/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix038_power.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-0e22065b97d0a1f8b3904e080cebe0f05e88d2b7-0e22065 [2021-06-11 06:15:51,956 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-11 06:15:51,959 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-11 06:15:51,989 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-11 06:15:51,990 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-11 06:15:51,994 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-11 06:15:51,996 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-11 06:15:52,003 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-11 06:15:52,005 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-11 06:15:52,010 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-11 06:15:52,011 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-11 06:15:52,012 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-11 06:15:52,013 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-11 06:15:52,015 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-11 06:15:52,016 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-11 06:15:52,017 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-11 06:15:52,020 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-11 06:15:52,021 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-11 06:15:52,023 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-11 06:15:52,028 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-11 06:15:52,029 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-11 06:15:52,030 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-11 06:15:52,031 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-11 06:15:52,031 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-11 06:15:52,033 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-11 06:15:52,033 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-11 06:15:52,033 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-11 06:15:52,034 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-11 06:15:52,034 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-11 06:15:52,035 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-11 06:15:52,035 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-11 06:15:52,036 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-11 06:15:52,036 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-11 06:15:52,037 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-11 06:15:52,037 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-11 06:15:52,038 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-11 06:15:52,038 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-11 06:15:52,038 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-11 06:15:52,038 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-11 06:15:52,039 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-11 06:15:52,040 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-11 06:15:52,040 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbe.epf [2021-06-11 06:15:52,059 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-11 06:15:52,059 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-11 06:15:52,060 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-11 06:15:52,061 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-11 06:15:52,061 INFO L138 SettingsManager]: * Use SBE=true [2021-06-11 06:15:52,061 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-11 06:15:52,061 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-11 06:15:52,061 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-11 06:15:52,061 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-11 06:15:52,061 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-11 06:15:52,062 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-11 06:15:52,062 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-11 06:15:52,062 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-11 06:15:52,062 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-11 06:15:52,062 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-11 06:15:52,062 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-11 06:15:52,062 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-11 06:15:52,062 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-11 06:15:52,063 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-11 06:15:52,063 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-11 06:15:52,063 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-11 06:15:52,063 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-11 06:15:52,063 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-11 06:15:52,063 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-11 06:15:52,063 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-11 06:15:52,063 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-11 06:15:52,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-11 06:15:52,064 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-06-11 06:15:52,064 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-11 06:15:52,064 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-11 06:15:52,362 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-11 06:15:52,383 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-11 06:15:52,386 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-11 06:15:52,387 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-11 06:15:52,387 INFO L275 PluginConnector]: CDTParser initialized [2021-06-11 06:15:52,388 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix038_power.opt.i [2021-06-11 06:15:52,467 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a106ee3a/446922c1159d4e48894074fccdf8534c/FLAGb29949482 [2021-06-11 06:15:52,958 INFO L306 CDTParser]: Found 1 translation units. [2021-06-11 06:15:52,959 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix038_power.opt.i [2021-06-11 06:15:52,969 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a106ee3a/446922c1159d4e48894074fccdf8534c/FLAGb29949482 [2021-06-11 06:15:53,284 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a106ee3a/446922c1159d4e48894074fccdf8534c [2021-06-11 06:15:53,287 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-11 06:15:53,288 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-11 06:15:53,289 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-11 06:15:53,289 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-11 06:15:53,302 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-11 06:15:53,303 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.06 06:15:53" (1/1) ... [2021-06-11 06:15:53,304 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b5163f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:15:53, skipping insertion in model container [2021-06-11 06:15:53,304 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.06 06:15:53" (1/1) ... [2021-06-11 06:15:53,309 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-11 06:15:53,345 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-11 06:15:53,472 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/mix038_power.opt.i[950,963] [2021-06-11 06:15:53,689 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-11 06:15:53,698 INFO L203 MainTranslator]: Completed pre-run [2021-06-11 06:15:53,708 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/mix038_power.opt.i[950,963] [2021-06-11 06:15:53,760 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-11 06:15:53,831 INFO L208 MainTranslator]: Completed translation [2021-06-11 06:15:53,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:15:53 WrapperNode [2021-06-11 06:15:53,832 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-11 06:15:53,833 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-11 06:15:53,834 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-11 06:15:53,834 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-11 06:15:53,840 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:15:53" (1/1) ... [2021-06-11 06:15:53,873 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:15:53" (1/1) ... [2021-06-11 06:15:53,902 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-11 06:15:53,903 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-11 06:15:53,903 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-11 06:15:53,904 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-11 06:15:53,910 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:15:53" (1/1) ... [2021-06-11 06:15:53,911 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:15:53" (1/1) ... [2021-06-11 06:15:53,929 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:15:53" (1/1) ... [2021-06-11 06:15:53,929 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:15:53" (1/1) ... [2021-06-11 06:15:53,935 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:15:53" (1/1) ... [2021-06-11 06:15:53,938 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:15:53" (1/1) ... [2021-06-11 06:15:53,940 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:15:53" (1/1) ... [2021-06-11 06:15:53,943 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-11 06:15:53,944 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-11 06:15:53,944 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-11 06:15:53,944 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-11 06:15:53,945 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:15:53" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-11 06:15:54,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-11 06:15:54,019 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-11 06:15:54,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-11 06:15:54,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-11 06:15:54,019 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-11 06:15:54,020 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-11 06:15:54,020 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-11 06:15:54,021 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-11 06:15:54,021 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-11 06:15:54,021 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-11 06:15:54,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-11 06:15:54,021 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-11 06:15:54,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-11 06:15:54,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-11 06:15:54,023 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-11 06:15:55,761 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-11 06:15:55,762 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-06-11 06:15:55,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 06:15:55 BoogieIcfgContainer [2021-06-11 06:15:55,764 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-11 06:15:55,765 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-11 06:15:55,765 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-11 06:15:55,768 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-11 06:15:55,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.06 06:15:53" (1/3) ... [2021-06-11 06:15:55,769 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@393eedb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.06 06:15:55, skipping insertion in model container [2021-06-11 06:15:55,769 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:15:53" (2/3) ... [2021-06-11 06:15:55,769 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@393eedb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.06 06:15:55, skipping insertion in model container [2021-06-11 06:15:55,769 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 06:15:55" (3/3) ... [2021-06-11 06:15:55,771 INFO L111 eAbstractionObserver]: Analyzing ICFG mix038_power.opt.i [2021-06-11 06:15:55,777 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-11 06:15:55,781 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-06-11 06:15:55,782 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-11 06:15:55,817 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,817 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,817 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,817 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,818 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,818 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,818 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,818 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,818 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,818 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,818 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,819 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,819 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,819 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,819 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,819 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,819 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,819 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,820 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,820 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,820 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,820 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,820 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,820 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,820 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,821 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,821 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,822 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,822 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,822 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,822 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,822 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,822 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,822 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,823 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,823 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,823 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,823 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,823 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,823 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,824 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,824 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,824 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,824 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,824 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,824 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,824 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,824 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,824 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,825 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,825 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,825 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,825 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,825 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,825 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,826 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,826 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,826 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,828 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,828 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,828 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,828 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,829 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,829 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,829 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,829 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,829 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,829 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,829 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,829 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,829 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,830 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,830 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,830 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,830 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,830 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,831 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,831 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,831 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,831 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,831 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,832 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,832 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,832 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,832 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,832 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,832 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,833 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,833 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,833 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,833 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,833 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,833 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,833 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,833 