/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/mix041_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 20:58:03,214 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 20:58:03,219 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 20:58:03,267 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 20:58:03,267 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 20:58:03,269 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 20:58:03,271 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 20:58:03,273 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 20:58:03,275 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 20:58:03,277 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 20:58:03,278 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 20:58:03,280 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 20:58:03,280 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 20:58:03,282 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 20:58:03,283 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 20:58:03,285 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 20:58:03,286 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 20:58:03,287 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 20:58:03,289 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 20:58:03,292 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 20:58:03,294 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 20:58:03,296 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 20:58:03,298 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 20:58:03,299 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 20:58:03,303 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-04-28 20:58:03,303 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-04-28 20:58:03,304 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-04-28 20:58:03,305 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-04-28 20:58:03,306 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-04-28 20:58:03,307 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-04-28 20:58:03,307 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-28 20:58:03,308 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-28 20:58:03,309 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-28 20:58:03,310 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-28 20:58:03,312 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-28 20:58:03,312 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-28 20:58:03,313 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-28 20:58:03,314 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-28 20:58:03,317 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 20:58:03,319 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 20:58:03,319 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 20:58:03,322 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 20:58:03,349 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 20:58:03,350 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 20:58:03,351 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 20:58:03,352 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 20:58:03,352 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 20:58:03,352 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 20:58:03,352 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 20:58:03,353 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 20:58:03,353 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 20:58:03,353 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 20:58:03,353 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 20:58:03,354 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 20:58:03,354 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 20:58:03,354 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 20:58:03,354 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 20:58:03,355 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 20:58:03,355 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 20:58:03,355 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 20:58:03,356 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 20:58:03,356 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 20:58:03,356 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 20:58:03,356 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 20:58:03,357 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 20:58:03,357 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 20:58:03,357 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 20:58:03,357 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 20:58:03,358 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 20:58:03,358 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 20:58:03,358 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 20:58:03,358 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 20:58:03,359 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 20:58:03,751 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 20:58:03,778 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 20:58:03,781 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 20:58:03,783 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 20:58:03,783 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 20:58:03,784 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix041_rmo.opt.i [2021-04-28 20:58:03,880 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e5603415/95dd4f2390254050a109bad27124f1ed/FLAG792fdeea9 [2021-04-28 20:58:04,591 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 20:58:04,592 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix041_rmo.opt.i [2021-04-28 20:58:04,612 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e5603415/95dd4f2390254050a109bad27124f1ed/FLAG792fdeea9 [2021-04-28 20:58:04,885 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e5603415/95dd4f2390254050a109bad27124f1ed [2021-04-28 20:58:04,888 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 20:58:04,937 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 20:58:04,938 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 20:58:04,939 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 20:58:04,943 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 20:58:04,943 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 08:58:04" (1/1) ... [2021-04-28 20:58:04,945 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5190036d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:58:04, skipping insertion in model container [2021-04-28 20:58:04,945 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 08:58:04" (1/1) ... [2021-04-28 20:58:04,954 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 20:58:05,006 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 20:58:05,182 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/mix041_rmo.opt.i[948,961] [2021-04-28 20:58:05,427 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 20:58:05,440 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 20:58:05,454 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/mix041_rmo.opt.i[948,961] [2021-04-28 20:58:05,512 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 20:58:05,651 INFO L208 MainTranslator]: Completed translation [2021-04-28 20:58:05,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:58:05 WrapperNode [2021-04-28 20:58:05,654 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 20:58:05,655 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 20:58:05,656 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 20:58:05,657 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 20:58:05,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:58:05" (1/1) ... [2021-04-28 20:58:05,709 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:58:05" (1/1) ... [2021-04-28 20:58:05,754 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 20:58:05,755 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 20:58:05,755 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 20:58:05,755 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 20:58:05,766 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:58:05" (1/1) ... [2021-04-28 20:58:05,766 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:58:05" (1/1) ... [2021-04-28 20:58:05,771 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:58:05" (1/1) ... [2021-04-28 20:58:05,771 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:58:05" (1/1) ... [2021-04-28 20:58:05,782 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:58:05" (1/1) ... [2021-04-28 20:58:05,786 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:58:05" (1/1) ... [2021-04-28 20:58:05,789 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:58:05" (1/1) ... [2021-04-28 20:58:05,795 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 20:58:05,796 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 20:58:05,796 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 20:58:05,796 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 20:58:05,797 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:58:05" (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 20:58:05,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 20:58:05,912 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 20:58:05,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 20:58:05,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 20:58:05,912 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 20:58:05,912 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 20:58:05,913 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 20:58:05,913 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 20:58:05,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 20:58:05,913 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 20:58:05,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 20:58:05,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 20:58:05,915 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 20:58:08,037 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 20:58:08,037 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 20:58:08,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 08:58:08 BoogieIcfgContainer [2021-04-28 20:58:08,040 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 20:58:08,041 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 20:58:08,041 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 20:58:08,045 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 20:58:08,045 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 08:58:04" (1/3) ... [2021-04-28 20:58:08,046 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@459cbd15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 08:58:08, skipping insertion in model container [2021-04-28 20:58:08,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:58:05" (2/3) ... [2021-04-28 20:58:08,047 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@459cbd15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 08:58:08, skipping insertion in model container [2021-04-28 20:58:08,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 08:58:08" (3/3) ... [2021-04-28 20:58:08,048 INFO L111 eAbstractionObserver]: Analyzing ICFG mix041_rmo.opt.i [2021-04-28 20:58:08,056 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 20:58:08,061 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 20:58:08,062 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 20:58:08,105 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:58:08,105 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:58:08,105 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:58:08,105 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:58:08,106 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:58:08,106 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:58:08,106 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:58:08,106 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:58:08,106 