/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe024_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-26 00:46:00,822 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-26 00:46:00,825 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-26 00:46:00,853 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-26 00:46:00,853 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-26 00:46:00,856 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-26 00:46:00,858 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-26 00:46:00,862 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-26 00:46:00,863 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-26 00:46:00,866 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-26 00:46:00,867 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-26 00:46:00,868 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-26 00:46:00,868 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-26 00:46:00,870 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-26 00:46:00,871 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-26 00:46:00,874 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-26 00:46:00,876 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-26 00:46:00,877 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-26 00:46:00,878 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-26 00:46:00,882 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-26 00:46:00,883 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-26 00:46:00,884 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-26 00:46:00,885 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-26 00:46:00,886 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-26 00:46:00,891 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-26 00:46:00,896 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-26 00:46:00,897 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-26 00:46:00,897 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-26 00:46:00,898 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2021-03-26 00:46:00,925 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-26 00:46:00,925 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-26 00:46:00,927 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-26 00:46:00,927 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-26 00:46:00,927 INFO L138 SettingsManager]: * Use SBE=true [2021-03-26 00:46:00,927 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-26 00:46:00,927 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-26 00:46:00,928 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-26 00:46:00,928 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-26 00:46:00,928 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-26 00:46:00,929 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-26 00:46:00,929 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-26 00:46:00,929 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-26 00:46:00,929 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-26 00:46:00,929 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-26 00:46:00,929 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-26 00:46:00,929 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-26 00:46:00,929 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-26 00:46:00,929 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-26 00:46:00,929 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-26 00:46:00,930 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-26 00:46:00,930 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 00:46:00,930 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-26 00:46:00,930 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-26 00:46:00,930 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-26 00:46:00,930 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-26 00:46:00,930 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-26 00:46:00,930 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-03-26 00:46:00,930 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-26 00:46:00,930 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-26 00:46:00,930 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-26 00:46:01,238 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-26 00:46:01,257 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-26 00:46:01,258 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-26 00:46:01,259 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-26 00:46:01,260 INFO L275 PluginConnector]: CDTParser initialized [2021-03-26 00:46:01,260 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe024_tso.opt.i [2021-03-26 00:46:01,298 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7cd7cb355/de17ff50b3de46288b1c890a5325b584/FLAG805bdae92 [2021-03-26 00:46:01,763 INFO L306 CDTParser]: Found 1 translation units. [2021-03-26 00:46:01,763 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe024_tso.opt.i [2021-03-26 00:46:01,776 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7cd7cb355/de17ff50b3de46288b1c890a5325b584/FLAG805bdae92 [2021-03-26 00:46:02,081 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7cd7cb355/de17ff50b3de46288b1c890a5325b584 [2021-03-26 00:46:02,083 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-26 00:46:02,084 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-26 00:46:02,085 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-26 00:46:02,085 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-26 00:46:02,087 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-26 00:46:02,088 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 12:46:02" (1/1) ... [2021-03-26 00:46:02,088 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@545567cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:46:02, skipping insertion in model container [2021-03-26 00:46:02,089 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 12:46:02" (1/1) ... [2021-03-26 00:46:02,094 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-26 00:46:02,114 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-26 00:46:02,271 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/safe024_tso.opt.i[949,962] [2021-03-26 00:46:02,416 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 00:46:02,422 INFO L203 MainTranslator]: Completed pre-run [2021-03-26 00:46:02,432 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/safe024_tso.opt.i[949,962] [2021-03-26 00:46:02,462 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 00:46:02,510 INFO L208 MainTranslator]: Completed translation [2021-03-26 00:46:02,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:46:02 WrapperNode [2021-03-26 00:46:02,512 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-26 00:46:02,512 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-26 00:46:02,513 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-26 00:46:02,513 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-26 00:46:02,517 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:46:02" (1/1) ... [2021-03-26 00:46:02,540 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:46:02" (1/1) ... [2021-03-26 00:46:02,556 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-26 00:46:02,557 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-26 00:46:02,557 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-26 00:46:02,557 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-26 00:46:02,562 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:46:02" (1/1) ... [2021-03-26 00:46:02,562 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:46:02" (1/1) ... [2021-03-26 00:46:02,570 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:46:02" (1/1) ... [2021-03-26 00:46:02,570 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:46:02" (1/1) ... [2021-03-26 00:46:02,579 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:46:02" (1/1) ... [2021-03-26 00:46:02,580 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:46:02" (1/1) ... [2021-03-26 00:46:02,581 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:46:02" (1/1) ... [2021-03-26 00:46:02,583 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-26 00:46:02,583 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-26 00:46:02,583 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-26 00:46:02,583 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-26 00:46:02,584 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:46:02" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 00:46:02,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-26 00:46:02,639 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-26 00:46:02,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-26 00:46:02,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-26 00:46:02,640 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-26 00:46:02,640 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-26 00:46:02,640 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-26 00:46:02,641 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-26 00:46:02,641 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-26 00:46:02,641 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-26 00:46:02,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-26 00:46:02,641 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-26 00:46:02,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-26 00:46:02,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-26 00:46:02,642 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 00:46:03,003 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-26 00:46:03,003 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-03-26 00:46:03,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 12:46:03 BoogieIcfgContainer [2021-03-26 00:46:03,005 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-26 00:46:03,006 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-26 00:46:03,006 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-26 00:46:03,008 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-26 00:46:03,008 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.03 12:46:02" (1/3) ... [2021-03-26 00:46:03,009 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16ef546a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 12:46:03, skipping insertion in model container [2021-03-26 00:46:03,009 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:46:02" (2/3) ... [2021-03-26 00:46:03,010 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16ef546a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 12:46:03, skipping insertion in model container [2021-03-26 00:46:03,010 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 12:46:03" (3/3) ... [2021-03-26 00:46:03,011 INFO L111 eAbstractionObserver]: Analyzing ICFG safe024_tso.opt.i [2021-03-26 00:46:03,015 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-26 00:46:03,018 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-26 00:46:03,018 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-26 00:46:03,046 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:46:03,046 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:46:03,046 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:46:03,046 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:46:03,046 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:46:03,046 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:46:03,046 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:46:03,047 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:46:03,047 