/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/rfi007_rmo.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 23:12:31,677 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 23:12:31,681 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 23:12:31,736 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 23:12:31,737 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 23:12:31,741 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 23:12:31,745 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 23:12:31,753 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 23:12:31,756 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 23:12:31,762 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 23:12:31,763 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 23:12:31,765 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 23:12:31,766 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 23:12:31,768 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 23:12:31,770 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 23:12:31,772 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 23:12:31,775 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 23:12:31,777 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 23:12:31,784 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 23:12:31,791 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 23:12:31,794 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 23:12:31,796 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 23:12:31,797 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 23:12:31,800 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 23:12:31,809 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-28 23:12:31,817 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-28 23:12:31,817 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-28 23:12:31,820 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-28 23:12:31,820 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-28 23:12:31,822 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-28 23:12:31,822 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-28 23:12:31,823 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-28 23:12:31,823 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-28 23:12:31,823 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 23:12:31,824 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 23:12:31,825 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 23:12:31,826 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 23:12:31,878 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 23:12:31,878 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 23:12:31,883 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 23:12:31,883 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 23:12:31,883 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 23:12:31,884 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 23:12:31,884 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 23:12:31,884 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 23:12:31,884 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 23:12:31,885 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 23:12:31,886 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 23:12:31,886 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 23:12:31,887 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 23:12:31,887 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 23:12:31,887 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 23:12:31,887 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 23:12:31,887 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 23:12:31,888 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 23:12:31,888 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 23:12:31,888 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 23:12:31,888 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 23:12:31,889 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 23:12:31,889 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 23:12:31,889 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 23:12:31,889 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 23:12:31,890 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 23:12:31,890 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 23:12:31,890 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 23:12:31,890 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 23:12:31,890 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 23:12:31,891 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 23:12:32,277 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 23:12:32,307 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 23:12:32,310 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 23:12:32,311 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 23:12:32,312 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 23:12:32,312 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi007_rmo.oepc.i [2021-04-28 23:12:32,397 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bbdbce2d/23449831201f4923a8373df4eba868b2/FLAGf3c7558af [2021-04-28 23:12:33,082 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 23:12:33,082 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi007_rmo.oepc.i [2021-04-28 23:12:33,109 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bbdbce2d/23449831201f4923a8373df4eba868b2/FLAGf3c7558af [2021-04-28 23:12:33,357 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bbdbce2d/23449831201f4923a8373df4eba868b2 [2021-04-28 23:12:33,365 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 23:12:33,421 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 23:12:33,426 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 23:12:33,426 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 23:12:33,430 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 23:12:33,432 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 11:12:33" (1/1) ... [2021-04-28 23:12:33,434 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fbc9a40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:12:33, skipping insertion in model container [2021-04-28 23:12:33,434 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 11:12:33" (1/1) ... [2021-04-28 23:12:33,444 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 23:12:33,521 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 23:12:33,691 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/rfi007_rmo.oepc.i[949,962] [2021-04-28 23:12:34,027 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 23:12:34,042 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 23:12:34,056 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/rfi007_rmo.oepc.i[949,962] [2021-04-28 23:12:34,108 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 23:12:34,268 INFO L208 MainTranslator]: Completed translation [2021-04-28 23:12:34,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:12:34 WrapperNode [2021-04-28 23:12:34,269 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 23:12:34,270 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 23:12:34,271 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 23:12:34,271 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 23:12:34,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:12:34" (1/1) ... [2021-04-28 23:12:34,299 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:12:34" (1/1) ... [2021-04-28 23:12:34,329 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 23:12:34,330 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 23:12:34,330 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 23:12:34,331 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 23:12:34,340 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:12:34" (1/1) ... [2021-04-28 23:12:34,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:12:34" (1/1) ... [2021-04-28 23:12:34,346 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:12:34" (1/1) ... [2021-04-28 23:12:34,346 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:12:34" (1/1) ... [2021-04-28 23:12:34,359 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:12:34" (1/1) ... [2021-04-28 23:12:34,365 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:12:34" (1/1) ... [2021-04-28 23:12:34,369 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:12:34" (1/1) ... [2021-04-28 23:12:34,374 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 23:12:34,375 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 23:12:34,375 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 23:12:34,375 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 23:12:34,376 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:12:34" (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 23:12:34,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 23:12:34,509 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 23:12:34,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 23:12:34,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 23:12:34,511 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 23:12:34,512 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 23:12:34,513 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 23:12:34,513 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 23:12:34,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 23:12:34,513 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 23:12:34,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 23:12:34,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 23:12:34,517 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 23:12:36,670 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 23:12:36,670 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 23:12:36,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 11:12:36 BoogieIcfgContainer [2021-04-28 23:12:36,672 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 23:12:36,674 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 23:12:36,674 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 23:12:36,678 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 23:12:36,678 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 11:12:33" (1/3) ... [2021-04-28 23:12:36,679 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64359038 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 11:12:36, skipping insertion in model container [2021-04-28 23:12:36,679 