/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/rfi009_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 23:15:50,651 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 23:15:50,656 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 23:15:50,713 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 23:15:50,714 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 23:15:50,718 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 23:15:50,721 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 23:15:50,729 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 23:15:50,733 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 23:15:50,739 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 23:15:50,741 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 23:15:50,743 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 23:15:50,743 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 23:15:50,746 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 23:15:50,748 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 23:15:50,750 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 23:15:50,754 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 23:15:50,755 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 23:15:50,763 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 23:15:50,770 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 23:15:50,772 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 23:15:50,774 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 23:15:50,776 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 23:15:50,779 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 23:15:50,789 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-28 23:15:50,801 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 23:15:50,802 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 23:15:50,803 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 23:15:50,804 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2021-04-28 23:15:50,856 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 23:15:50,856 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 23:15:50,860 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 23:15:50,860 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 23:15:50,861 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 23:15:50,861 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 23:15:50,861 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 23:15:50,861 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 23:15:50,861 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 23:15:50,862 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 23:15:50,863 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 23:15:50,863 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 23:15:50,864 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 23:15:50,864 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 23:15:50,864 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 23:15:50,864 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 23:15:50,864 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 23:15:50,865 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 23:15:50,865 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 23:15:50,865 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 23:15:50,866 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 23:15:50,866 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 23:15:50,866 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 23:15:50,866 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 23:15:50,866 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 23:15:50,867 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 23:15:50,867 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 23:15:50,867 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 23:15:50,867 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 23:15:50,867 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 23:15:50,868 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 23:15:51,279 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 23:15:51,306 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 23:15:51,309 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 23:15:51,310 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 23:15:51,311 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 23:15:51,312 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi009_tso.opt.i [2021-04-28 23:15:51,405 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b203f04fa/6593cd538ffc4e71a658b39e6af53122/FLAGc71d5a616 [2021-04-28 23:15:52,071 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 23:15:52,072 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi009_tso.opt.i [2021-04-28 23:15:52,093 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b203f04fa/6593cd538ffc4e71a658b39e6af53122/FLAGc71d5a616 [2021-04-28 23:15:52,335 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b203f04fa/6593cd538ffc4e71a658b39e6af53122 [2021-04-28 23:15:52,338 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 23:15:52,391 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 23:15:52,393 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 23:15:52,393 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 23:15:52,397 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 23:15:52,398 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 11:15:52" (1/1) ... [2021-04-28 23:15:52,399 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63057593 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:15:52, skipping insertion in model container [2021-04-28 23:15:52,399 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 11:15:52" (1/1) ... [2021-04-28 23:15:52,408 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 23:15:52,454 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 23:15:52,694 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/rfi009_tso.opt.i[991,1004] [2021-04-28 23:15:52,990 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 23:15:53,008 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 23:15:53,022 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/rfi009_tso.opt.i[991,1004] [2021-04-28 23:15:53,080 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 23:15:53,184 INFO L208 MainTranslator]: Completed translation [2021-04-28 23:15:53,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:15:53 WrapperNode [2021-04-28 23:15:53,184 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 23:15:53,186 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 23:15:53,186 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 23:15:53,186 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 23:15:53,195 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:15:53" (1/1) ... [2021-04-28 23:15:53,217 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:15:53" (1/1) ... [2021-04-28 23:15:53,255 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 23:15:53,256 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 23:15:53,256 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 23:15:53,256 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 23:15:53,266 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:15:53" (1/1) ... [2021-04-28 23:15:53,266 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:15:53" (1/1) ... [2021-04-28 23:15:53,273 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:15:53" (1/1) ... [2021-04-28 23:15:53,273 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:15:53" (1/1) ... [2021-04-28 23:15:53,287 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:15:53" (1/1) ... [2021-04-28 23:15:53,292 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:15:53" (1/1) ... [2021-04-28 23:15:53,297 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:15:53" (1/1) ... [2021-04-28 23:15:53,305 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 23:15:53,306 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 23:15:53,306 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 23:15:53,306 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 23:15:53,307 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:15:53" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 23:15:53,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 23:15:53,421 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 23:15:53,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 23:15:53,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 23:15:53,422 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 23:15:53,422 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 23:15:53,422 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 23:15:53,422 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 23:15:53,423 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-28 23:15:53,423 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-28 23:15:53,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 23:15:53,423 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 23:15:53,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 23:15:53,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 23:15:53,426 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-28 23:15:56,194 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 23:15:56,195 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 23:15:56,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 11:15:56 BoogieIcfgContainer [2021-04-28 23:15:56,197 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 23:15:56,199 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 23:15:56,199 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 23:15:56,203 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 23:15:56,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 11:15:52" (1/3) ... [2021-04-28 23:15:56,204 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e8a8860 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 11:15:56, skipping insertion in model container [2021-04-28 23:15:56,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:15:53" (2/3) ... [2021-04-28 23:15:56,205 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e8a8860 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 11:15:56, skipping insertion in model container [2021-04-28 23:15:56,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 11:15:56" (3/3) ... [2021-04-28 23:15:56,206 INFO L111 eAbstractionObserver]: Analyzing ICFG rfi009_tso.opt.i [2021-04-28 23:15:56,215 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 23:15:56,221 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 23:15:56,222 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 23:15:56,270 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,271 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,271 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,271 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,271 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,272 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,272 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,272 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,272 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,273 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,273 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,273 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,273 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,273 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,273 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,273 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,274 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,274 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,274 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,274 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,274 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,275 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,275 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,275 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,275 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,275 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,275 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,276 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,276 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,276 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,276 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,276 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,276 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,277 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,277 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,277 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,277 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,277 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,277 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,278 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,278 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,278 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,278 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,278 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,278 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,279 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,281 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,282 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,282 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,282 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,282 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,282 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,282 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,283 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,283 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,283 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,283 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,283 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,283 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,283 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,284 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,284 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,284 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,284 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,284 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,284 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,285 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,285 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,285 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,285 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,285 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,285 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,286 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,286 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,286 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,286 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,286 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,286 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,286 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,287 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,287 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,287 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,287 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,287 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,290 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,290 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,290 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,291 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,356 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,357 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,357 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,360 