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:58:08,107 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:58:08,107 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:58:08,107 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:58:08,107 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:58:08,107 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:58:08,107 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:58:08,108 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:58:08,108 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:58:08,108 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:58:08,108 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:58:08,109 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:58:08,109 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:58:08,109 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:58:08,110 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:58:08,110 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:58:08,110 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:58:08,110 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:58:08,111 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:58:08,111 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:58:08,111 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:58:08,111 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:58:08,112 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:58:08,112 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:58:08,112 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:58:08,112 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:58:08,112 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:58:08,113 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:58:08,113 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:58:08,113 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:58:08,113 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:58:08,113 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:58:08,114 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:58:08,114 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:58:08,114 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:58:08,115 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:58:08,115 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:58:08,115 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:58:08,115 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:58:08,115 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:58:08,115 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:58:08,116 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:58:08,116 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:58:08,117 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:58:08,117 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:58:08,117 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:58:08,117 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:58:08,117 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:58:08,118 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:58:08,118 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:58:08,118 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:58:08,118 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:58:08,121 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:58:08,121 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:58:08,121 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:58:08,122 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:58:08,122 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:58:08,122 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:58:08,122 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:58:08,122 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:58:08,123 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:58:08,123 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:58:08,123 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:58:08,123 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:58:08,125 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:58:08,126 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:58:08,126 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:58:08,126 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:58:08,126 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:58:08,127 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:58:08,127 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:58:08,127 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:58:08,127 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:58:08,127 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:58:08,129 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 20:58:08,152 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-04-28 20:58:08,177 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 20:58:08,178 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 20:58:08,178 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 20:58:08,178 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 20:58:08,178 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 20:58:08,178 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 20:58:08,179 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 20:58:08,179 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 20:58:08,193 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 89 places, 84 transitions, 178 flow [2021-04-28 20:58:08,241 INFO L129 PetriNetUnfolder]: 2/82 cut-off events. [2021-04-28 20:58:08,241 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:58:08,245 INFO L84 FinitePrefix]: Finished finitePrefix Result has 89 conditions, 82 events. 2/82 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 54 event pairs, 0 based on Foata normal form. 0/78 useless extension candidates. Maximal degree in co-relation 48. Up to 2 conditions per place. [2021-04-28 20:58:08,245 INFO L82 GeneralOperation]: Start removeDead. Operand has 89 places, 84 transitions, 178 flow [2021-04-28 20:58:08,266 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 87 places, 82 transitions, 170 flow [2021-04-28 20:58:08,268 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:58:08,287 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 87 places, 82 transitions, 170 flow [2021-04-28 20:58:08,295 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 87 places, 82 transitions, 170 flow [2021-04-28 20:58:08,303 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 87 places, 82 transitions, 170 flow [2021-04-28 20:58:08,342 INFO L129 PetriNetUnfolder]: 2/82 cut-off events. [2021-04-28 20:58:08,342 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:58:08,343 INFO L84 FinitePrefix]: Finished finitePrefix Result has 89 conditions, 82 events. 2/82 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 53 event pairs, 0 based on Foata normal form. 0/78 useless extension candidates. Maximal degree in co-relation 48. Up to 2 conditions per place. [2021-04-28 20:58:08,355 INFO L146 LiptonReduction]: Number of co-enabled transitions 1046 [2021-04-28 20:58:12,373 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 226 DAG size of output: 186 [2021-04-28 20:58:12,874 WARN L205 SmtUtils]: Spent 497.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2021-04-28 20:58:15,275 WARN L205 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 310 DAG size of output: 266 [2021-04-28 20:58:16,320 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 263 [2021-04-28 20:58:16,769 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 20:58:16,897 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 20:58:17,450 WARN L205 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 86 [2021-04-28 20:58:17,670 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 20:58:20,072 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 228 DAG size of output: 187 [2021-04-28 20:58:20,604 WARN L205 SmtUtils]: Spent 530.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2021-04-28 20:58:23,005 WARN L205 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 312 DAG size of output: 267 [2021-04-28 20:58:24,086 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 264 [2021-04-28 20:58:25,336 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 226 DAG size of output: 185 [2021-04-28 20:58:25,909 WARN L205 SmtUtils]: Spent 564.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2021-04-28 20:58:28,455 WARN L205 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 310 DAG size of output: 265 [2021-04-28 20:58:29,632 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 262 [2021-04-28 20:58:31,065 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 230 DAG size of output: 190 [2021-04-28 20:58:31,683 WARN L205 SmtUtils]: Spent 612.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-04-28 20:58:34,403 WARN L205 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 314 DAG size of output: 270 [2021-04-28 20:58:35,701 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-28 20:58:38,606 WARN L205 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 226 DAG size of output: 186 [2021-04-28 20:58:39,245 WARN L205 SmtUtils]: Spent 636.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2021-04-28 20:58:42,205 WARN L205 SmtUtils]: Spent 2.95 s on a formula simplification. DAG size of input: 310 DAG size of output: 265 [2021-04-28 20:58:43,525 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 262 [2021-04-28 20:58:45,793 WARN L205 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 229 DAG size of output: 188 [2021-04-28 20:58:46,453 WARN L205 SmtUtils]: Spent 657.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-04-28 20:58:49,582 WARN L205 SmtUtils]: Spent 3.13 s on a formula simplification. DAG size of input: 313 DAG size of output: 269 [2021-04-28 20:58:51,032 WARN L205 SmtUtils]: Spent 1.45 s on a formula simplification that was a NOOP. DAG size: 266 [2021-04-28 20:58:52,590 WARN L205 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 228 DAG size of output: 188 [2021-04-28 20:58:53,303 WARN L205 SmtUtils]: Spent 711.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-04-28 20:58:56,509 WARN L205 SmtUtils]: Spent 3.20 s on a formula simplification. DAG size of input: 312 DAG size of output: 268 [2021-04-28 20:58:58,022 WARN L205 SmtUtils]: Spent 1.51 s on a formula simplification that was a NOOP. DAG size: 265 [2021-04-28 20:59:00,641 WARN L205 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 229 DAG size of output: 188 [2021-04-28 20:59:01,411 WARN L205 SmtUtils]: Spent 768.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-04-28 20:59:05,244 WARN L205 SmtUtils]: Spent 3.83 s on a formula simplification. DAG size of input: 313 DAG size of output: 269 [2021-04-28 20:59:07,079 WARN L205 SmtUtils]: Spent 1.83 s on a formula simplification that was a NOOP. DAG size: 266 [2021-04-28 20:59:09,843 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2021-04-28 20:59:10,100 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2021-04-28 20:59:10,412 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2021-04-28 20:59:10,731 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2021-04-28 20:59:11,041 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-04-28 20:59:11,352 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-04-28 20:59:11,629 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2021-04-28 20:59:11,895 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2021-04-28 20:59:12,178 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2021-04-28 20:59:12,454 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2021-04-28 20:59:15,852 WARN L205 SmtUtils]: Spent 3.26 s on a formula simplification. DAG size of input: 228 DAG size of output: 187 [2021-04-28 20:59:16,826 WARN L205 SmtUtils]: Spent 971.