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,834 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,836 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,836 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,837 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,837 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,841 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,841 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,841 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,841 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,847 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,847 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,847 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,847 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,847 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,847 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,848 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,848 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,848 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,848 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,848 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,848 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,849 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,849 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,849 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,849 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,849 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,849 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,849 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,850 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,850 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,850 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,850 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,850 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,851 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,851 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,851 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,852 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,852 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,852 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,854 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,854 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,854 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,855 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,855 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,855 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,855 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,855 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,855 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,855 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,855 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,856 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,858 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,858 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,858 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,858 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,859 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,860 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,860 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,860 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,860 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,860 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,861 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,861 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,861 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,861 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,861 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,861 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,861 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,861 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,862 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,862 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,862 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,862 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,862 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,862 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,862 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,863 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,863 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,863 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,863 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,863 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,863 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:15:55,864 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-11 06:15:55,880 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-06-11 06:15:55,907 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-06-11 06:15:55,908 INFO L377 AbstractCegarLoop]: Hoare is false [2021-06-11 06:15:55,908 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-11 06:15:55,908 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-11 06:15:55,908 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-11 06:15:55,908 INFO L381 AbstractCegarLoop]: Difference is false [2021-06-11 06:15:55,908 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-11 06:15:55,909 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-11 06:15:55,922 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 108 places, 100 transitions, 215 flow [2021-06-11 06:15:55,963 INFO L129 PetriNetUnfolder]: 2/97 cut-off events. [2021-06-11 06:15:55,964 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 06:15:55,973 INFO L84 FinitePrefix]: Finished finitePrefix Result has 107 conditions, 97 events. 2/97 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 65 event pairs, 0 based on Foata normal form. 0/93 useless extension candidates. Maximal degree in co-relation 61. Up to 2 conditions per place. [2021-06-11 06:15:55,973 INFO L82 GeneralOperation]: Start removeDead. Operand has 108 places, 100 transitions, 215 flow [2021-06-11 06:15:55,987 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 105 places, 97 transitions, 203 flow [2021-06-11 06:15:55,988 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:15:55,999 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 105 places, 97 transitions, 203 flow [2021-06-11 06:15:56,001 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 105 places, 97 transitions, 203 flow [2021-06-11 06:15:56,003 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 105 places, 97 transitions, 203 flow [2021-06-11 06:15:56,019 INFO L129 PetriNetUnfolder]: 2/97 cut-off events. [2021-06-11 06:15:56,020 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 06:15:56,020 INFO L84 FinitePrefix]: Finished finitePrefix Result has 107 conditions, 97 events. 2/97 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 60 event pairs, 0 based on Foata normal form. 0/93 useless extension candidates. Maximal degree in co-relation 61. Up to 2 conditions per place. [2021-06-11 06:15:56,023 INFO L151 LiptonReduction]: Number of co-enabled transitions 1644 [2021-06-11 06:15:56,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:56,144 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:15:56,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:56,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:15:56,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:15:56,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:56,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:15:56,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:56,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:15:56,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:56,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:15:56,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:56,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:15:56,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:56,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:15:56,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:56,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:15:56,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:56,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:15:56,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:56,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:15:56,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:56,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:15:56,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:56,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:15:56,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:56,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:15:56,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:56,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:15:56,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:15:56,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:56,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:15:56,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:56,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:15:56,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:56,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:15:56,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:56,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:15:56,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:56,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:15:56,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:56,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:15:56,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:56,719 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:15:56,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:56,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:15:56,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:15:56,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:56,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:15:56,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:56,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:15:56,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:56,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:15:56,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:56,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:15:56,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:56,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:15:57,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:57,120 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2021-06-11 06:15:57,121 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 06:15:57,147 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:57,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:15:57,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:57,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:15:57,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:57,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:15:57,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:57,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:15:57,419 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-06-11 06:15:57,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:15:57,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:57,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:15:57,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:57,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:15:57,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:57,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:15:57,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:57,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:15:57,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:57,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:15:57,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:57,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:15:57,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:57,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:15:57,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:57,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:15:57,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:57,918 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:15:57,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:57,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:15:57,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:15:57,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:57,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:15:58,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:58,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:15:58,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:58,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:15:58,263 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-06-11 06:15:58,719 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 88 [2021-06-11 06:15:58,880 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-06-11 06:15:58,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:58,902 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:15:58,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:58,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-06-11 06:15:58,906 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:15:58,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:58,908 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 3, 2, 2, 1] term [2021-06-11 06:15:58,908 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 06:15:58,911 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:58,914 INFO L147 QuantifierPusher]: treesize reduction 39, result has 69.0 percent of original size 87 [2021-06-11 06:15:58,914 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:15:58,916 INFO L142 QuantifierPusher]: treesize reduction 39, result has 75.6 percent of original size [2021-06-11 06:15:58,917 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 3, 4, 2, 1] term [2021-06-11 06:15:58,917 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 06:15:58,919 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:58,921 INFO L147 QuantifierPusher]: treesize reduction 113, result has 30.7 percent of original size 50 [2021-06-11 06:15:58,922 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 3, 3, 4, 2, 1] term [2021-06-11 06:15:58,922 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 06:15:58,924 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:58,927 INFO L147 QuantifierPusher]: treesize reduction 189, result has 28.4 percent of original size 75 [2021-06-11 06:15:58,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:58,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:15:59,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:59,209 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:15:59,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:59,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:15:59,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:15:59,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:59,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:15:59,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:59,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:15:59,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:59,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:15:59,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:59,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:15:59,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:59,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:15:59,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:59,481 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:15:59,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:59,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:15:59,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:15:59,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:59,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:15:59,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:59,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:15:59,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:15:59,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:59,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:15:59,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:59,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:15:59,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:59,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:15:59,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:59,929 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:15:59,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:59,933 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:15:59,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:59,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 06:15:59,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:15:59,935 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:15:59,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:59,937 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:15:59,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:59,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 