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:46:03,047 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:46:03,047 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:46:03,047 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:46:03,048 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:46:03,048 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:46:03,048 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:46:03,048 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:46:03,048 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:46:03,048 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:46:03,048 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:46:03,048 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:46:03,049 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:46:03,049 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:46:03,049 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:46:03,049 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:46:03,050 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:46:03,050 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:46:03,051 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:46:03,051 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:46:03,051 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:46:03,051 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:46:03,052 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:46:03,052 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:46:03,053 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:46:03,053 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:46:03,053 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:46:03,053 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:46:03,056 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:46:03,056 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:46:03,057 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:46:03,057 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:46:03,063 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:46:03,063 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:46:03,063 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:46:03,063 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:46:03,064 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:46:03,065 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:46:03,065 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:46:03,065 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:46:03,066 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-26 00:46:03,078 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-03-26 00:46:03,095 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-26 00:46:03,095 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-26 00:46:03,095 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-26 00:46:03,095 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-26 00:46:03,095 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-26 00:46:03,095 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-26 00:46:03,095 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-26 00:46:03,095 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-26 00:46:03,102 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 84 places, 76 transitions, 167 flow [2021-03-26 00:46:03,124 INFO L129 PetriNetUnfolder]: 2/73 cut-off events. [2021-03-26 00:46:03,124 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 00:46:03,127 INFO L84 FinitePrefix]: Finished finitePrefix Result has 83 conditions, 73 events. 2/73 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 55 event pairs, 0 based on Foata normal form. 0/70 useless extension candidates. Maximal degree in co-relation 56. Up to 2 conditions per place. [2021-03-26 00:46:03,127 INFO L82 GeneralOperation]: Start removeDead. Operand has 84 places, 76 transitions, 167 flow [2021-03-26 00:46:03,146 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 70 places, 61 transitions, 131 flow [2021-03-26 00:46:03,147 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:46:03,160 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 70 places, 61 transitions, 131 flow [2021-03-26 00:46:03,162 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 70 places, 61 transitions, 131 flow [2021-03-26 00:46:03,163 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 70 places, 61 transitions, 131 flow [2021-03-26 00:46:03,182 INFO L129 PetriNetUnfolder]: 1/61 cut-off events. [2021-03-26 00:46:03,182 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 00:46:03,183 INFO L84 FinitePrefix]: Finished finitePrefix Result has 71 conditions, 61 events. 1/61 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 44 event pairs, 0 based on Foata normal form. 0/60 useless extension candidates. Maximal degree in co-relation 44. Up to 2 conditions per place. [2021-03-26 00:46:03,184 INFO L142 LiptonReduction]: Number of co-enabled transitions 864 [2021-03-26 00:46:04,488 INFO L154 LiptonReduction]: Checked pairs total: 1248 [2021-03-26 00:46:04,489 INFO L156 LiptonReduction]: Total number of compositions: 43 [2021-03-26 00:46:04,490 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1344 [2021-03-26 00:46:04,499 INFO L129 PetriNetUnfolder]: 0/19 cut-off events. [2021-03-26 00:46:04,499 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 00:46:04,499 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:46:04,500 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:46:04,500 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:46:04,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:46:04,504 INFO L82 PathProgramCache]: Analyzing trace with hash -965258852, now seen corresponding path program 1 times [2021-03-26 00:46:04,509 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:46:04,510 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264909895] [2021-03-26 00:46:04,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:46:04,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:46:04,666 INFO L142 QuantifierPusher]: treesize reduction 3, result has 81.3 percent of original size [2021-03-26 00:46:04,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 00:46:04,676 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-26 00:46:04,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 00:46:04,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:46:04,682 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264909895] [2021-03-26 00:46:04,682 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:46:04,682 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 00:46:04,683 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721616499] [2021-03-26 00:46:04,689 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 00:46:04,689 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:46:04,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 00:46:04,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 00:46:04,699 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 119 [2021-03-26 00:46:04,702 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 20 transitions, 49 flow. Second operand has 4 states, 4 states have (on average 93.75) internal successors, (375), 4 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:46:04,702 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:46:04,702 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 119 [2021-03-26 00:46:04,703 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:46:04,737 INFO L129 PetriNetUnfolder]: 14/56 cut-off events. [2021-03-26 00:46:04,737 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 00:46:04,738 INFO L84 FinitePrefix]: Finished finitePrefix Result has 103 conditions, 56 events. 14/56 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 160 event pairs, 7 based on Foata normal form. 6/61 useless extension candidates. Maximal degree in co-relation 91. Up to 28 conditions per place. [2021-03-26 00:46:04,739 INFO L132 encePairwiseOnDemand]: 114/119 looper letters, 5 selfloop transitions, 3 changer transitions 6/28 dead transitions. [2021-03-26 00:46:04,739 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 28 transitions, 93 flow [2021-03-26 00:46:04,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 00:46:04,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 00:46:04,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 481 transitions. [2021-03-26 00:46:04,749 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8084033613445378 [2021-03-26 00:46:04,749 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 481 transitions. [2021-03-26 00:46:04,750 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 481 transitions. [2021-03-26 00:46:04,751 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:46:04,753 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 481 transitions. [2021-03-26 00:46:04,756 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 96.2) internal successors, (481), 5 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:46:04,760 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 119.0) internal successors, (714), 6 states have internal predecessors, (714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:46:04,761 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 119.0) internal successors, (714), 6 states have internal predecessors, (714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:46:04,762 INFO L185 Difference]: Start difference. First operand has 30 places, 20 transitions, 49 flow. Second operand 5 states and 481 transitions. [2021-03-26 00:46:04,763 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 28 transitions, 93 flow [2021-03-26 00:46:04,764 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 28 transitions, 90 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-26 00:46:04,765 INFO L241 Difference]: Finished difference. Result has 34 places, 22 transitions, 73 flow [2021-03-26 00:46:04,767 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=46, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=73, PETRI_PLACES=34, PETRI_TRANSITIONS=22} [2021-03-26 00:46:04,767 INFO L343 CegarLoopForPetriNet]: 30 programPoint places, 4 predicate places. [2021-03-26 00:46:04,768 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:46:04,768 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 34 places, 22 transitions, 73 flow [2021-03-26 00:46:04,768 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 34 places, 22 transitions, 73 flow [2021-03-26 00:46:04,768 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 32 places, 22 transitions, 73 flow [2021-03-26 00:46:04,772 INFO L129 PetriNetUnfolder]: 5/31 cut-off events. [2021-03-26 00:46:04,772 INFO L130 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2021-03-26 00:46:04,773 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68 conditions, 31 events. 