/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix053_power.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 22:08:27,106 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 22:08:27,109 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 22:08:27,147 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 22:08:27,148 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 22:08:27,150 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 22:08:27,152 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 22:08:27,155 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 22:08:27,157 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 22:08:27,159 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 22:08:27,160 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 22:08:27,162 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 22:08:27,163 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 22:08:27,164 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 22:08:27,166 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 22:08:27,168 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 22:08:27,169 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 22:08:27,170 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 22:08:27,173 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 22:08:27,175 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 22:08:27,177 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 22:08:27,179 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 22:08:27,181 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 22:08:27,182 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 22:08:27,185 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-28 22:08:27,190 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-28 22:08:27,191 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-28 22:08:27,192 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-28 22:08:27,194 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-28 22:08:27,195 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-28 22:08:27,197 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-28 22:08:27,201 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-28 22:08:27,202 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-28 22:08:27,202 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 22:08:27,205 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 22:08:27,207 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 22:08:27,209 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2021-04-28 22:08:27,265 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 22:08:27,266 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 22:08:27,271 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 22:08:27,271 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 22:08:27,271 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 22:08:27,272 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 22:08:27,272 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 22:08:27,272 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 22:08:27,273 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 22:08:27,273 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 22:08:27,274 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 22:08:27,274 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 22:08:27,275 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 22:08:27,275 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 22:08:27,275 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 22:08:27,276 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 22:08:27,276 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 22:08:27,276 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 22:08:27,276 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 22:08:27,277 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 22:08:27,277 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 22:08:27,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 22:08:27,278 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 22:08:27,278 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 22:08:27,278 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 22:08:27,278 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 22:08:27,279 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 22:08:27,279 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 22:08:27,279 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 22:08:27,279 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 22:08:27,280 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 22:08:27,788 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 22:08:27,817 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 22:08:27,820 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 22:08:27,822 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 22:08:27,824 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 22:08:27,825 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix053_power.opt.i [2021-04-28 22:08:27,907 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98f70d577/915f1ebf9c7b476c9fe81df2ae4a6d4c/FLAG74c911133 [2021-04-28 22:08:28,609 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 22:08:28,610 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix053_power.opt.i [2021-04-28 22:08:28,631 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98f70d577/915f1ebf9c7b476c9fe81df2ae4a6d4c/FLAG74c911133 [2021-04-28 22:08:28,857 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98f70d577/915f1ebf9c7b476c9fe81df2ae4a6d4c [2021-04-28 22:08:28,860 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 22:08:28,898 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 22:08:28,901 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 22:08:28,902 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 22:08:28,906 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 22:08:28,906 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 10:08:28" (1/1) ... [2021-04-28 22:08:28,909 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a956374 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:08:28, skipping insertion in model container [2021-04-28 22:08:28,910 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 10:08:28" (1/1) ... [2021-04-28 22:08:28,918 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 22:08:28,968 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 22:08:29,180 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/mix053_power.opt.i[950,963] [2021-04-28 22:08:29,381 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 22:08:29,398 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 22:08:29,411 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/mix053_power.opt.i[950,963] [2021-04-28 22:08:29,475 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 22:08:29,614 INFO L208 MainTranslator]: Completed translation [2021-04-28 22:08:29,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:08:29 WrapperNode [2021-04-28 22:08:29,615 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 22:08:29,616 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 22:08:29,616 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 22:08:29,616 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 22:08:29,625 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:08:29" (1/1) ... [2021-04-28 22:08:29,660 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:08:29" (1/1) ... [2021-04-28 22:08:29,704 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 22:08:29,708 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 22:08:29,708 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 22:08:29,708 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 22:08:29,720 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:08:29" (1/1) ... [2021-04-28 22:08:29,721 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:08:29" (1/1) ... [2021-04-28 22:08:29,742 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:08:29" (1/1) ... [2021-04-28 22:08:29,743 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:08:29" (1/1) ... [2021-04-28 22:08:29,764 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:08:29" (1/1) ... [2021-04-28 22:08:29,775 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:08:29" (1/1) ... [2021-04-28 22:08:29,781 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:08:29" (1/1) ... [2021-04-28 22:08:29,792 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 22:08:29,793 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 22:08:29,794 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 22:08:29,794 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 22:08:29,795 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:08:29" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 22:08:29,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 22:08:29,905 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 22:08:29,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 22:08:29,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 22:08:29,907 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 22:08:29,907 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 22:08:29,908 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 22:08:29,909 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 22:08:29,909 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-28 22:08:29,909 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-28 22:08:29,909 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-04-28 22:08:29,909 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-04-28 22:08:29,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 22:08:29,910 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 22:08:29,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 22:08:29,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 22:08:29,912 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-28 22:08:32,043 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 22:08:32,044 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 22:08:32,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 10:08:32 BoogieIcfgContainer [2021-04-28 22:08:32,046 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 22:08:32,048 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 22:08:32,048 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 22:08:32,052 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 22:08:32,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 10:08:28" (1/3) ... [2021-04-28 22:08:32,053 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@191126c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 10:08:32, skipping insertion in model container [2021-04-28 22:08:32,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:08:29" (2/3) ... [2021-04-28 22:08:32,054 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@191126c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 10:08:32, skipping insertion in model container [2021-04-28 22:08:32,054 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 10:08:32" (3/3) ... [2021-04-28 22:08:32,056 INFO L111 eAbstractionObserver]: Analyzing ICFG mix053_power.opt.i [2021-04-28 22:08:32,064 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 22:08:32,069 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 22:08:32,070 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 22:08:32,111 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,112 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,112 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,112 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,112 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,112 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,113 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,113 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,113 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,113 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,114 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,114 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,114 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,114 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,115 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,115 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,115 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,115 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,115 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,116 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,116 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,116 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,116 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,117 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,117 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,117 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,117 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,118 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,118 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,118 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,118 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,118 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,119 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,119 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,119 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,119 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,119 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,119 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,120 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,120 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,120 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,120 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,120 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,121 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,121 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,121 