06:15:59,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 06:15:59,938 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:15:59,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:59,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 06:15:59,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 06:15:59,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:59,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:00,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:00,015 INFO L147 QuantifierPusher]: treesize reduction 80, result has 25.2 percent of original size 27 [2021-06-11 06:16:00,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:00,254 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:16:00,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:00,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:16:00,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:16:00,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:00,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:00,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:00,851 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:16:00,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:00,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:16:00,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:16:01,327 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 118 [2021-06-11 06:16:01,455 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-06-11 06:16:01,769 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 118 [2021-06-11 06:16:01,920 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-06-11 06:16:01,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:01,942 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:16:01,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:01,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:16:01,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:16:01,956 INFO L163 LiptonReduction]: Checked pairs total: 4213 [2021-06-11 06:16:01,956 INFO L165 LiptonReduction]: Total number of compositions: 93 [2021-06-11 06:16:01,958 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5971 [2021-06-11 06:16:01,966 INFO L129 PetriNetUnfolder]: 1/16 cut-off events. [2021-06-11 06:16:01,967 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 06:16:01,967 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:16:01,967 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:16:01,968 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:16:01,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:16:01,972 INFO L82 PathProgramCache]: Analyzing trace with hash -188955279, now seen corresponding path program 1 times [2021-06-11 06:16:01,977 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:16:01,977 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139840848] [2021-06-11 06:16:01,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:16:02,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:16:02,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:02,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:16:02,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:16:02,121 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139840848] [2021-06-11 06:16:02,122 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:16:02,122 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-06-11 06:16:02,122 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566211420] [2021-06-11 06:16:02,129 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 06:16:02,129 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:16:02,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 06:16:02,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 06:16:02,141 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 193 [2021-06-11 06:16:02,144 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 25 transitions, 59 flow. Second operand has 3 states, 3 states have (on average 162.66666666666666) internal successors, (488), 3 states have internal predecessors, (488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:02,144 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:16:02,144 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 193 [2021-06-11 06:16:02,145 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:16:02,178 INFO L129 PetriNetUnfolder]: 9/48 cut-off events. [2021-06-11 06:16:02,178 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 06:16:02,179 INFO L84 FinitePrefix]: Finished finitePrefix Result has 80 conditions, 48 events. 9/48 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 124 event pairs, 1 based on Foata normal form. 11/55 useless extension candidates. Maximal degree in co-relation 70. Up to 17 conditions per place. [2021-06-11 06:16:02,180 INFO L132 encePairwiseOnDemand]: 188/193 looper letters, 5 selfloop transitions, 2 changer transitions 0/24 dead transitions. [2021-06-11 06:16:02,180 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 24 transitions, 71 flow [2021-06-11 06:16:02,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 06:16:02,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 06:16:02,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 498 transitions. [2021-06-11 06:16:02,192 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8601036269430051 [2021-06-11 06:16:02,192 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 498 transitions. [2021-06-11 06:16:02,193 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 498 transitions. [2021-06-11 06:16:02,194 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:16:02,196 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 498 transitions. [2021-06-11 06:16:02,200 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 166.0) internal successors, (498), 3 states have internal predecessors, (498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:02,205 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 193.0) internal successors, (772), 4 states have internal predecessors, (772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:02,205 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 193.0) internal successors, (772), 4 states have internal predecessors, (772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:02,207 INFO L185 Difference]: Start difference. First operand has 34 places, 25 transitions, 59 flow. Second operand 3 states and 498 transitions. [2021-06-11 06:16:02,208 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 24 transitions, 71 flow [2021-06-11 06:16:02,209 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 24 transitions, 68 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-06-11 06:16:02,210 INFO L241 Difference]: Finished difference. Result has 31 places, 22 transitions, 54 flow [2021-06-11 06:16:02,212 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=193, PETRI_DIFFERENCE_MINUEND_FLOW=50, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=54, PETRI_PLACES=31, PETRI_TRANSITIONS=22} [2021-06-11 06:16:02,213 INFO L343 CegarLoopForPetriNet]: 34 programPoint places, -3 predicate places. [2021-06-11 06:16:02,213 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:16:02,213 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 31 places, 22 transitions, 54 flow [2021-06-11 06:16:02,213 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 31 places, 22 transitions, 54 flow [2021-06-11 06:16:02,213 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 31 places, 22 transitions, 54 flow [2021-06-11 06:16:02,217 INFO L129 PetriNetUnfolder]: 0/22 cut-off events. [2021-06-11 06:16:02,217 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 06:16:02,217 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32 conditions, 22 events. 0/22 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 26 event pairs, 0 based on Foata normal form. 0/20 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-06-11 06:16:02,218 INFO L151 LiptonReduction]: Number of co-enabled transitions 224 [2021-06-11 06:16:02,281 INFO L163 LiptonReduction]: Checked pairs total: 260 [2021-06-11 06:16:02,281 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:16:02,281 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 68 [2021-06-11 06:16:02,282 INFO L480 AbstractCegarLoop]: Abstraction has has 31 places, 22 transitions, 54 flow [2021-06-11 06:16:02,282 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 162.66666666666666) internal successors, (488), 3 states have internal predecessors, (488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:02,282 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:16:02,282 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:16:02,283 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-11 06:16:02,283 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:16:02,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:16:02,283 INFO L82 PathProgramCache]: Analyzing trace with hash -1197333272, now seen corresponding path program 1 times [2021-06-11 06:16:02,283 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:16:02,283 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762674411] [2021-06-11 06:16:02,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:16:02,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:16:02,419 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-06-11 06:16:02,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 06:16:02,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:16:02,427 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762674411] [2021-06-11 06:16:02,427 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:16:02,427 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-06-11 06:16:02,428 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535544700] [2021-06-11 06:16:02,429 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 06:16:02,429 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:16:02,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 06:16:02,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 06:16:02,433 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 193 [2021-06-11 06:16:02,434 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 22 transitions, 54 flow. Second operand has 3 states, 3 states have (on average 146.66666666666666) internal successors, (440), 3 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:02,434 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:16:02,434 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 193 [2021-06-11 06:16:02,434 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:16:02,514 INFO L129 PetriNetUnfolder]: 101/261 cut-off events. [2021-06-11 06:16:02,515 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 06:16:02,517 INFO L84 FinitePrefix]: Finished finitePrefix Result has 457 conditions, 261 events. 101/261 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 1443 event pairs, 33 based on Foata normal form. 0/233 useless extension candidates. Maximal degree in co-relation 448. Up to 125 conditions per place. [2021-06-11 06:16:02,518 INFO L132 encePairwiseOnDemand]: 185/193 looper letters, 6 selfloop transitions, 6 changer transitions 2/28 dead transitions. [2021-06-11 06:16:02,518 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 28 transitions, 94 flow [2021-06-11 06:16:02,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 06:16:02,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 06:16:02,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 453 transitions. [2021-06-11 06:16:02,522 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7823834196891192 [2021-06-11 06:16:02,522 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 453 transitions. [2021-06-11 06:16:02,522 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 453 transitions. [2021-06-11 06:16:02,523 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:16:02,523 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 453 transitions. [2021-06-11 06:16:02,524 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 151.0) internal successors, (453), 3 states have internal predecessors, (453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:02,526 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 193.0) internal successors, (772), 4 states have internal predecessors, (772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:02,527 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 193.0) internal successors, (772), 4 states have internal predecessors, (772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:02,527 INFO L185 Difference]: Start difference. First operand has 31 places, 22 transitions, 54 flow. Second operand 3 states and 453 transitions. [2021-06-11 06:16:02,527 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 28 transitions, 94 flow [2021-06-11 06:16:02,527 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 28 transitions, 90 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-11 06:16:02,528 INFO L241 Difference]: Finished difference. Result has 33 places, 26 transitions, 94 flow [2021-06-11 06:16:02,528 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=193, PETRI_DIFFERENCE_MINUEND_FLOW=50, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=94, PETRI_PLACES=33, PETRI_TRANSITIONS=26} [2021-06-11 06:16:02,529 INFO L343 CegarLoopForPetriNet]: 34 programPoint places, -1 predicate places. [2021-06-11 06:16:02,529 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:16:02,529 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 33 places, 26 transitions, 94 flow [2021-06-11 06:16:02,530 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 33 places, 26 transitions, 94 flow [2021-06-11 06:16:02,530 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 32 places, 26 transitions, 94 flow [2021-06-11 06:16:02,551 INFO L129 PetriNetUnfolder]: 48/153 cut-off events. [2021-06-11 06:16:02,551 INFO L130 PetriNetUnfolder]: For 19/22 co-relation queries the response was YES. [2021-06-11 06:16:02,553 INFO L84 FinitePrefix]: Finished finitePrefix Result has 301 conditions, 153 events. 48/153 cut-off events. For 19/22 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 777 event pairs, 20 based on Foata normal form. 0/144 useless extension candidates. Maximal degree in co-relation 292. Up to 81 conditions per place. [2021-06-11 06:16:02,556 INFO L151 LiptonReduction]: Number of co-enabled transitions 242 [2021-06-11 06:16:02,584 INFO L163 LiptonReduction]: Checked pairs total: 132 [2021-06-11 06:16:02,584 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:16:02,585 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 56 [2021-06-11 06:16:02,590 INFO L480 AbstractCegarLoop]: Abstraction has has 32 places, 26 transitions, 94 flow [2021-06-11 06:16:02,591 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 146.66666666666666) internal successors, (440), 3 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:02,591 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:16:02,591 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:16:02,591 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-11 06:16:02,592 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:16:02,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:16:02,592 INFO L82 PathProgramCache]: Analyzing trace with hash 1017054566, now seen corresponding path program 1 times [2021-06-11 06:16:02,593 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:16:02,593 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758698442] [2021-06-11 06:16:02,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:16:02,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:16:02,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:02,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:16:02,708 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-06-11 06:16:02,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 06:16:02,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:16:02,718 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758698442] [2021-06-11 06:16:02,719 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:16:02,719 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-11 06:16:02,719 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905064141] [2021-06-11 06:16:02,719 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 06:16:02,719 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:16:02,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 06:16:02,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-06-11 06:16:02,721 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 193 [2021-06-11 06:16:02,722 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 26 transitions, 94 flow. Second operand has 4 states, 4 states have (on average 146.75) internal successors, (587), 4 states have internal predecessors, (587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:02,722 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:16:02,722 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 193 [2021-06-11 06:16:02,722 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:16:02,761 INFO L129 PetriNetUnfolder]: 39/134 cut-off events. [2021-06-11 06:16:02,761 INFO L130 PetriNetUnfolder]: For 33/94 co-relation queries the response was YES. [2021-06-11 06:16:02,761 INFO L84 FinitePrefix]: Finished finitePrefix Result has 346 conditions, 134 events. 