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:12:34" (2/3) ... [2021-04-28 23:12:36,680 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64359038 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 11:12:36, skipping insertion in model container [2021-04-28 23:12:36,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 11:12:36" (3/3) ... [2021-04-28 23:12:36,681 INFO L111 eAbstractionObserver]: Analyzing ICFG rfi007_rmo.oepc.i [2021-04-28 23:12:36,689 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 23:12:36,696 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 23:12:36,697 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 23:12:36,734 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,734 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,734 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,734 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,735 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,735 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,735 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,735 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,735 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,736 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,736 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,736 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,736 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,736 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,737 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,737 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,737 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,737 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,737 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,738 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,738 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,738 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,738 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,739 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,739 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,739 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,739 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,739 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,739 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,739 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,740 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,740 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,741 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,741 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,741 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,741 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,741 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,742 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,742 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,742 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,742 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,742 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,743 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,743 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,743 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,743 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,743 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,743 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,744 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,744 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,744 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,744 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,744 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,744 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,744 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,745 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,745 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,745 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,745 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,745 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,745 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,746 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,746 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,746 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,746 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,746 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,746 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,746 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,747 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,747 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,747 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,747 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,747 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,747 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,748 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,748 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,748 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,748 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,748 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,748 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,751 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,751 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,751 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,751 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,751 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,752 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,752 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,752 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,752 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,752 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,752 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,752 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,753 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,754 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,754 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,754 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,754 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,754 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,754 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,755 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,755 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,755 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,755 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,755 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,755 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,756 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,756 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,756 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,756 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,756 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,756 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,757 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,757 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,757 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,757 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,757 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,757 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,757 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,764 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,764 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,765 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,765 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,765 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,765 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,765 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,766 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,766 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,766 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,766 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,766 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,766 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,767 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,767 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,767 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,767 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,768 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,771 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,771 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,772 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,772 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,772 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,772 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,772 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,772 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,773 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,773 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,773 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,773 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,775 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,776 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,776 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,776 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,776 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,776 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,777 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,777 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,777 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,777 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,777 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,778 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,778 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,778 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,778 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,778 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,778 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,779 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,779 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,779 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,779 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,779 