5/31 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 55 event pairs, 2 based on Foata normal form. 0/30 useless extension candidates. Maximal degree in co-relation 56. Up to 12 conditions per place. [2021-03-26 00:46:04,773 INFO L142 LiptonReduction]: Number of co-enabled transitions 150 [2021-03-26 00:46:05,106 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2021-03-26 00:46:05,270 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2021-03-26 00:46:05,324 INFO L154 LiptonReduction]: Checked pairs total: 342 [2021-03-26 00:46:05,324 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 00:46:05,325 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 557 [2021-03-26 00:46:05,325 INFO L480 AbstractCegarLoop]: Abstraction has has 30 places, 20 transitions, 69 flow [2021-03-26 00:46:05,326 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 93.75) internal successors, (375), 4 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:46:05,326 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:46:05,326 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:46:05,326 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-26 00:46:05,326 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:46:05,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:46:05,327 INFO L82 PathProgramCache]: Analyzing trace with hash 141119710, now seen corresponding path program 1 times [2021-03-26 00:46:05,327 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:46:05,327 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215101456] [2021-03-26 00:46:05,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:46:05,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:46:05,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:46:05,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:46:05,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:46:05,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:46:05,381 INFO L142 QuantifierPusher]: treesize reduction 3, result has 81.3 percent of original size [2021-03-26 00:46:05,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 00:46:05,387 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-26 00:46:05,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 00:46:05,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:46:05,391 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215101456] [2021-03-26 00:46:05,391 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:46:05,391 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 00:46:05,391 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653826425] [2021-03-26 00:46:05,392 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 00:46:05,392 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:46:05,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 00:46:05,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-26 00:46:05,393 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 121 [2021-03-26 00:46:05,394 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 20 transitions, 69 flow. Second operand has 5 states, 5 states have (on average 89.0) internal successors, (445), 5 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:46:05,394 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:46:05,394 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 121 [2021-03-26 00:46:05,394 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:46:05,461 INFO L129 PetriNetUnfolder]: 48/128 cut-off events. [2021-03-26 00:46:05,461 INFO L130 PetriNetUnfolder]: For 94/99 co-relation queries the response was YES. [2021-03-26 00:46:05,475 INFO L84 FinitePrefix]: Finished finitePrefix Result has 321 conditions, 128 events. 48/128 cut-off events. For 94/99 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 532 event pairs, 2 based on Foata normal form. 15/143 useless extension candidates. Maximal degree in co-relation 309. Up to 45 conditions per place. [2021-03-26 00:46:05,476 INFO L132 encePairwiseOnDemand]: 114/121 looper letters, 12 selfloop transitions, 11 changer transitions 12/46 dead transitions. [2021-03-26 00:46:05,477 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 46 transitions, 247 flow [2021-03-26 00:46:05,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 00:46:05,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 00:46:05,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 829 transitions. [2021-03-26 00:46:05,479 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.761248852157943 [2021-03-26 00:46:05,479 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 829 transitions. [2021-03-26 00:46:05,480 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 829 transitions. [2021-03-26 00:46:05,480 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:46:05,480 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 829 transitions. [2021-03-26 00:46:05,481 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 92.11111111111111) internal successors, (829), 9 states have internal predecessors, (829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:46:05,483 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 121.0) internal successors, (1210), 10 states have internal predecessors, (1210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:46:05,484 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 121.0) internal successors, (1210), 10 states have internal predecessors, (1210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:46:05,484 INFO L185 Difference]: Start difference. First operand has 30 places, 20 transitions, 69 flow. Second operand 9 states and 829 transitions. [2021-03-26 00:46:05,484 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 46 transitions, 247 flow [2021-03-26 00:46:05,485 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 46 transitions, 234 flow, removed 4 selfloop flow, removed 2 redundant places. [2021-03-26 00:46:05,486 INFO L241 Difference]: Finished difference. Result has 43 places, 28 transitions, 166 flow [2021-03-26 00:46:05,486 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=121, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=166, PETRI_PLACES=43, PETRI_TRANSITIONS=28} [2021-03-26 00:46:05,486 INFO L343 CegarLoopForPetriNet]: 30 programPoint places, 13 predicate places. [2021-03-26 00:46:05,486 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:46:05,486 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 43 places, 28 transitions, 166 flow [2021-03-26 00:46:05,487 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 43 places, 28 transitions, 166 flow [2021-03-26 00:46:05,487 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 39 places, 28 transitions, 166 flow [2021-03-26 00:46:05,507 INFO L129 PetriNetUnfolder]: 27/85 cut-off events. [2021-03-26 00:46:05,507 INFO L130 PetriNetUnfolder]: For 230/233 co-relation queries the response was YES. [2021-03-26 00:46:05,508 INFO L84 FinitePrefix]: Finished finitePrefix Result has 326 conditions, 85 events. 27/85 cut-off events. For 230/233 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 312 event pairs, 6 based on Foata normal form. 1/86 useless extension candidates. Maximal degree in co-relation 309. Up to 36 conditions per place. [2021-03-26 00:46:05,509 INFO L142 LiptonReduction]: Number of co-enabled transitions 192 [2021-03-26 00:46:05,515 INFO L154 LiptonReduction]: Checked pairs total: 175 [2021-03-26 00:46:05,515 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 00:46:05,516 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 30 [2021-03-26 00:46:05,516 INFO L480 AbstractCegarLoop]: Abstraction has has 39 places, 28 transitions, 166 flow [2021-03-26 00:46:05,517 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 89.0) internal successors, (445), 5 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:46:05,517 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:46:05,517 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:46:05,517 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-26 00:46:05,517 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:46:05,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:46:05,517 INFO L82 PathProgramCache]: Analyzing trace with hash 1822298118, now seen corresponding path program 1 times [2021-03-26 00:46:05,517 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:46:05,517 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085879074] [2021-03-26 00:46:05,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:46:05,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:46:05,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:46:05,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:46:05,573 INFO L142 QuantifierPusher]: treesize reduction 3, result has 81.3 percent of original size [2021-03-26 00:46:05,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 00:46:05,579 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-26 00:46:05,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 00:46:05,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:46:05,582 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085879074] [2021-03-26 00:46:05,582 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:46:05,582 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 00:46:05,583 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003403868] [2021-03-26 00:46:05,583 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 00:46:05,583 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:46:05,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 00:46:05,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 00:46:05,584 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 121 [2021-03-26 00:46:05,585 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 28 transitions, 166 flow. Second operand has 5 states, 5 states have (on average 93.8) internal successors, (469), 5 states have internal predecessors, (469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:46:05,585 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:46:05,585 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 121 [2021-03-26 00:46:05,585 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:46:05,605 INFO L129 PetriNetUnfolder]: 25/81 cut-off events. [2021-03-26 00:46:05,606 INFO L130 PetriNetUnfolder]: For 328/342 co-relation queries the response was YES. [2021-03-26 00:46:05,606 INFO L84 FinitePrefix]: Finished finitePrefix Result has 368 conditions, 81 events. 25/81 cut-off events. For 328/342 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 291 event pairs, 0 based on Foata normal form. 7/88 useless extension candidates. Maximal degree in co-relation 349. Up to 43 conditions per place. [2021-03-26 00:46:05,607 INFO L132 encePairwiseOnDemand]: 117/121 looper letters, 10 selfloop transitions, 5 changer transitions 6/34 dead transitions. [2021-03-26 00:46:05,607 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 34 transitions, 255 flow [2021-03-26 00:46:05,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 00:46:05,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 00:46:05,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 477 transitions. [2021-03-26 00:46:05,608 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7884297520661157 [2021-03-26 00:46:05,608 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 477 transitions. [2021-03-26 00:46:05,608 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 477 transitions. [2021-03-26 00:46:05,609 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:46:05,609 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 477 transitions. [2021-03-26 00:46:05,610 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 95.4) internal successors, (477), 5 states have internal predecessors, (477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:46:05,611 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 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 00:46:05,611 INFO L81 ComplementDD]: Finished complementDD. Result 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 00:46:05,611 INFO L185 Difference]: Start difference. First operand has 39 places, 28 transitions, 166 flow. Second operand 5 states and 477 transitions. [2021-03-26 00:46:05,611 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 34 transitions, 255 flow [2021-03-26 00:46:05,613 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 34 transitions, 224 flow, removed 12 selfloop flow, removed 4 redundant places. [2021-03-26 00:46:05,613 INFO L241 Difference]: Finished difference. Result has 42 places, 28 transitions, 163 flow [2021-03-26 00:46:05,613 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=121, PETRI_DIFFERENCE_MINUEND_FLOW=142, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=163, PETRI_PLACES=42, PETRI_TRANSITIONS=28} [2021-03-26 00:46:05,613 INFO L343 CegarLoopForPetriNet]: 30 programPoint places, 12 predicate places. [2021-03-26 00:46:05,614 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:46:05,614 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 28 transitions, 163 flow [2021-03-26 00:46:05,614 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 28 transitions, 163 flow [2021-03-26 00:46:05,614 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 28 transitions, 163 flow [2021-03-26 00:46:05,619 INFO L129 PetriNetUnfolder]: 22/72 cut-off events. [2021-03-26 00:46:05,619 INFO L130 PetriNetUnfolder]: For 142/144 co-relation queries the response was YES. [2021-03-26 00:46:05,619 INFO L84 FinitePrefix]: Finished finitePrefix Result has 262 conditions, 72 events. 