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2021-04-28 20:59:21,047 WARN L205 SmtUtils]: Spent 4.22 s on a formula simplification. DAG size of input: 310 DAG size of output: 266 [2021-04-28 20:59:22,831 WARN L205 SmtUtils]: Spent 1.78 s on a formula simplification that was a NOOP. DAG size: 263 [2021-04-28 20:59:24,900 WARN L205 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 229 DAG size of output: 189 [2021-04-28 20:59:26,862 WARN L205 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2021-04-28 20:59:31,194 WARN L205 SmtUtils]: Spent 4.33 s on a formula simplification. DAG size of input: 313 DAG size of output: 269 [2021-04-28 20:59:33,106 WARN L205 SmtUtils]: Spent 1.91 s on a formula simplification that was a NOOP. DAG size: 266 [2021-04-28 20:59:35,279 WARN L205 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 228 DAG size of output: 188 [2021-04-28 20:59:36,276 WARN L205 SmtUtils]: Spent 993.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-04-28 20:59:40,522 WARN L205 SmtUtils]: Spent 4.24 s on a formula simplification. DAG size of input: 312 DAG size of output: 268 [2021-04-28 20:59:42,504 WARN L205 SmtUtils]: Spent 1.98 s on a formula simplification that was a NOOP. DAG size: 265 [2021-04-28 20:59:43,884 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-04-28 20:59:43,990 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-28 20:59:44,225 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-04-28 20:59:44,339 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-28 20:59:44,615 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2021-04-28 20:59:44,748 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 20:59:45,057 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2021-04-28 20:59:45,197 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 20:59:45,399 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2021-04-28 20:59:45,682 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2021-04-28 20:59:46,015 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2021-04-28 20:59:46,130 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 20:59:46,372 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2021-04-28 20:59:46,482 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 20:59:46,612 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-04-28 20:59:46,747 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-04-28 20:59:46,875 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-04-28 20:59:47,002 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-04-28 20:59:48,403 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-04-28 20:59:48,518 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-04-28 20:59:48,646 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-04-28 20:59:48,777 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-04-28 20:59:50,453 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2021-04-28 20:59:50,575 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 20:59:50,859 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2021-04-28 20:59:50,990 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 20:59:51,180 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2021-04-28 20:59:51,457 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2021-04-28 20:59:51,805 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2021-04-28 20:59:51,920 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 20:59:52,199 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2021-04-28 20:59:52,308 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 20:59:52,625 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2021-04-28 20:59:52,764 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 20:59:53,051 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2021-04-28 20:59:53,172 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 20:59:53,492 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2021-04-28 20:59:53,638 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 20:59:53,933 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2021-04-28 20:59:54,065 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 20:59:54,305 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-04-28 20:59:54,416 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-28 20:59:54,661 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-04-28 20:59:54,765 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-28 20:59:55,079 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:59:55,356 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:59:55,622 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:59:55,888 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:59:56,115 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 20:59:56,357 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 20:59:56,601 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 20:59:56,837 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 20:59:56,987 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 20:59:57,139 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 20:59:57,292 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 20:59:57,444 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 20:59:57,722 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:59:58,023 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:59:58,325 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:59:58,624 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:59:59,453 WARN L205 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 110 [2021-04-28 20:59:59,826 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 21:00:00,642 WARN L205 SmtUtils]: Spent 814.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 110 [2021-04-28 21:00:01,028 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 21:00:01,221 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 21:00:01,408 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 21:00:01,601 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 21:00:01,811 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 21:00:02,077 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 21:00:02,344 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 21:00:02,622 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 21:00:02,888 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 21:00:03,131 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 21:00:03,378 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 21:00:03,638 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 21:00:03,882 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 21:00:04,083 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 21:00:04,278 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 21:00:04,494 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 21:00:04,716 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 21:00:04,924 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 21:00:05,127 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 21:00:05,320 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 21:00:05,509 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 21:00:05,808 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 21:00:06,114 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 21:00:06,422 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 21:00:06,703 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 21:00:07,004 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 21:00:07,283 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 21:00:07,578 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 21:00:07,869 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 21:00:08,046 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 21:00:08,216 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 21:00:08,385 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 21:00:08,555 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 21:00:08,753 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 21:00:08,964 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 21:00:09,162 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 21:00:09,355 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 21:00:09,621 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 21:00:09,899 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 21:00:10,151 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 21:00:10,414 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 21:00:10,649 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 21:00:10,875 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 21:00:11,115 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 21:00:11,362 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 21:00:11,614 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 21:00:11,870 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 21:00:12,137 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 21:00:12,418 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 21:00:13,261 WARN L205 SmtUtils]: Spent 839.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2021-04-28 21:00:13,643 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-04-28 21:00:14,449 WARN L205 SmtUtils]: Spent 803.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2021-04-28 21:00:14,847 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-04-28 21:00:15,021 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:00:15,164 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:00:15,326 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:00:15,472 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:00:15,741 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 21:00:16,042 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 21:00:16,340 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 21:00:16,626 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 21:00:16,921 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 21:00:17,211 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 21:00:17,501 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 21:00:17,805 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 21:00:18,030 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 21:00:18,265 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 21:00:18,479 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 21:00:18,705 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 21:00:19,009 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 21:00:19,313 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 21:00:19,617 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 21:00:19,915 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 21:00:19,959 INFO L158 LiptonReduction]: Checked pairs total: 9587 [2021-04-28 21:00:19,959 INFO L160 LiptonReduction]: Total number of compositions: 198 [2021-04-28 21:00:19,964 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 131698 [2021-04-28 21:00:20,000 INFO L129 PetriNetUnfolder]: 2/71 cut-off events. [2021-04-28 21:00:20,000 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 21:00:20,000 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:00:20,001 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2021-04-28 21:00:20,001 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:00:20,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:00:20,009 INFO L82 PathProgramCache]: Analyzing trace with hash 988877312, now seen corresponding path program 1 times [2021-04-28 21:00:20,020 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:00:20,020 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647069369] [2021-04-28 21:00:20,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:00:20,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:00:20,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:00:20,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:00:20,379 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 21:00:20,380 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647069369] [2021-04-28 21:00:20,380 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:00:20,381 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 21:00:20,381 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309933391] [2021-04-28 21:00:20,390 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 21:00:20,390 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:00:20,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 21:00:20,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 21:00:20,406 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 212 out of 282 [2021-04-28 21:00:20,411 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 109 transitions, 224 flow. Second operand has 3 states, 3 states have (on average 212.66666666666666) internal successors, (638), 3 states have internal predecessors, (638), 0 states have call successors, (0), 0 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 21:00:20,411 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:00:20,411 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 212 of 282 [2021-04-28 21:00:20,413 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:00:20,978 INFO L129 PetriNetUnfolder]: 212/553 cut-off events. [2021-04-28 21:00:20,978 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 21:00:20,981 INFO L84 FinitePrefix]: Finished finitePrefix Result has 955 conditions, 553 events. 