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,779 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,780 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,780 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,780 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,780 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,780 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,781 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,781 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,781 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,781 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,781 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:36,783 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 23:12:36,809 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-04-28 23:12:36,853 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 23:12:36,854 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 23:12:36,854 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 23:12:36,855 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 23:12:36,855 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 23:12:36,855 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 23:12:36,855 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 23:12:36,855 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 23:12:36,875 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 87 places, 82 transitions, 174 flow [2021-04-28 23:12:36,931 INFO L129 PetriNetUnfolder]: 2/80 cut-off events. [2021-04-28 23:12:36,931 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:12:36,951 INFO L84 FinitePrefix]: Finished finitePrefix Result has 87 conditions, 80 events. 2/80 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 50 event pairs, 0 based on Foata normal form. 0/76 useless extension candidates. Maximal degree in co-relation 47. Up to 2 conditions per place. [2021-04-28 23:12:36,952 INFO L82 GeneralOperation]: Start removeDead. Operand has 87 places, 82 transitions, 174 flow [2021-04-28 23:12:36,960 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 85 places, 80 transitions, 166 flow [2021-04-28 23:12:36,962 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:12:36,984 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 85 places, 80 transitions, 166 flow [2021-04-28 23:12:36,989 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 85 places, 80 transitions, 166 flow [2021-04-28 23:12:36,993 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 85 places, 80 transitions, 166 flow [2021-04-28 23:12:37,027 INFO L129 PetriNetUnfolder]: 2/80 cut-off events. [2021-04-28 23:12:37,028 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:12:37,028 INFO L84 FinitePrefix]: Finished finitePrefix Result has 87 conditions, 80 events. 2/80 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 48 event pairs, 0 based on Foata normal form. 0/76 useless extension candidates. Maximal degree in co-relation 47. Up to 2 conditions per place. [2021-04-28 23:12:37,033 INFO L146 LiptonReduction]: Number of co-enabled transitions 992 [2021-04-28 23:12:39,612 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 23:12:40,220 WARN L205 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 86 [2021-04-28 23:12:40,428 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 23:12:44,207 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2021-04-28 23:12:44,404 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-04-28 23:12:44,572 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-04-28 23:12:44,733 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2021-04-28 23:12:44,881 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2021-04-28 23:12:45,163 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2021-04-28 23:12:45,342 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2021-04-28 23:12:45,528 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2021-04-28 23:12:46,471 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2021-04-28 23:12:46,673 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2021-04-28 23:12:47,164 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-04-28 23:12:47,327 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-04-28 23:12:47,512 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2021-04-28 23:12:47,727 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2021-04-28 23:12:50,510 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2021-04-28 23:12:50,738 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2021-04-28 23:12:50,957 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2021-04-28 23:12:51,153 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2021-04-28 23:12:51,683 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2021-04-28 23:12:51,948 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2021-04-28 23:12:52,218 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2021-04-28 23:12:52,490 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2021-04-28 23:12:52,694 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-04-28 23:12:52,874 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-04-28 23:12:53,114 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 23:12:53,275 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 23:12:53,442 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 23:12:53,613 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 23:12:53,764 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 23:12:53,916 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 23:12:54,063 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 23:12:54,212 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 23:12:54,543 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 23:12:54,646 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 23:12:54,748 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 23:12:55,166 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 23:12:55,298 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 23:12:55,429 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 23:12:55,558 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 23:12:55,723 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 23:12:55,887 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 23:12:56,041 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 23:12:56,197 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 23:12:56,352 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 23:12:56,499 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 23:12:56,660 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 23:12:56,820 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 23:12:57,227 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 23:12:57,631 WARN L205 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 103 [2021-04-28 23:12:57,825 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2021-04-28 23:12:58,233 WARN L205 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 103 [2021-04-28 23:12:58,419 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2021-04-28 23:12:59,134 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 23:12:59,263 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 23:12:59,395 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 23:12:59,529 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 23:12:59,661 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 23:13:00,109 WARN L205 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 108 [2021-04-28 23:13:00,306 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 23:13:00,720 WARN L205 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 108 [2021-04-28 23:13:00,910 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 23:13:01,019 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 23:13:01,127 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 23:13:01,236 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 23:13:01,341 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 23:13:01,469 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 23:13:01,598 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 23:13:01,726 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 23:13:01,855 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 23:13:01,996 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 23:13:02,132 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 23:13:02,278 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 23:13:02,461 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 23:13:02,588 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 23:13:02,725 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 23:13:02,862 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 23:13:02,993 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 23:13:03,511 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 23:13:03,661 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 23:13:03,822 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 23:13:03,977 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 23:13:04,376 INFO L158 LiptonReduction]: Checked pairs total: 8910 [2021-04-28 23:13:04,376 INFO L160 LiptonReduction]: Total number of compositions: 190 [2021-04-28 23:13:04,381 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 27420 [2021-04-28 23:13:04,413 INFO L129 PetriNetUnfolder]: 0/50 cut-off events. [2021-04-28 23:13:04,413 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:13:04,413 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:13:04,414 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2021-04-28 23:13:04,414 INFO L428 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:13:04,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:13:04,425 INFO L82 PathProgramCache]: Analyzing trace with hash 1026815, now seen corresponding path program 1 times [2021-04-28 23:13:04,436 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:13:04,437 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943132176] [2021-04-28 23:13:04,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:13:04,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:13:04,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:13:04,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:13:04,686 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 23:13:04,687 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943132176] [2021-04-28 23:13:04,688 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:13:04,688 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 23:13:04,689 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536671993] [2021-04-28 23:13:04,699 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 23:13:04,700 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:13:04,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 23:13:04,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 23:13:04,719 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 220 out of 272 [2021-04-28 23:13:04,724 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 100 transitions, 206 flow. Second operand has 3 states, 3 states have (on average 220.66666666666666) internal successors, (662), 3 states have internal predecessors, (662), 0 states have call successors, (0), 0 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 23:13:04,724 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:13:04,725 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 220 of 272 [2021-04-28 23:13:04,726 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:13:04,843 INFO L129 PetriNetUnfolder]: 16/229 cut-off events. [2021-04-28 23:13:04,843 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:13:04,845 INFO L84 FinitePrefix]: Finished finitePrefix Result has 280 conditions, 229 events. 