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,121 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,121 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,121 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,122 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,122 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,122 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,122 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,122 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,122 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,123 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,123 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,123 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,123 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,123 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,123 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,124 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,124 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,124 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,124 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,124 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,125 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,125 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,125 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,125 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,127 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,127 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,127 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,128 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,128 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,128 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,128 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,128 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,129 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,129 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,129 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,129 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,129 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,129 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,130 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,130 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,130 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,130 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,130 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,130 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,131 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,131 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,131 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,131 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,131 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,132 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,132 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,132 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,132 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,132 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,132 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,133 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,133 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,133 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,133 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,133 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,134 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,134 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,136 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,137 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,137 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,137 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,138 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,138 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,138 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,138 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,139 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,139 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,139 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,139 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,139 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,140 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,140 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,140 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,140 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,140 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,141 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,141 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,141 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,142 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,142 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,142 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,142 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,142 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,143 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,143 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,143 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,143 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,144 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,144 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,144 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,144 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,145 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,145 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,145 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,145 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,148 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,148 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,148 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,149 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,151 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,152 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,152 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,152 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,153 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,153 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,153 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,153 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,153 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,154 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,154 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,154 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,154 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,154 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,155 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,155 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,155 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,155 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,155 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,156 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,156 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,156 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,156 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,157 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,157 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,157 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,157 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,161 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,162 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,162 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,162 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,163 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,163 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,163 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,163 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,163 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,164 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,164 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,164 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,166 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,166 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,166 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,166 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:08:32,168 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 22:08:32,192 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-04-28 22:08:32,219 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 22:08:32,219 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 22:08:32,219 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 22:08:32,220 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 22:08:32,220 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 22:08:32,220 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 22:08:32,220 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 22:08:32,220 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 22:08:32,236 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 123 places, 112 transitions, 244 flow [2021-04-28 22:08:32,291 INFO L129 PetriNetUnfolder]: 2/108 cut-off events. [2021-04-28 22:08:32,291 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:08:32,297 INFO L84 FinitePrefix]: Finished finitePrefix Result has 121 conditions, 108 events. 2/108 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 72 event pairs, 0 based on Foata normal form. 0/104 useless extension candidates. Maximal degree in co-relation 73. Up to 2 conditions per place. [2021-04-28 22:08:32,297 INFO L82 GeneralOperation]: Start removeDead. Operand has 123 places, 112 transitions, 244 flow [2021-04-28 22:08:32,304 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 119 places, 108 transitions, 228 flow [2021-04-28 22:08:32,306 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:08:32,330 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 119 places, 108 transitions, 228 flow [2021-04-28 22:08:32,335 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 119 places, 108 transitions, 228 flow [2021-04-28 22:08:32,338 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 119 places, 108 transitions, 228 flow [2021-04-28 22:08:32,367 INFO L129 PetriNetUnfolder]: 2/108 cut-off events. [2021-04-28 22:08:32,368 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:08:32,369 INFO L84 FinitePrefix]: Finished finitePrefix Result has 121 conditions, 108 events. 2/108 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 80 event pairs, 0 based on Foata normal form. 0/104 useless extension candidates. Maximal degree in co-relation 73. Up to 2 conditions per place. [2021-04-28 22:08:32,374 INFO L146 LiptonReduction]: Number of co-enabled transitions 2300 [2021-04-28 22:08:35,793 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 22:08:36,458 WARN L205 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 83 [2021-04-28 22:08:36,680 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 22:08:37,476 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2021-04-28 22:08:51,865 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 22:08:51,975 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 22:08:52,082 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 22:08:52,186 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 22:08:52,824 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 22:08:52,951 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 22:08:53,053 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 22:08:53,252 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 22:08:53,818 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 22:08:53,941 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 22:08:54,066 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 22:08:54,190 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 22:08:54,301 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:08:54,410 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:08:54,520 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:08:54,627 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:08:54,749 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 22:08:54,866 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 22:08:54,974 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 22:08:55,094 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 22:08:55,196 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 22:08:55,396 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 22:08:55,498 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 22:08:55,697 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-04-28 22:08:55,826 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-04-28 22:08:55,960 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-04-28 22:08:56,095 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-04-28 22:08:56,990 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 22:08:57,135 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 22:08:57,282 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 22:08:57,430 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 22:08:57,938 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 22:08:58,041 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 22:08:58,159 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 22:08:58,264 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 22:08:58,420 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 22:08:58,574 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 22:08:58,716 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 22:08:58,865 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 22:08:59,000 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 22:08:59,136 