39/134 cut-off events. For 33/94 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 597 event pairs, 6 based on Foata normal form. 1/130 useless extension candidates. Maximal degree in co-relation 335. Up to 68 conditions per place. [2021-06-11 06:16:02,762 INFO L132 encePairwiseOnDemand]: 186/193 looper letters, 9 selfloop transitions, 7 changer transitions 0/30 dead transitions. [2021-06-11 06:16:02,762 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 30 transitions, 148 flow [2021-06-11 06:16:02,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-11 06:16:02,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-11 06:16:02,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 598 transitions. [2021-06-11 06:16:02,765 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7746113989637305 [2021-06-11 06:16:02,765 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 598 transitions. [2021-06-11 06:16:02,765 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 598 transitions. [2021-06-11 06:16:02,765 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:16:02,765 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 598 transitions. [2021-06-11 06:16:02,767 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 149.5) internal successors, (598), 4 states have internal predecessors, (598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:02,768 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 193.0) internal successors, (965), 5 states have internal predecessors, (965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:02,769 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 193.0) internal successors, (965), 5 states have internal predecessors, (965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:02,769 INFO L185 Difference]: Start difference. First operand has 32 places, 26 transitions, 94 flow. Second operand 4 states and 598 transitions. [2021-06-11 06:16:02,769 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 30 transitions, 148 flow [2021-06-11 06:16:02,770 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 30 transitions, 130 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-11 06:16:02,771 INFO L241 Difference]: Finished difference. Result has 36 places, 29 transitions, 130 flow [2021-06-11 06:16:02,771 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=193, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=130, PETRI_PLACES=36, PETRI_TRANSITIONS=29} [2021-06-11 06:16:02,771 INFO L343 CegarLoopForPetriNet]: 34 programPoint places, 2 predicate places. [2021-06-11 06:16:02,771 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:16:02,772 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 36 places, 29 transitions, 130 flow [2021-06-11 06:16:02,772 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 36 places, 29 transitions, 130 flow [2021-06-11 06:16:02,772 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 36 places, 29 transitions, 130 flow [2021-06-11 06:16:02,808 INFO L129 PetriNetUnfolder]: 39/125 cut-off events. [2021-06-11 06:16:02,808 INFO L130 PetriNetUnfolder]: For 70/74 co-relation queries the response was YES. [2021-06-11 06:16:02,809 INFO L84 FinitePrefix]: Finished finitePrefix Result has 306 conditions, 125 events. 39/125 cut-off events. For 70/74 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 593 event pairs, 18 based on Foata normal form. 0/122 useless extension candidates. Maximal degree in co-relation 294. Up to 68 conditions per place. [2021-06-11 06:16:02,810 INFO L151 LiptonReduction]: Number of co-enabled transitions 264 [2021-06-11 06:16:02,878 INFO L163 LiptonReduction]: Checked pairs total: 157 [2021-06-11 06:16:02,878 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:16:02,878 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 107 [2021-06-11 06:16:02,880 INFO L480 AbstractCegarLoop]: Abstraction has has 36 places, 29 transitions, 130 flow [2021-06-11 06:16:02,880 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 146.75) internal successors, (587), 4 states have internal predecessors, (587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:02,880 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:16:02,880 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:16:02,881 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-11 06:16:02,881 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:16:02,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:16:02,881 INFO L82 PathProgramCache]: Analyzing trace with hash 377159430, now seen corresponding path program 1 times [2021-06-11 06:16:02,881 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:16:02,881 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136489861] [2021-06-11 06:16:02,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:16:02,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:16:02,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:02,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:16:02,976 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-06-11 06:16:02,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 06:16:02,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:16:02,985 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136489861] [2021-06-11 06:16:02,985 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:16:02,985 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-11 06:16:02,985 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414887571] [2021-06-11 06:16:02,985 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 06:16:02,986 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:16:02,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 06:16:02,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-06-11 06:16:02,987 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 193 [2021-06-11 06:16:02,988 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 29 transitions, 130 flow. Second operand has 4 states, 4 states have (on average 146.75) internal successors, (587), 4 states have internal predecessors, (587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:02,988 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:16:02,988 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 193 [2021-06-11 06:16:02,988 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:16:03,033 INFO L129 PetriNetUnfolder]: 33/122 cut-off events. [2021-06-11 06:16:03,033 INFO L130 PetriNetUnfolder]: For 88/124 co-relation queries the response was YES. [2021-06-11 06:16:03,034 INFO L84 FinitePrefix]: Finished finitePrefix Result has 355 conditions, 122 events. 33/122 cut-off events. For 88/124 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 544 event pairs, 13 based on Foata normal form. 5/123 useless extension candidates. Maximal degree in co-relation 341. Up to 60 conditions per place. [2021-06-11 06:16:03,035 INFO L132 encePairwiseOnDemand]: 186/193 looper letters, 7 selfloop transitions, 13 changer transitions 0/34 dead transitions. [2021-06-11 06:16:03,035 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 34 transitions, 200 flow [2021-06-11 06:16:03,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-11 06:16:03,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-11 06:16:03,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 600 transitions. [2021-06-11 06:16:03,037 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7772020725388601 [2021-06-11 06:16:03,037 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 600 transitions. [2021-06-11 06:16:03,037 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 600 transitions. [2021-06-11 06:16:03,038 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:16:03,038 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 600 transitions. [2021-06-11 06:16:03,039 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 150.0) internal successors, (600), 4 states have internal predecessors, (600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:03,041 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 193.0) internal successors, (965), 5 states have internal predecessors, (965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:03,042 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 193.0) internal successors, (965), 5 states have internal predecessors, (965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:03,042 INFO L185 Difference]: Start difference. First operand has 36 places, 29 transitions, 130 flow. Second operand 4 states and 600 transitions. [2021-06-11 06:16:03,042 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 34 transitions, 200 flow [2021-06-11 06:16:03,044 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 34 transitions, 196 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-06-11 06:16:03,045 INFO L241 Difference]: Finished difference. Result has 40 places, 33 transitions, 199 flow [2021-06-11 06:16:03,045 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=193, PETRI_DIFFERENCE_MINUEND_FLOW=127, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=199, PETRI_PLACES=40, PETRI_TRANSITIONS=33} [2021-06-11 06:16:03,046 INFO L343 CegarLoopForPetriNet]: 34 programPoint places, 6 predicate places. [2021-06-11 06:16:03,046 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:16:03,046 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 33 transitions, 199 flow [2021-06-11 06:16:03,046 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 33 transitions, 199 flow [2021-06-11 06:16:03,047 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 33 transitions, 199 flow [2021-06-11 06:16:03,063 INFO L129 PetriNetUnfolder]: 33/112 cut-off events. [2021-06-11 06:16:03,064 INFO L130 PetriNetUnfolder]: For 141/151 co-relation queries the response was YES. [2021-06-11 06:16:03,064 INFO L84 FinitePrefix]: Finished finitePrefix Result has 343 conditions, 112 events. 33/112 cut-off events. For 141/151 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 463 event pairs, 13 based on Foata normal form. 1/111 useless extension candidates. Maximal degree in co-relation 328. Up to 60 conditions per place. [2021-06-11 06:16:03,065 INFO L151 LiptonReduction]: Number of co-enabled transitions 302 [2021-06-11 06:16:03,071 INFO L163 LiptonReduction]: Checked pairs total: 205 [2021-06-11 06:16:03,071 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:16:03,071 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 25 [2021-06-11 06:16:03,076 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 33 transitions, 199 flow [2021-06-11 06:16:03,077 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 146.75) internal successors, (587), 4 states have internal predecessors, (587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:03,077 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:16:03,077 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:16:03,077 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-11 06:16:03,077 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:16:03,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:16:03,078 INFO L82 PathProgramCache]: Analyzing trace with hash -1899907068, now seen corresponding path program 1 times [2021-06-11 06:16:03,078 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:16:03,078 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562846100] [2021-06-11 06:16:03,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:16:03,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:16:03,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:03,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:16:03,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:03,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 06:16:03,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:03,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:03,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:16:03,174 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562846100] [2021-06-11 06:16:03,174 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:16:03,174 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 06:16:03,175 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228706778] [2021-06-11 06:16:03,175 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 06:16:03,175 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:16:03,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 06:16:03,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-11 06:16:03,176 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 193 [2021-06-11 06:16:03,177 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 33 transitions, 199 flow. Second operand has 4 states, 4 states have (on average 152.75) internal successors, (611), 4 states have internal predecessors, (611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:03,177 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:16:03,177 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 193 [2021-06-11 06:16:03,177 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:16:03,254 INFO L129 PetriNetUnfolder]: 190/436 cut-off events. [2021-06-11 06:16:03,254 INFO L130 PetriNetUnfolder]: For 194/216 co-relation queries the response was YES. [2021-06-11 06:16:03,256 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1036 conditions, 436 events. 190/436 cut-off events. For 194/216 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 2779 event pairs, 57 based on Foata normal form. 36/390 useless extension candidates. Maximal degree in co-relation 1019. Up to 195 conditions per place. [2021-06-11 06:16:03,258 INFO L132 encePairwiseOnDemand]: 186/193 looper letters, 8 selfloop transitions, 10 changer transitions 0/44 dead transitions. [2021-06-11 06:16:03,258 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 44 transitions, 257 flow [2021-06-11 06:16:03,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 06:16:03,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 06:16:03,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 780 transitions. [2021-06-11 06:16:03,261 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8082901554404145 [2021-06-11 06:16:03,261 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 780 transitions. [2021-06-11 06:16:03,261 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 780 transitions. [2021-06-11 06:16:03,261 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:16:03,261 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 780 transitions. [2021-06-11 06:16:03,263 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 156.0) internal successors, (780), 5 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:03,265 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 193.0) internal successors, (1158), 6 states have internal predecessors, (1158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:03,265 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 193.0) internal successors, (1158), 6 states have internal predecessors, (1158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:03,265 INFO L185 Difference]: Start difference. First operand has 40 places, 33 transitions, 199 flow. Second operand 5 states and 780 transitions. [2021-06-11 06:16:03,265 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 44 transitions, 257 flow [2021-06-11 06:16:03,268 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 44 transitions, 255 flow, removed 1 selfloop flow, removed 0 redundant places. [2021-06-11 06:16:03,268 INFO L241 Difference]: Finished difference. Result has 47 places, 41 transitions, 266 flow [2021-06-11 06:16:03,269 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=193, PETRI_DIFFERENCE_MINUEND_FLOW=197, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=266, PETRI_PLACES=47, PETRI_TRANSITIONS=41} [2021-06-11 06:16:03,269 INFO L343 CegarLoopForPetriNet]: 34 programPoint places, 13 predicate places. [2021-06-11 06:16:03,269 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:16:03,269 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 47 places, 41 transitions, 266 flow [2021-06-11 06:16:03,269 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 47 places, 41 transitions, 266 flow [2021-06-11 06:16:03,270 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 47 places, 41 transitions, 266 flow [2021-06-11 06:16:03,301 INFO L129 PetriNetUnfolder]: 175/411 cut-off events. [2021-06-11 06:16:03,301 INFO L130 PetriNetUnfolder]: For 410/532 co-relation queries the response was YES. [2021-06-11 06:16:03,303 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1251 conditions, 411 events. 