16/229 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 1602 event pairs, 11 based on Foata normal form. 18/73 useless extension candidates. Maximal degree in co-relation 219. Up to 27 conditions per place. [2021-04-28 23:13:04,847 INFO L132 encePairwiseOnDemand]: 257/272 looper letters, 7 selfloop transitions, 2 changer transitions 45/99 dead transitions. [2021-04-28 23:13:04,848 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 99 transitions, 240 flow [2021-04-28 23:13:04,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 23:13:04,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 23:13:04,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 685 transitions. [2021-04-28 23:13:04,868 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8394607843137255 [2021-04-28 23:13:04,869 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 685 transitions. [2021-04-28 23:13:04,869 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 685 transitions. [2021-04-28 23:13:04,872 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:13:04,878 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 685 transitions. [2021-04-28 23:13:04,885 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 228.33333333333334) internal successors, (685), 3 states have internal predecessors, (685), 0 states have call successors, (0), 0 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 23:13:04,900 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 272.0) internal successors, (1088), 4 states have internal predecessors, (1088), 0 states have call successors, (0), 0 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 23:13:04,901 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 272.0) internal successors, (1088), 4 states have internal predecessors, (1088), 0 states have call successors, (0), 0 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 23:13:04,904 INFO L185 Difference]: Start difference. First operand has 106 places, 100 transitions, 206 flow. Second operand 3 states and 685 transitions. [2021-04-28 23:13:04,905 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 99 transitions, 240 flow [2021-04-28 23:13:04,909 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 99 transitions, 238 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 23:13:04,912 INFO L241 Difference]: Finished difference. Result has 103 places, 51 transitions, 110 flow [2021-04-28 23:13:04,915 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=272, PETRI_DIFFERENCE_MINUEND_FLOW=196, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=110, PETRI_PLACES=103, PETRI_TRANSITIONS=51} [2021-04-28 23:13:04,916 INFO L343 CegarLoopForPetriNet]: 106 programPoint places, -3 predicate places. [2021-04-28 23:13:04,916 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:13:04,916 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 103 places, 51 transitions, 110 flow [2021-04-28 23:13:04,917 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 103 places, 51 transitions, 110 flow [2021-04-28 23:13:04,918 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 58 places, 51 transitions, 110 flow [2021-04-28 23:13:04,927 INFO L129 PetriNetUnfolder]: 0/51 cut-off events. [2021-04-28 23:13:04,928 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:13:04,928 INFO L84 FinitePrefix]: Finished finitePrefix Result has 59 conditions, 51 events. 0/51 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 236 event pairs, 0 based on Foata normal form. 0/17 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-28 23:13:04,929 INFO L146 LiptonReduction]: Number of co-enabled transitions 1100 [2021-04-28 23:13:05,087 INFO L158 LiptonReduction]: Checked pairs total: 1464 [2021-04-28 23:13:05,087 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:13:05,087 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 171 [2021-04-28 23:13:05,089 INFO L480 AbstractCegarLoop]: Abstraction has has 58 places, 51 transitions, 110 flow [2021-04-28 23:13:05,090 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 220.66666666666666) internal successors, (662), 3 states have internal predecessors, (662), 0 states have call successors, (0), 0 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 23:13:05,090 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:13:05,090 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:13:05,091 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 23:13:05,091 INFO L428 AbstractCegarLoop]: === Iteration 2 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:13:05,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:13:05,092 INFO L82 PathProgramCache]: Analyzing trace with hash -846541316, now seen corresponding path program 1 times [2021-04-28 23:13:05,092 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:13:05,092 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267894646] [2021-04-28 23:13:05,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:13:05,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:13:05,213 INFO L142 QuantifierPusher]: treesize reduction 3, result has 81.3 percent of original size [2021-04-28 23:13:05,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 23:13:05,221 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 23:13:05,222 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267894646] [2021-04-28 23:13:05,222 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:13:05,222 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 23:13:05,224 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054783648] [2021-04-28 23:13:05,225 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 23:13:05,226 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:13:05,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 23:13:05,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 23:13:05,229 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 272 [2021-04-28 23:13:05,230 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 51 transitions, 110 flow. Second operand has 3 states, 3 states have (on average 160.66666666666666) internal successors, (482), 3 states have internal predecessors, (482), 0 states have call successors, (0), 0 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 23:13:05,230 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:13:05,231 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 272 [2021-04-28 23:13:05,231 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:13:05,509 INFO L129 PetriNetUnfolder]: 252/1045 cut-off events. [2021-04-28 23:13:05,509 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:13:05,512 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1566 conditions, 1045 events. 252/1045 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 207. Compared 10872 event pairs, 94 based on Foata normal form. 0/571 useless extension candidates. Maximal degree in co-relation 1557. Up to 265 conditions per place. [2021-04-28 23:13:05,514 INFO L132 encePairwiseOnDemand]: 256/272 looper letters, 4 selfloop transitions, 5 changer transitions 39/72 dead transitions. [2021-04-28 23:13:05,514 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 72 transitions, 246 flow [2021-04-28 23:13:05,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 23:13:05,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 23:13:05,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 526 transitions. [2021-04-28 23:13:05,518 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6446078431372549 [2021-04-28 23:13:05,518 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 526 transitions. [2021-04-28 23:13:05,518 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 526 transitions. [2021-04-28 23:13:05,519 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:13:05,519 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 526 transitions. [2021-04-28 23:13:05,521 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 175.33333333333334) internal successors, (526), 3 states have internal predecessors, (526), 0 states have call successors, (0), 0 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 23:13:05,523 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 272.0) internal successors, (1088), 4 states have internal predecessors, (1088), 0 states have call successors, (0), 0 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 23:13:05,524 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 272.0) internal successors, (1088), 4 states have internal predecessors, (1088), 0 states have call successors, (0), 0 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 23:13:05,524 INFO L185 Difference]: Start difference. First operand has 58 places, 51 transitions, 110 flow. Second operand 3 states and 526 transitions. [2021-04-28 23:13:05,525 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 72 transitions, 246 flow [2021-04-28 23:13:05,526 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 72 transitions, 242 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 23:13:05,527 INFO L241 Difference]: Finished difference. Result has 60 places, 33 transitions, 98 flow [2021-04-28 23:13:05,527 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=272, PETRI_DIFFERENCE_MINUEND_FLOW=106, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=98, PETRI_PLACES=60, PETRI_TRANSITIONS=33} [2021-04-28 23:13:05,528 INFO L343 CegarLoopForPetriNet]: 106 programPoint places, -46 predicate places. [2021-04-28 23:13:05,528 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:13:05,528 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 60 places, 33 transitions, 98 flow [2021-04-28 23:13:05,529 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 60 places, 33 transitions, 98 flow [2021-04-28 23:13:05,529 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 39 places, 33 transitions, 98 flow [2021-04-28 23:13:05,543 INFO L129 PetriNetUnfolder]: 8/88 cut-off events. [2021-04-28 23:13:05,543 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-04-28 23:13:05,543 INFO L84 FinitePrefix]: Finished finitePrefix Result has 136 conditions, 88 events. 