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 22:08:59,273 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 22:08:59,409 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 22:08:59,587 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 22:08:59,781 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 22:08:59,970 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 22:09:00,162 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 22:09:00,323 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 22:09:00,486 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 22:09:00,653 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 22:09:00,812 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 22:09:01,017 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 22:09:01,197 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 22:09:01,380 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 22:09:01,566 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 22:09:01,735 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 22:09:01,899 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 22:09:02,060 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 22:09:02,227 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 22:09:02,390 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 22:09:02,555 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 22:09:02,721 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 22:09:02,883 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 22:09:03,028 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:09:03,166 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:09:03,305 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:09:03,445 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:09:03,592 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:09:03,730 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:09:03,867 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:09:04,046 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:09:04,194 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:09:04,342 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:09:04,481 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:09:04,623 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:09:04,756 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 22:09:04,885 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 22:09:05,010 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 22:09:05,133 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 22:09:05,317 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 22:09:05,511 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 22:09:05,701 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 22:09:05,882 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 22:09:06,023 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 22:09:06,166 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 22:09:06,310 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 22:09:06,454 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 22:09:06,632 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 22:09:06,800 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 22:09:06,977 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 22:09:07,142 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 22:09:07,687 WARN L205 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2021-04-28 22:09:07,916 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2021-04-28 22:09:08,429 WARN L205 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2021-04-28 22:09:08,676 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2021-04-28 22:09:08,799 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 22:09:08,922 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 22:09:09,045 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 22:09:09,167 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 22:09:09,358 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:09:09,555 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:09:09,753 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:09:09,972 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:09:10,179 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:09:10,394 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:09:10,611 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:09:10,823 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:09:11,318 WARN L205 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 115 [2021-04-28 22:09:11,537 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2021-04-28 22:09:12,005 WARN L205 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 115 [2021-04-28 22:09:12,227 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2021-04-28 22:09:12,413 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:09:12,605 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:09:12,808 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:09:12,998 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:09:13,194 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:09:13,391 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:09:13,597 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:09:13,788 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:09:13,850 INFO L158 LiptonReduction]: Checked pairs total: 22677 [2021-04-28 22:09:13,850 INFO L160 LiptonReduction]: Total number of compositions: 257 [2021-04-28 22:09:13,856 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 41552 [2021-04-28 22:09:13,884 INFO L129 PetriNetUnfolder]: 1/98 cut-off events. [2021-04-28 22:09:13,885 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:09:13,885 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:09:13,886 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:09:13,886 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:09:13,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:09:13,893 INFO L82 PathProgramCache]: Analyzing trace with hash -33553090, now seen corresponding path program 1 times [2021-04-28 22:09:13,903 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:09:13,903 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065446762] [2021-04-28 22:09:13,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:09:14,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:09:14,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:09:14,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:09:14,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:09:14,236 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065446762] [2021-04-28 22:09:14,237 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:09:14,237 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 22:09:14,238 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443828579] [2021-04-28 22:09:14,246 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 22:09:14,247 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:09:14,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 22:09:14,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 22:09:14,266 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 304 out of 369 [2021-04-28 22:09:14,274 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 147 places, 135 transitions, 282 flow. Second operand has 3 states, 3 states have (on average 304.6666666666667) internal successors, (914), 3 states have internal predecessors, (914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:09:14,275 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:09:14,275 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 304 of 369 [2021-04-28 22:09:14,279 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:09:14,389 INFO L129 PetriNetUnfolder]: 9/270 cut-off events. [2021-04-28 22:09:14,389 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:09:14,392 INFO L84 FinitePrefix]: Finished finitePrefix Result has 314 conditions, 270 events. 9/270 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 1952 event pairs, 3 based on Foata normal form. 12/60 useless extension candidates. Maximal degree in co-relation 242. Up to 17 conditions per place. [2021-04-28 22:09:14,394 INFO L132 encePairwiseOnDemand]: 354/369 looper letters, 5 selfloop transitions, 2 changer transitions 58/133 dead transitions. [2021-04-28 22:09:14,394 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 133 transitions, 310 flow [2021-04-28 22:09:14,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 22:09:14,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 22:09:14,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 935 transitions. [2021-04-28 22:09:14,415 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8446251129177959 [2021-04-28 22:09:14,416 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 935 transitions. [2021-04-28 22:09:14,417 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 935 transitions. [2021-04-28 22:09:14,420 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:09:14,423 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 935 transitions. [2021-04-28 22:09:14,429 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 311.6666666666667) internal successors, (935), 3 states have internal predecessors, (935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:09:14,440 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 369.0) internal successors, (1476), 4 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:09:14,441 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 369.0) internal successors, (1476), 4 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:09:14,444 INFO L185 Difference]: Start difference. First operand has 147 places, 135 transitions, 282 flow. Second operand 3 states and 935 transitions. [2021-04-28 22:09:14,445 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 146 places, 133 transitions, 310 flow [2021-04-28 22:09:14,448 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 133 transitions, 306 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-04-28 22:09:14,452 INFO L241 Difference]: Finished difference. Result has 142 places, 73 transitions, 158 flow [2021-04-28 22:09:14,454 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=270, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=158, PETRI_PLACES=142, PETRI_TRANSITIONS=73} [2021-04-28 22:09:14,455 INFO L343 CegarLoopForPetriNet]: 147 programPoint places, -5 predicate places. [2021-04-28 22:09:14,456 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:09:14,456 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 142 places, 73 transitions, 158 flow [2021-04-28 22:09:14,456 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 142 places, 73 transitions, 158 flow [2021-04-28 22:09:14,457 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 84 places, 73 transitions, 158 flow [2021-04-28 22:09:14,468 INFO L129 PetriNetUnfolder]: 0/73 cut-off events. [2021-04-28 22:09:14,468 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:09:14,469 INFO L84 FinitePrefix]: Finished finitePrefix Result has 85 conditions, 73 events. 0/73 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 366 event pairs, 0 based on Foata normal form. 0/25 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-28 22:09:14,471 INFO L146 LiptonReduction]: Number of co-enabled transitions 2612 [2021-04-28 22:09:14,718 INFO L158 LiptonReduction]: Checked pairs total: 3476 [2021-04-28 22:09:14,718 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:09:14,719 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 263 [2021-04-28 22:09:14,721 INFO L480 AbstractCegarLoop]: Abstraction has has 84 places, 73 transitions, 158 flow [2021-04-28 22:09:14,722 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 304.6666666666667) internal successors, (914), 3 states have internal predecessors, (914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:09:14,722 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:09:14,722 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:09:14,722 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 22:09:14,723 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:09:14,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:09:14,723 INFO L82 PathProgramCache]: Analyzing trace with hash 2115263902, now seen corresponding path program 1 times [2021-04-28 22:09:14,723 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:09:14,724 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567638577] [2021-04-28 22:09:14,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:09:14,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:09:14,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:09:14,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:09:14,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:09:14,852 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567638577] [2021-04-28 22:09:14,852 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:09:14,852 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 22:09:14,852 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039730155] [2021-04-28 22:09:14,855 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 22:09:14,855 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:09:14,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 22:09:14,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 22:09:14,861 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 255 out of 369 [2021-04-28 22:09:14,862 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 73 transitions, 158 flow. Second operand has 3 states, 3 states have (on average 255.66666666666666) internal successors, (767), 3 states have internal predecessors, (767), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:09:14,862 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:09:14,862 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 255 of 369 [2021-04-28 22:09:14,863 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:09:15,089 INFO L129 PetriNetUnfolder]: 111/571 cut-off events. [2021-04-28 22:09:15,089 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:09:15,092 INFO L84 FinitePrefix]: Finished finitePrefix Result has 812 conditions, 571 events. 