175/411 cut-off events. For 410/532 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 2585 event pairs, 59 based on Foata normal form. 5/359 useless extension candidates. Maximal degree in co-relation 1231. Up to 245 conditions per place. [2021-06-11 06:16:03,306 INFO L151 LiptonReduction]: Number of co-enabled transitions 460 [2021-06-11 06:16:03,316 INFO L163 LiptonReduction]: Checked pairs total: 210 [2021-06-11 06:16:03,316 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:16:03,316 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 47 [2021-06-11 06:16:03,317 INFO L480 AbstractCegarLoop]: Abstraction has has 47 places, 41 transitions, 266 flow [2021-06-11 06:16:03,317 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 152.75) internal successors, (611), 4 states have internal predecessors, (611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:03,318 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:16:03,318 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:16:03,318 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-06-11 06:16:03,318 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:16:03,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:16:03,318 INFO L82 PathProgramCache]: Analyzing trace with hash 2013678806, now seen corresponding path program 1 times [2021-06-11 06:16:03,318 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:16:03,318 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285031119] [2021-06-11 06:16:03,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:16:03,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:16:03,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:03,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:03,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:03,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:16:03,363 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-06-11 06:16:03,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 06:16:03,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:16:03,374 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285031119] [2021-06-11 06:16:03,374 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:16:03,374 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 06:16:03,374 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474552630] [2021-06-11 06:16:03,374 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 06:16:03,375 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:16:03,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 06:16:03,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-06-11 06:16:03,376 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 193 [2021-06-11 06:16:03,376 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 41 transitions, 266 flow. Second operand has 4 states, 4 states have (on average 147.0) internal successors, (588), 4 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:03,376 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:16:03,377 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 193 [2021-06-11 06:16:03,377 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:16:03,447 INFO L129 PetriNetUnfolder]: 194/482 cut-off events. [2021-06-11 06:16:03,447 INFO L130 PetriNetUnfolder]: For 637/923 co-relation queries the response was YES. [2021-06-11 06:16:03,449 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1517 conditions, 482 events. 194/482 cut-off events. For 637/923 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 3252 event pairs, 74 based on Foata normal form. 35/452 useless extension candidates. Maximal degree in co-relation 1495. Up to 292 conditions per place. [2021-06-11 06:16:03,451 INFO L132 encePairwiseOnDemand]: 188/193 looper letters, 12 selfloop transitions, 10 changer transitions 0/44 dead transitions. [2021-06-11 06:16:03,451 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 44 transitions, 325 flow [2021-06-11 06:16:03,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-11 06:16:03,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-11 06:16:03,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 599 transitions. [2021-06-11 06:16:03,453 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7759067357512953 [2021-06-11 06:16:03,453 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 599 transitions. [2021-06-11 06:16:03,454 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 599 transitions. [2021-06-11 06:16:03,454 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:16:03,454 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 599 transitions. [2021-06-11 06:16:03,455 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 149.75) internal successors, (599), 4 states have internal predecessors, (599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:03,457 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 193.0) internal successors, (965), 5 states have internal predecessors, (965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:03,457 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 193.0) internal successors, (965), 5 states have internal predecessors, (965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:03,457 INFO L185 Difference]: Start difference. First operand has 47 places, 41 transitions, 266 flow. Second operand 4 states and 599 transitions. [2021-06-11 06:16:03,457 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 44 transitions, 325 flow [2021-06-11 06:16:03,460 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 44 transitions, 325 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-06-11 06:16:03,461 INFO L241 Difference]: Finished difference. Result has 51 places, 41 transitions, 295 flow [2021-06-11 06:16:03,462 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=193, PETRI_DIFFERENCE_MINUEND_FLOW=266, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=295, PETRI_PLACES=51, PETRI_TRANSITIONS=41} [2021-06-11 06:16:03,462 INFO L343 CegarLoopForPetriNet]: 34 programPoint places, 17 predicate places. [2021-06-11 06:16:03,462 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:16:03,462 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 51 places, 41 transitions, 295 flow [2021-06-11 06:16:03,462 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 51 places, 41 transitions, 295 flow [2021-06-11 06:16:03,463 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 51 places, 41 transitions, 295 flow [2021-06-11 06:16:03,502 INFO L129 PetriNetUnfolder]: 206/484 cut-off events. [2021-06-11 06:16:03,503 INFO L130 PetriNetUnfolder]: For 617/853 co-relation queries the response was YES. [2021-06-11 06:16:03,505 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1494 conditions, 484 events. 206/484 cut-off events. For 617/853 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 3211 event pairs, 73 based on Foata normal form. 8/424 useless extension candidates. Maximal degree in co-relation 1471. Up to 307 conditions per place. [2021-06-11 06:16:03,509 INFO L151 LiptonReduction]: Number of co-enabled transitions 460 [2021-06-11 06:16:03,517 INFO L163 LiptonReduction]: Checked pairs total: 210 [2021-06-11 06:16:03,517 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:16:03,517 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 55 [2021-06-11 06:16:03,518 INFO L480 AbstractCegarLoop]: Abstraction has has 51 places, 41 transitions, 295 flow [2021-06-11 06:16:03,518 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 147.0) internal successors, (588), 4 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:03,518 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:16:03,518 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:16:03,518 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-06-11 06:16:03,519 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:16:03,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:16:03,519 INFO L82 PathProgramCache]: Analyzing trace with hash -533224506, now seen corresponding path program 1 times [2021-06-11 06:16:03,519 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:16:03,519 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564982948] [2021-06-11 06:16:03,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:16:03,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:16:03,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:03,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:16:03,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:03,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:16:03,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:03,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 06:16:03,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:03,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:03,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:16:03,581 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564982948] [2021-06-11 06:16:03,581 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:16:03,581 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-11 06:16:03,582 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714974335] [2021-06-11 06:16:03,582 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 06:16:03,582 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:16:03,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 06:16:03,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-11 06:16:03,583 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 193 [2021-06-11 06:16:03,584 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 41 transitions, 295 flow. Second operand has 5 states, 5 states have (on average 152.8) internal successors, (764), 5 states have internal predecessors, (764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:03,584 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:16:03,584 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 193 [2021-06-11 06:16:03,584 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:16:03,680 INFO L129 PetriNetUnfolder]: 173/439 cut-off events. [2021-06-11 06:16:03,681 INFO L130 PetriNetUnfolder]: For 894/1833 co-relation queries the response was YES. [2021-06-11 06:16:03,683 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1671 conditions, 439 events. 173/439 cut-off events. For 894/1833 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 2880 event pairs, 15 based on Foata normal form. 167/552 useless extension candidates. Maximal degree in co-relation 1646. Up to 259 conditions per place. [2021-06-11 06:16:03,685 INFO L132 encePairwiseOnDemand]: 186/193 looper letters, 5 selfloop transitions, 18 changer transitions 3/52 dead transitions. [2021-06-11 06:16:03,685 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 52 transitions, 410 flow [2021-06-11 06:16:03,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-11 06:16:03,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-06-11 06:16:03,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1092 transitions. [2021-06-11 06:16:03,688 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8082901554404145 [2021-06-11 06:16:03,688 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1092 transitions. [2021-06-11 06:16:03,688 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1092 transitions. [2021-06-11 06:16:03,689 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:16:03,689 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1092 transitions. [2021-06-11 06:16:03,691 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 156.0) internal successors, (1092), 7 states have internal predecessors, (1092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:03,693 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 193.0) internal successors, (1544), 8 states have internal predecessors, (1544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:03,693 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 193.0) internal successors, (1544), 8 states have internal predecessors, (1544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:03,693 INFO L185 Difference]: Start difference. First operand has 51 places, 41 transitions, 295 flow. Second operand 7 states and 1092 transitions. [2021-06-11 06:16:03,693 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 52 transitions, 410 flow [2021-06-11 06:16:03,697 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 52 transitions, 382 flow, removed 3 selfloop flow, removed 2 redundant places. [2021-06-11 06:16:03,698 INFO L241 Difference]: Finished difference. Result has 58 places, 49 transitions, 380 flow [2021-06-11 06:16:03,698 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=193, PETRI_DIFFERENCE_MINUEND_FLOW=267, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=380, PETRI_PLACES=58, PETRI_TRANSITIONS=49} [2021-06-11 06:16:03,699 INFO L343 CegarLoopForPetriNet]: 34 programPoint places, 24 predicate places. [2021-06-11 06:16:03,699 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:16:03,699 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 58 places, 49 transitions, 380 flow [2021-06-11 06:16:03,699 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 58 places, 49 transitions, 380 flow [2021-06-11 06:16:03,699 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 58 places, 49 transitions, 380 flow [2021-06-11 06:16:03,735 INFO L129 PetriNetUnfolder]: 146/392 cut-off events. [2021-06-11 06:16:03,735 INFO L130 PetriNetUnfolder]: For 1568/1854 co-relation queries the response was YES. [2021-06-11 06:16:03,737 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1664 conditions, 392 events. 146/392 cut-off events. For 1568/1854 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 2655 event pairs, 12 based on Foata normal form. 1/349 useless extension candidates. Maximal degree in co-relation 1638. Up to 221 conditions per place. [2021-06-11 06:16:03,740 INFO L151 LiptonReduction]: Number of co-enabled transitions 540 [2021-06-11 06:16:03,747 INFO L163 LiptonReduction]: Checked pairs total: 298 [2021-06-11 06:16:03,747 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:16:03,747 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 48 [2021-06-11 06:16:03,748 INFO L480 AbstractCegarLoop]: Abstraction has has 58 places, 49 transitions, 380 flow [2021-06-11 06:16:03,748 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 152.8) internal successors, (764), 5 states have internal predecessors, (764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:03,748 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:16:03,748 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:16:03,748 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-06-11 06:16:03,748 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:16:03,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:16:03,749 INFO L82 PathProgramCache]: Analyzing trace with hash -1814036248, now seen corresponding path program 1 times [2021-06-11 06:16:03,749 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:16:03,749 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379984468] [2021-06-11 06:16:03,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:16:03,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:16:03,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:03,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:16:03,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:03,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:16:03,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:03,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:16:03,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:03,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 06:16:03,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:03,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:03,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:16:03,814 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379984468] [2021-06-11 06:16:03,814 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:16:03,814 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-11 06:16:03,814 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368963555] [2021-06-11 06:16:03,815 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-11 06:16:03,815 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:16:03,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-11 06:16:03,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-06-11 06:16:03,816 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 193 [2021-06-11 06:16:03,817 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 49 transitions, 380 flow. Second operand has 6 states, 6 states have (on average 152.83333333333334) internal successors, (917), 6 states have internal predecessors, (917), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:03,817 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:16:03,817 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 193 [2021-06-11 06:16:03,817 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:16:03,956 INFO L129 PetriNetUnfolder]: 143/389 cut-off events. [2021-06-11 06:16:03,957 INFO L130 PetriNetUnfolder]: For 2013/3117 co-relation queries the response was YES. [2021-06-11 06:16:03,959 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1962 conditions, 389 events. 