8/88 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 424 event pairs, 4 based on Foata normal form. 0/56 useless extension candidates. Maximal degree in co-relation 127. Up to 21 conditions per place. [2021-04-28 23:13:05,545 INFO L146 LiptonReduction]: Number of co-enabled transitions 530 [2021-04-28 23:13:05,801 INFO L158 LiptonReduction]: Checked pairs total: 345 [2021-04-28 23:13:05,801 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:13:05,801 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 273 [2021-04-28 23:13:05,803 INFO L480 AbstractCegarLoop]: Abstraction has has 39 places, 33 transitions, 98 flow [2021-04-28 23:13:05,803 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 160.66666666666666) internal successors, (482), 3 states have internal predecessors, (482), 0 states have call successors, (0), 0 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 23:13:05,804 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:13:05,804 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:13:05,804 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 23:13:05,804 INFO L428 AbstractCegarLoop]: === Iteration 3 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:13:05,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:13:05,805 INFO L82 PathProgramCache]: Analyzing trace with hash -474569765, now seen corresponding path program 1 times [2021-04-28 23:13:05,805 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:13:05,805 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220303047] [2021-04-28 23:13:05,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:13:05,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:13:05,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:13:05,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:13:05,917 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 23:13:05,917 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220303047] [2021-04-28 23:13:05,918 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:13:05,918 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 23:13:05,918 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709232593] [2021-04-28 23:13:05,918 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 23:13:05,919 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:13:05,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 23:13:05,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 23:13:05,920 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 272 [2021-04-28 23:13:05,922 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 33 transitions, 98 flow. Second operand has 3 states, 3 states have (on average 185.66666666666666) internal successors, (557), 3 states have internal predecessors, (557), 0 states have call successors, (0), 0 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 23:13:05,922 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:13:05,922 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 272 [2021-04-28 23:13:05,922 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:13:05,939 INFO L129 PetriNetUnfolder]: 5/70 cut-off events. [2021-04-28 23:13:05,939 INFO L130 PetriNetUnfolder]: For 12/14 co-relation queries the response was YES. [2021-04-28 23:13:05,939 INFO L84 FinitePrefix]: Finished finitePrefix Result has 119 conditions, 70 events. 5/70 cut-off events. For 12/14 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 294 event pairs, 2 based on Foata normal form. 2/45 useless extension candidates. Maximal degree in co-relation 108. Up to 16 conditions per place. [2021-04-28 23:13:05,940 INFO L132 encePairwiseOnDemand]: 269/272 looper letters, 1 selfloop transitions, 3 changer transitions 0/33 dead transitions. [2021-04-28 23:13:05,940 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 33 transitions, 106 flow [2021-04-28 23:13:05,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 23:13:05,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 23:13:05,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 559 transitions. [2021-04-28 23:13:05,943 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6850490196078431 [2021-04-28 23:13:05,943 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 559 transitions. [2021-04-28 23:13:05,943 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 559 transitions. [2021-04-28 23:13:05,944 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:13:05,944 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 559 transitions. [2021-04-28 23:13:05,946 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 186.33333333333334) internal successors, (559), 3 states have internal predecessors, (559), 0 states have call successors, (0), 0 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 23:13:05,948 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 272.0) internal successors, (1088), 4 states have internal predecessors, (1088), 0 states have call successors, (0), 0 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 23:13:05,949 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 272.0) internal successors, (1088), 4 states have internal predecessors, (1088), 0 states have call successors, (0), 0 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 23:13:05,950 INFO L185 Difference]: Start difference. First operand has 39 places, 33 transitions, 98 flow. Second operand 3 states and 559 transitions. [2021-04-28 23:13:05,950 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 33 transitions, 106 flow [2021-04-28 23:13:05,951 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 33 transitions, 96 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 23:13:05,952 INFO L241 Difference]: Finished difference. Result has 40 places, 33 transitions, 99 flow [2021-04-28 23:13:05,952 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=272, PETRI_DIFFERENCE_MINUEND_FLOW=88, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=99, PETRI_PLACES=40, PETRI_TRANSITIONS=33} [2021-04-28 23:13:05,952 INFO L343 CegarLoopForPetriNet]: 106 programPoint places, -66 predicate places. [2021-04-28 23:13:05,953 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:13:05,953 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 33 transitions, 99 flow [2021-04-28 23:13:05,953 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 33 transitions, 99 flow [2021-04-28 23:13:05,954 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 33 transitions, 99 flow [2021-04-28 23:13:05,965 INFO L129 PetriNetUnfolder]: 5/78 cut-off events. [2021-04-28 23:13:05,965 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-04-28 23:13:05,966 INFO L84 FinitePrefix]: Finished finitePrefix Result has 119 conditions, 78 events. 5/78 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 367 event pairs, 2 based on Foata normal form. 0/48 useless extension candidates. Maximal degree in co-relation 109. Up to 16 conditions per place. [2021-04-28 23:13:05,967 INFO L146 LiptonReduction]: Number of co-enabled transitions 530 [2021-04-28 23:13:05,970 INFO L158 LiptonReduction]: Checked pairs total: 345 [2021-04-28 23:13:05,970 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:13:05,970 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 17 [2021-04-28 23:13:05,972 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 33 transitions, 99 flow [2021-04-28 23:13:05,973 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 185.66666666666666) internal successors, (557), 3 states have internal predecessors, (557), 0 states have call successors, (0), 0 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 23:13:05,973 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:13:05,973 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:13:05,973 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 23:13:05,973 INFO L428 AbstractCegarLoop]: === Iteration 4 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:13:05,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:13:05,974 INFO L82 PathProgramCache]: Analyzing trace with hash -1829455839, now seen corresponding path program 1 times [2021-04-28 23:13:05,974 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:13:05,974 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483412219] [2021-04-28 23:13:05,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:13:06,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:13:06,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:13:06,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:13:06,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:13:06,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 23:13:06,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:13:06,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 23:13:06,087 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 23:13:06,087 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483412219] [2021-04-28 23:13:06,087 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:13:06,087 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 23:13:06,087 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793705047] [2021-04-28 23:13:06,088 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 23:13:06,088 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:13:06,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 23:13:06,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 23:13:06,091 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 272 [2021-04-28 23:13:06,092 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 33 transitions, 99 flow. Second operand has 4 states, 4 states have (on average 183.75) internal successors, (735), 4 states have internal predecessors, (735), 0 states have call successors, (0), 0 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 23:13:06,093 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:13:06,093 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 272 [2021-04-28 23:13:06,093 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:13:06,314 INFO L129 PetriNetUnfolder]: 482/1092 cut-off events. [2021-04-28 23:13:06,315 INFO L130 PetriNetUnfolder]: For 22/25 co-relation queries the response was YES. [2021-04-28 23:13:06,317 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2203 conditions, 1092 events. 