111/571 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 185. Compared 5421 event pairs, 3 based on Foata normal form. 0/277 useless extension candidates. Maximal degree in co-relation 803. Up to 202 conditions per place. [2021-04-28 22:09:15,094 INFO L132 encePairwiseOnDemand]: 363/369 looper letters, 3 selfloop transitions, 3 changer transitions 54/101 dead transitions. [2021-04-28 22:09:15,094 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 101 transitions, 334 flow [2021-04-28 22:09:15,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 22:09:15,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 22:09:15,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 822 transitions. [2021-04-28 22:09:15,098 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7425474254742548 [2021-04-28 22:09:15,098 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 822 transitions. [2021-04-28 22:09:15,098 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 822 transitions. [2021-04-28 22:09:15,099 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:09:15,099 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 822 transitions. [2021-04-28 22:09:15,101 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 274.0) internal successors, (822), 3 states have internal predecessors, (822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:09:15,105 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 369.0) internal successors, (1476), 4 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:09:15,106 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 369.0) internal successors, (1476), 4 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:09:15,106 INFO L185 Difference]: Start difference. First operand has 84 places, 73 transitions, 158 flow. Second operand 3 states and 822 transitions. [2021-04-28 22:09:15,106 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 101 transitions, 334 flow [2021-04-28 22:09:15,108 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 101 transitions, 330 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 22:09:15,110 INFO L241 Difference]: Finished difference. Result has 85 places, 47 transitions, 117 flow [2021-04-28 22:09:15,110 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=154, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=117, PETRI_PLACES=85, PETRI_TRANSITIONS=47} [2021-04-28 22:09:15,110 INFO L343 CegarLoopForPetriNet]: 147 programPoint places, -62 predicate places. [2021-04-28 22:09:15,111 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:09:15,111 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 85 places, 47 transitions, 117 flow [2021-04-28 22:09:15,111 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 85 places, 47 transitions, 117 flow [2021-04-28 22:09:15,112 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 57 places, 47 transitions, 117 flow [2021-04-28 22:09:15,119 INFO L129 PetriNetUnfolder]: 3/57 cut-off events. [2021-04-28 22:09:15,119 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:09:15,120 INFO L84 FinitePrefix]: Finished finitePrefix Result has 80 conditions, 57 events. 3/57 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 211 event pairs, 1 based on Foata normal form. 0/31 useless extension candidates. Maximal degree in co-relation 72. Up to 10 conditions per place. [2021-04-28 22:09:15,122 INFO L146 LiptonReduction]: Number of co-enabled transitions 1310 [2021-04-28 22:09:15,174 INFO L158 LiptonReduction]: Checked pairs total: 981 [2021-04-28 22:09:15,174 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:09:15,175 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 64 [2021-04-28 22:09:15,177 INFO L480 AbstractCegarLoop]: Abstraction has has 57 places, 47 transitions, 117 flow [2021-04-28 22:09:15,178 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 255.66666666666666) internal successors, (767), 3 states have internal predecessors, (767), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:09:15,178 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:09:15,178 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:09:15,178 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 22:09:15,178 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:09:15,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:09:15,179 INFO L82 PathProgramCache]: Analyzing trace with hash -1009507236, now seen corresponding path program 1 times [2021-04-28 22:09:15,179 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:09:15,179 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928252865] [2021-04-28 22:09:15,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:09:15,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:09:15,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:09:15,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:09:15,273 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-04-28 22:09:15,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-28 22:09:15,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:09:15,286 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928252865] [2021-04-28 22:09:15,286 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:09:15,286 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 22:09:15,286 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889909264] [2021-04-28 22:09:15,287 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 22:09:15,287 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:09:15,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 22:09:15,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 22:09:15,290 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 232 out of 369 [2021-04-28 22:09:15,291 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 47 transitions, 117 flow. Second operand has 4 states, 4 states have (on average 232.75) internal successors, (931), 4 states have internal predecessors, (931), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:09:15,291 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:09:15,292 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 232 of 369 [2021-04-28 22:09:15,292 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:09:15,389 INFO L129 PetriNetUnfolder]: 117/395 cut-off events. [2021-04-28 22:09:15,390 INFO L130 PetriNetUnfolder]: For 59/201 co-relation queries the response was YES. [2021-04-28 22:09:15,392 INFO L84 FinitePrefix]: Finished finitePrefix Result has 706 conditions, 395 events. 117/395 cut-off events. For 59/201 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 2613 event pairs, 6 based on Foata normal form. 19/281 useless extension candidates. Maximal degree in co-relation 696. Up to 136 conditions per place. [2021-04-28 22:09:15,395 INFO L132 encePairwiseOnDemand]: 361/369 looper letters, 12 selfloop transitions, 11 changer transitions 0/60 dead transitions. [2021-04-28 22:09:15,396 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 60 transitions, 202 flow [2021-04-28 22:09:15,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 22:09:15,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 22:09:15,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 949 transitions. [2021-04-28 22:09:15,400 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6429539295392954 [2021-04-28 22:09:15,400 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 949 transitions. [2021-04-28 22:09:15,400 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 949 transitions. [2021-04-28 22:09:15,401 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:09:15,401 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 949 transitions. [2021-04-28 22:09:15,404 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 237.25) internal successors, (949), 4 states have internal predecessors, (949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:09:15,408 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 369.0) internal successors, (1845), 5 states have internal predecessors, (1845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:09:15,410 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 369.0) internal successors, (1845), 5 states have internal predecessors, (1845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:09:15,410 INFO L185 Difference]: Start difference. First operand has 57 places, 47 transitions, 117 flow. Second operand 4 states and 949 transitions. [2021-04-28 22:09:15,410 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 60 transitions, 202 flow [2021-04-28 22:09:15,411 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 60 transitions, 196 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 22:09:15,413 INFO L241 Difference]: Finished difference. Result has 62 places, 57 transitions, 206 flow [2021-04-28 22:09:15,413 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=114, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=206, PETRI_PLACES=62, PETRI_TRANSITIONS=57} [2021-04-28 22:09:15,414 INFO L343 CegarLoopForPetriNet]: 147 programPoint places, -85 predicate places. [2021-04-28 22:09:15,414 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:09:15,414 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 57 transitions, 206 flow [2021-04-28 22:09:15,414 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 62 places, 57 transitions, 206 flow [2021-04-28 22:09:15,415 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 62 places, 57 transitions, 206 flow [2021-04-28 22:09:15,471 INFO L129 PetriNetUnfolder]: 104/387 cut-off events. [2021-04-28 22:09:15,472 INFO L130 PetriNetUnfolder]: For 167/258 co-relation queries the response was YES. [2021-04-28 22:09:15,475 INFO L84 FinitePrefix]: Finished finitePrefix Result has 779 conditions, 387 events. 104/387 cut-off events. For 167/258 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 2733 event pairs, 31 based on Foata normal form. 3/256 useless extension candidates. Maximal degree in co-relation 767. Up to 121 conditions per place. [2021-04-28 22:09:15,485 INFO L146 LiptonReduction]: Number of co-enabled transitions 1788 [2021-04-28 22:09:15,681 INFO L158 LiptonReduction]: Checked pairs total: 563 [2021-04-28 22:09:15,681 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:09:15,682 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 268 [2021-04-28 22:09:15,684 INFO L480 AbstractCegarLoop]: Abstraction has has 62 places, 57 transitions, 206 flow [2021-04-28 22:09:15,685 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 232.75) internal successors, (931), 4 states have internal predecessors, (931), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:09:15,685 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:09:15,685 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:09:15,685 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 22:09:15,686 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:09:15,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:09:15,686 INFO L82 PathProgramCache]: Analyzing trace with hash 1364901710, now seen corresponding path program 1 times [2021-04-28 22:09:15,686 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:09:15,687 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041788763] [2021-04-28 22:09:15,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:09:15,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:09:15,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:09:15,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:09:15,761 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 22:09:15,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 22:09:15,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:09:15,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 22:09:15,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:09:15,772 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041788763] [2021-04-28 22:09:15,772 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:09:15,772 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 22:09:15,772 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011401686] [2021-04-28 22:09:15,773 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 22:09:15,773 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:09:15,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 22:09:15,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 22:09:15,775 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 279 out of 369 [2021-04-28 22:09:15,777 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 57 transitions, 206 flow. Second operand has 4 states, 4 states have (on average 279.75) internal successors, (1119), 4 states have internal predecessors, (1119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:09:15,778 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:09:15,778 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 279 of 369 [2021-04-28 22:09:15,778 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:09:24,385 INFO L129 PetriNetUnfolder]: 43447/64418 cut-off events. [2021-04-28 22:09:24,385 INFO L130 PetriNetUnfolder]: For 1444/1845 co-relation queries the response was YES. [2021-04-28 22:09:24,632 INFO L84 FinitePrefix]: Finished finitePrefix Result has 130080 conditions, 64418 events. 