212/553 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 3882 event pairs, 48 based on Foata normal form. 10/206 useless extension candidates. Maximal degree in co-relation 888. Up to 333 conditions per place. [2021-04-28 21:00:20,984 INFO L132 encePairwiseOnDemand]: 262/282 looper letters, 7 selfloop transitions, 4 changer transitions 85/121 dead transitions. [2021-04-28 21:00:20,984 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 121 transitions, 350 flow [2021-04-28 21:00:20,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 21:00:20,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 21:00:21,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 689 transitions. [2021-04-28 21:00:21,007 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8144208037825059 [2021-04-28 21:00:21,008 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 689 transitions. [2021-04-28 21:00:21,008 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 689 transitions. [2021-04-28 21:00:21,012 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:00:21,015 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 689 transitions. [2021-04-28 21:00:21,021 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 229.66666666666666) internal successors, (689), 3 states have internal predecessors, (689), 0 states have call successors, (0), 0 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 21:00:21,039 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 282.0) internal successors, (1128), 4 states have internal predecessors, (1128), 0 states have call successors, (0), 0 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 21:00:21,041 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 282.0) internal successors, (1128), 4 states have internal predecessors, (1128), 0 states have call successors, (0), 0 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 21:00:21,044 INFO L185 Difference]: Start difference. First operand has 114 places, 109 transitions, 224 flow. Second operand 3 states and 689 transitions. [2021-04-28 21:00:21,045 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 121 transitions, 350 flow [2021-04-28 21:00:21,052 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 121 transitions, 348 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 21:00:21,058 INFO L241 Difference]: Finished difference. Result has 111 places, 33 transitions, 78 flow [2021-04-28 21:00:21,061 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=282, PETRI_DIFFERENCE_MINUEND_FLOW=212, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=78, PETRI_PLACES=111, PETRI_TRANSITIONS=33} [2021-04-28 21:00:21,062 INFO L343 CegarLoopForPetriNet]: 114 programPoint places, -3 predicate places. [2021-04-28 21:00:21,062 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:00:21,062 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 111 places, 33 transitions, 78 flow [2021-04-28 21:00:21,064 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 111 places, 33 transitions, 78 flow [2021-04-28 21:00:21,065 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 33 transitions, 78 flow [2021-04-28 21:00:21,070 INFO L129 PetriNetUnfolder]: 0/33 cut-off events. [2021-04-28 21:00:21,071 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 21:00:21,071 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43 conditions, 33 events. 0/33 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 110 event pairs, 0 based on Foata normal form. 0/17 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2021-04-28 21:00:21,072 INFO L146 LiptonReduction]: Number of co-enabled transitions 576 [2021-04-28 21:00:21,448 INFO L158 LiptonReduction]: Checked pairs total: 498 [2021-04-28 21:00:21,449 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:00:21,449 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 387 [2021-04-28 21:00:21,450 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 33 transitions, 78 flow [2021-04-28 21:00:21,451 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 212.66666666666666) internal successors, (638), 3 states have internal predecessors, (638), 0 states have call successors, (0), 0 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 21:00:21,451 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:00:21,451 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:00:21,452 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 21:00:21,452 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:00:21,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:00:21,452 INFO L82 PathProgramCache]: Analyzing trace with hash 1123424408, now seen corresponding path program 1 times [2021-04-28 21:00:21,453 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:00:21,453 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113596236] [2021-04-28 21:00:21,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:00:21,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:00:21,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:00:21,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:00:21,627 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 21:00:21,628 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113596236] [2021-04-28 21:00:21,628 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:00:21,628 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 21:00:21,628 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517691244] [2021-04-28 21:00:21,629 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 21:00:21,630 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:00:21,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 21:00:21,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 21:00:21,633 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 199 out of 282 [2021-04-28 21:00:21,634 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 33 transitions, 78 flow. Second operand has 3 states, 3 states have (on average 199.66666666666666) internal successors, (599), 3 states have internal predecessors, (599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:00:21,634 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:00:21,634 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 199 of 282 [2021-04-28 21:00:21,635 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:00:21,681 INFO L129 PetriNetUnfolder]: 0/33 cut-off events. [2021-04-28 21:00:21,681 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 21:00:21,681 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47 conditions, 33 events. 0/33 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 114 event pairs, 0 based on Foata normal form. 1/18 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2021-04-28 21:00:21,682 INFO L132 encePairwiseOnDemand]: 279/282 looper letters, 1 selfloop transitions, 2 changer transitions 12/33 dead transitions. [2021-04-28 21:00:21,682 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 33 transitions, 84 flow [2021-04-28 21:00:21,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 21:00:21,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 21:00:21,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 601 transitions. [2021-04-28 21:00:21,690 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.710401891252955 [2021-04-28 21:00:21,690 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 601 transitions. [2021-04-28 21:00:21,691 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 601 transitions. [2021-04-28 21:00:21,691 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:00:21,691 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 601 transitions. [2021-04-28 21:00:21,697 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 200.33333333333334) internal successors, (601), 3 states have internal predecessors, (601), 0 states have call successors, (0), 0 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 21:00:21,703 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 282.0) internal successors, (1128), 4 states have internal predecessors, (1128), 0 states have call successors, (0), 0 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 21:00:21,704 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 282.0) internal successors, (1128), 4 states have internal predecessors, (1128), 0 states have call successors, (0), 0 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 21:00:21,705 INFO L185 Difference]: Start difference. First operand has 40 places, 33 transitions, 78 flow. Second operand 3 states and 601 transitions. [2021-04-28 21:00:21,705 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 33 transitions, 84 flow [2021-04-28 21:00:21,705 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 33 transitions, 76 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 21:00:21,706 INFO L241 Difference]: Finished difference. Result has 41 places, 21 transitions, 54 flow [2021-04-28 21:00:21,707 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=282, PETRI_DIFFERENCE_MINUEND_FLOW=70, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=54, PETRI_PLACES=41, PETRI_TRANSITIONS=21} [2021-04-28 21:00:21,707 INFO L343 CegarLoopForPetriNet]: 114 programPoint places, -73 predicate places. [2021-04-28 21:00:21,709 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:00:21,709 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 21 transitions, 54 flow [2021-04-28 21:00:21,710 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 21 transitions, 54 flow [2021-04-28 21:00:21,710 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 29 places, 21 transitions, 54 flow [2021-04-28 21:00:21,717 INFO L129 PetriNetUnfolder]: 0/21 cut-off events. [2021-04-28 21:00:21,717 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 21:00:21,718 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32 conditions, 21 events. 