482/1092 cut-off events. For 22/25 co-relation queries the response was YES. Maximal size of possible extension queue 375. Compared 9066 event pairs, 138 based on Foata normal form. 37/322 useless extension candidates. Maximal degree in co-relation 2191. Up to 667 conditions per place. [2021-04-28 23:13:06,322 INFO L132 encePairwiseOnDemand]: 258/272 looper letters, 15 selfloop transitions, 17 changer transitions 9/58 dead transitions. [2021-04-28 23:13:06,322 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 58 transitions, 231 flow [2021-04-28 23:13:06,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 23:13:06,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 23:13:06,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 957 transitions. [2021-04-28 23:13:06,326 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7036764705882353 [2021-04-28 23:13:06,327 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 957 transitions. [2021-04-28 23:13:06,327 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 957 transitions. [2021-04-28 23:13:06,328 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:13:06,328 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 957 transitions. [2021-04-28 23:13:06,331 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 191.4) internal successors, (957), 5 states have internal predecessors, (957), 0 states have call successors, (0), 0 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 23:13:06,334 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 272.0) internal successors, (1632), 6 states have internal predecessors, (1632), 0 states have call successors, (0), 0 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 23:13:06,336 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 272.0) internal successors, (1632), 6 states have internal predecessors, (1632), 0 states have call successors, (0), 0 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 23:13:06,336 INFO L185 Difference]: Start difference. First operand has 40 places, 33 transitions, 99 flow. Second operand 5 states and 957 transitions. [2021-04-28 23:13:06,336 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 58 transitions, 231 flow [2021-04-28 23:13:06,341 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 58 transitions, 225 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 23:13:06,344 INFO L241 Difference]: Finished difference. Result has 45 places, 48 transitions, 217 flow [2021-04-28 23:13:06,344 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=272, PETRI_DIFFERENCE_MINUEND_FLOW=93, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=217, PETRI_PLACES=45, PETRI_TRANSITIONS=48} [2021-04-28 23:13:06,345 INFO L343 CegarLoopForPetriNet]: 106 programPoint places, -61 predicate places. [2021-04-28 23:13:06,345 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:13:06,345 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 48 transitions, 217 flow [2021-04-28 23:13:06,345 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 48 transitions, 217 flow [2021-04-28 23:13:06,346 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 45 places, 48 transitions, 217 flow [2021-04-28 23:13:06,428 INFO L129 PetriNetUnfolder]: 109/643 cut-off events. [2021-04-28 23:13:06,428 INFO L130 PetriNetUnfolder]: For 189/206 co-relation queries the response was YES. [2021-04-28 23:13:06,430 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1680 conditions, 643 events. 109/643 cut-off events. For 189/206 co-relation queries the response was YES. Maximal size of possible extension queue 252. Compared 6921 event pairs, 66 based on Foata normal form. 2/247 useless extension candidates. Maximal degree in co-relation 1667. Up to 427 conditions per place. [2021-04-28 23:13:06,438 INFO L146 LiptonReduction]: Number of co-enabled transitions 652 [2021-04-28 23:13:06,564 INFO L158 LiptonReduction]: Checked pairs total: 483 [2021-04-28 23:13:06,564 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:13:06,564 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 219 [2021-04-28 23:13:06,570 INFO L480 AbstractCegarLoop]: Abstraction has has 45 places, 48 transitions, 217 flow [2021-04-28 23:13:06,571 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 183.75) internal successors, (735), 4 states have internal predecessors, (735), 0 states have call successors, (0), 0 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 23:13:06,572 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:13:06,572 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:13:06,572 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 23:13:06,572 INFO L428 AbstractCegarLoop]: === Iteration 5 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:13:06,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:13:06,573 INFO L82 PathProgramCache]: Analyzing trace with hash -829226640, now seen corresponding path program 1 times [2021-04-28 23:13:06,573 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:13:06,573 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346117305] [2021-04-28 23:13:06,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:13:06,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:13:06,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:13:06,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:13:06,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:13:06,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:13:06,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:13:06,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 23:13:06,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:13:06,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 23:13:06,749 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 23:13:06,750 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346117305] [2021-04-28 23:13:06,750 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:13:06,750 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 23:13:06,750 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044166892] [2021-04-28 23:13:06,751 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 23:13:06,751 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:13:06,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 23:13:06,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 23:13:06,753 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 272 [2021-04-28 23:13:06,755 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 48 transitions, 217 flow. Second operand has 5 states, 5 states have (on average 183.8) internal successors, (919), 5 states have internal predecessors, (919), 0 states have call successors, (0), 0 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 23:13:06,755 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:13:06,755 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 272 [2021-04-28 23:13:06,755 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:13:06,980 INFO L129 PetriNetUnfolder]: 194/798 cut-off events. [2021-04-28 23:13:06,980 INFO L130 PetriNetUnfolder]: For 412/2596 co-relation queries the response was YES. [2021-04-28 23:13:06,983 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2701 conditions, 798 events. 194/798 cut-off events. For 412/2596 co-relation queries the response was YES. Maximal size of possible extension queue 324. Compared 8156 event pairs, 0 based on Foata normal form. 54/311 useless extension candidates. Maximal degree in co-relation 2686. Up to 475 conditions per place. [2021-04-28 23:13:06,985 INFO L132 encePairwiseOnDemand]: 258/272 looper letters, 4 selfloop transitions, 28 changer transitions 14/62 dead transitions. [2021-04-28 23:13:06,985 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 62 transitions, 366 flow [2021-04-28 23:13:06,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 23:13:06,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 23:13:06,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1326 transitions. [2021-04-28 23:13:06,991 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6964285714285714 [2021-04-28 23:13:06,991 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1326 transitions. [2021-04-28 23:13:06,991 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1326 transitions. [2021-04-28 23:13:06,992 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:13:06,992 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1326 transitions. [2021-04-28 23:13:06,996 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 189.42857142857142) internal successors, (1326), 7 states have internal predecessors, (1326), 0 states have call successors, (0), 0 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 23:13:07,001 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 272.0) internal successors, (2176), 8 states have internal predecessors, (2176), 0 states have call successors, (0), 0 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 23:13:07,003 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 272.0) internal successors, (2176), 8 states have internal predecessors, (2176), 0 states have call successors, (0), 0 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 23:13:07,004 INFO L185 Difference]: Start difference. First operand has 45 places, 48 transitions, 217 flow. Second operand 7 states and 1326 transitions. [2021-04-28 23:13:07,004 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 62 transitions, 366 flow [2021-04-28 23:13:07,008 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 62 transitions, 361 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-04-28 23:13:07,010 INFO L241 Difference]: Finished difference. Result has 53 places, 47 transitions, 299 flow [2021-04-28 23:13:07,010 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=272, PETRI_DIFFERENCE_MINUEND_FLOW=212, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=299, PETRI_PLACES=53, PETRI_TRANSITIONS=47} [2021-04-28 23:13:07,010 INFO L343 CegarLoopForPetriNet]: 106 programPoint places, -53 predicate places. [2021-04-28 23:13:07,010 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:13:07,011 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 53 places, 47 transitions, 299 flow [2021-04-28 23:13:07,011 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 53 places, 47 transitions, 299 flow [2021-04-28 23:13:07,012 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 50 places, 47 transitions, 299 flow [2021-04-28 23:13:07,051 INFO L129 PetriNetUnfolder]: 32/311 cut-off events. [2021-04-28 23:13:07,051 INFO L130 PetriNetUnfolder]: For 480/645 co-relation queries the response was YES. [2021-04-28 23:13:07,052 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1195 conditions, 311 events. 