143/389 cut-off events. For 2013/3117 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 2585 event pairs, 6 based on Foata normal form. 188/525 useless extension candidates. Maximal degree in co-relation 1934. Up to 232 conditions per place. [2021-06-11 06:16:03,960 INFO L132 encePairwiseOnDemand]: 186/193 looper letters, 2 selfloop transitions, 22 changer transitions 9/54 dead transitions. [2021-06-11 06:16:03,960 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 54 transitions, 474 flow [2021-06-11 06:16:03,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-11 06:16:03,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-06-11 06:16:03,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1398 transitions. [2021-06-11 06:16:03,963 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8048359240069085 [2021-06-11 06:16:03,963 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1398 transitions. [2021-06-11 06:16:03,963 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1398 transitions. [2021-06-11 06:16:03,964 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:16:03,964 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1398 transitions. [2021-06-11 06:16:03,967 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 155.33333333333334) internal successors, (1398), 9 states have internal predecessors, (1398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:03,969 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 193.0) internal successors, (1930), 10 states have internal predecessors, (1930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:03,969 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 193.0) internal successors, (1930), 10 states have internal predecessors, (1930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:03,969 INFO L185 Difference]: Start difference. First operand has 58 places, 49 transitions, 380 flow. Second operand 9 states and 1398 transitions. [2021-06-11 06:16:03,970 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 54 transitions, 474 flow [2021-06-11 06:16:03,978 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 54 transitions, 417 flow, removed 15 selfloop flow, removed 5 redundant places. [2021-06-11 06:16:03,979 INFO L241 Difference]: Finished difference. Result has 64 places, 45 transitions, 348 flow [2021-06-11 06:16:03,979 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=193, PETRI_DIFFERENCE_MINUEND_FLOW=324, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=348, PETRI_PLACES=64, PETRI_TRANSITIONS=45} [2021-06-11 06:16:03,980 INFO L343 CegarLoopForPetriNet]: 34 programPoint places, 30 predicate places. [2021-06-11 06:16:03,980 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:16:03,980 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 64 places, 45 transitions, 348 flow [2021-06-11 06:16:03,980 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 64 places, 45 transitions, 348 flow [2021-06-11 06:16:03,980 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 63 places, 45 transitions, 348 flow [2021-06-11 06:16:03,995 INFO L129 PetriNetUnfolder]: 62/180 cut-off events. [2021-06-11 06:16:03,995 INFO L130 PetriNetUnfolder]: For 581/630 co-relation queries the response was YES. [2021-06-11 06:16:03,996 INFO L84 FinitePrefix]: Finished finitePrefix Result has 757 conditions, 180 events. 62/180 cut-off events. For 581/630 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 993 event pairs, 4 based on Foata normal form. 1/163 useless extension candidates. Maximal degree in co-relation 730. Up to 64 conditions per place. [2021-06-11 06:16:03,998 INFO L151 LiptonReduction]: Number of co-enabled transitions 364 [2021-06-11 06:16:04,002 INFO L163 LiptonReduction]: Checked pairs total: 202 [2021-06-11 06:16:04,002 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:16:04,003 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 23 [2021-06-11 06:16:04,003 INFO L480 AbstractCegarLoop]: Abstraction has has 63 places, 45 transitions, 348 flow [2021-06-11 06:16:04,003 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 152.83333333333334) internal successors, (917), 6 states have internal predecessors, (917), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:04,004 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:16:04,004 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:16:04,004 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-06-11 06:16:04,004 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:16:04,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:16:04,004 INFO L82 PathProgramCache]: Analyzing trace with hash 1249894473, now seen corresponding path program 1 times [2021-06-11 06:16:04,004 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:16:04,004 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601146247] [2021-06-11 06:16:04,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:16:04,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:16:04,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:04,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:04,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:04,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:16:04,101 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-06-11 06:16:04,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 06:16:04,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:16:04,112 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601146247] [2021-06-11 06:16:04,112 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:16:04,112 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 06:16:04,112 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194242052] [2021-06-11 06:16:04,112 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 06:16:04,113 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:16:04,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 06:16:04,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-11 06:16:04,114 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 193 [2021-06-11 06:16:04,114 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 45 transitions, 348 flow. Second operand has 4 states, 4 states have (on average 145.0) internal successors, (580), 4 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:04,114 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:16:04,114 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 193 [2021-06-11 06:16:04,114 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:16:04,173 INFO L129 PetriNetUnfolder]: 98/283 cut-off events. [2021-06-11 06:16:04,173 INFO L130 PetriNetUnfolder]: For 945/1069 co-relation queries the response was YES. [2021-06-11 06:16:04,175 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1206 conditions, 283 events. 98/283 cut-off events. For 945/1069 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 1697 event pairs, 3 based on Foata normal form. 7/256 useless extension candidates. Maximal degree in co-relation 1177. Up to 96 conditions per place. [2021-06-11 06:16:04,176 INFO L132 encePairwiseOnDemand]: 185/193 looper letters, 11 selfloop transitions, 13 changer transitions 0/54 dead transitions. [2021-06-11 06:16:04,176 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 54 transitions, 448 flow [2021-06-11 06:16:04,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 06:16:04,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 06:16:04,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 734 transitions. [2021-06-11 06:16:04,178 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7606217616580311 [2021-06-11 06:16:04,178 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 734 transitions. [2021-06-11 06:16:04,178 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 734 transitions. [2021-06-11 06:16:04,179 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:16:04,179 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 734 transitions. [2021-06-11 06:16:04,180 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 146.8) internal successors, (734), 5 states have internal predecessors, (734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:04,182 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 193.0) internal successors, (1158), 6 states have internal predecessors, (1158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:04,182 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 193.0) internal successors, (1158), 6 states have internal predecessors, (1158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:04,182 INFO L185 Difference]: Start difference. First operand has 63 places, 45 transitions, 348 flow. Second operand 5 states and 734 transitions. [2021-06-11 06:16:04,183 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 54 transitions, 448 flow [2021-06-11 06:16:04,192 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 54 transitions, 354 flow, removed 15 selfloop flow, removed 11 redundant places. [2021-06-11 06:16:04,193 INFO L241 Difference]: Finished difference. Result has 58 places, 52 transitions, 355 flow [2021-06-11 06:16:04,193 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=193, PETRI_DIFFERENCE_MINUEND_FLOW=260, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=355, PETRI_PLACES=58, PETRI_TRANSITIONS=52} [2021-06-11 06:16:04,193 INFO L343 CegarLoopForPetriNet]: 34 programPoint places, 24 predicate places. [2021-06-11 06:16:04,193 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:16:04,193 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 58 places, 52 transitions, 355 flow [2021-06-11 06:16:04,194 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 58 places, 52 transitions, 355 flow [2021-06-11 06:16:04,194 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 58 places, 52 transitions, 355 flow [2021-06-11 06:16:04,214 INFO L129 PetriNetUnfolder]: 92/271 cut-off events. [2021-06-11 06:16:04,214 INFO L130 PetriNetUnfolder]: For 426/440 co-relation queries the response was YES. [2021-06-11 06:16:04,215 INFO L84 FinitePrefix]: Finished finitePrefix Result has 989 conditions, 271 events. 92/271 cut-off events. For 426/440 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 1767 event pairs, 2 based on Foata normal form. 1/239 useless extension candidates. Maximal degree in co-relation 966. Up to 96 conditions per place. [2021-06-11 06:16:04,217 INFO L151 LiptonReduction]: Number of co-enabled transitions 450 [2021-06-11 06:16:04,222 INFO L163 LiptonReduction]: Checked pairs total: 187 [2021-06-11 06:16:04,222 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:16:04,222 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 29 [2021-06-11 06:16:04,223 INFO L480 AbstractCegarLoop]: Abstraction has has 58 places, 52 transitions, 355 flow [2021-06-11 06:16:04,223 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 145.0) internal successors, (580), 4 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:04,223 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:16:04,223 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:16:04,223 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-06-11 06:16:04,223 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:16:04,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:16:04,224 INFO L82 PathProgramCache]: Analyzing trace with hash -737087855, now seen corresponding path program 2 times [2021-06-11 06:16:04,224 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:16:04,224 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182666946] [2021-06-11 06:16:04,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:16:04,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:16:04,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:04,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:16:04,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:04,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 06:16:04,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:04,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 06:16:04,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:04,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 06:16:04,348 INFO L142 QuantifierPusher]: treesize reduction 19, result has 55.8 percent of original size [2021-06-11 06:16:04,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 06:16:04,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:04,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 06:16:04,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:16:04,382 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182666946] [2021-06-11 06:16:04,382 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:16:04,382 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-11 06:16:04,383 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961859498] [2021-06-11 06:16:04,383 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 06:16:04,383 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:16:04,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 06:16:04,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-06-11 06:16:04,384 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 193 [2021-06-11 06:16:04,385 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 52 transitions, 355 flow. Second operand has 8 states, 8 states have (on average 129.375) internal successors, (1035), 8 states have internal predecessors, (1035), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:04,385 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:16:04,386 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 193 [2021-06-11 06:16:04,386 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:16:04,613 INFO L129 PetriNetUnfolder]: 173/475 cut-off events. [2021-06-11 06:16:04,614 INFO L130 PetriNetUnfolder]: For 1336/1508 co-relation queries the response was YES. [2021-06-11 06:16:04,616 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1803 conditions, 475 events. 173/475 cut-off events. For 1336/1508 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 3349 event pairs, 4 based on Foata normal form. 70/485 useless extension candidates. Maximal degree in co-relation 1778. Up to 144 conditions per place. [2021-06-11 06:16:04,618 INFO L132 encePairwiseOnDemand]: 183/193 looper letters, 24 selfloop transitions, 24 changer transitions 1/76 dead transitions. [2021-06-11 06:16:04,618 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 76 transitions, 628 flow [2021-06-11 06:16:04,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-11 06:16:04,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-06-11 06:16:04,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1319 transitions. [2021-06-11 06:16:04,621 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.683419689119171 [2021-06-11 06:16:04,621 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1319 transitions. [2021-06-11 06:16:04,622 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1319 transitions. [2021-06-11 06:16:04,622 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:16:04,622 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1319 transitions. [2021-06-11 06:16:04,625 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 131.9) internal successors, (1319), 10 states have internal predecessors, (1319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:04,628 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 193.0) internal successors, (2123), 11 states have internal predecessors, (2123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:04,629 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 193.0) internal successors, (2123), 11 states have internal predecessors, (2123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:04,629 INFO L185 Difference]: Start difference. First operand has 58 places, 52 transitions, 355 flow. Second operand 10 states and 1319 transitions. [2021-06-11 06:16:04,629 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 76 transitions, 628 flow [2021-06-11 06:16:04,636 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 76 transitions, 628 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-06-11 06:16:04,637 INFO L241 Difference]: Finished difference. Result has 70 places, 66 transitions, 552 flow [2021-06-11 06:16:04,638 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=193, PETRI_DIFFERENCE_MINUEND_FLOW=355, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=552, PETRI_PLACES=70, PETRI_TRANSITIONS=66} [2021-06-11 06:16:04,638 INFO L343 CegarLoopForPetriNet]: 34 programPoint places, 36 predicate places. [2021-06-11 06:16:04,638 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:16:04,638 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 70 places, 66 transitions, 552 flow [2021-06-11 06:16:04,639 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 70 places, 66 transitions, 552 flow [2021-06-11 06:16:04,639 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 70 places, 66 transitions, 552 flow [2021-06-11 06:16:04,679 INFO L129 PetriNetUnfolder]: 157/450 cut-off events. [2021-06-11 06:16:04,680 INFO L130 PetriNetUnfolder]: For 832/852 co-relation queries the response was YES. [2021-06-11 06:16:04,682 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1741 conditions, 450 events. 