22/72 cut-off events. For 142/144 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 237 event pairs, 11 based on Foata normal form. 1/73 useless extension candidates. Maximal degree in co-relation 244. Up to 33 conditions per place. [2021-03-26 00:46:05,620 INFO L142 LiptonReduction]: Number of co-enabled transitions 186 [2021-03-26 00:46:05,624 INFO L154 LiptonReduction]: Checked pairs total: 163 [2021-03-26 00:46:05,624 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 00:46:05,624 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 10 [2021-03-26 00:46:05,625 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 28 transitions, 163 flow [2021-03-26 00:46:05,625 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 93.8) internal successors, (469), 5 states have internal predecessors, (469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:46:05,625 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:46:05,625 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:46:05,625 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-26 00:46:05,626 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:46:05,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:46:05,626 INFO L82 PathProgramCache]: Analyzing trace with hash 695843012, now seen corresponding path program 1 times [2021-03-26 00:46:05,626 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:46:05,626 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193683396] [2021-03-26 00:46:05,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:46:05,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:46:05,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:46:05,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:46:05,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:46:05,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:46:05,677 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-26 00:46:05,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 00:46:05,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:46:05,681 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193683396] [2021-03-26 00:46:05,681 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:46:05,681 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 00:46:05,682 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697853198] [2021-03-26 00:46:05,682 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 00:46:05,682 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:46:05,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 00:46:05,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-26 00:46:05,685 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 121 [2021-03-26 00:46:05,685 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 28 transitions, 163 flow. Second operand has 5 states, 5 states have (on average 93.8) internal successors, (469), 5 states have internal predecessors, (469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:46:05,685 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:46:05,685 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 121 [2021-03-26 00:46:05,685 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:46:05,724 INFO L129 PetriNetUnfolder]: 25/78 cut-off events. [2021-03-26 00:46:05,724 INFO L130 PetriNetUnfolder]: For 249/255 co-relation queries the response was YES. [2021-03-26 00:46:05,725 INFO L84 FinitePrefix]: Finished finitePrefix Result has 310 conditions, 78 events. 25/78 cut-off events. For 249/255 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 283 event pairs, 4 based on Foata normal form. 11/89 useless extension candidates. Maximal degree in co-relation 290. Up to 38 conditions per place. [2021-03-26 00:46:05,725 INFO L132 encePairwiseOnDemand]: 116/121 looper letters, 2 selfloop transitions, 5 changer transitions 9/31 dead transitions. [2021-03-26 00:46:05,726 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 31 transitions, 211 flow [2021-03-26 00:46:05,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 00:46:05,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 00:46:05,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 569 transitions. [2021-03-26 00:46:05,729 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7837465564738292 [2021-03-26 00:46:05,729 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 569 transitions. [2021-03-26 00:46:05,729 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 569 transitions. [2021-03-26 00:46:05,730 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:46:05,730 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 569 transitions. [2021-03-26 00:46:05,733 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 94.83333333333333) internal successors, (569), 6 states have internal predecessors, (569), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:46:05,735 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 121.0) internal successors, (847), 7 states have internal predecessors, (847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:46:05,736 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 121.0) internal successors, (847), 7 states have internal predecessors, (847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:46:05,736 INFO L185 Difference]: Start difference. First operand has 40 places, 28 transitions, 163 flow. Second operand 6 states and 569 transitions. [2021-03-26 00:46:05,736 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 31 transitions, 211 flow [2021-03-26 00:46:05,737 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 31 transitions, 193 flow, removed 4 selfloop flow, removed 5 redundant places. [2021-03-26 00:46:05,738 INFO L241 Difference]: Finished difference. Result has 44 places, 22 transitions, 130 flow [2021-03-26 00:46:05,738 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=121, PETRI_DIFFERENCE_MINUEND_FLOW=145, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=130, PETRI_PLACES=44, PETRI_TRANSITIONS=22} [2021-03-26 00:46:05,738 INFO L343 CegarLoopForPetriNet]: 30 programPoint places, 14 predicate places. [2021-03-26 00:46:05,738 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:46:05,739 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 44 places, 22 transitions, 130 flow [2021-03-26 00:46:05,739 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 44 places, 22 transitions, 130 flow [2021-03-26 00:46:05,739 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 42 places, 22 transitions, 130 flow [2021-03-26 00:46:05,744 INFO L129 PetriNetUnfolder]: 11/40 cut-off events. [2021-03-26 00:46:05,744 INFO L130 PetriNetUnfolder]: For 86/86 co-relation queries the response was YES. [2021-03-26 00:46:05,744 INFO L84 FinitePrefix]: Finished finitePrefix Result has 161 conditions, 40 events. 11/40 cut-off events. For 86/86 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 76 event pairs, 4 based on Foata normal form. 0/40 useless extension candidates. Maximal degree in co-relation 142. Up to 19 conditions per place. [2021-03-26 00:46:05,745 INFO L142 LiptonReduction]: Number of co-enabled transitions 126 [2021-03-26 00:46:05,746 INFO L154 LiptonReduction]: Checked pairs total: 97 [2021-03-26 00:46:05,746 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 00:46:05,746 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8 [2021-03-26 00:46:05,747 INFO L480 AbstractCegarLoop]: Abstraction has has 42 places, 22 transitions, 130 flow [2021-03-26 00:46:05,747 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 93.8) internal successors, (469), 5 states have internal predecessors, (469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:46:05,747 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:46:05,747 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:46:05,748 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-26 00:46:05,748 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:46:05,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:46:05,748 INFO L82 PathProgramCache]: Analyzing trace with hash -1228678540, now seen corresponding path program 1 times [2021-03-26 00:46:05,748 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:46:05,748 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812671622] [2021-03-26 00:46:05,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:46:05,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:46:05,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:46:05,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:46:05,832 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-26 00:46:05,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 00:46:05,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:46:05,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:46:05,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:46:05,843 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812671622] [2021-03-26 00:46:05,843 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:46:05,844 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 00:46:05,844 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839749012] [2021-03-26 00:46:05,844 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 00:46:05,844 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:46:05,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 00:46:05,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 00:46:05,845 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 121 [2021-03-26 00:46:05,845 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 22 transitions, 130 flow. Second operand has 4 states, 4 states have (on average 90.75) internal successors, (363), 4 states have internal predecessors, (363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:46:05,845 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:46:05,845 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 121 [2021-03-26 00:46:05,845 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:46:05,885 INFO L129 PetriNetUnfolder]: 52/124 cut-off events. [2021-03-26 00:46:05,885 INFO L130 PetriNetUnfolder]: For 679/731 co-relation queries the response was YES. [2021-03-26 00:46:05,885 INFO L84 FinitePrefix]: Finished finitePrefix Result has 431 conditions, 124 events. 