43447/64418 cut-off events. For 1444/1845 co-relation queries the response was YES. Maximal size of possible extension queue 10558. Compared 586376 event pairs, 22602 based on Foata normal form. 1155/19028 useless extension candidates. Maximal degree in co-relation 130066. Up to 41437 conditions per place. [2021-04-28 22:09:24,946 INFO L132 encePairwiseOnDemand]: 349/369 looper letters, 34 selfloop transitions, 33 changer transitions 0/101 dead transitions. [2021-04-28 22:09:24,946 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 101 transitions, 428 flow [2021-04-28 22:09:24,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 22:09:24,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 22:09:24,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1461 transitions. [2021-04-28 22:09:24,952 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.791869918699187 [2021-04-28 22:09:24,952 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1461 transitions. [2021-04-28 22:09:24,952 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1461 transitions. [2021-04-28 22:09:24,953 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:09:24,953 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1461 transitions. [2021-04-28 22:09:24,958 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 292.2) internal successors, (1461), 5 states have internal predecessors, (1461), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:09:24,963 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 369.0) internal successors, (2214), 6 states have internal predecessors, (2214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:09:24,965 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 369.0) internal successors, (2214), 6 states have internal predecessors, (2214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:09:24,965 INFO L185 Difference]: Start difference. First operand has 62 places, 57 transitions, 206 flow. Second operand 5 states and 1461 transitions. [2021-04-28 22:09:24,966 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 101 transitions, 428 flow [2021-04-28 22:09:24,973 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 101 transitions, 428 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 22:09:24,975 INFO L241 Difference]: Finished difference. Result has 69 places, 88 transitions, 452 flow [2021-04-28 22:09:24,976 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=206, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=452, PETRI_PLACES=69, PETRI_TRANSITIONS=88} [2021-04-28 22:09:24,976 INFO L343 CegarLoopForPetriNet]: 147 programPoint places, -78 predicate places. [2021-04-28 22:09:24,976 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:09:24,976 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 69 places, 88 transitions, 452 flow [2021-04-28 22:09:24,977 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 69 places, 88 transitions, 452 flow [2021-04-28 22:09:24,978 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 69 places, 88 transitions, 452 flow [2021-04-28 22:09:30,000 INFO L129 PetriNetUnfolder]: 37741/56618 cut-off events. [2021-04-28 22:09:30,001 INFO L130 PetriNetUnfolder]: For 9271/97343 co-relation queries the response was YES. [2021-04-28 22:09:30,209 INFO L84 FinitePrefix]: Finished finitePrefix Result has 161926 conditions, 56618 events. 37741/56618 cut-off events. For 9271/97343 co-relation queries the response was YES. Maximal size of possible extension queue 9201. Compared 525456 event pairs, 21145 based on Foata normal form. 8/16417 useless extension candidates. Maximal degree in co-relation 161909. Up to 53786 conditions per place. [2021-04-28 22:09:30,765 INFO L146 LiptonReduction]: Number of co-enabled transitions 2774 [2021-04-28 22:09:30,959 INFO L158 LiptonReduction]: Checked pairs total: 925 [2021-04-28 22:09:30,959 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:09:30,959 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5983 [2021-04-28 22:09:30,961 INFO L480 AbstractCegarLoop]: Abstraction has has 69 places, 88 transitions, 452 flow [2021-04-28 22:09:30,962 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 279.75) internal successors, (1119), 4 states have internal predecessors, (1119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:09:30,962 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:09:30,963 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:09:30,963 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 22:09:30,963 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:09:30,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:09:30,963 INFO L82 PathProgramCache]: Analyzing trace with hash -988508504, now seen corresponding path program 1 times [2021-04-28 22:09:30,964 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:09:30,964 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930042270] [2021-04-28 22:09:30,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:09:30,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:09:31,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:09:31,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 22:09:31,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:09:31,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:09:31,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:09:31,016 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930042270] [2021-04-28 22:09:31,017 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:09:31,017 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 22:09:31,017 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139049492] [2021-04-28 22:09:31,017 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 22:09:31,017 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:09:31,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 22:09:31,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 22:09:31,020 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 252 out of 369 [2021-04-28 22:09:31,021 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 88 transitions, 452 flow. Second operand has 3 states, 3 states have (on average 253.0) internal successors, (759), 3 states have internal predecessors, (759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:09:31,021 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:09:31,022 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 252 of 369 [2021-04-28 22:09:31,022 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:09:39,685 INFO L129 PetriNetUnfolder]: 64168/94521 cut-off events. [2021-04-28 22:09:39,686 INFO L130 PetriNetUnfolder]: For 17852/141321 co-relation queries the response was YES. [2021-04-28 22:09:39,996 INFO L84 FinitePrefix]: Finished finitePrefix Result has 270839 conditions, 94521 events. 64168/94521 cut-off events. For 17852/141321 co-relation queries the response was YES. Maximal size of possible extension queue 14316. Compared 882753 event pairs, 36710 based on Foata normal form. 330/27780 useless extension candidates. Maximal degree in co-relation 270820. Up to 90383 conditions per place. [2021-04-28 22:09:40,383 INFO L132 encePairwiseOnDemand]: 366/369 looper letters, 3 selfloop transitions, 5 changer transitions 0/88 dead transitions. [2021-04-28 22:09:40,384 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 88 transitions, 468 flow [2021-04-28 22:09:40,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 22:09:40,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 22:09:40,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 762 transitions. [2021-04-28 22:09:40,387 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6883468834688347 [2021-04-28 22:09:40,388 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 762 transitions. [2021-04-28 22:09:40,388 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 762 transitions. [2021-04-28 22:09:40,389 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:09:40,389 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 762 transitions. [2021-04-28 22:09:40,392 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 254.0) internal successors, (762), 3 states have internal predecessors, (762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:09:40,395 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 369.0) internal successors, (1476), 4 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:09:40,397 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 369.0) internal successors, (1476), 4 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:09:40,397 INFO L185 Difference]: Start difference. First operand has 69 places, 88 transitions, 452 flow. Second operand 3 states and 762 transitions. [2021-04-28 22:09:40,397 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 88 transitions, 468 flow [2021-04-28 22:09:40,516 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 88 transitions, 468 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 22:09:40,518 INFO L241 Difference]: Finished difference. Result has 72 places, 88 transitions, 469 flow [2021-04-28 22:09:40,518 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=452, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=469, PETRI_PLACES=72, PETRI_TRANSITIONS=88} [2021-04-28 22:09:40,519 INFO L343 CegarLoopForPetriNet]: 147 programPoint places, -75 predicate places. [2021-04-28 22:09:40,519 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:09:40,519 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 72 places, 88 transitions, 469 flow [2021-04-28 22:09:40,519 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 72 places, 88 transitions, 469 flow [2021-04-28 22:09:40,520 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 72 places, 88 transitions, 469 flow [2021-04-28 22:09:49,069 INFO L129 PetriNetUnfolder]: 64383/94786 cut-off events. [2021-04-28 22:09:49,069 INFO L130 PetriNetUnfolder]: For 15195/158642 co-relation queries the response was YES. [2021-04-28 22:09:49,486 INFO L84 FinitePrefix]: Finished finitePrefix Result has 271841 conditions, 94786 events. 64383/94786 cut-off events. For 15195/158642 co-relation queries the response was YES. Maximal size of possible extension queue 14683. Compared 897456 event pairs, 37149 based on Foata normal form. 15/27392 useless extension candidates. Maximal degree in co-relation 271822. Up to 90947 conditions per place. [2021-04-28 22:09:50,537 INFO L146 LiptonReduction]: Number of co-enabled transitions 2770 [2021-04-28 22:09:50,841 INFO L158 LiptonReduction]: Checked pairs total: 925 [2021-04-28 22:09:50,841 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:09:50,841 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 10322 [2021-04-28 22:09:50,843 INFO L480 AbstractCegarLoop]: Abstraction has has 72 places, 88 transitions, 469 flow [2021-04-28 22:09:50,844 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 253.0) internal successors, (759), 3 states have internal predecessors, (759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:09:50,844 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:09:50,844 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:09:50,844 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 22:09:50,844 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:09:50,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:09:50,845 INFO L82 PathProgramCache]: Analyzing trace with hash 1015378942, now seen corresponding path program 1 times [2021-04-28 22:09:50,845 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:09:50,845 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933528593] [2021-04-28 22:09:50,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:09:50,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:09:50,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:09:50,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:09:50,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:09:50,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:09:50,911 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 22:09:50,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 22:09:50,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:09:50,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 22:09:50,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:09:50,928 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933528593] [2021-04-28 22:09:50,928 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:09:50,928 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 22:09:50,928 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357264398] [2021-04-28 22:09:50,929 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 22:09:50,929 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:09:50,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 22:09:50,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 22:09:50,931 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 279 out of 369 [2021-04-28 22:09:50,934 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 88 transitions, 469 flow. Second operand has 5 states, 5 states have (on average 279.8) internal successors, (1399), 5 states have internal predecessors, (1399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:09:50,934 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:09:50,934 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 279 of 369 [2021-04-28 22:09:50,934 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:10:03,926 INFO L129 PetriNetUnfolder]: 81700/125232 cut-off events. [2021-04-28 22:10:03,926 INFO L130 PetriNetUnfolder]: For 33688/327163 co-relation queries the response was YES. [2021-04-28 22:10:04,741 INFO L84 FinitePrefix]: Finished finitePrefix Result has 481998 conditions, 125232 events. 