0/21 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 37 event pairs, 0 based on Foata normal form. 0/16 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-04-28 21:00:21,718 INFO L146 LiptonReduction]: Number of co-enabled transitions 206 [2021-04-28 21:00:22,741 INFO L158 LiptonReduction]: Checked pairs total: 502 [2021-04-28 21:00:22,741 INFO L160 LiptonReduction]: Total number of compositions: 1 [2021-04-28 21:00:22,741 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1034 [2021-04-28 21:00:22,742 INFO L480 AbstractCegarLoop]: Abstraction has has 29 places, 21 transitions, 54 flow [2021-04-28 21:00:22,743 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 199.66666666666666) internal successors, (599), 3 states have internal predecessors, (599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:00:22,743 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:00:22,743 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:00:22,743 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 21:00:22,743 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:00:22,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:00:22,744 INFO L82 PathProgramCache]: Analyzing trace with hash 1505364872, now seen corresponding path program 1 times [2021-04-28 21:00:22,744 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:00:22,744 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535769296] [2021-04-28 21:00:22,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:00:22,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:00:22,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:00:22,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 21:00:22,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:00:22,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 21:00:22,950 INFO L142 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size [2021-04-28 21:00:22,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-28 21:00:22,978 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 21:00:22,979 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535769296] [2021-04-28 21:00:22,979 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:00:22,979 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 21:00:22,979 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19162283] [2021-04-28 21:00:22,980 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 21:00:22,980 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:00:22,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 21:00:22,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 21:00:22,983 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 171 out of 283 [2021-04-28 21:00:22,985 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 21 transitions, 54 flow. Second operand has 5 states, 5 states have (on average 171.8) internal successors, (859), 5 states have internal predecessors, (859), 0 states have call successors, (0), 0 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 21:00:22,985 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:00:22,985 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 283 [2021-04-28 21:00:22,985 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:00:23,204 INFO L129 PetriNetUnfolder]: 26/100 cut-off events. [2021-04-28 21:00:23,204 INFO L130 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2021-04-28 21:00:23,205 INFO L84 FinitePrefix]: Finished finitePrefix Result has 179 conditions, 100 events. 26/100 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 459 event pairs, 1 based on Foata normal form. 2/76 useless extension candidates. Maximal degree in co-relation 169. Up to 34 conditions per place. [2021-04-28 21:00:23,206 INFO L132 encePairwiseOnDemand]: 276/283 looper letters, 10 selfloop transitions, 7 changer transitions 3/33 dead transitions. [2021-04-28 21:00:23,206 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 33 transitions, 124 flow [2021-04-28 21:00:23,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 21:00:23,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 21:00:23,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 877 transitions. [2021-04-28 21:00:23,213 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6197879858657244 [2021-04-28 21:00:23,213 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 877 transitions. [2021-04-28 21:00:23,214 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 877 transitions. [2021-04-28 21:00:23,214 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:00:23,214 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 877 transitions. [2021-04-28 21:00:23,217 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 175.4) internal successors, (877), 5 states have internal predecessors, (877), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:00:23,221 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 283.0) internal successors, (1698), 6 states have internal predecessors, (1698), 0 states have call successors, (0), 0 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 21:00:23,223 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 283.0) internal successors, (1698), 6 states have internal predecessors, (1698), 0 states have call successors, (0), 0 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 21:00:23,223 INFO L185 Difference]: Start difference. First operand has 29 places, 21 transitions, 54 flow. Second operand 5 states and 877 transitions. [2021-04-28 21:00:23,223 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 33 transitions, 124 flow [2021-04-28 21:00:23,224 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 33 transitions, 116 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 21:00:23,225 INFO L241 Difference]: Finished difference. Result has 34 places, 26 transitions, 97 flow [2021-04-28 21:00:23,225 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=283, PETRI_DIFFERENCE_MINUEND_FLOW=50, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=97, PETRI_PLACES=34, PETRI_TRANSITIONS=26} [2021-04-28 21:00:23,225 INFO L343 CegarLoopForPetriNet]: 114 programPoint places, -80 predicate places. [2021-04-28 21:00:23,226 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:00:23,226 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 34 places, 26 transitions, 97 flow [2021-04-28 21:00:23,226 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 34 places, 26 transitions, 97 flow [2021-04-28 21:00:23,227 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 33 places, 26 transitions, 97 flow [2021-04-28 21:00:23,235 INFO L129 PetriNetUnfolder]: 4/40 cut-off events. [2021-04-28 21:00:23,235 INFO L130 PetriNetUnfolder]: For 16/18 co-relation queries the response was YES. [2021-04-28 21:00:23,235 INFO L84 FinitePrefix]: Finished finitePrefix Result has 82 conditions, 40 events. 4/40 cut-off events. For 16/18 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 109 event pairs, 1 based on Foata normal form. 1/30 useless extension candidates. Maximal degree in co-relation 71. Up to 9 conditions per place. [2021-04-28 21:00:23,236 INFO L146 LiptonReduction]: Number of co-enabled transitions 204 [2021-04-28 21:00:23,859 INFO L158 LiptonReduction]: Checked pairs total: 120 [2021-04-28 21:00:23,859 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:00:23,859 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 633 [2021-04-28 21:00:23,861 INFO L480 AbstractCegarLoop]: Abstraction has has 33 places, 26 transitions, 97 flow [2021-04-28 21:00:23,862 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 171.8) internal successors, (859), 5 states have internal predecessors, (859), 0 states have call successors, (0), 0 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 21:00:23,862 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:00:23,862 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:00:23,862 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 21:00:23,863 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:00:23,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:00:23,863 INFO L82 PathProgramCache]: Analyzing trace with hash 1554689126, now seen corresponding path program 1 times [2021-04-28 21:00:23,863 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:00:23,863 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767691525] [2021-04-28 21:00:23,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:00:23,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:00:23,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:00:23,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:00:23,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:00:23,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 21:00:24,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:00:24,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 21:00:24,014 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 21:00:24,014 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767691525] [2021-04-28 21:00:24,014 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:00:24,014 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 21:00:24,014 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137409083] [2021-04-28 21:00:24,015 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 21:00:24,015 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:00:24,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 21:00:24,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 21:00:24,017 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 191 out of 283 [2021-04-28 21:00:24,019 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 26 transitions, 97 flow. Second operand has 4 states, 4 states have (on average 191.75) internal successors, (767), 4 states have internal predecessors, (767), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:00:24,019 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:00:24,019 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 191 of 283 [2021-04-28 21:00:24,019 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:00:24,188 INFO L129 PetriNetUnfolder]: 60/181 cut-off events. [2021-04-28 21:00:24,189 INFO L130 PetriNetUnfolder]: For 66/66 co-relation queries the response was YES. [2021-04-28 21:00:24,189 INFO L84 FinitePrefix]: Finished finitePrefix Result has 417 conditions, 181 events. 60/181 cut-off events. For 66/66 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 995 event pairs, 18 based on Foata normal form. 22/131 useless extension candidates. Maximal degree in co-relation 404. Up to 109 conditions per place. [2021-04-28 21:00:24,191 INFO L132 encePairwiseOnDemand]: 274/283 looper letters, 8 selfloop transitions, 11 changer transitions 9/45 dead transitions. [2021-04-28 21:00:24,191 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 45 transitions, 191 flow [2021-04-28 21:00:24,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 21:00:24,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 21:00:24,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 985 transitions. [2021-04-28 21:00:24,198 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.696113074204947 [2021-04-28 21:00:24,198 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 985 transitions. [2021-04-28 21:00:24,198 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 985 transitions. [2021-04-28 21:00:24,199 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:00:24,199 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 985 transitions. [2021-04-28 21:00:24,202 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 197.0) internal successors, (985), 5 states have internal predecessors, (985), 0 states have call successors, (0), 0 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 21:00:24,207 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 283.0) internal successors, (1698), 6 states have internal predecessors, (1698), 0 states have call successors, (0), 0 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 21:00:24,208 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 283.0) internal successors, (1698), 6 states have internal predecessors, (1698), 0 states have call successors, (0), 0 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 21:00:24,208 INFO L185 Difference]: Start difference. First operand has 33 places, 26 transitions, 97 flow. Second operand 5 states and 985 transitions. [2021-04-28 21:00:24,208 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 45 transitions, 191 flow [2021-04-28 21:00:24,212 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 45 transitions, 186 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-04-28 21:00:24,214 INFO L241 Difference]: Finished difference. Result has 39 places, 36 transitions, 173 flow [2021-04-28 21:00:24,214 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=283, PETRI_DIFFERENCE_MINUEND_FLOW=92, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=173, PETRI_PLACES=39, PETRI_TRANSITIONS=36} [2021-04-28 21:00:24,214 INFO L343 CegarLoopForPetriNet]: 114 programPoint places, -75 predicate places. [2021-04-28 21:00:24,214 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:00:24,215 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 39 places, 36 transitions, 173 flow [2021-04-28 21:00:24,215 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 39 places, 36 transitions, 173 flow [2021-04-28 21:00:24,215 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 39 places, 36 transitions, 173 flow [2021-04-28 21:00:24,245 INFO L129 PetriNetUnfolder]: 39/157 cut-off events. [2021-04-28 21:00:24,245 INFO L130 PetriNetUnfolder]: For 65/66 co-relation queries the response was YES. [2021-04-28 21:00:24,246 INFO L84 FinitePrefix]: Finished finitePrefix Result has 436 conditions, 157 events. 