterExampleResult [Line: 19]: 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_p2_EAX = 0; [L716] 0 int __unbuffered_p2_EBX = 0; [L717] 0 _Bool main$tmp_guard0; [L718] 0 _Bool main$tmp_guard1; [L720] 0 int x = 0; [L722] 0 int y = 0; [L723] 0 _Bool y$flush_delayed; [L724] 0 int y$mem_tmp; [L725] 0 _Bool y$r_buff0_thd0; [L726] 0 _Bool y$r_buff0_thd1; [L727] 0 _Bool y$r_buff0_thd2; [L728] 0 _Bool y$r_buff0_thd3; [L729] 0 _Bool y$r_buff1_thd0; [L730] 0 _Bool y$r_buff1_thd1; [L731] 0 _Bool y$r_buff1_thd2; [L732] 0 _Bool y$r_buff1_thd3; [L733] 0 _Bool y$read_delayed; [L734] 0 int *y$read_delayed_var; [L735] 0 int y$w_buff0; [L736] 0 _Bool y$w_buff0_used; [L737] 0 int y$w_buff1; [L738] 0 _Bool y$w_buff1_used; [L739] 0 _Bool weak$$choice0; [L740] 0 _Bool weak$$choice2; [L854] 0 pthread_t t2336; [L855] FCALL, FORK 0 pthread_create(&t2336, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L856] 0 pthread_t t2337; [L857] FCALL, FORK 0 pthread_create(&t2337, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L784] 2 y$w_buff1 = y$w_buff0 [L785] 2 y$w_buff0 = 2 [L786] 2 y$w_buff1_used = y$w_buff0_used [L787] 2 y$w_buff0_used = (_Bool)1 [L19] COND FALSE 2 !(!expression) [L789] 2 y$r_buff1_thd0 = y$r_buff0_thd0 [L790] 2 y$r_buff1_thd1 = y$r_buff0_thd1 [L791] 2 y$r_buff1_thd2 = y$r_buff0_thd2 [L792] 2 y$r_buff1_thd3 = y$r_buff0_thd3 [L793] 2 y$r_buff0_thd2 = (_Bool)1 [L796] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L858] 0 pthread_t t2338; [L859] FCALL, FORK 0 pthread_create(&t2338, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L813] 3 __unbuffered_p2_EAX = x [L816] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L817] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L818] 3 y$flush_delayed = weak$$choice2 [L819] 3 y$mem_tmp = y [L820] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L820] 3 y = !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L821] EXPR 3 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L821] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0) [L821] EXPR 3 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L821] 3 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L822] EXPR 3 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L822] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1) [L822] EXPR 3 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L822] 3 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L823] EXPR 3 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L823] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used) [L823] EXPR 3 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L823] 3 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L824] EXPR 3 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L824] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L824] EXPR 3 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L824] 3 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L825] EXPR 3 weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L825] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3) [L825] EXPR 3 weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L825] 3 y$r_buff0_thd3 = weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L826] EXPR 3 weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L826] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L826] EXPR 3 weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L826] 3 y$r_buff1_thd3 = weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L827] 3 __unbuffered_p2_EBX = y [L828] EXPR 3 y$flush_delayed ? y$mem_tmp : y [L828] 3 y = y$flush_delayed ? y$mem_tmp : y [L829] 3 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=53, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L832] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L832] EXPR 3 y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y [L832] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L832] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L833] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L833] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L834] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L834] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L835] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L835] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L836] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L836] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L744] 1 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=53, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L747] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L747] EXPR 1 y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y [L747] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L747] 1 y = y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L748] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L748] 1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L749] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L749] 1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L750] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L750] 1 y$r_buff0_thd1 = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L751] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L751] 1 y$r_buff1_thd1 = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L754] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L755] 1 weak$$choice2 = __VERIFIER_nondet_bool() [L756] 1 y$flush_delayed = weak$$choice2 [L757] 1 y$mem_tmp = y [L758] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff1) [L758] 1 y = !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff1) [L759] EXPR 1 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0)) [L759] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0) [L759] EXPR 1 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0)) [L759] 1 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0)) [L760] EXPR 1 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1)) [L760] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1) [L760] EXPR 1 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1)) [L760] 1 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1)) [L761] EXPR 1 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used)) [L761] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used) [L761] EXPR 1 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used)) [L761] 1 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used)) [L762] EXPR 1 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L762] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0) [L762] EXPR 1 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L762] 1 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L763] EXPR 1 weak$$choice2 ? y$r_buff0_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1)) [L763] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1) [L763] EXPR 1 weak$$choice2 ? y$r_buff0_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1)) [L763] 1 y$r_buff0_thd1 = weak$$choice2 ? y$r_buff0_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1)) [L764] EXPR 1 weak$$choice2 ? y$r_buff1_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L764] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0) [L764] EXPR 1 weak$$choice2 ? y$r_buff1_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L764] 1 y$r_buff1_thd1 = weak$$choice2 ? y$r_buff1_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L765] 1 __unbuffered_p0_EAX = y [L766] EXPR 1 y$flush_delayed ? y$mem_tmp : y [L766] 1 y = y$flush_delayed ? y$mem_tmp : y [L767] 1 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=1, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L770] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L770] EXPR 1 y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y [L770] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L770] 1 y = y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L771] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L771] 1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L772] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L772] 1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L773] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L773] 1 y$r_buff0_thd1 = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L774] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L774] 1 y$r_buff1_thd1 = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L799] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L799] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L800] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L800] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L801] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L801] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L802] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L802] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L803] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L803] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L777] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L779] 1 return 0; [L806] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L808] 2 return 0; [L839] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L841] 3 return 0; [L861] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L4] COND FALSE 0 !(!cond) [L865] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L865] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L865] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L865] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L866] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L866] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L867] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L867] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L868] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L868] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L869] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L869] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L872] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L873] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L874] 0 y$flush_delayed = weak$$choice2 [L875] 0 y$mem_tmp = y [L876] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L876] 0 y = !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L877] EXPR 0 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L877] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0) [L877] EXPR 0 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L877] 0 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L878] EXPR 0 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L878] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1) [L878] EXPR 0 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L878] 0 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L879] EXPR 0 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L879] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used) [L879] EXPR 0 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L879] 0 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L880] EXPR 0 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L880] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L880] EXPR 0 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L880] 0 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L881] EXPR 0 weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L881] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0) [L881] EXPR 0 weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L881] 0 y$r_buff0_thd0 = weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L882] EXPR 0 weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L882] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L882] EXPR 0 weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L882] 0 y$r_buff1_thd0 = weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L883] 0 main$tmp_guard1 = !(y == 2 && __unbuffered_p0_EAX == 1 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0) [L884] EXPR 0 y$flush_delayed ? y$mem_tmp : y [L884] 0 y = y$flush_delayed ? y$mem_tmp : y [L885] 0 y$flush_delayed = (_Bool)0 [L19] COND TRUE 0 !expression [L19] 0 reach_error() VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=59, weak$$choice2=0, x=1, y=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 98 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 3.3ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 68319.7ms, OverallIterations: 23, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 7018.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 6602.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 115 SDtfs, 67 SDslu, 63 SDs, 0 SdLazy, 1403 SolverSat, 409 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2807.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 152 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 139 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 3017.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=948occurred in iteration=12, InterpolantAutomatonStates: 138, 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: 84.5ms SsaConstructionTime, 1005.2ms SatisfiabilityAnalysisTime, 3102.8ms InterpolantComputationTime, 349 NumberOfCodeBlocks, 349 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 309 ConstructedInterpolants, 0 QuantifiedInterpolants, 2858 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 22 InterpolantComputations, 22 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...