32/311 cut-off events. For 480/645 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 2789 event pairs, 0 based on Foata normal form. 0/124 useless extension candidates. Maximal degree in co-relation 1178. Up to 180 conditions per place. [2021-04-28 23:13:07,056 INFO L146 LiptonReduction]: Number of co-enabled transitions 496 [2021-04-28 23:13:07,094 INFO L158 LiptonReduction]: Checked pairs total: 426 [2021-04-28 23:13:07,094 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:13:07,094 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 84 [2021-04-28 23:13:07,096 INFO L480 AbstractCegarLoop]: Abstraction has has 50 places, 47 transitions, 299 flow [2021-04-28 23:13:07,096 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 183.8) internal successors, (919), 5 states have internal predecessors, (919), 0 states have call successors, (0), 0 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 23:13:07,097 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:13:07,097 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:13:07,097 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 23:13:07,097 INFO L428 AbstractCegarLoop]: === Iteration 6 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:13:07,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:13:07,098 INFO L82 PathProgramCache]: Analyzing trace with hash -977032249, now seen corresponding path program 1 times [2021-04-28 23:13:07,098 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:13:07,098 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530612449] [2021-04-28 23:13:07,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:13:07,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 23:13:07,157 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 23:13:07,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 23:13:07,255 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 23:13:07,322 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-28 23:13:07,322 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-28 23:13:07,322 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 23:13:07,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.04 11:13:07 BasicIcfg [2021-04-28 23:13:07,450 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-28 23:13:07,454 INFO L168 Benchmark]: Toolchain (without parser) took 34086.88 ms. Allocated memory was 318.8 MB in the beginning and 738.2 MB in the end (delta: 419.4 MB). Free memory was 292.6 MB in the beginning and 448.0 MB in the end (delta: -155.5 MB). Peak memory consumption was 265.4 MB. Max. memory is 16.0 GB. [2021-04-28 23:13:07,455 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 318.8 MB. Free memory is still 287.2 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-04-28 23:13:07,458 INFO L168 Benchmark]: CACSL2BoogieTranslator took 843.55 ms. Allocated memory is still 318.8 MB. Free memory was 289.4 MB in the beginning and 286.5 MB in the end (delta: 2.9 MB). Peak memory consumption was 25.4 MB. Max. memory is 16.0 GB. [2021-04-28 23:13:07,459 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.21 ms. Allocated memory is still 318.8 MB. Free memory was 286.5 MB in the beginning and 283.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 23:13:07,459 INFO L168 Benchmark]: Boogie Preprocessor took 43.90 ms. Allocated memory is still 318.8 MB. Free memory was 283.3 MB in the beginning and 281.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 23:13:07,460 INFO L168 Benchmark]: RCFGBuilder took 2297.35 ms. Allocated memory was 318.8 MB in the beginning and 383.8 MB in the end (delta: 65.0 MB). Free memory was 281.2 MB in the beginning and 282.8 MB in the end (delta: -1.5 MB). Peak memory consumption was 133.7 MB. Max. memory is 16.0 GB. [2021-04-28 23:13:07,460 INFO L168 Benchmark]: TraceAbstraction took 30775.77 ms. Allocated memory was 383.8 MB in the beginning and 738.2 MB in the end (delta: 354.4 MB). Free memory was 282.8 MB in the beginning and 448.0 MB in the end (delta: -165.3 MB). Peak memory consumption was 188.1 MB. Max. memory is 16.0 GB. [2021-04-28 23:13:07,463 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 318.8 MB. Free memory is still 287.2 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 843.55 ms. Allocated memory is still 318.8 MB. Free memory was 289.4 MB in the beginning and 286.5 MB in the end (delta: 2.9 MB). Peak memory consumption was 25.4 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 59.21 ms. Allocated memory is still 318.8 MB. Free memory was 286.5 MB in the beginning and 283.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 43.90 ms. Allocated memory is still 318.8 MB. Free memory was 283.3 MB in the beginning and 281.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 2297.35 ms. Allocated memory was 318.8 MB in the beginning and 383.8 MB in the end (delta: 65.0 MB). Free memory was 281.2 MB in the beginning and 282.8 MB in the end (delta: -1.5 MB). Peak memory consumption was 133.7 MB. Max. memory is 16.0 GB. * TraceAbstraction took 30775.77 ms. Allocated memory was 383.8 MB in the beginning and 738.2 MB in the end (delta: 354.4 MB). Free memory was 282.8 MB in the beginning and 448.0 MB in the end (delta: -165.3 MB). Peak memory consumption was 188.1 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 27387.2ms, 85 PlacesBefore, 106 PlacesAfterwards, 80 TransitionsBefore, 100 TransitionsAfterwards, 992 CoEnabledTransitionPairs, 8 FixpointIterations, 113 TrivialSequentialCompositions, 75 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 1 ChoiceCompositions, 190 TotalNumberOfCompositions, 8910 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2608, positive: 2406, positive conditional: 2406, positive unconditional: 0, negative: 202, negative conditional: 202, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1241, positive: 1183, positive conditional: 0, positive unconditional: 1183, negative: 58, negative conditional: 0, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1241, positive: 1183, positive conditional: 0, positive unconditional: 1183, negative: 58, negative conditional: 0, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1241, positive: 1169, positive conditional: 0, positive unconditional: 1169, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 72, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 58, negative conditional: 0, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 947, positive: 55, positive conditional: 0, positive unconditional: 55, negative: 892, negative conditional: 0, negative unconditional: 892, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2608, positive: 1223, positive conditional: 1223, positive unconditional: 0, negative: 144, negative conditional: 144, negative unconditional: 0, unknown: 1241, unknown conditional: 1241, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1229, Positive cache size: 1175, Positive conditional cache size: 1175, Positive unconditional cache size: 0, Negative cache size: 54, Negative conditional cache size: 54, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 170.0ms, 103 PlacesBefore, 58 PlacesAfterwards, 51 TransitionsBefore, 51 TransitionsAfterwards, 1100 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1464 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 323, positive: 259, positive conditional: 259, positive unconditional: 0, negative: 64, negative conditional: 64, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 45, positive: 28, positive conditional: 0, positive unconditional: 28, negative: 17, negative conditional: 2, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 45, positive: 28, positive conditional: 0, positive unconditional: 28, negative: 17, negative conditional: 2, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 45, positive: 20, positive conditional: 0, positive unconditional: 20, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 25, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 17, negative conditional: 2, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 147, positive: 43, positive conditional: 0, positive unconditional: 43, negative: 104, negative conditional: 33, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 323, positive: 231, positive conditional: 231, positive unconditional: 0, negative: 47, negative conditional: 47, negative unconditional: 0, unknown: 45, unknown conditional: 45, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1274, Positive cache size: 1203, Positive conditional cache size: 1203, Positive unconditional cache size: 0, Negative cache size: 71, Negative conditional cache size: 71, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 272.6ms, 60 PlacesBefore, 39 PlacesAfterwards, 33 TransitionsBefore, 33 TransitionsAfterwards, 530 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 345 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 60, positive: 43, positive conditional: 43, positive unconditional: 0, negative: 17, negative conditional: 17, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18, positive: 13, positive conditional: 4, positive unconditional: 9, 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: 18, positive: 13, positive conditional: 4, positive unconditional: 9, 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: 18, positive: 13, positive conditional: 0, positive unconditional: 13, 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: 252, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 252, negative conditional: 0, negative unconditional: 252, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 60, positive: 30, positive conditional: 30, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 18, unknown conditional: 18, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1292, Positive cache size: 1216, Positive conditional cache size: 1216, Positive unconditional cache size: 0, Negative cache size: 76, Negative conditional cache size: 76, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 17.1ms, 40 PlacesBefore, 40 PlacesAfterwards, 33 TransitionsBefore, 33 TransitionsAfterwards, 530 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 345 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 45, positive: 28, positive conditional: 28, positive unconditional: 0, negative: 17, negative conditional: 17, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 45, positive: 25, positive conditional: 25, positive unconditional: 0, negative: 17, negative conditional: 17, negative unconditional: 0, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1295, Positive cache size: 1219, Positive conditional cache size: 1219, Positive unconditional cache size: 0, Negative cache size: 76, Negative conditional cache size: 76, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 218.7ms, 45 PlacesBefore, 45 PlacesAfterwards, 48 TransitionsBefore, 48 TransitionsAfterwards, 652 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 483 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 43, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 17, negative conditional: 17, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 106, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 106, negative conditional: 0, negative unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 43, positive: 22, positive conditional: 22, positive unconditional: 0, negative: 14, negative conditional: 14, negative unconditional: 0, unknown: 7, unknown conditional: 7, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1302, Positive cache size: 1223, Positive conditional cache size: 1223, Positive unconditional cache size: 0, Negative cache size: 79, Negative conditional cache size: 79, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 83.1ms, 53 PlacesBefore, 50 PlacesAfterwards, 47 TransitionsBefore, 47 TransitionsAfterwards, 496 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 426 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 138, positive: 121, positive conditional: 121, positive unconditional: 0, negative: 17, negative conditional: 17, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16, positive: 15, positive conditional: 13, positive unconditional: 2, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 16, positive: 15, positive conditional: 13, positive unconditional: 2, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 16, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 26, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 138, positive: 106, positive conditional: 106, positive unconditional: 0, negative: 16, negative conditional: 16, negative unconditional: 0, unknown: 16, unknown conditional: 16, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1318, Positive cache size: 1238, Positive conditional cache size: 1238, Positive unconditional cache size: 0, Negative cache size: 80, Negative conditional cache size: 80, 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: [L708] 0 int __unbuffered_cnt = 0; [L710] 0 int __unbuffered_p1_EAX = 0; [L712] 0 int __unbuffered_p1_EBX = 0; [L713] 0 _Bool main$tmp_guard0; [L714] 0 _Bool main$tmp_guard1; [L716] 0 int x = 0; [L717] 0 _Bool x$flush_delayed; [L718] 0 int x$mem_tmp; [L719] 0 _Bool x$r_buff0_thd0; [L720] 0 _Bool x$r_buff0_thd1; [L721] 0 _Bool x$r_buff0_thd2; [L722] 0 _Bool x$r_buff1_thd0; [L723] 0 _Bool x$r_buff1_thd1; [L724] 0 _Bool x$r_buff1_thd2; [L725] 0 _Bool x$read_delayed; [L726] 0 int *x$read_delayed_var; [L727] 0 int x$w_buff0; [L728] 0 _Bool x$w_buff0_used; [L729] 0 int x$w_buff1; [L730] 0 _Bool x$w_buff1_used; [L732] 0 int y = 0; [L733] 0 _Bool weak$$choice0; [L734] 0 _Bool weak$$choice2; [L810] 0 pthread_t t1713; [L811] FCALL, FORK 0 pthread_create(&t1713, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L738] 1 x$w_buff1 = x$w_buff0 [L739] 1 x$w_buff0 = 1 [L740] 1 x$w_buff1_used = x$w_buff0_used [L741] 1 x$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L743] 1 x$r_buff1_thd0 = x$r_buff0_thd0 [L744] 1 x$r_buff1_thd1 = x$r_buff0_thd1 [L745] 1 x$r_buff1_thd2 = x$r_buff0_thd2 [L746] 1 x$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0] [L749] 1 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1] [L812] 0 pthread_t t1714; [L813] FCALL, FORK 0 pthread_create(&t1714, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1] [L766] 2 y = 2 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L769] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L772] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L773] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L774] 2 x$flush_delayed = weak$$choice2 [L775] 2 x$mem_tmp = x [L776] EXPR 2 !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff1) [L776] 2 x = !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff1) [L777] EXPR 2 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff0)) [L777] EXPR 2 !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff0) [L777] EXPR 2 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff0)) [L777] 2 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff0)) [L778] EXPR 2 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff1 : x$w_buff1)) [L778] EXPR 2 !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff1 : x$w_buff1) [L778] EXPR 2 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff1 : x$w_buff1)) [L778] 2 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff1 : x$w_buff1)) [L779] EXPR 2 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used)) [L779] EXPR 2 !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used) [L779] EXPR 2 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used)) [L779] 2 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used)) [L780] EXPR 2 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L780] EXPR 2 !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L780] EXPR 2 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L780] 2 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L781] EXPR 2 weak$$choice2 ? x$r_buff0_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2)) [L781] EXPR 2 !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2) [L781] EXPR 2 weak$$choice2 ? x$r_buff0_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2)) [L781] 2 x$r_buff0_thd2 = weak$$choice2 ? x$r_buff0_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2)) [L782] EXPR 2 weak$$choice2 ? x$r_buff1_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L782] EXPR 2 !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L782] EXPR 2 weak$$choice2 ? x$r_buff1_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L782] 2 x$r_buff1_thd2 = weak$$choice2 ? x$r_buff1_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L783] 2 __unbuffered_p1_EBX = x [L784] EXPR 2 x$flush_delayed ? x$mem_tmp : x [L784] 2 x = x$flush_delayed ? x$mem_tmp : x [L785] 2 x$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L788] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L788] EXPR 2 x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x [L788] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L788] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L789] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L789] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L790] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L790] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L791] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L791] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L792] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L792] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L752] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L752] 1 x = x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L753] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L753] 1 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L754] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L754] 1 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L755] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L755] 1 x$r_buff0_thd1 = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L756] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 [L756] 1 x$r_buff1_thd1 = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 [L759] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L795] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L797] 2 return 0; [L815] 0 main$tmp_guard0 = __unbuffered_cnt == 2 [L3] COND FALSE 0 !(!cond) [L819] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L819] EXPR 0 x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x [L819] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L819] 0 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L820] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L820] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L821] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L821] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L822] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L822] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L823] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L823] 0 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L826] 0 main$tmp_guard1 = !(y == 2 && __unbuffered_p1_EAX == 2 && __unbuffered_p1_EBX == 0) [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 81 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 19.1ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 30478.4ms, OverallIterations: 6, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 1053.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 27538.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 47 SDtfs, 32 SDslu, 5 SDs, 0 SdLazy, 160 SolverSat, 61 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 254.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 71.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=299occurred in iteration=5, InterpolantAutomatonStates: 21, 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: 24.3ms SsaConstructionTime, 310.2ms SatisfiabilityAnalysisTime, 372.4ms InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 34 ConstructedInterpolants, 0 QuantifiedInterpolants, 166 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...