39/157 cut-off events. For 65/66 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 924 event pairs, 27 based on Foata normal form. 0/103 useless extension candidates. Maximal degree in co-relation 421. Up to 77 conditions per place. [2021-04-28 21:00:24,248 INFO L146 LiptonReduction]: Number of co-enabled transitions 200 [2021-04-28 21:00:24,292 INFO L158 LiptonReduction]: Checked pairs total: 78 [2021-04-28 21:00:24,292 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:00:24,292 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 78 [2021-04-28 21:00:24,294 INFO L480 AbstractCegarLoop]: Abstraction has has 39 places, 36 transitions, 173 flow [2021-04-28 21:00:24,295 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 191.75) internal successors, (767), 4 states have internal predecessors, (767), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:00:24,295 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:00:24,295 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:00:24,295 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 21:00:24,295 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:00:24,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:00:24,296 INFO L82 PathProgramCache]: Analyzing trace with hash -1572609818, now seen corresponding path program 1 times [2021-04-28 21:00:24,296 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:00:24,296 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096869398] [2021-04-28 21:00:24,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:00:24,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:00:24,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:00:24,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:00:24,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:00:24,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:00:24,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:00:24,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 21:00:24,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:00:24,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 21:00:24,429 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 21:00:24,429 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096869398] [2021-04-28 21:00:24,430 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:00:24,430 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 21:00:24,430 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464462500] [2021-04-28 21:00:24,430 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 21:00:24,430 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:00:24,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 21:00:24,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 21:00:24,433 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 191 out of 283 [2021-04-28 21:00:24,435 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 36 transitions, 173 flow. Second operand has 5 states, 5 states have (on average 191.8) internal successors, (959), 5 states have internal predecessors, (959), 0 states have call successors, (0), 0 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 21:00:24,435 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:00:24,435 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 191 of 283 [2021-04-28 21:00:24,436 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:00:24,675 INFO L129 PetriNetUnfolder]: 21/124 cut-off events. [2021-04-28 21:00:24,675 INFO L130 PetriNetUnfolder]: For 109/148 co-relation queries the response was YES. [2021-04-28 21:00:24,676 INFO L84 FinitePrefix]: Finished finitePrefix Result has 427 conditions, 124 events. 21/124 cut-off events. For 109/148 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 635 event pairs, 0 based on Foata normal form. 36/111 useless extension candidates. Maximal degree in co-relation 410. Up to 62 conditions per place. [2021-04-28 21:00:24,677 INFO L132 encePairwiseOnDemand]: 274/283 looper letters, 2 selfloop transitions, 18 changer transitions 7/43 dead transitions. [2021-04-28 21:00:24,677 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 43 transitions, 259 flow [2021-04-28 21:00:24,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 21:00:24,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 21:00:24,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1365 transitions. [2021-04-28 21:00:24,685 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6890459363957597 [2021-04-28 21:00:24,686 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1365 transitions. [2021-04-28 21:00:24,686 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1365 transitions. [2021-04-28 21:00:24,687 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:00:24,687 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1365 transitions. [2021-04-28 21:00:24,691 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 195.0) internal successors, (1365), 7 states have internal predecessors, (1365), 0 states have call successors, (0), 0 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 21:00:24,697 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 283.0) internal successors, (2264), 8 states have internal predecessors, (2264), 0 states have call successors, (0), 0 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 21:00:24,698 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 283.0) internal successors, (2264), 8 states have internal predecessors, (2264), 0 states have call successors, (0), 0 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 21:00:24,698 INFO L185 Difference]: Start difference. First operand has 39 places, 36 transitions, 173 flow. Second operand 7 states and 1365 transitions. [2021-04-28 21:00:24,698 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 43 transitions, 259 flow [2021-04-28 21:00:24,701 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 43 transitions, 252 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-04-28 21:00:24,702 INFO L241 Difference]: Finished difference. Result has 47 places, 36 transitions, 227 flow [2021-04-28 21:00:24,703 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=283, PETRI_DIFFERENCE_MINUEND_FLOW=166, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=227, PETRI_PLACES=47, PETRI_TRANSITIONS=36} [2021-04-28 21:00:24,703 INFO L343 CegarLoopForPetriNet]: 114 programPoint places, -67 predicate places. [2021-04-28 21:00:24,703 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:00:24,703 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 47 places, 36 transitions, 227 flow [2021-04-28 21:00:24,704 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 47 places, 36 transitions, 227 flow [2021-04-28 21:00:24,704 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 45 places, 36 transitions, 227 flow [2021-04-28 21:00:24,721 INFO L129 PetriNetUnfolder]: 12/93 cut-off events. [2021-04-28 21:00:24,721 INFO L130 PetriNetUnfolder]: For 113/116 co-relation queries the response was YES. [2021-04-28 21:00:24,722 INFO L84 FinitePrefix]: Finished finitePrefix Result has 336 conditions, 93 events. 12/93 cut-off events. For 113/116 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 460 event pairs, 0 based on Foata normal form. 0/68 useless extension candidates. Maximal degree in co-relation 317. Up to 44 conditions per place. [2021-04-28 21:00:24,723 INFO L146 LiptonReduction]: Number of co-enabled transitions 126 [2021-04-28 21:00:24,726 INFO L158 LiptonReduction]: Checked pairs total: 63 [2021-04-28 21:00:24,726 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:00:24,726 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 23 [2021-04-28 21:00:24,727 INFO L480 AbstractCegarLoop]: Abstraction has has 45 places, 36 transitions, 227 flow [2021-04-28 21:00:24,728 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 191.8) internal successors, (959), 5 states have internal predecessors, (959), 0 states have call successors, (0), 0 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 21:00:24,728 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:00:24,728 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:00:24,728 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 21:00:24,729 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:00:24,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:00:24,729 INFO L82 PathProgramCache]: Analyzing trace with hash 1899042886, now seen corresponding path program 1 times [2021-04-28 21:00:24,729 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:00:24,729 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284187807] [2021-04-28 21:00:24,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:00:24,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:00:24,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:00:24,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 21:00:24,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:00:24,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:00:24,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:00:24,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:00:24,877 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 21:00:24,878 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284187807] [2021-04-28 21:00:24,878 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:00:24,878 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 21:00:24,878 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994611396] [2021-04-28 21:00:24,878 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 21:00:24,879 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:00:24,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 21:00:24,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 21:00:24,881 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 283 [2021-04-28 21:00:24,882 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 36 transitions, 227 flow. Second operand has 4 states, 4 states have (on average 181.0) internal successors, (724), 4 states have internal predecessors, (724), 0 states have call successors, (0), 0 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 21:00:24,883 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:00:24,883 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 283 [2021-04-28 21:00:24,883 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:00:24,964 INFO L129 PetriNetUnfolder]: 23/174 cut-off events. [2021-04-28 21:00:24,965 INFO L130 PetriNetUnfolder]: For 228/243 co-relation queries the response was YES. [2021-04-28 21:00:24,965 INFO L84 FinitePrefix]: Finished finitePrefix Result has 667 conditions, 174 events. 