81700/125232 cut-off events. For 33688/327163 co-relation queries the response was YES. Maximal size of possible extension queue 20400. Compared 1280543 event pairs, 16409 based on Foata normal form. 2211/41823 useless extension candidates. Maximal degree in co-relation 481977. Up to 117761 conditions per place. [2021-04-28 22:10:05,165 INFO L132 encePairwiseOnDemand]: 349/369 looper letters, 35 selfloop transitions, 64 changer transitions 0/133 dead transitions. [2021-04-28 22:10:05,166 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 133 transitions, 916 flow [2021-04-28 22:10:05,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 22:10:05,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 22:10:05,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2049 transitions. [2021-04-28 22:10:05,173 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7932636469221835 [2021-04-28 22:10:05,174 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2049 transitions. [2021-04-28 22:10:05,174 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2049 transitions. [2021-04-28 22:10:05,176 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:10:05,176 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2049 transitions. [2021-04-28 22:10:05,182 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 292.7142857142857) internal successors, (2049), 7 states have internal predecessors, (2049), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:10:05,188 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 369.0) internal successors, (2952), 8 states have internal predecessors, (2952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:10:05,189 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 369.0) internal successors, (2952), 8 states have internal predecessors, (2952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:10:05,190 INFO L185 Difference]: Start difference. First operand has 72 places, 88 transitions, 469 flow. Second operand 7 states and 2049 transitions. [2021-04-28 22:10:05,190 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 133 transitions, 916 flow [2021-04-28 22:10:05,387 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 133 transitions, 911 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 22:10:05,390 INFO L241 Difference]: Finished difference. Result has 80 places, 119 transitions, 906 flow [2021-04-28 22:10:05,390 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=464, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=906, PETRI_PLACES=80, PETRI_TRANSITIONS=119} [2021-04-28 22:10:05,391 INFO L343 CegarLoopForPetriNet]: 147 programPoint places, -67 predicate places. [2021-04-28 22:10:05,391 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:10:05,391 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 80 places, 119 transitions, 906 flow [2021-04-28 22:10:05,391 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 80 places, 119 transitions, 906 flow [2021-04-28 22:10:05,393 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 80 places, 119 transitions, 906 flow [2021-04-28 22:10:18,877 INFO L129 PetriNetUnfolder]: 78138/122034 cut-off events. [2021-04-28 22:10:18,877 INFO L130 PetriNetUnfolder]: For 183618/950722 co-relation queries the response was YES. [2021-04-28 22:10:19,519 INFO L84 FinitePrefix]: Finished finitePrefix Result has 579530 conditions, 122034 events. 78138/122034 cut-off events. For 183618/950722 co-relation queries the response was YES. Maximal size of possible extension queue 17915. Compared 1272158 event pairs, 16795 based on Foata normal form. 55/36269 useless extension candidates. Maximal degree in co-relation 579507. Up to 117116 conditions per place. [2021-04-28 22:10:20,802 INFO L146 LiptonReduction]: Number of co-enabled transitions 3960 [2021-04-28 22:10:21,549 INFO L158 LiptonReduction]: Checked pairs total: 1821 [2021-04-28 22:10:21,549 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:10:21,549 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 16158 [2021-04-28 22:10:21,551 INFO L480 AbstractCegarLoop]: Abstraction has has 80 places, 119 transitions, 906 flow [2021-04-28 22:10:21,551 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 279.8) internal successors, (1399), 5 states have internal predecessors, (1399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:10:21,552 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:10:21,552 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:10:21,552 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 22:10:21,552 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:10:21,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:10:21,553 INFO L82 PathProgramCache]: Analyzing trace with hash 1033259789, now seen corresponding path program 1 times [2021-04-28 22:10:21,553 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:10:21,553 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692350420] [2021-04-28 22:10:21,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:10:21,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:10:21,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:10:21,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:10:21,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:10:21,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:10:21,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:10:21,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:10:21,656 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 22:10:21,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 22:10:21,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:10:21,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 22:10:21,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:10:21,674 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692350420] [2021-04-28 22:10:21,674 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:10:21,674 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 22:10:21,674 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481178281] [2021-04-28 22:10:21,675 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 22:10:21,675 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:10:21,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 22:10:21,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-28 22:10:21,678 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 279 out of 369 [2021-04-28 22:10:21,680 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 119 transitions, 906 flow. Second operand has 6 states, 6 states have (on average 279.8333333333333) internal successors, (1679), 6 states have internal predecessors, (1679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:10:21,680 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:10:21,680 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 279 of 369 [2021-04-28 22:10:21,680 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:10:37,445 INFO L129 PetriNetUnfolder]: 76894/125016 cut-off events. [2021-04-28 22:10:37,445 INFO L130 PetriNetUnfolder]: For 114933/1024315 co-relation queries the response was YES. [2021-04-28 22:10:38,007 INFO L84 FinitePrefix]: Finished finitePrefix Result has 712540 conditions, 125016 events. 76894/125016 cut-off events. For 114933/1024315 co-relation queries the response was YES. Maximal size of possible extension queue 19662. Compared 1402864 event pairs, 2666 based on Foata normal form. 2310/41880 useless extension candidates. Maximal degree in co-relation 712515. Up to 118517 conditions per place. [2021-04-28 22:10:38,439 INFO L132 encePairwiseOnDemand]: 349/369 looper letters, 24 selfloop transitions, 95 changer transitions 12/165 dead transitions. [2021-04-28 22:10:38,439 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 165 transitions, 1578 flow [2021-04-28 22:10:38,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-28 22:10:38,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-28 22:10:38,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2637 transitions. [2021-04-28 22:10:38,450 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7940379403794038 [2021-04-28 22:10:38,451 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2637 transitions. [2021-04-28 22:10:38,451 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2637 transitions. [2021-04-28 22:10:38,453 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:10:38,454 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2637 transitions. [2021-04-28 22:10:38,462 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 293.0) internal successors, (2637), 9 states have internal predecessors, (2637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:10:38,474 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 369.0) internal successors, (3690), 10 states have internal predecessors, (3690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:10:38,476 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 369.0) internal successors, (3690), 10 states have internal predecessors, (3690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:10:38,476 INFO L185 Difference]: Start difference. First operand has 80 places, 119 transitions, 906 flow. Second operand 9 states and 2637 transitions. [2021-04-28 22:10:38,476 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 165 transitions, 1578 flow [2021-04-28 22:10:57,689 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 165 transitions, 1410 flow, removed 55 selfloop flow, removed 4 redundant places. [2021-04-28 22:10:57,694 INFO L241 Difference]: Finished difference. Result has 87 places, 150 transitions, 1329 flow [2021-04-28 22:10:57,694 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=739, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=76, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1329, PETRI_PLACES=87, PETRI_TRANSITIONS=150} [2021-04-28 22:10:57,694 INFO L343 CegarLoopForPetriNet]: 147 programPoint places, -60 predicate places. [2021-04-28 22:10:57,694 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:10:57,695 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 87 places, 150 transitions, 1329 flow [2021-04-28 22:10:57,695 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 87 places, 150 transitions, 1329 flow [2021-04-28 22:10:57,696 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 87 places, 150 transitions, 1329 flow [2021-04-28 22:11:09,087 INFO L129 PetriNetUnfolder]: 54440/95957 cut-off events. [2021-04-28 22:11:09,087 INFO L130 PetriNetUnfolder]: For 288391/876673 co-relation queries the response was YES. [2021-04-28 22:11:09,640 INFO L84 FinitePrefix]: Finished finitePrefix Result has 562121 conditions, 95957 events. 54440/95957 cut-off events. For 288391/876673 co-relation queries the response was YES. Maximal size of possible extension queue 17637. Compared 1170860 event pairs, 2635 based on Foata normal form. 4/28263 useless extension candidates. Maximal degree in co-relation 562096. Up to 78175 conditions per place. [2021-04-28 22:11:10,842 INFO L146 LiptonReduction]: Number of co-enabled transitions 4568 [2021-04-28 22:11:18,717 INFO L158 LiptonReduction]: Checked pairs total: 2783 [2021-04-28 22:11:18,717 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:11:18,717 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 21023 [2021-04-28 22:11:18,719 INFO L480 AbstractCegarLoop]: Abstraction has has 87 places, 150 transitions, 1329 flow [2021-04-28 22:11:18,720 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 279.8333333333333) internal successors, (1679), 6 states have internal predecessors, (1679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:11:18,720 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:11:18,720 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] [2021-04-28 22:11:18,720 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 22:11:18,720 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:11:18,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:11:18,721 INFO L82 PathProgramCache]: Analyzing trace with hash 1585222940, now seen corresponding path program 1 times [2021-04-28 22:11:18,721 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:11:18,721 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369038048] [2021-04-28 22:11:18,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:11:18,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:11:18,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:11:18,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:11:18,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:11:18,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:11:18,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:11:18,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:11:18,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:11:18,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:11:18,875 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 22:11:18,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 22:11:18,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:11:18,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 22:11:18,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:11:18,892 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369038048] [2021-04-28 22:11:18,892 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:11:18,892 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-28 22:11:18,892 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897082518] [2021-04-28 22:11:18,893 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-28 22:11:18,893 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:11:18,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-28 22:11:18,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-28 22:11:18,896 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 279 out of 369 [2021-04-28 22:11:18,898 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 150 transitions, 1329 flow. Second operand has 7 states, 7 states have (on average 279.85714285714283) internal successors, (1959), 7 states have internal predecessors, (1959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:11:18,898 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:11:18,898 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 279 of 369 [2021-04-28 22:11:18,899 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:11:33,043 INFO L129 PetriNetUnfolder]: 53485/95694 cut-off events. [2021-04-28 22:11:33,056 INFO L130 PetriNetUnfolder]: For 241462/1284839 co-relation queries the response was YES. [2021-04-28 22:11:33,596 INFO L84 FinitePrefix]: Finished finitePrefix Result has 647714 conditions, 95694 events. 