52/124 cut-off events. For 679/731 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 494 event pairs, 23 based on Foata normal form. 21/137 useless extension candidates. Maximal degree in co-relation 410. Up to 64 conditions per place. [2021-03-26 00:46:05,887 INFO L132 encePairwiseOnDemand]: 115/121 looper letters, 7 selfloop transitions, 7 changer transitions 2/32 dead transitions. [2021-03-26 00:46:05,887 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 32 transitions, 182 flow [2021-03-26 00:46:05,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 00:46:05,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 00:46:05,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 468 transitions. [2021-03-26 00:46:05,889 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7735537190082644 [2021-03-26 00:46:05,889 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 468 transitions. [2021-03-26 00:46:05,889 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 468 transitions. [2021-03-26 00:46:05,889 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:46:05,889 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 468 transitions. [2021-03-26 00:46:05,890 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 93.6) internal successors, (468), 5 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:46:05,891 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 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 00:46:05,892 INFO L81 ComplementDD]: Finished complementDD. Result 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 00:46:05,892 INFO L185 Difference]: Start difference. First operand has 42 places, 22 transitions, 130 flow. Second operand 5 states and 468 transitions. [2021-03-26 00:46:05,892 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 32 transitions, 182 flow [2021-03-26 00:46:05,894 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 32 transitions, 153 flow, removed 5 selfloop flow, removed 8 redundant places. [2021-03-26 00:46:05,894 INFO L241 Difference]: Finished difference. Result has 41 places, 28 transitions, 155 flow [2021-03-26 00:46:05,894 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=121, PETRI_DIFFERENCE_MINUEND_FLOW=101, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=155, PETRI_PLACES=41, PETRI_TRANSITIONS=28} [2021-03-26 00:46:05,895 INFO L343 CegarLoopForPetriNet]: 30 programPoint places, 11 predicate places. [2021-03-26 00:46:05,895 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:46:05,895 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 28 transitions, 155 flow [2021-03-26 00:46:05,895 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 28 transitions, 155 flow [2021-03-26 00:46:05,895 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 41 places, 28 transitions, 155 flow [2021-03-26 00:46:05,904 INFO L129 PetriNetUnfolder]: 51/123 cut-off events. [2021-03-26 00:46:05,905 INFO L130 PetriNetUnfolder]: For 350/388 co-relation queries the response was YES. [2021-03-26 00:46:05,905 INFO L84 FinitePrefix]: Finished finitePrefix Result has 435 conditions, 123 events. 51/123 cut-off events. For 350/388 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 525 event pairs, 22 based on Foata normal form. 3/118 useless extension candidates. Maximal degree in co-relation 419. Up to 60 conditions per place. [2021-03-26 00:46:05,906 INFO L142 LiptonReduction]: Number of co-enabled transitions 164 [2021-03-26 00:46:05,913 INFO L154 LiptonReduction]: Checked pairs total: 106 [2021-03-26 00:46:05,913 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 00:46:05,913 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 18 [2021-03-26 00:46:05,915 INFO L480 AbstractCegarLoop]: Abstraction has has 41 places, 27 transitions, 149 flow [2021-03-26 00:46:05,915 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 90.75) internal successors, (363), 4 states have internal predecessors, (363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:46:05,915 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:46:05,915 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:46:05,915 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-26 00:46:05,916 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:46:05,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:46:05,916 INFO L82 PathProgramCache]: Analyzing trace with hash 565580212, now seen corresponding path program 1 times [2021-03-26 00:46:05,916 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:46:05,916 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910499225] [2021-03-26 00:46:05,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:46:05,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:46:05,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:46:05,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:46:05,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:46:05,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:46:05,979 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-26 00:46:05,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 00:46:05,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:46:05,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:46:05,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:46:05,984 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910499225] [2021-03-26 00:46:05,984 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:46:05,984 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 00:46:05,984 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678769594] [2021-03-26 00:46:05,985 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 00:46:05,985 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:46:05,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 00:46:05,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 00:46:05,986 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 121 [2021-03-26 00:46:05,986 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 27 transitions, 149 flow. Second operand has 5 states, 5 states have (on average 90.8) internal successors, (454), 5 states have internal predecessors, (454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:46:05,986 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:46:05,986 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 121 [2021-03-26 00:46:05,986 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:46:06,031 INFO L129 PetriNetUnfolder]: 25/77 cut-off events. [2021-03-26 00:46:06,031 INFO L130 PetriNetUnfolder]: For 408/480 co-relation queries the response was YES. [2021-03-26 00:46:06,032 INFO L84 FinitePrefix]: Finished finitePrefix Result has 306 conditions, 77 events. 25/77 cut-off events. For 408/480 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 251 event pairs, 4 based on Foata normal form. 31/105 useless extension candidates. Maximal degree in co-relation 288. Up to 44 conditions per place. [2021-03-26 00:46:06,032 INFO L132 encePairwiseOnDemand]: 115/121 looper letters, 5 selfloop transitions, 10 changer transitions 4/35 dead transitions. [2021-03-26 00:46:06,032 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 35 transitions, 233 flow [2021-03-26 00:46:06,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 00:46:06,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 00:46:06,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 561 transitions. [2021-03-26 00:46:06,033 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7727272727272727 [2021-03-26 00:46:06,034 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 561 transitions. [2021-03-26 00:46:06,034 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 561 transitions. [2021-03-26 00:46:06,034 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:46:06,034 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 561 transitions. [2021-03-26 00:46:06,035 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 93.5) internal successors, (561), 6 states have internal predecessors, (561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:46:06,036 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 121.0) internal successors, (847), 7 states have internal predecessors, (847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:46:06,036 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 121.0) internal successors, (847), 7 states have internal predecessors, (847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:46:06,036 INFO L185 Difference]: Start difference. First operand has 41 places, 27 transitions, 149 flow. Second operand 6 states and 561 transitions. [2021-03-26 00:46:06,036 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 35 transitions, 233 flow [2021-03-26 00:46:06,037 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 35 transitions, 227 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-03-26 00:46:06,051 INFO L241 Difference]: Finished difference. Result has 45 places, 31 transitions, 211 flow [2021-03-26 00:46:06,052 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=121, PETRI_DIFFERENCE_MINUEND_FLOW=131, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=211, PETRI_PLACES=45, PETRI_TRANSITIONS=31} [2021-03-26 00:46:06,052 INFO L343 CegarLoopForPetriNet]: 30 programPoint places, 15 predicate places. [2021-03-26 00:46:06,052 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:46:06,052 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 31 transitions, 211 flow [2021-03-26 00:46:06,052 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 31 transitions, 211 flow [2021-03-26 00:46:06,053 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 45 places, 31 transitions, 211 flow [2021-03-26 00:46:06,057 INFO L129 PetriNetUnfolder]: 21/73 cut-off events. [2021-03-26 00:46:06,057 INFO L130 PetriNetUnfolder]: For 261/287 co-relation queries the response was YES. [2021-03-26 00:46:06,058 INFO L84 FinitePrefix]: Finished finitePrefix Result has 309 conditions, 73 events. 21/73 cut-off events. For 261/287 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 268 event pairs, 4 based on Foata normal form. 5/76 useless extension candidates. Maximal degree in co-relation 290. Up to 40 conditions per place. [2021-03-26 00:46:06,058 INFO L142 LiptonReduction]: Number of co-enabled transitions 148 [2021-03-26 00:46:06,061 INFO L154 LiptonReduction]: Checked pairs total: 100 [2021-03-26 00:46:06,061 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 00:46:06,062 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 9 [2021-03-26 00:46:06,075 INFO L480 AbstractCegarLoop]: Abstraction has has 45 places, 30 transitions, 203 flow [2021-03-26 00:46:06,076 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 90.8) internal successors, (454), 5 states have internal predecessors, (454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:46:06,076 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:46:06,076 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:46:06,076 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-26 00:46:06,076 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:46:06,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:46:06,077 INFO L82 PathProgramCache]: Analyzing trace with hash 1036771333, now seen corresponding path program 1 times [2021-03-26 00:46:06,077 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:46:06,077 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448580152] [2021-03-26 00:46:06,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:46:06,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:46:06,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:46:06,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:46:06,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:46:06,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:46:06,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:46:06,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:46:06,121 