23/174 cut-off events. For 228/243 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 1128 event pairs, 0 based on Foata normal form. 9/127 useless extension candidates. Maximal degree in co-relation 646. Up to 86 conditions per place. [2021-04-28 21:00:24,966 INFO L132 encePairwiseOnDemand]: 280/283 looper letters, 3 selfloop transitions, 1 changer transitions 3/37 dead transitions. [2021-04-28 21:00:24,966 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 37 transitions, 239 flow [2021-04-28 21:00:24,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 21:00:24,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 21:00:24,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 726 transitions. [2021-04-28 21:00:24,973 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6413427561837456 [2021-04-28 21:00:24,973 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 726 transitions. [2021-04-28 21:00:24,973 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 726 transitions. [2021-04-28 21:00:24,974 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:00:24,974 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 726 transitions. [2021-04-28 21:00:24,977 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 181.5) internal successors, (726), 4 states have internal predecessors, (726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:00:24,979 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 283.0) internal successors, (1415), 5 states have internal predecessors, (1415), 0 states have call successors, (0), 0 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 21:00:24,980 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 283.0) internal successors, (1415), 5 states have internal predecessors, (1415), 0 states have call successors, (0), 0 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 21:00:24,980 INFO L185 Difference]: Start difference. First operand has 45 places, 36 transitions, 227 flow. Second operand 4 states and 726 transitions. [2021-04-28 21:00:24,981 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 37 transitions, 239 flow [2021-04-28 21:00:24,985 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 37 transitions, 186 flow, removed 12 selfloop flow, removed 6 redundant places. [2021-04-28 21:00:24,987 INFO L241 Difference]: Finished difference. Result has 44 places, 34 transitions, 171 flow [2021-04-28 21:00:24,987 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=283, PETRI_DIFFERENCE_MINUEND_FLOW=174, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=171, PETRI_PLACES=44, PETRI_TRANSITIONS=34} [2021-04-28 21:00:24,987 INFO L343 CegarLoopForPetriNet]: 114 programPoint places, -70 predicate places. [2021-04-28 21:00:24,987 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:00:24,988 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 44 places, 34 transitions, 171 flow [2021-04-28 21:00:24,988 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 44 places, 34 transitions, 171 flow [2021-04-28 21:00:24,988 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 43 places, 34 transitions, 171 flow [2021-04-28 21:00:25,011 INFO L129 PetriNetUnfolder]: 11/99 cut-off events. [2021-04-28 21:00:25,011 INFO L130 PetriNetUnfolder]: For 45/45 co-relation queries the response was YES. [2021-04-28 21:00:25,015 INFO L84 FinitePrefix]: Finished finitePrefix Result has 276 conditions, 99 events. 11/99 cut-off events. For 45/45 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 473 event pairs, 0 based on Foata normal form. 0/71 useless extension candidates. Maximal degree in co-relation 259. Up to 43 conditions per place. [2021-04-28 21:00:25,016 INFO L146 LiptonReduction]: Number of co-enabled transitions 78 [2021-04-28 21:00:25,234 INFO L158 LiptonReduction]: Checked pairs total: 36 [2021-04-28 21:00:25,234 INFO L160 LiptonReduction]: Total number of compositions: 2 [2021-04-28 21:00:25,234 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 247 [2021-04-28 21:00:25,237 INFO L480 AbstractCegarLoop]: Abstraction has has 43 places, 34 transitions, 177 flow [2021-04-28 21:00:25,237 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 181.0) internal successors, (724), 4 states have internal predecessors, (724), 0 states have call successors, (0), 0 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 21:00:25,237 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:00:25,238 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:00:25,238 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 21:00:25,238 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:00:25,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:00:25,238 INFO L82 PathProgramCache]: Analyzing trace with hash -205628894, now seen corresponding path program 1 times [2021-04-28 21:00:25,238 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:00:25,239 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209810357] [2021-04-28 21:00:25,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:00:25,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 21:00:25,347 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 21:00:25,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 21:00:25,434 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 21:00:25,482 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-28 21:00:25,482 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-28 21:00:25,482 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 21:00:25,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.04 09:00:25 BasicIcfg [2021-04-28 21:00:25,555 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-28 21:00:25,556 INFO L168 Benchmark]: Toolchain (without parser) took 140663.79 ms. Allocated memory was 304.1 MB in the beginning and 559.9 MB in the end (delta: 255.9 MB). Free memory was 277.7 MB in the beginning and 484.2 MB in the end (delta: -206.5 MB). Peak memory consumption was 51.6 MB. Max. memory is 16.0 GB. [2021-04-28 21:00:25,556 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 304.1 MB. Free memory is still 275.2 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-04-28 21:00:25,556 INFO L168 Benchmark]: CACSL2BoogieTranslator took 716.02 ms. Allocated memory is still 304.1 MB. Free memory was 274.5 MB in the beginning and 272.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 23.9 MB. Max. memory is 16.0 GB. [2021-04-28 21:00:25,557 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.03 ms. Allocated memory is still 304.1 MB. Free memory was 272.8 MB in the beginning and 269.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 21:00:25,557 INFO L168 Benchmark]: Boogie Preprocessor took 40.01 ms. Allocated memory is still 304.1 MB. Free memory was 269.7 MB in the beginning and 267.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 21:00:25,557 INFO L168 Benchmark]: RCFGBuilder took 2243.93 ms. Allocated memory is still 304.1 MB. Free memory was 267.6 MB in the beginning and 240.3 MB in the end (delta: 27.3 MB). Peak memory consumption was 165.7 MB. Max. memory is 16.0 GB. [2021-04-28 21:00:25,558 INFO L168 Benchmark]: TraceAbstraction took 137513.45 ms. Allocated memory was 304.1 MB in the beginning and 559.9 MB in the end (delta: 255.9 MB). Free memory was 239.3 MB in the beginning and 484.2 MB in the end (delta: -245.0 MB). Peak memory consumption was 10.9 MB. Max. memory is 16.0 GB. [2021-04-28 21:00:25,560 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 304.1 MB. Free memory is still 275.2 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 716.02 ms. Allocated memory is still 304.1 MB. Free memory was 274.5 MB in the beginning and 272.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 23.9 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 99.03 ms. Allocated memory is still 304.1 MB. Free memory was 272.8 MB in the beginning and 269.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 40.01 ms. Allocated memory is still 304.1 MB. Free memory was 269.7 MB in the beginning and 267.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 2243.93 ms. Allocated memory is still 304.1 MB. Free memory was 267.6 MB in the beginning and 240.3 MB in the end (delta: 27.3 MB). Peak memory consumption was 165.7 MB. Max. memory is 16.0 GB. * TraceAbstraction took 137513.45 ms. Allocated memory was 304.1 MB in the beginning and 559.9 MB in the end (delta: 255.9 MB). Free memory was 239.3 MB in the beginning and 484.2 MB in the end (delta: -245.0 MB). Peak memory consumption was 10.9 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 131665.0ms, 87 PlacesBefore, 114 PlacesAfterwards, 82 TransitionsBefore, 109 TransitionsAfterwards, 1046 CoEnabledTransitionPairs, 8 FixpointIterations, 124 TrivialSequentialCompositions, 73 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 198 TotalNumberOfCompositions, 9587 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2643, positive: 2447, positive conditional: 2447, positive unconditional: 0, negative: 196, negative conditional: 196, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1241, positive: 1193, positive conditional: 0, positive unconditional: 1193, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1241, positive: 1193, positive conditional: 0, positive unconditional: 1193, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1241, positive: 1178, positive conditional: 0, positive unconditional: 1178, negative: 63, negative conditional: 0, negative unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 63, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1692, positive: 126, positive conditional: 0, positive unconditional: 126, negative: 1567, negative conditional: 0, negative unconditional: 1567, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2643, positive: 1254, positive conditional: 1254, positive unconditional: 0, negative: 148, negative conditional: 148, negative unconditional: 0, unknown: 1241, unknown conditional: 1241, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1241, Positive cache size: 1193, Positive conditional cache size: 1193, Positive unconditional cache size: 0, Negative cache size: 48, Negative conditional cache size: 48, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 384.5ms, 111 PlacesBefore, 40 PlacesAfterwards, 33 TransitionsBefore, 33 TransitionsAfterwards, 576 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 498 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 125, positive: 101, positive conditional: 101, positive unconditional: 0, negative: 24, negative conditional: 24, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 69, positive: 55, positive conditional: 7, positive unconditional: 48, negative: 14, negative conditional: 5, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 69, positive: 55, positive conditional: 7, positive unconditional: 48, negative: 14, negative conditional: 5, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 69, positive: 53, positive conditional: 0, positive unconditional: 53, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 16, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 14, negative conditional: 5, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 368, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 358, negative conditional: 184, negative unconditional: 174, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 125, positive: 46, positive conditional: 46, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 69, unknown conditional: 69, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1310, Positive cache size: 1248, Positive conditional cache size: 1248, Positive unconditional cache size: 0, Negative cache size: 62, Negative conditional cache size: 62, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1031.4ms, 41 PlacesBefore, 29 PlacesAfterwards, 21 TransitionsBefore, 21 TransitionsAfterwards, 206 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 502 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 184, positive: 141, positive conditional: 141, positive unconditional: 0, negative: 43, negative conditional: 43, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 64, positive: 47, positive conditional: 13, positive unconditional: 34, 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: 64, positive: 47, positive conditional: 13, positive unconditional: 34, 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: 64, positive: 42, positive conditional: 0, positive unconditional: 42, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 22, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 17, negative