157/450 cut-off events. For 832/852 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 3361 event pairs, 2 based on Foata normal form. 3/400 useless extension candidates. Maximal degree in co-relation 1713. Up to 152 conditions per place. [2021-06-11 06:16:04,686 INFO L151 LiptonReduction]: Number of co-enabled transitions 632 [2021-06-11 06:16:04,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:04,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:04,841 INFO L163 LiptonReduction]: Checked pairs total: 2 [2021-06-11 06:16:04,842 INFO L165 LiptonReduction]: Total number of compositions: 1 [2021-06-11 06:16:04,842 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 204 [2021-06-11 06:16:04,842 INFO L480 AbstractCegarLoop]: Abstraction has has 70 places, 66 transitions, 552 flow [2021-06-11 06:16:04,843 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 129.375) internal successors, (1035), 8 states have internal predecessors, (1035), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:04,843 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:16:04,843 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:16:04,843 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-06-11 06:16:04,843 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:16:04,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:16:04,843 INFO L82 PathProgramCache]: Analyzing trace with hash -770236913, now seen corresponding path program 3 times [2021-06-11 06:16:04,843 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:16:04,844 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437887894] [2021-06-11 06:16:04,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:16:04,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:16:04,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:04,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:04,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:04,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:16:04,921 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-06-11 06:16:04,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 06:16:04,937 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-06-11 06:16:04,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 06:16:04,951 INFO L142 QuantifierPusher]: treesize reduction 10, result has 56.5 percent of original size [2021-06-11 06:16:04,952 INFO L147 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size 9 [2021-06-11 06:16:04,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:04,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 06:16:04,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:16:04,981 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437887894] [2021-06-11 06:16:04,981 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:16:04,981 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-11 06:16:04,982 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423239896] [2021-06-11 06:16:04,982 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-11 06:16:04,982 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:16:04,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-11 06:16:04,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-06-11 06:16:04,983 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 194 [2021-06-11 06:16:04,984 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 66 transitions, 552 flow. Second operand has 7 states, 7 states have (on average 129.57142857142858) internal successors, (907), 7 states have internal predecessors, (907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:04,984 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:16:04,984 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 194 [2021-06-11 06:16:04,984 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:16:05,251 INFO L129 PetriNetUnfolder]: 286/782 cut-off events. [2021-06-11 06:16:05,251 INFO L130 PetriNetUnfolder]: For 2300/2572 co-relation queries the response was YES. [2021-06-11 06:16:05,255 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3173 conditions, 782 events. 286/782 cut-off events. For 2300/2572 co-relation queries the response was YES. Maximal size of possible extension queue 177. Compared 6225 event pairs, 4 based on Foata normal form. 106/780 useless extension candidates. Maximal degree in co-relation 3143. Up to 264 conditions per place. [2021-06-11 06:16:05,258 INFO L132 encePairwiseOnDemand]: 183/194 looper letters, 30 selfloop transitions, 34 changer transitions 8/99 dead transitions. [2021-06-11 06:16:05,258 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 99 transitions, 1029 flow [2021-06-11 06:16:05,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-11 06:16:05,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-06-11 06:16:05,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1196 transitions. [2021-06-11 06:16:05,261 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6849942726231386 [2021-06-11 06:16:05,261 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1196 transitions. [2021-06-11 06:16:05,261 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1196 transitions. [2021-06-11 06:16:05,262 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:16:05,262 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1196 transitions. [2021-06-11 06:16:05,265 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 132.88888888888889) internal successors, (1196), 9 states have internal predecessors, (1196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:05,268 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 194.0) internal successors, (1940), 10 states have internal predecessors, (1940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:05,269 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 194.0) internal successors, (1940), 10 states have internal predecessors, (1940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:05,269 INFO L185 Difference]: Start difference. First operand has 70 places, 66 transitions, 552 flow. Second operand 9 states and 1196 transitions. [2021-06-11 06:16:05,269 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 99 transitions, 1029 flow [2021-06-11 06:16:05,285 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 99 transitions, 989 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-06-11 06:16:05,287 INFO L241 Difference]: Finished difference. Result has 79 places, 81 transitions, 834 flow [2021-06-11 06:16:05,287 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=194, PETRI_DIFFERENCE_MINUEND_FLOW=526, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=834, PETRI_PLACES=79, PETRI_TRANSITIONS=81} [2021-06-11 06:16:05,287 INFO L343 CegarLoopForPetriNet]: 34 programPoint places, 45 predicate places. [2021-06-11 06:16:05,287 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:16:05,288 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 81 transitions, 834 flow [2021-06-11 06:16:05,288 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 81 transitions, 834 flow [2021-06-11 06:16:05,288 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 79 places, 81 transitions, 834 flow [2021-06-11 06:16:05,340 INFO L129 PetriNetUnfolder]: 223/593 cut-off events. [2021-06-11 06:16:05,340 INFO L130 PetriNetUnfolder]: For 1173/1210 co-relation queries the response was YES. [2021-06-11 06:16:05,343 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2390 conditions, 593 events. 223/593 cut-off events. For 1173/1210 co-relation queries the response was YES. Maximal size of possible extension queue 138. Compared 4563 event pairs, 0 based on Foata normal form. 2/515 useless extension candidates. Maximal degree in co-relation 2358. Up to 238 conditions per place. [2021-06-11 06:16:05,348 INFO L151 LiptonReduction]: Number of co-enabled transitions 854 [2021-06-11 06:16:05,359 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 06:16:05,359 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:16:05,359 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 72 [2021-06-11 06:16:05,360 INFO L480 AbstractCegarLoop]: Abstraction has has 79 places, 81 transitions, 834 flow [2021-06-11 06:16:05,360 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 129.57142857142858) internal successors, (907), 7 states have internal predecessors, (907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:05,360 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:16:05,360 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:16:05,361 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-06-11 06:16:05,361 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:16:05,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:16:05,361 INFO L82 PathProgramCache]: Analyzing trace with hash -1161055240, now seen corresponding path program 1 times [2021-06-11 06:16:05,361 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:16:05,361 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574019549] [2021-06-11 06:16:05,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:16:05,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:16:05,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:05,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:16:05,439 INFO L142 QuantifierPusher]: treesize reduction 13, result has 72.3 percent of original size [2021-06-11 06:16:05,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 06:16:05,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:05,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 06:16:05,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:05,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-06-11 06:16:05,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:16:05,472 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574019549] [2021-06-11 06:16:05,472 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:16:05,472 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-11 06:16:05,472 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403500230] [2021-06-11 06:16:05,473 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-11 06:16:05,474 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:16:05,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-11 06:16:05,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-06-11 06:16:05,475 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 194 [2021-06-11 06:16:05,476 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 81 transitions, 834 flow. Second operand has 6 states, 6 states have (on average 134.0) internal successors, (804), 6 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:05,476 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:16:05,476 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 194 [2021-06-11 06:16:05,476 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:16:05,602 INFO L129 PetriNetUnfolder]: 235/638 cut-off events. [2021-06-11 06:16:05,602 INFO L130 PetriNetUnfolder]: For 1634/1788 co-relation queries the response was YES. [2021-06-11 06:16:05,605 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2617 conditions, 638 events. 235/638 cut-off events. For 1634/1788 co-relation queries the response was YES. Maximal size of possible extension queue 162. Compared 4861 event pairs, 1 based on Foata normal form. 34/579 useless extension candidates. Maximal degree in co-relation 2583. Up to 256 conditions per place. [2021-06-11 06:16:05,608 INFO L132 encePairwiseOnDemand]: 187/194 looper letters, 8 selfloop transitions, 13 changer transitions 1/85 dead transitions. [2021-06-11 06:16:05,608 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 85 transitions, 925 flow [2021-06-11 06:16:05,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-11 06:16:05,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-06-11 06:16:05,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 942 transitions. [2021-06-11 06:16:05,610 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6936671575846833 [2021-06-11 06:16:05,611 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 942 transitions. [2021-06-11 06:16:05,611 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 942 transitions. [2021-06-11 06:16:05,611 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:16:05,611 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 942 transitions. [2021-06-11 06:16:05,613 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 134.57142857142858) internal successors, (942), 7 states have internal predecessors, (942), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:05,615 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 194.0) internal successors, (1552), 8 states have internal predecessors, (1552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:05,616 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 194.0) internal successors, (1552), 8 states have internal predecessors, (1552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:05,616 INFO L185 Difference]: Start difference. First operand has 79 places, 81 transitions, 834 flow. Second operand 7 states and 942 transitions. [2021-06-11 06:16:05,617 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 85 transitions, 925 flow [2021-06-11 06:16:05,631 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 85 transitions, 916 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-06-11 06:16:05,634 INFO L241 Difference]: Finished difference. Result has 85 places, 83 transitions, 890 flow [2021-06-11 06:16:05,634 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=194, PETRI_DIFFERENCE_MINUEND_FLOW=825, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=890, PETRI_PLACES=85, PETRI_TRANSITIONS=83} [2021-06-11 06:16:05,634 INFO L343 CegarLoopForPetriNet]: 34 programPoint places, 51 predicate places. [2021-06-11 06:16:05,634 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:16:05,634 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 85 places, 83 transitions, 890 flow [2021-06-11 06:16:05,635 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 85 places, 83 transitions, 890 flow [2021-06-11 06:16:05,635 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 84 places, 83 transitions, 890 flow [2021-06-11 06:16:05,690 INFO L129 PetriNetUnfolder]: 235/636 cut-off events. [2021-06-11 06:16:05,690 INFO L130 PetriNetUnfolder]: For 1519/1618 co-relation queries the response was YES. [2021-06-11 06:16:05,694 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2610 conditions, 636 events. 235/636 cut-off events. For 1519/1618 co-relation queries the response was YES. Maximal size of possible extension queue 159. Compared 5083 event pairs, 0 based on Foata normal form. 17/566 useless extension candidates. Maximal degree in co-relation 2580. Up to 256 conditions per place. [2021-06-11 06:16:05,700 INFO L151 LiptonReduction]: Number of co-enabled transitions 874 [2021-06-11 06:16:05,710 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 06:16:05,710 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:16:05,711 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 77 [2021-06-11 06:16:05,712 INFO L480 AbstractCegarLoop]: Abstraction has has 84 places, 83 transitions, 890 flow [2021-06-11 06:16:05,713 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 134.0) internal successors, (804), 6 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:05,713 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:16:05,713 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:16:05,713 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-06-11 06:16:05,713 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:16:05,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:16:05,713 INFO L82 PathProgramCache]: Analyzing trace with hash -104834080, now seen corresponding path program 2 times [2021-06-11 06:16:05,714 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:16:05,714 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498469700] [2021-06-11 06:16:05,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:16:05,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-11 06:16:05,738 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-11 06:16:05,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-11 06:16:05,767 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-11 06:16:05,803 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-11 06:16:05,803 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-06-11 06:16:05,804 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-06-11 06:16:05,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.06 06:16:05 BasicIcfg [2021-06-11 06:16:05,899 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-11 06:16:05,900 INFO L168 Benchmark]: Toolchain (without parser) took 12611.81 ms. Allocated memory was 381.7 MB in the beginning and 551.6 MB in the end (delta: 169.9 MB). Free memory was 343.9 MB in the beginning and 305.8 MB in the end (delta: 38.1 MB). Peak memory consumption was 207.7 MB. Max. memory is 16.0 GB. [2021-06-11 06:16:05,900 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 381.7 MB. Free memory is still 362.1 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-11 06:16:05,900 INFO L168 Benchmark]: CACSL2BoogieTranslator took 543.66 ms. Allocated memory is still 381.7 MB. Free memory was 343.7 MB in the beginning and 340.4 MB in the end (delta: 3.4 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.0 GB. [2021-06-11 06:16:05,900 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.20 ms. Allocated memory is still 381.7 MB. Free memory was 340.4 MB in the beginning and 338.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-11 06:16:05,908 INFO L168 Benchmark]: Boogie Preprocessor took 40.26 ms. Allocated memory is still 381.7 MB. Free memory was 338.3 MB in the beginning and 336.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-11 06:16:05,908 INFO L168 Benchmark]: RCFGBuilder took 1819.84 ms. Allocated memory is still 381.7 MB. Free memory was 336.2 MB in the beginning and 331.2 MB in the end (delta: 5.0 MB). Peak memory consumption was 157.0 MB. Max. memory is 16.0 GB. [2021-06-11 06:16:05,908 INFO L168 Benchmark]: TraceAbstraction took 10134.10 ms. Allocated memory was 381.7 MB in the beginning and 551.6 MB in the end (delta: 169.9 MB). Free memory was 330.1 MB in the beginning and 305.8 MB in the end (delta: 24.3 MB). Peak memory consumption was 194.2 MB. Max. memory is 16.0 GB. [2021-06-11 06:16:05,909 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 381.7 MB. Free memory is still 362.1 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 543.66 ms. Allocated memory is still 381.7 MB. Free memory was 343.7 MB in the beginning and 340.4 MB in the end (delta: 3.4 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 69.20 ms. Allocated memory is still 381.7 MB. Free memory was 340.4 MB in the beginning and 338.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 40.26 ms. Allocated memory is still 381.7 MB. Free memory was 338.3 MB in the beginning and 336.