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-26 00:46:06,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 00:46:06,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:46:06,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:46:06,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:46:06,128 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448580152] [2021-03-26 00:46:06,129 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:46:06,129 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 00:46:06,129 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649737001] [2021-03-26 00:46:06,129 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 00:46:06,129 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:46:06,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 00:46:06,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-26 00:46:06,130 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 121 [2021-03-26 00:46:06,130 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 30 transitions, 203 flow. Second operand has 6 states, 6 states have (on average 90.83333333333333) internal successors, (545), 6 states have internal predecessors, (545), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:46:06,130 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:46:06,131 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 121 [2021-03-26 00:46:06,131 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:46:06,170 INFO L129 PetriNetUnfolder]: 11/44 cut-off events. [2021-03-26 00:46:06,170 INFO L130 PetriNetUnfolder]: For 241/275 co-relation queries the response was YES. [2021-03-26 00:46:06,171 INFO L84 FinitePrefix]: Finished finitePrefix Result has 200 conditions, 44 events. 11/44 cut-off events. For 241/275 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 89 event pairs, 0 based on Foata normal form. 18/61 useless extension candidates. Maximal degree in co-relation 179. Up to 25 conditions per place. [2021-03-26 00:46:06,171 INFO L132 encePairwiseOnDemand]: 115/121 looper letters, 2 selfloop transitions, 11 changer transitions 3/32 dead transitions. [2021-03-26 00:46:06,171 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 32 transitions, 247 flow [2021-03-26 00:46:06,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 00:46:06,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 00:46:06,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 648 transitions. [2021-03-26 00:46:06,174 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7650531286894924 [2021-03-26 00:46:06,174 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 648 transitions. [2021-03-26 00:46:06,174 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 648 transitions. [2021-03-26 00:46:06,175 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:46:06,175 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 648 transitions. [2021-03-26 00:46:06,176 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 92.57142857142857) internal successors, (648), 7 states have internal predecessors, (648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:46:06,177 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 121.0) internal successors, (968), 8 states have internal predecessors, (968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:46:06,177 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 121.0) internal successors, (968), 8 states have internal predecessors, (968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:46:06,177 INFO L185 Difference]: Start difference. First operand has 45 places, 30 transitions, 203 flow. Second operand 7 states and 648 transitions. [2021-03-26 00:46:06,177 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 32 transitions, 247 flow [2021-03-26 00:46:06,178 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 32 transitions, 221 flow, removed 11 selfloop flow, removed 3 redundant places. [2021-03-26 00:46:06,179 INFO L241 Difference]: Finished difference. Result has 49 places, 29 transitions, 201 flow [2021-03-26 00:46:06,179 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=121, PETRI_DIFFERENCE_MINUEND_FLOW=159, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=201, PETRI_PLACES=49, PETRI_TRANSITIONS=29} [2021-03-26 00:46:06,179 INFO L343 CegarLoopForPetriNet]: 30 programPoint places, 19 predicate places. [2021-03-26 00:46:06,179 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:46:06,179 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 49 places, 29 transitions, 201 flow [2021-03-26 00:46:06,179 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 49 places, 29 transitions, 201 flow [2021-03-26 00:46:06,180 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 48 places, 29 transitions, 201 flow [2021-03-26 00:46:06,182 INFO L129 PetriNetUnfolder]: 9/41 cut-off events. [2021-03-26 00:46:06,183 INFO L130 PetriNetUnfolder]: For 91/97 co-relation queries the response was YES. [2021-03-26 00:46:06,183 INFO L84 FinitePrefix]: Finished finitePrefix Result has 172 conditions, 41 events. 9/41 cut-off events. For 91/97 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 76 event pairs, 0 based on Foata normal form. 2/42 useless extension candidates. Maximal degree in co-relation 151. Up to 15 conditions per place. [2021-03-26 00:46:06,183 INFO L142 LiptonReduction]: Number of co-enabled transitions 110 [2021-03-26 00:46:06,300 INFO L154 LiptonReduction]: Checked pairs total: 127 [2021-03-26 00:46:06,300 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 00:46:06,300 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 121 [2021-03-26 00:46:06,302 INFO L480 AbstractCegarLoop]: Abstraction has has 45 places, 26 transitions, 187 flow [2021-03-26 00:46:06,302 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 90.83333333333333) internal successors, (545), 6 states have internal predecessors, (545), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:46:06,302 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:46:06,302 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 00:46:06,302 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-26 00:46:06,302 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:46:06,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:46:06,303 INFO L82 PathProgramCache]: Analyzing trace with hash -2047962731, now seen corresponding path program 1 times [2021-03-26 00:46:06,303 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:46:06,303 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6120876] [2021-03-26 00:46:06,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:46:06,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:46:06,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:46:06,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:46:06,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:46:06,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:46:06,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:46:06,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:46:06,349 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-26 00:46:06,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 00:46:06,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:46:06,352 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6120876] [2021-03-26 00:46:06,353 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:46:06,353 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 00:46:06,353 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123867386] [2021-03-26 00:46:06,353 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 00:46:06,354 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:46:06,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 00:46:06,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-26 00:46:06,355 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 123 [2021-03-26 00:46:06,355 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 26 transitions, 187 flow. Second operand has 5 states, 5 states have (on average 94.0) internal successors, (470), 5 states have internal predecessors, (470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:46:06,355 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:46:06,355 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 123 [2021-03-26 00:46:06,355 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:46:06,372 INFO L129 PetriNetUnfolder]: 14/49 cut-off events. [2021-03-26 00:46:06,373 INFO L130 PetriNetUnfolder]: For 497/517 co-relation queries the response was YES. [2021-03-26 00:46:06,373 INFO L84 FinitePrefix]: Finished finitePrefix Result has 218 conditions, 49 events. 14/49 cut-off events. For 497/517 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 123 event pairs, 0 based on Foata normal form. 10/57 useless extension candidates. Maximal degree in co-relation 195. Up to 19 conditions per place. [2021-03-26 00:46:06,373 INFO L132 encePairwiseOnDemand]: 120/123 looper letters, 3 selfloop transitions, 1 changer transitions 5/27 dead transitions. [2021-03-26 00:46:06,373 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 27 transitions, 205 flow [2021-03-26 00:46:06,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 00:46:06,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 00:46:06,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 378 transitions. [2021-03-26 00:46:06,374 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7682926829268293 [2021-03-26 00:46:06,374 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 378 transitions. [2021-03-26 00:46:06,375 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 378 transitions. [2021-03-26 00:46:06,375 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:46:06,375 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 378 transitions. [2021-03-26 00:46:06,375 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 94.5) internal successors, (378), 4 states have internal predecessors, (378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:46:06,376 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 123.0) internal successors, (615), 5 states have internal predecessors, (615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:46:06,377 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 123.0) internal successors, (615), 5 states have internal predecessors, (615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:46:06,377 INFO L185 Difference]: Start difference. First operand has 45 places, 26 transitions, 187 flow. Second operand 4 states and 378 transitions. [2021-03-26 00:46:06,377 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 27 transitions, 205 flow [2021-03-26 00:46:06,379 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 27 transitions, 157 flow, removed 15 selfloop flow, removed 8 redundant places. [2021-03-26 00:46:06,380 INFO L241 Difference]: Finished difference. Result has 42 places, 22 transitions, 127 flow [2021-03-26 00:46:06,380 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=123, PETRI_DIFFERENCE_MINUEND_FLOW=141, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=127, PETRI_PLACES=42, PETRI_TRANSITIONS=22} [2021-03-26 00:46:06,380 INFO L343 CegarLoopForPetriNet]: 30 programPoint places, 12 predicate places. [2021-03-26 00:46:06,380 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:46:06,381 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 22 transitions, 127 flow [2021-03-26 00:46:06,381 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 22 transitions, 127 flow [2021-03-26 00:46:06,381 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 22 transitions, 127 flow [2021-03-26 00:46:06,385 INFO L129 PetriNetUnfolder]: 6/30 cut-off events. [2021-03-26 00:46:06,386 INFO L130 PetriNetUnfolder]: For 111/118 co-relation queries the response was YES. [2021-03-26 00:46:06,386 INFO L84 FinitePrefix]: Finished finitePrefix Result has 101 conditions, 30 events. 