53485/95694 cut-off events. For 241462/1284839 co-relation queries the response was YES. Maximal size of possible extension queue 19554. Compared 1184816 event pairs, 20 based on Foata normal form. 1618/30858 useless extension candidates. Maximal degree in co-relation 647687. Up to 76168 conditions per place. [2021-04-28 22:11:34,014 INFO L132 encePairwiseOnDemand]: 349/369 looper letters, 6 selfloop transitions, 113 changer transitions 20/173 dead transitions. [2021-04-28 22:11:34,014 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 173 transitions, 1817 flow [2021-04-28 22:11:34,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-04-28 22:11:34,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-04-28 22:11:34,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 3201 transitions. [2021-04-28 22:11:34,025 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7886178861788617 [2021-04-28 22:11:34,025 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 3201 transitions. [2021-04-28 22:11:34,025 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 3201 transitions. [2021-04-28 22:11:34,028 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:11:34,028 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 3201 transitions. [2021-04-28 22:11:34,035 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 291.0) internal successors, (3201), 11 states have internal predecessors, (3201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:11:34,045 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 369.0) internal successors, (4428), 12 states have internal predecessors, (4428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:11:34,047 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 369.0) internal successors, (4428), 12 states have internal predecessors, (4428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:11:34,047 INFO L185 Difference]: Start difference. First operand has 87 places, 150 transitions, 1329 flow. Second operand 11 states and 3201 transitions. [2021-04-28 22:11:34,047 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 173 transitions, 1817 flow [2021-04-28 22:18:16,159 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 173 transitions, 1482 flow, removed 109 selfloop flow, removed 5 redundant places. [2021-04-28 22:18:16,163 INFO L241 Difference]: Finished difference. Result has 95 places, 150 transitions, 1277 flow [2021-04-28 22:18:16,163 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=995, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=150, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=112, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1277, PETRI_PLACES=95, PETRI_TRANSITIONS=150} [2021-04-28 22:18:16,164 INFO L343 CegarLoopForPetriNet]: 147 programPoint places, -52 predicate places. [2021-04-28 22:18:16,164 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:18:16,164 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 95 places, 150 transitions, 1277 flow [2021-04-28 22:18:16,164 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 95 places, 150 transitions, 1277 flow [2021-04-28 22:18:16,166 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 93 places, 150 transitions, 1277 flow [2021-04-28 22:18:23,197 INFO L129 PetriNetUnfolder]: 43991/81211 cut-off events. [2021-04-28 22:18:23,198 INFO L130 PetriNetUnfolder]: For 109649/334909 co-relation queries the response was YES. [2021-04-28 22:18:23,786 INFO L84 FinitePrefix]: Finished finitePrefix Result has 362227 conditions, 81211 events. 43991/81211 cut-off events. For 109649/334909 co-relation queries the response was YES. Maximal size of possible extension queue 17041. Compared 1043063 event pairs, 16 based on Foata normal form. 4/23390 useless extension candidates. Maximal degree in co-relation 362199. Up to 51840 conditions per place. [2021-04-28 22:18:24,616 INFO L146 LiptonReduction]: Number of co-enabled transitions 4456 [2021-04-28 22:20:05,776 INFO L158 LiptonReduction]: Checked pairs total: 2705 [2021-04-28 22:20:05,776 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:20:05,776 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 109612 [2021-04-28 22:20:05,778 INFO L480 AbstractCegarLoop]: Abstraction has has 93 places, 150 transitions, 1277 flow [2021-04-28 22:20:05,779 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 279.85714285714283) internal successors, (1959), 7 states have internal predecessors, (1959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:20:05,779 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:20:05,779 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:20:05,780 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-28 22:20:05,780 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:20:05,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:20:05,780 INFO L82 PathProgramCache]: Analyzing trace with hash -504990679, now seen corresponding path program 1 times [2021-04-28 22:20:05,780 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:20:05,781 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323100195] [2021-04-28 22:20:05,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:20:05,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 22:20:05,855 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 22:20:05,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 22:20:05,951 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 22:20:06,017 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-28 22:20:06,018 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-28 22:20:06,018 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-28 22:20:06,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.04 10:20:06 BasicIcfg [2021-04-28 22:20:06,225 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-28 22:20:06,227 INFO L168 Benchmark]: Toolchain (without parser) took 697364.19 ms. Allocated memory was 302.0 MB in the beginning and 15.6 GB in the end (delta: 15.3 GB). Free memory was 277.2 MB in the beginning and 3.9 GB in the end (delta: -3.6 GB). Peak memory consumption was 11.7 GB. Max. memory is 16.0 GB. [2021-04-28 22:20:06,227 INFO L168 Benchmark]: CDTParser took 0.80 ms. Allocated memory is still 302.0 MB. Free memory is still 271.5 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-04-28 22:20:06,228 INFO L168 Benchmark]: CACSL2BoogieTranslator took 713.83 ms. Allocated memory is still 302.0 MB. Free memory was 274.0 MB in the beginning and 280.5 MB in the end (delta: -6.5 MB). Peak memory consumption was 37.8 MB. Max. memory is 16.0 GB. [2021-04-28 22:20:06,228 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.87 ms. Allocated memory is still 302.0 MB. Free memory was 280.5 MB in the beginning and 277.7 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 22:20:06,228 INFO L168 Benchmark]: Boogie Preprocessor took 84.94 ms. Allocated memory is still 302.0 MB. Free memory was 277.7 MB in the beginning and 275.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 22:20:06,230 INFO L168 Benchmark]: RCFGBuilder took 2252.80 ms. Allocated memory was 302.0 MB in the beginning and 385.9 MB in the end (delta: 83.9 MB). Free memory was 275.6 MB in the beginning and 344.7 MB in the end (delta: -69.1 MB). Peak memory consumption was 172.0 MB. Max. memory is 16.0 GB. [2021-04-28 22:20:06,232 INFO L168 Benchmark]: TraceAbstraction took 694177.49 ms. Allocated memory was 385.9 MB in the beginning and 15.6 GB in the end (delta: 15.3 GB). Free memory was 343.7 MB in the beginning and 3.9 GB in the end (delta: -3.6 GB). Peak memory consumption was 11.7 GB. Max. memory is 16.0 GB. [2021-04-28 22:20:06,235 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.80 ms. Allocated memory is still 302.0 MB. Free memory is still 271.5 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 713.83 ms. Allocated memory is still 302.0 MB. Free memory was 274.0 MB in the beginning and 280.5 MB in the end (delta: -6.5 MB). Peak memory consumption was 37.8 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 90.87 ms. Allocated memory is still 302.0 MB. Free memory was 280.5 MB in the beginning and 277.7 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 84.94 ms. Allocated memory is still 302.0 MB. Free memory was 277.7 MB in the beginning and 275.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 2252.80 ms. Allocated memory was 302.0 MB in the beginning and 385.9 MB in the end (delta: 83.9 MB). Free memory was 275.6 MB in the beginning and 344.7 MB in the end (delta: -69.1 MB). Peak memory consumption was 172.0 MB. Max. memory is 16.0 GB. * TraceAbstraction took 694177.49 ms. Allocated memory was 385.9 MB in the beginning and 15.6 GB in the end (delta: 15.3 GB). Free memory was 343.7 MB in the beginning and 3.9 GB in the end (delta: -3.6 GB). Peak memory consumption was 11.7 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 41515.2ms, 119 PlacesBefore, 147 PlacesAfterwards, 108 TransitionsBefore, 135 TransitionsAfterwards, 2300 CoEnabledTransitionPairs, 9 FixpointIterations, 149 TrivialSequentialCompositions, 106 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 1 ChoiceCompositions, 257 TotalNumberOfCompositions, 22677 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 7189, positive: 6860, positive conditional: 6860, positive unconditional: 0, negative: 329, negative conditional: 329, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2971, positive: 2898, positive conditional: 0, positive unconditional: 2898, negative: 73, negative conditional: 0, negative unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2971, positive: 2898, positive conditional: 0, positive unconditional: 2898, negative: 73, negative conditional: 0, negative unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2971, positive: 2842, positive conditional: 0, positive unconditional: 2842, negative: 129, negative conditional: 0, negative unconditional: 129, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 129, positive: 56, positive conditional: 0, positive unconditional: 56, negative: 73, negative conditional: 0, negative unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 968, positive: 247, positive conditional: 0, positive unconditional: 247, negative: 721, negative conditional: 0, negative unconditional: 721, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 7189, positive: 3962, positive conditional: 3962, positive unconditional: 0, negative: 256, negative conditional: 256, negative unconditional: 0, unknown: 2971, unknown conditional: 2971, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2971, Positive cache size: 2898, Positive conditional cache size: 2898, Positive unconditional cache size: 0, Negative cache size: 73, Negative conditional cache size: 73, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 262.2ms, 142 PlacesBefore, 84 PlacesAfterwards, 73 TransitionsBefore, 73 TransitionsAfterwards, 2612 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 3476 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 791, positive: 699, positive conditional: 699, positive unconditional: 0, negative: 92, negative conditional: 92, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 257, positive: 233, positive conditional: 16, positive unconditional: 217, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 257, positive: 233, positive conditional: 16, positive unconditional: 217, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 257, positive: 218, positive conditional: 0, positive unconditional: 218, negative: 39, negative conditional: 0, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 39, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 229, positive: 102, positive conditional: 0, positive unconditional: 102, negative: 127, negative conditional: 0, negative unconditional: 127, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 791, positive: 466, positive conditional: 466, positive unconditional: 0, negative: 68, negative conditional: 68, negative unconditional: 0, unknown: 257, unknown conditional: 257, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3228, Positive cache size: 3131, Positive conditional cache size: 3131, Positive unconditional cache size: 0, Negative cache size: 97, Negative conditional cache size: 97, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 63.3ms, 85 PlacesBefore, 57 PlacesAfterwards, 47 TransitionsBefore, 47 TransitionsAfterwards, 1310 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 981 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 232, positive: 203, positive conditional: 203, positive unconditional: 0, negative: 29, negative conditional: 29, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 60, positive: 56, positive conditional: 11, positive unconditional: 45, 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: 60, positive: 56, positive conditional: 11, positive unconditional: 45, 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: 60, positive: 56, positive conditional: 0, positive unconditional: 56, 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: 47, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 47, negative conditional: 0, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 232, positive: 147, positive conditional: 147, positive unconditional: 0, negative: 25, negative conditional: 25, negative unconditional: 0, unknown: 60, unknown conditional: 60, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3288, Positive cache size: 3187, Positive conditional cache size: 3187, Positive unconditional cache size: 0, Negative cache size: 101, Negative conditional cache size: 101, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 267.2ms, 62 PlacesBefore, 62 PlacesAfterwards, 57 TransitionsBefore, 57 TransitionsAfterwards, 1788 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 563 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 81, positive: 67, positive conditional: 67, positive unconditional: 0, negative: 14, negative conditional: 14, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 20, positive: 15, positive conditional: 9, positive unconditional: 6, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 20, positive: 15, positive conditional: 9, positive unconditional: 6, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 20, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 191, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 191, negative conditional: 0, negative unconditional: 191, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 