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1819.84 ms. Allocated memory is still 381.7 MB. Free memory was 336.2 MB in the beginning and 331.2 MB in the end (delta: 5.0 MB). Peak memory consumption was 157.0 MB. Max. memory is 16.0 GB. * TraceAbstraction took 10134.10 ms. Allocated memory was 381.7 MB in the beginning and 551.6 MB in the end (delta: 169.9 MB). Free memory was 330.1 MB in the beginning and 305.8 MB in the end (delta: 24.3 MB). Peak memory consumption was 194.2 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5955.1ms, 105 PlacesBefore, 34 PlacesAfterwards, 97 TransitionsBefore, 25 TransitionsAfterwards, 1644 CoEnabledTransitionPairs, 8 FixpointIterations, 38 TrivialSequentialCompositions, 51 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 1 ChoiceCompositions, 93 TotalNumberOfCompositions, 4213 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2212, positive: 2065, positive conditional: 0, positive unconditional: 2065, negative: 147, negative conditional: 0, negative unconditional: 147, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1168, positive: 1116, positive conditional: 0, positive unconditional: 1116, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1168, positive: 1116, positive conditional: 0, positive unconditional: 1116, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1168, positive: 1098, positive conditional: 0, positive unconditional: 1098, negative: 70, negative conditional: 0, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 70, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 629, positive: 76, positive conditional: 0, positive unconditional: 76, negative: 554, negative conditional: 0, negative unconditional: 554, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2212, positive: 949, positive conditional: 0, positive unconditional: 949, negative: 95, negative conditional: 0, negative unconditional: 95, unknown: 1168, unknown conditional: 0, unknown unconditional: 1168] , Statistics on independence cache: Total cache size (in pairs): 2049, Positive cache size: 2003, Positive conditional cache size: 0, Positive unconditional cache size: 2003, Negative cache size: 46, Negative conditional cache size: 0, Negative unconditional cache size: 46 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 67.7ms, 31 PlacesBefore, 31 PlacesAfterwards, 22 TransitionsBefore, 22 TransitionsAfterwards, 224 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 260 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 84, positive: 64, positive conditional: 0, positive unconditional: 64, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 61, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 61, negative conditional: 0, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 84, positive: 61, positive conditional: 0, positive unconditional: 61, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , Statistics on independence cache: Total cache size (in pairs): 2056, Positive cache size: 2006, Positive conditional cache size: 0, Positive unconditional cache size: 2006, Negative cache size: 50, Negative conditional cache size: 0, Negative unconditional cache size: 50 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 54.8ms, 33 PlacesBefore, 32 PlacesAfterwards, 26 TransitionsBefore, 26 TransitionsAfterwards, 242 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 132 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 64, positive: 55, positive conditional: 0, positive unconditional: 55, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 24, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 64, positive: 39, positive conditional: 0, positive unconditional: 39, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 18, unknown conditional: 0, unknown unconditional: 18] , Statistics on independence cache: Total cache size (in pairs): 2074, Positive cache size: 2022, Positive conditional cache size: 0, Positive unconditional cache size: 2022, Negative cache size: 52, Negative conditional cache size: 0, Negative unconditional cache size: 52 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 106.2ms, 36 PlacesBefore, 36 PlacesAfterwards, 29 TransitionsBefore, 29 TransitionsAfterwards, 264 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 157 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 79, positive: 69, positive conditional: 0, positive unconditional: 69, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 65, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 65, negative conditional: 0, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 79, positive: 68, positive conditional: 0, positive unconditional: 68, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 2077, Positive cache size: 2023, Positive conditional cache size: 0, Positive unconditional cache size: 2023, Negative cache size: 54, Negative conditional cache size: 0, Negative unconditional cache size: 54 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 24.8ms, 40 PlacesBefore, 40 PlacesAfterwards, 33 TransitionsBefore, 33 TransitionsAfterwards, 302 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 205 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 114, positive: 102, positive conditional: 0, positive unconditional: 102, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 114, positive: 100, positive conditional: 0, positive unconditional: 100, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 2079, Positive cache size: 2025, Positive conditional cache size: 0, Positive unconditional cache size: 2025, Negative cache size: 54, Negative conditional cache size: 0, Negative unconditional cache size: 54 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 46.8ms, 47 PlacesBefore, 47 PlacesAfterwards, 41 TransitionsBefore, 41 TransitionsAfterwards, 460 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 210 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 144, positive: 134, positive conditional: 0, positive unconditional: 134, negative: 10, negative conditional: 0, negative unconditional: 10, 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: 144, positive: 134, positive conditional: 0, positive unconditional: 134, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2079, Positive cache size: 2025, Positive conditional cache size: 0, Positive unconditional cache size: 2025, Negative cache size: 54, Negative conditional cache size: 0, Negative unconditional cache size: 54 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 55.0ms, 51 PlacesBefore, 51 PlacesAfterwards, 41 TransitionsBefore, 41 TransitionsAfterwards, 460 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 210 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 141, positive: 131, positive conditional: 0, positive unconditional: 131, negative: 10, negative conditional: 0, negative unconditional: 10, 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: 141, positive: 131, positive conditional: 0, positive unconditional: 131, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2079, Positive cache size: 2025, Positive conditional cache size: 0, Positive unconditional cache size: 2025, Negative cache size: 54, Negative conditional cache size: 0, Negative unconditional cache size: 54 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 47.9ms, 58 PlacesBefore, 58 PlacesAfterwards, 49 TransitionsBefore, 49 TransitionsAfterwards, 540 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 298 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 119, positive: 107, positive conditional: 0, positive unconditional: 107, negative: 12, negative conditional: 0, negative unconditional: 12, 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: 119, positive: 107, positive conditional: 0, positive unconditional: 107, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2079, Positive cache size: 2025, Positive conditional cache size: 0, Positive unconditional cache size: 2025, Negative cache size: 54, Negative conditional cache size: 0, Negative unconditional cache size: 54 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 22.4ms, 64 PlacesBefore, 63 PlacesAfterwards, 45 TransitionsBefore, 45 TransitionsAfterwards, 364 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 202 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 132, positive: 122, positive conditional: 0, positive unconditional: 122, negative: 10, negative conditional: 0, negative unconditional: 10, 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: 132, positive: 122, positive conditional: 0, positive unconditional: 122, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2079, Positive cache size: 2025, Positive conditional cache size: 0, Positive unconditional cache size: 2025, Negative cache size: 54, Negative conditional cache size: 0, Negative unconditional cache size: 54 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 28.7ms, 58 PlacesBefore, 58 PlacesAfterwards, 52 TransitionsBefore, 52 TransitionsAfterwards, 450 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 187 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 119, positive: 110, positive conditional: 0, positive unconditional: 110, negative: 9, negative conditional: 0, negative unconditional: 9, 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: 119, positive: 110, positive conditional: 0, positive unconditional: 110, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2079, Positive cache size: 2025, Positive conditional cache size: 0, Positive unconditional cache size: 2025, Negative cache size: 54, Negative conditional cache size: 0, Negative unconditional cache size: 54 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 202.9ms, 70 PlacesBefore, 70 PlacesAfterwards, 66 TransitionsBefore, 66 TransitionsAfterwards, 632 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , 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: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2147, Positive cache size: 2093, Positive conditional cache size: 0, Positive unconditional cache size: 2093, Negative cache size: 54, Negative conditional cache size: 0, Negative unconditional cache size: 54 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 71.4ms, 79 PlacesBefore, 79 PlacesAfterwards, 81 TransitionsBefore, 81 TransitionsAfterwards, 854 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): 2147, Positive cache size: 2093, Positive conditional cache size: 0, Positive unconditional cache size: 2093, Negative cache size: 54, Negative conditional cache size: 0, Negative unconditional cache size: 54 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 75.7ms, 85 PlacesBefore, 84 PlacesAfterwards, 83 TransitionsBefore, 83 TransitionsAfterwards, 874 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): 2147, Positive cache size: 2093, Positive conditional cache size: 0, Positive unconditional cache size: 2093, Negative cache size: 54, Negative conditional cache size: 0, Negative unconditional cache size: 54 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p1_EAX = 0; [L713] 0 int __unbuffered_p2_EAX = 0; [L715] 0 int __unbuffered_p2_EBX = 0; [L717] 0 int a = 0; [L718] 0 _Bool main$tmp_guard0; [L719] 0 _Bool main$tmp_guard1; [L721] 0 int x = 0; [L723] 0 int y = 0; [L724] 0 _Bool y$flush_delayed; [L725] 0 int y$mem_tmp; [L726] 0 _Bool y$r_buff0_thd0; [L727] 0 _Bool y$r_buff0_thd1; [L728] 0 _Bool y$r_buff0_thd2; [L729] 0 _Bool y$r_buff0_thd3; [L730] 0 _Bool y$r_buff1_thd0; [L731] 0 _Bool y$r_buff1_thd1; [L732] 0 _Bool y$r_buff1_thd2; [L733] 0 _Bool y$r_buff1_thd3; [L734] 0 _Bool y$read_delayed; [L735] 0 int *y$read_delayed_var; [L736] 0 int y$w_buff0; [L737] 0 _Bool y$w_buff0_used; [L738] 0 int y$w_buff1; [L739] 0 _Bool y$w_buff1_used; [L741] 0 int z = 0; [L742] 0 _Bool weak$$choice0; [L743] 0 _Bool weak$$choice2; [L833] 0 pthread_t t1004; [L834] FCALL, FORK 0 pthread_create(&t1004, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L835] 0 pthread_t t1005; [L836] FCALL, FORK 0 pthread_create(&t1005, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L837] 0 pthread_t t1006; [L838] FCALL, FORK 0 pthread_create(&t1006, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L790] 3 y$w_buff1 = y$w_buff0 [L791] 3 y$w_buff0 = 1 [L792] 3 y$w_buff1_used = y$w_buff0_used [L793] 3 y$w_buff0_used = (_Bool)1 [L18] COND FALSE 3 !(!expression) [L795] 3 y$r_buff1_thd0 = y$r_buff0_thd0 [L796] 3 y$r_buff1_thd1 = y$r_buff0_thd1 [L797] 3 y$r_buff1_thd2 = y$r_buff0_thd2 [L798] 3 y$r_buff1_thd3 = y$r_buff0_thd3 [L799] 3 y$r_buff0_thd3 = (_Bool)1 [L802] 3 z = 1 [L805] 3 __unbuffered_p2_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L808] 3 __unbuffered_p2_EBX = a VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L747] 1 a = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L750] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L762] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L765] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L766] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L767] 2 y$flush_delayed = weak$$choice2 [L768] 2 y$mem_tmp = y [L769] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L769] 2 y = !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L770] EXPR 2 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L770] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0) [L770] EXPR 2 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L770] 2 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L771] EXPR 2 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L771] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1) [L771] EXPR 2 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L771] 2 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L772] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L772] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used) [L772] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L772] 2 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L773] EXPR 2 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L773] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L773] EXPR 2 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L773] 2 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L774] EXPR 2 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L774] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2) [L774] EXPR 2 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L774] 2 y$r_buff0_thd2 = weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L775] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L775] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L775] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L775] 2 y$r_buff1_thd2 = weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L776] 2 __unbuffered_p1_EAX = y [L777] EXPR 2 y$flush_delayed ? y$mem_tmp : y [L777] 2 y = y$flush_delayed ? y$mem_tmp : y [L778] 2 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L755] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L757] 1 return 0; [L783] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L785] 2 return 0; [L811] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L811] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L812] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L812] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L813] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L813] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L814] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L814] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L815] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L815] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L818] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L820] 3 return 0; [L840] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L3] COND FALSE 0 !(!cond) [L844] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L844] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L844] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L844] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L845] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L845] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L846] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L846] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L847] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L847] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L848] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L848] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L851] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p1_EAX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0) [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 99 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 3.6ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 9901.8ms, OverallIterations: 13, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 1547.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 6054.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 97 SDtfs, 92 SDslu, 82 SDs, 0 SdLazy, 300 SolverSat, 81 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 362.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 398.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=890occurred in iteration=12, InterpolantAutomatonStates: 70, 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: 35.3ms SsaConstructionTime, 404.1ms SatisfiabilityAnalysisTime, 786.2ms InterpolantComputationTime, 192 NumberOfCodeBlocks, 192 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 161 ConstructedInterpolants, 0 QuantifiedInterpolants, 1096 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...