6/30 cut-off events. For 111/118 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 41 event pairs, 0 based on Foata normal form. 4/33 useless extension candidates. Maximal degree in co-relation 84. Up to 10 conditions per place. [2021-03-26 00:46:06,386 INFO L142 LiptonReduction]: Number of co-enabled transitions 46 [2021-03-26 00:46:06,526 INFO L154 LiptonReduction]: Checked pairs total: 101 [2021-03-26 00:46:06,527 INFO L156 LiptonReduction]: Total number of compositions: 6 [2021-03-26 00:46:06,527 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 147 [2021-03-26 00:46:06,528 INFO L480 AbstractCegarLoop]: Abstraction has has 38 places, 20 transitions, 147 flow [2021-03-26 00:46:06,528 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 94.0) internal successors, (470), 5 states have internal predecessors, (470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:46:06,528 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:46:06,528 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:46:06,528 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-26 00:46:06,528 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:46:06,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:46:06,529 INFO L82 PathProgramCache]: Analyzing trace with hash 1222338632, now seen corresponding path program 1 times [2021-03-26 00:46:06,529 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:46:06,529 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388864064] [2021-03-26 00:46:06,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:46:06,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:46:06,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:46:06,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:46:06,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:46:06,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:46:06,582 INFO L142 QuantifierPusher]: treesize reduction 3, result has 81.3 percent of original size [2021-03-26 00:46:06,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 00:46:06,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:46:06,586 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388864064] [2021-03-26 00:46:06,586 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:46:06,586 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 00:46:06,587 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875644449] [2021-03-26 00:46:06,587 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 00:46:06,587 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:46:06,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 00:46:06,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 00:46:06,588 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 129 [2021-03-26 00:46:06,589 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 20 transitions, 147 flow. Second operand has 4 states, 4 states have (on average 92.5) internal successors, (370), 4 states have internal predecessors, (370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:46:06,589 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:46:06,589 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 129 [2021-03-26 00:46:06,589 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:46:06,603 INFO L129 PetriNetUnfolder]: 5/28 cut-off events. [2021-03-26 00:46:06,604 INFO L130 PetriNetUnfolder]: For 129/146 co-relation queries the response was YES. [2021-03-26 00:46:06,604 INFO L84 FinitePrefix]: Finished finitePrefix Result has 120 conditions, 28 events. 5/28 cut-off events. For 129/146 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 48 event pairs, 0 based on Foata normal form. 4/31 useless extension candidates. Maximal degree in co-relation 108. Up to 11 conditions per place. [2021-03-26 00:46:06,604 INFO L132 encePairwiseOnDemand]: 120/129 looper letters, 0 selfloop transitions, 0 changer transitions 19/19 dead transitions. [2021-03-26 00:46:06,604 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 19 transitions, 145 flow [2021-03-26 00:46:06,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 00:46:06,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 00:46:06,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 464 transitions. [2021-03-26 00:46:06,605 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7193798449612403 [2021-03-26 00:46:06,605 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 464 transitions. [2021-03-26 00:46:06,605 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 464 transitions. [2021-03-26 00:46:06,606 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:46:06,606 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 464 transitions. [2021-03-26 00:46:06,606 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 92.8) internal successors, (464), 5 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 00:46:06,607 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 129.0) internal successors, (774), 6 states have internal predecessors, (774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:46:06,608 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 129.0) internal successors, (774), 6 states have internal predecessors, (774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:46:06,608 INFO L185 Difference]: Start difference. First operand has 38 places, 20 transitions, 147 flow. Second operand 5 states and 464 transitions. [2021-03-26 00:46:06,608 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 19 transitions, 145 flow [2021-03-26 00:46:06,608 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 19 transitions, 95 flow, removed 8 selfloop flow, removed 9 redundant places. [2021-03-26 00:46:06,608 INFO L241 Difference]: Finished difference. Result has 32 places, 0 transitions, 0 flow [2021-03-26 00:46:06,609 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=79, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=32, PETRI_TRANSITIONS=0} [2021-03-26 00:46:06,609 INFO L343 CegarLoopForPetriNet]: 30 programPoint places, 2 predicate places. [2021-03-26 00:46:06,609 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:46:06,609 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 32 places, 0 transitions, 0 flow [2021-03-26 00:46:06,609 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 32 places, 0 transitions, 0 flow [2021-03-26 00:46:06,609 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2021-03-26 00:46:06,609 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2021-03-26 00:46:06,609 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 00:46:06,609 INFO L84 FinitePrefix]: Finished finitePrefix Result has 0 conditions, 0 events. 0/0 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 0. Compared 0 event pairs, 0 based on Foata normal form. 0/0 useless extension candidates. Maximal degree in co-relation 0. Up to 0 conditions per place. [2021-03-26 00:46:06,610 INFO L142 LiptonReduction]: Number of co-enabled transitions 0 [2021-03-26 00:46:06,610 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 00:46:06,610 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 00:46:06,610 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1 [2021-03-26 00:46:06,610 INFO L480 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2021-03-26 00:46:06,610 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 92.5) internal successors, (370), 4 states have internal predecessors, (370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:46:06,611 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-26 00:46:06,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.03 12:46:06 BasicIcfg [2021-03-26 00:46:06,613 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-26 00:46:06,614 INFO L168 Benchmark]: Toolchain (without parser) took 4529.85 ms. Allocated memory was 343.9 MB in the beginning and 413.1 MB in the end (delta: 69.2 MB). Free memory was 307.0 MB in the beginning and 215.5 MB in the end (delta: 91.5 MB). Peak memory consumption was 163.6 MB. Max. memory is 16.0 GB. [2021-03-26 00:46:06,614 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 343.9 MB. Free memory was 324.8 MB in the beginning and 324.8 MB in the end (delta: 71.1 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 00:46:06,614 INFO L168 Benchmark]: CACSL2BoogieTranslator took 427.08 ms. Allocated memory is still 343.9 MB. Free memory was 306.9 MB in the beginning and 304.6 MB in the end (delta: 2.3 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.0 GB. [2021-03-26 00:46:06,614 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.05 ms. Allocated memory is still 343.9 MB. Free memory was 304.6 MB in the beginning and 302.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-26 00:46:06,623 INFO L168 Benchmark]: Boogie Preprocessor took 25.83 ms. Allocated memory is still 343.9 MB. Free memory was 302.5 MB in the beginning and 301.5 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 00:46:06,623 INFO L168 Benchmark]: RCFGBuilder took 421.51 ms. Allocated memory is still 343.9 MB. Free memory was 300.4 MB in the beginning and 277.4 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. [2021-03-26 00:46:06,624 INFO L168 Benchmark]: TraceAbstraction took 3607.52 ms. Allocated memory was 343.9 MB in the beginning and 413.1 MB in the end (delta: 69.2 MB). Free memory was 277.4 MB in the beginning and 215.5 MB in the end (delta: 61.8 MB). Peak memory consumption was 131.0 MB. Max. memory is 16.0 GB. [2021-03-26 00:46:06,624 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 343.9 MB. Free memory was 324.8 MB in the beginning and 324.8 MB in the end (delta: 71.1 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 427.08 ms. Allocated memory is still 343.9 MB. Free memory was 306.9 MB in the beginning and 304.6 MB in the end (delta: 2.3 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 44.05 ms. Allocated memory is still 343.9 MB. Free memory was 304.6 MB in the beginning and 302.