81, positive: 52, positive conditional: 52, positive unconditional: 0, negative: 9, negative conditional: 9, negative unconditional: 0, unknown: 20, unknown conditional: 20, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3308, Positive cache size: 3202, Positive conditional cache size: 3202, Positive unconditional cache size: 0, Negative cache size: 106, Negative conditional cache size: 106, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5982.1ms, 69 PlacesBefore, 69 PlacesAfterwards, 88 TransitionsBefore, 88 TransitionsAfterwards, 2774 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 925 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 140, positive: 126, positive conditional: 126, positive unconditional: 0, negative: 14, negative conditional: 14, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 22, positive: 22, positive conditional: 13, positive unconditional: 9, 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: 22, positive: 22, positive conditional: 13, positive unconditional: 9, 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: 22, positive: 22, positive conditional: 0, positive unconditional: 22, 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: 140, positive: 104, positive conditional: 104, positive unconditional: 0, negative: 14, negative conditional: 14, negative unconditional: 0, unknown: 22, unknown conditional: 22, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3330, Positive cache size: 3224, Positive conditional cache size: 3224, Positive unconditional cache size: 0, Negative cache size: 106, Negative conditional cache size: 106, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 10322.1ms, 72 PlacesBefore, 72 PlacesAfterwards, 88 TransitionsBefore, 88 TransitionsAfterwards, 2770 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 925 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 142, positive: 128, positive conditional: 128, positive unconditional: 0, negative: 14, negative conditional: 14, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 142, positive: 126, positive conditional: 126, positive unconditional: 0, negative: 14, negative conditional: 14, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3332, Positive cache size: 3226, Positive conditional cache size: 3226, Positive unconditional cache size: 0, Negative cache size: 106, Negative conditional cache size: 106, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 16157.9ms, 80 PlacesBefore, 80 PlacesAfterwards, 119 TransitionsBefore, 119 TransitionsAfterwards, 3960 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1821 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 111, positive: 91, positive conditional: 91, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12, positive: 12, positive conditional: 7, positive unconditional: 5, 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: 12, positive: 12, positive conditional: 7, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 12, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 111, positive: 79, positive conditional: 79, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 12, unknown conditional: 12, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3344, Positive cache size: 3238, Positive conditional cache size: 3238, Positive unconditional cache size: 0, Negative cache size: 106, Negative conditional cache size: 106, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 21022.0ms, 87 PlacesBefore, 87 PlacesAfterwards, 150 TransitionsBefore, 150 TransitionsAfterwards, 4568 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 2783 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1405, positive: 1379, positive conditional: 1379, positive unconditional: 0, negative: 26, negative conditional: 26, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 140, positive: 140, positive conditional: 125, positive unconditional: 15, 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: 140, positive: 140, positive conditional: 125, positive unconditional: 15, 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: 140, positive: 140, positive conditional: 0, positive unconditional: 140, 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: 1405, positive: 1239, positive conditional: 1239, positive unconditional: 0, negative: 26, negative conditional: 26, negative unconditional: 0, unknown: 140, unknown conditional: 140, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3484, Positive cache size: 3378, Positive conditional cache size: 3378, Positive unconditional cache size: 0, Negative cache size: 106, Negative conditional cache size: 106, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 109611.9ms, 95 PlacesBefore, 93 PlacesAfterwards, 150 TransitionsBefore, 150 TransitionsAfterwards, 4456 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 2705 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1366, positive: 1340, positive conditional: 1340, positive unconditional: 0, negative: 26, negative conditional: 26, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 117, positive: 117, positive conditional: 117, 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: 117, positive: 117, positive conditional: 117, 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: 117, positive: 117, positive conditional: 0, positive unconditional: 117, 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: 1366, positive: 1223, positive conditional: 1223, positive unconditional: 0, negative: 26, negative conditional: 26, negative unconditional: 0, unknown: 117, unknown conditional: 117, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3601, Positive cache size: 3495, Positive conditional cache size: 3495, Positive unconditional cache size: 0, Negative cache size: 106, Negative conditional cache size: 106, Negative unconditional cache size: 0 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p2_EAX = 0; [L714] 0 int __unbuffered_p3_EAX = 0; [L716] 0 int a = 0; [L717] 0 _Bool main$tmp_guard0; [L718] 0 _Bool main$tmp_guard1; [L720] 0 int x = 0; [L722] 0 int y = 0; [L724] 0 int z = 0; [L725] 0 _Bool z$flush_delayed; [L726] 0 int z$mem_tmp; [L727] 0 _Bool z$r_buff0_thd0; [L728] 0 _Bool z$r_buff0_thd1; [L729] 0 _Bool z$r_buff0_thd2; [L730] 0 _Bool z$r_buff0_thd3; [L731] 0 _Bool z$r_buff0_thd4; [L732] 0 _Bool z$r_buff1_thd0; [L733] 0 _Bool z$r_buff1_thd1; [L734] 0 _Bool z$r_buff1_thd2; [L735] 0 _Bool z$r_buff1_thd3; [L736] 0 _Bool z$r_buff1_thd4; [L737] 0 _Bool z$read_delayed; [L738] 0 int *z$read_delayed_var; [L739] 0 int z$w_buff0; [L740] 0 _Bool z$w_buff0_used; [L741] 0 int z$w_buff1; [L742] 0 _Bool z$w_buff1_used; [L743] 0 _Bool weak$$choice0; [L744] 0 _Bool weak$$choice2; [L844] 0 pthread_t t1413; [L845] FCALL, FORK 0 pthread_create(&t1413, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L846] 0 pthread_t t1414; [L847] FCALL, FORK 0 pthread_create(&t1414, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=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, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L848] 0 pthread_t t1415; [L849] FCALL, FORK 0 pthread_create(&t1415, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=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=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L850] 0 pthread_t t1416; [L851] FCALL, FORK 0 pthread_create(&t1416, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=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=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L806] 4 z$w_buff1 = z$w_buff0 [L807] 4 z$w_buff0 = 1 [L808] 4 z$w_buff1_used = z$w_buff0_used [L809] 4 z$w_buff0_used = (_Bool)1 [L18] COND FALSE 4 !(!expression) [L811] 4 z$r_buff1_thd0 = z$r_buff0_thd0 [L812] 4 z$r_buff1_thd1 = z$r_buff0_thd1 [L813] 4 z$r_buff1_thd2 = z$r_buff0_thd2 [L814] 4 z$r_buff1_thd3 = z$r_buff0_thd3 [L815] 4 z$r_buff1_thd4 = z$r_buff0_thd4 [L816] 4 z$r_buff0_thd4 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L819] 4 __unbuffered_p3_EAX = a VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=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=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L748] 1 a = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=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=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L751] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=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=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L756] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L758] 1 return 0; [L763] 2 x = 2 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, 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, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L766] 2 y = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, 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=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L771] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L773] 2 return 0; VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, 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=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L778] 3 y = 2 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, 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=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L781] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L782] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L783] 3 z$flush_delayed = weak$$choice2 [L784] 3 z$mem_tmp = z [L785] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L785] 3 z = !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L786] EXPR 3 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L786] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0) [L786] EXPR 3 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L786] 3 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L787] EXPR 3 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L787] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1) [L787] EXPR 3 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L787] 3 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L788] EXPR 3 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L788] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used) [L788] EXPR 3 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L788] 3 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L789] EXPR 3 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L789] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L789] EXPR 3 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L789] 3 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L790] EXPR 3 weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L790] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3) [L790] EXPR 3 weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L790] 3 z$r_buff0_thd3 = weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L791] EXPR 3 weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L791] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L791] EXPR 3 weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L791] 3 z$r_buff1_thd3 = weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L792] 3 __unbuffered_p2_EAX = z [L793] EXPR 3 z$flush_delayed ? z$mem_tmp : z [L793] 3 z = z$flush_delayed ? z$mem_tmp : z [L794] 3 z$flush_delayed = (_Bool)0 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L799] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L822] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L822] 4 z = z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L823] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L823] 4 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L824] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L824] 4 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L825] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L825] 4 z$r_buff0_thd4 = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L826] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L826] 4 z$r_buff1_thd4 = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L829] 4 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L853] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L3] COND FALSE 0 !(!cond) [L857] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L857] EXPR 0 z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z [L857] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L857] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L858] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L858] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L859] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L859] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L860] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L860] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L861] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L861] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L864] 0 main$tmp_guard1 = !(x == 2 && y == 2 && __unbuffered_p2_EAX == 0 && __unbuffered_p3_EAX == 0) [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 111 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 20.0ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 693804.6ms, OverallIterations: 9, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 487033.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 41644.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 50 SDtfs, 122 SDslu, 21 SDs, 0 SdLazy, 564 SolverSat, 263 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 717.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 186.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1329occurred in iteration=7, InterpolantAutomatonStates: 45, 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: 42.9ms SsaConstructionTime, 379.8ms SatisfiabilityAnalysisTime, 592.2ms InterpolantComputationTime, 136 NumberOfCodeBlocks, 136 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 356 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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...