conditional: 2, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 661, positive: 32, positive conditional: 0, positive unconditional: 32, negative: 629, negative conditional: 52, negative unconditional: 577, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 184, positive: 94, positive conditional: 94, positive unconditional: 0, negative: 26, negative conditional: 26, negative unconditional: 0, unknown: 64, unknown conditional: 64, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1374, Positive cache size: 1295, Positive conditional cache size: 1295, 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: 633.2ms, 34 PlacesBefore, 33 PlacesAfterwards, 26 TransitionsBefore, 26 TransitionsAfterwards, 204 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 120 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 72, positive: 63, positive conditional: 63, positive unconditional: 0, negative: 9, negative conditional: 9, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24, positive: 21, positive conditional: 15, positive unconditional: 6, 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: 24, positive: 21, positive conditional: 15, positive unconditional: 6, 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: 24, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 15, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 618, positive: 570, positive conditional: 570, positive unconditional: 0, negative: 49, negative conditional: 0, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 72, positive: 42, positive conditional: 42, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 24, unknown conditional: 24, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1398, Positive cache size: 1316, Positive conditional cache size: 1316, Positive unconditional cache size: 0, Negative cache size: 82, Negative conditional cache size: 82, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 77.4ms, 39 PlacesBefore, 39 PlacesAfterwards, 36 TransitionsBefore, 36 TransitionsAfterwards, 200 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 78 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 33, positive: 27, positive conditional: 27, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7, positive: 6, positive conditional: 5, positive unconditional: 1, 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: 7, positive: 6, positive conditional: 5, positive unconditional: 1, 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: 7, positive: 6, positive conditional: 0, positive unconditional: 6, 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: 41, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 33, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 5, negative conditional: 5, negative unconditional: 0, unknown: 7, unknown conditional: 7, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1405, Positive cache size: 1322, Positive conditional cache size: 1322, Positive unconditional cache size: 0, Negative cache size: 83, Negative conditional cache size: 83, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 22.3ms, 47 PlacesBefore, 45 PlacesAfterwards, 36 TransitionsBefore, 36 TransitionsAfterwards, 126 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 63 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 39, positive: 33, positive conditional: 33, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 39, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 7, unknown conditional: 7, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1412, Positive cache size: 1329, Positive conditional cache size: 1329, Positive unconditional cache size: 0, Negative cache size: 83, Negative conditional cache size: 83, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 246.4ms, 44 PlacesBefore, 43 PlacesAfterwards, 34 TransitionsBefore, 34 TransitionsAfterwards, 78 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 36 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 33, positive: 32, positive conditional: 32, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 21, positive: 20, positive conditional: 18, positive unconditional: 2, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 21, positive: 20, positive conditional: 18, positive unconditional: 2, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 21, positive: 20, positive conditional: 0, positive unconditional: 20, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 33, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 33, negative conditional: 33, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 33, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 21, unknown conditional: 21, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1433, Positive cache size: 1349, Positive conditional cache size: 1349, Positive unconditional cache size: 0, Negative cache size: 84, Negative conditional cache size: 84, 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; [L734] 0 int z = 0; [L735] 0 _Bool weak$$choice0; [L736] 0 _Bool weak$$choice2; [L802] 0 pthread_t t1099; [L803] FCALL, FORK 0 pthread_create(&t1099, ((void *)0), P0, ((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=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, z=0] [L804] 0 pthread_t t1100; [L805] FCALL, FORK 0 pthread_create(&t1100, ((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=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, z=0] [L760] 2 x$w_buff1 = x$w_buff0 [L761] 2 x$w_buff0 = 2 [L762] 2 x$w_buff1_used = x$w_buff0_used [L763] 2 x$w_buff0_used = (_Bool)1 [L18] COND FALSE 2 !(!expression) [L765] 2 x$r_buff1_thd0 = x$r_buff0_thd0 [L766] 2 x$r_buff1_thd1 = x$r_buff0_thd1 [L767] 2 x$r_buff1_thd2 = x$r_buff0_thd2 [L768] 2 x$r_buff0_thd2 = (_Bool)1 [L771] 2 y = 1 [L774] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$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=0, x$r_buff0_thd2=1, x$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$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L777] 2 __unbuffered_p1_EBX = z VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __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=0, x$r_buff0_thd2=1, x$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$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L740] 1 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __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=0, x$r_buff0_thd2=1, x$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$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L743] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __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=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$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$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L746] 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) [L746] EXPR 1 x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x [L746] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L746] 1 x = x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L747] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L747] 1 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L748] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L748] 1 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L749] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L749] 1 x$r_buff0_thd1 = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L750] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 [L750] 1 x$r_buff1_thd1 = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 [L780] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L780] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L781] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L781] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L782] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L782] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L783] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L783] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L784] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L784] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L753] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$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$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L787] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=1, __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=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$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$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L807] 0 main$tmp_guard0 = __unbuffered_cnt == 2 [L3] COND FALSE 0 !(!cond) [L811] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L811] EXPR 0 x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x [L811] 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) [L811] 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) [L812] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L812] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L813] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L813] 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 [L814] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L814] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L815] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L815] 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 [L818] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L819] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L820] 0 x$flush_delayed = weak$$choice2 [L821] 0 x$mem_tmp = x [L822] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff1) [L822] 0 x = !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff1) [L823] EXPR 0 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0)) [L823] 0 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0)) [L824] EXPR 0 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1)) [L824] 0 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1)) [L825] EXPR 0 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used)) [L825] 0 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used)) [L826] EXPR 0 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L826] 0 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L827] EXPR 0 weak$$choice2 ? x$r_buff0_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0)) [L827] 0 x$r_buff0_thd0 = weak$$choice2 ? x$r_buff0_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0)) [L828] EXPR 0 weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L828] 0 x$r_buff1_thd0 = weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L829] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0) [L830] EXPR 0 x$flush_delayed ? x$mem_tmp : x [L830] 0 x = x$flush_delayed ? x$mem_tmp : x [L831] 0 x$flush_delayed = (_Bool)0 [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, x$flush_delayed=0, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$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$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 83 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 25.1ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 137311.7ms, OverallIterations: 7, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 1564.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 131795.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 29 SDtfs, 11 SDslu, 6 SDs, 0 SdLazy, 148 SolverSat, 58 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 482.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 287.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=227occurred in iteration=5, InterpolantAutomatonStates: 27, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 35.6ms SsaConstructionTime, 463.7ms SatisfiabilityAnalysisTime, 659.5ms InterpolantComputationTime, 72 NumberOfCodeBlocks, 72 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 51 ConstructedInterpolants, 0 QuantifiedInterpolants, 213 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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...