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 25.83 ms. Allocated memory is still 343.9 MB. Free memory was 302.5 MB in the beginning and 301.5 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 421.51 ms. Allocated memory is still 343.9 MB. Free memory was 300.4 MB in the beginning and 277.4 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 3607.52 ms. Allocated memory was 343.9 MB in the beginning and 413.1 MB in the end (delta: 69.2 MB). Free memory was 277.4 MB in the beginning and 215.5 MB in the end (delta: 61.8 MB). Peak memory consumption was 131.0 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1326.6ms, 70 PlacesBefore, 30 PlacesAfterwards, 61 TransitionsBefore, 20 TransitionsAfterwards, 864 CoEnabledTransitionPairs, 5 FixpointIterations, 17 TrivialSequentialCompositions, 23 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 1 ChoiceCompositions, 43 TotalNumberOfCompositions, 1248 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 838, positive: 794, positive conditional: 794, positive unconditional: 0, negative: 44, negative conditional: 44, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 647, positive: 625, positive conditional: 0, positive unconditional: 625, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 647, positive: 625, positive conditional: 0, positive unconditional: 625, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 647, positive: 619, positive conditional: 0, positive unconditional: 619, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 28, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 69, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 51, negative conditional: 0, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 838, positive: 169, positive conditional: 169, positive unconditional: 0, negative: 22, negative conditional: 22, negative unconditional: 0, unknown: 647, unknown conditional: 647, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 41, Positive cache size: 36, Positive conditional cache size: 36, Positive unconditional cache size: 0, Negative cache size: 5, Negative conditional cache size: 5, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 556.4ms, 34 PlacesBefore, 30 PlacesAfterwards, 22 TransitionsBefore, 20 TransitionsAfterwards, 150 CoEnabledTransitionPairs, 3 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 342 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 126, positive: 96, positive conditional: 96, positive unconditional: 0, negative: 30, negative conditional: 30, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 33, positive: 27, positive conditional: 4, positive unconditional: 23, negative: 6, negative conditional: 3, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 33, positive: 27, positive conditional: 4, positive unconditional: 23, negative: 6, negative conditional: 3, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 33, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 9, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 6, negative conditional: 3, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 31, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 21, negative conditional: 11, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 126, positive: 69, positive conditional: 69, positive unconditional: 0, negative: 24, negative conditional: 24, negative unconditional: 0, unknown: 33, unknown conditional: 33, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 74, Positive cache size: 63, Positive conditional cache size: 63, Positive unconditional cache size: 0, Negative cache size: 11, Negative conditional cache size: 11, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 28.8ms, 43 PlacesBefore, 39 PlacesAfterwards, 28 TransitionsBefore, 28 TransitionsAfterwards, 192 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 175 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 92, positive: 81, positive conditional: 81, positive unconditional: 0, negative: 11, negative conditional: 11, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18, positive: 16, positive conditional: 8, positive unconditional: 8, negative: 2, negative conditional: 1, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 18, positive: 16, positive conditional: 8, positive unconditional: 8, 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: 18, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 1, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 3, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 92, positive: 65, positive conditional: 65, positive unconditional: 0, negative: 9, negative conditional: 9, negative unconditional: 0, unknown: 18, unknown conditional: 18, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 92, Positive cache size: 79, Positive conditional cache size: 79, Positive unconditional cache size: 0, Negative cache size: 13, Negative conditional cache size: 13, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 10.0ms, 42 PlacesBefore, 40 PlacesAfterwards, 28 TransitionsBefore, 28 TransitionsAfterwards, 186 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 163 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 75, positive: 64, positive conditional: 64, positive unconditional: 0, negative: 11, negative conditional: 11, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16, positive: 15, positive conditional: 5, positive unconditional: 10, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 16, positive: 15, positive conditional: 5, positive unconditional: 10, 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: 16, positive: 15, positive conditional: 0, positive unconditional: 15, 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: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 75, positive: 49, positive conditional: 49, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 16, unknown conditional: 16, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 108, Positive cache size: 94, Positive conditional cache size: 94, Positive unconditional cache size: 0, Negative cache size: 14, Negative conditional cache size: 14, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7.2ms, 44 PlacesBefore, 42 PlacesAfterwards, 22 TransitionsBefore, 22 TransitionsAfterwards, 126 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 97 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 39, positive: 31, positive conditional: 31, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 2, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 2, 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: 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: 39, positive: 28, positive conditional: 28, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 111, Positive cache size: 97, Positive conditional cache size: 97, Positive unconditional cache size: 0, Negative cache size: 14, Negative conditional cache size: 14, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 17.9ms, 41 PlacesBefore, 41 PlacesAfterwards, 28 TransitionsBefore, 27 TransitionsAfterwards, 164 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 106 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 38, positive: 30, positive conditional: 30, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15, positive: 14, positive conditional: 11, positive unconditional: 3, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 15, positive: 14, positive conditional: 11, positive unconditional: 3, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 15, positive: 14, positive conditional: 0, positive unconditional: 14, 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: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 38, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 15, unknown conditional: 15, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 107, Positive cache size: 95, Positive conditional cache size: 95, Positive unconditional cache size: 0, Negative cache size: 12, Negative conditional cache size: 12, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9.1ms, 45 PlacesBefore, 45 PlacesAfterwards, 31 TransitionsBefore, 30 TransitionsAfterwards, 148 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 100 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 42, positive: 34, positive conditional: 34, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13, positive: 13, positive conditional: 10, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 13, positive: 13, positive conditional: 10, 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: 13, positive: 13, positive conditional: 0, positive unconditional: 13, 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: 42, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 13, unknown conditional: 13, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 110, Positive cache size: 98, Positive conditional cache size: 98, Positive unconditional cache size: 0, Negative cache size: 12, Negative conditional cache size: 12, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 120.4ms, 49 PlacesBefore, 45 PlacesAfterwards, 29 TransitionsBefore, 26 TransitionsAfterwards, 110 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 127 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 47, positive: 32, positive conditional: 32, positive unconditional: 0, negative: 15, negative conditional: 15, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 7, 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: 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: 47, positive: 25, positive conditional: 25, positive unconditional: 0, negative: 15, negative conditional: 15, negative unconditional: 0, unknown: 7, unknown conditional: 7, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 95, Positive cache size: 83, Positive conditional cache size: 83, Positive unconditional cache size: 0, Negative cache size: 12, Negative conditional cache size: 12, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 145.8ms, 42 PlacesBefore, 38 PlacesAfterwards, 22 TransitionsBefore, 20 TransitionsAfterwards, 46 CoEnabledTransitionPairs, 4 FixpointIterations, 0 TrivialSequentialCompositions, 6 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 6 TotalNumberOfCompositions, 101 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 53, positive: 44, positive conditional: 44, positive unconditional: 0, negative: 9, negative conditional: 9, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16, positive: 15, positive conditional: 13, positive unconditional: 2, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 16, positive: 15, positive conditional: 13, positive unconditional: 2, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 16, positive: 15, positive conditional: 0, positive unconditional: 15, 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: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 16, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 16, negative conditional: 16, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 53, positive: 29, positive conditional: 29, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 16, unknown conditional: 16, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 7, Positive conditional cache size: 7, Positive unconditional cache size: 0, Negative cache size: 1, Negative conditional cache size: 1, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.5ms, 32 PlacesBefore, 0 PlacesAfterwards, 0 TransitionsBefore, 0 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 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] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 7, Positive conditional cache size: 7, Positive unconditional cache size: 0, Negative cache size: 1, Negative conditional cache size: 1, Negative unconditional cache size: 0 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 75 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 3.7ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 3518.9ms, OverallIterations: 9, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 465.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1400.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 50 SDtfs, 55 SDslu, 51 SDs, 0 SdLazy, 146 SolverSat, 29 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 88.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 45 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 154.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=211occurred in iteration=6, InterpolantAutomatonStates: 52, 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: 13.8ms SsaConstructionTime, 138.6ms SatisfiabilityAnalysisTime, 450.8ms InterpolantComputationTime, 119 NumberOfCodeBlocks, 119 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 110 ConstructedInterpolants, 0 QuantifiedInterpolants, 543 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...