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,367 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,367 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,367 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,368 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,368 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,368 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,368 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,369 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,369 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,369 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,369 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,370 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,370 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,370 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,370 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,371 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,371 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,371 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,371 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,371 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,371 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,372 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,372 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,372 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,372 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,372 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,373 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,373 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,373 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,373 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,373 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,373 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,374 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,374 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,374 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,374 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,374 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,374 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,375 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,375 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,375 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,375 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,375 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,375 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,376 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,376 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,376 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,376 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,376 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,376 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,379 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,379 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,379 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,380 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,380 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,380 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,380 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,380 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,380 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,381 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,381 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,381 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,381 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,381 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,382 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,382 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,382 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,382 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,382 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,382 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,383 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,383 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,383 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,383 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,383 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,384 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,384 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,384 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,384 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,384 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,384 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,385 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,385 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,385 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,385 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,385 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,386 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,386 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,389 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,389 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,389 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,389 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,390 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,390 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,390 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,391 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,391 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,391 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,391 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,391 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,392 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,392 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,393 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,393 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,393 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,393 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,394 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,394 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,394 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,394 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,394 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,395 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,395 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,395 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,395 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,395 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,396 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,396 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,396 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,396 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,396 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,397 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,397 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,397 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,398 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,398 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,398 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,398 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,399 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,399 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,399 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,399 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,402 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,402 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,403 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,403 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,403 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,403 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,403 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,404 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,404 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,404 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,404 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,404 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,405 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,405 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,405 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,405 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,406 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,406 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,406 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,406 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,406 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,407 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,407 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,407 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,407 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,407 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,408 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,408 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,408 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,408 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,409 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,409 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,409 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,409 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,409 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,412 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,412 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,413 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,414 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,414 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,414 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,414 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,414 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,415 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,415 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,417 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,417 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,417 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,417 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,418 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,418 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,418 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,418 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,418 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,419 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,419 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,419 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,419 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,419 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,420 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,420 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,420 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,420 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,420 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,421 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,421 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,421 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,421 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,421 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,422 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,422 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,422 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:15:56,424 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 23:15:56,450 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-04-28 23:15:56,492 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 23:15:56,492 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 23:15:56,493 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 23:15:56,493 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 23:15:56,493 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 23:15:56,493 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 23:15:56,493 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 23:15:56,493 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 23:15:56,515 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 106 places, 98 transitions, 211 flow [2021-04-28 23:15:56,586 INFO L129 PetriNetUnfolder]: 2/95 cut-off events. [2021-04-28 23:15:56,587 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:15:56,606 INFO L84 FinitePrefix]: Finished finitePrefix Result has 105 conditions, 95 events. 2/95 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 63 event pairs, 0 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 60. Up to 2 conditions per place. [2021-04-28 23:15:56,606 INFO L82 GeneralOperation]: Start removeDead. Operand has 106 places, 98 transitions, 211 flow [2021-04-28 23:15:56,614 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 103 places, 95 transitions, 199 flow [2021-04-28 23:15:56,616 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:15:56,633 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 103 places, 95 transitions, 199 flow [2021-04-28 23:15:56,639 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 103 places, 95 transitions, 199 flow [2021-04-28 23:15:56,645 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 103 places, 95 transitions, 199 flow [2021-04-28 23:15:56,692 INFO L129 PetriNetUnfolder]: 2/95 cut-off events. [2021-04-28 23:15:56,692 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:15:56,694 INFO L84 FinitePrefix]: Finished finitePrefix Result has 105 conditions, 95 events. 2/95 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 69 event pairs, 0 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 60. Up to 2 conditions per place. [2021-04-28 23:15:56,701 INFO L146 LiptonReduction]: Number of co-enabled transitions 1590 [2021-04-28 23:15:59,360 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 23:15:59,479 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 23:16:00,067 WARN L205 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 86 [2021-04-28 23:16:00,286 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 23:16:01,807 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 23:16:01,914 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 23:16:02,130 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 23:16:02,363 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 23:16:15,416 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 23:16:15,522 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 23:16:19,117 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 23:16:19,219 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 23:16:19,326 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 23:16:19,433 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 23:16:20,175 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-28 23:16:20,297 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-28 23:16:20,414 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-28 23:16:20,532 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-28 23:16:20,649 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 23:16:21,970 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 23:16:22,095 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 23:16:22,218 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 23:16:22,341 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 23:16:22,513 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 23:16:22,675 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 23:16:22,839 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 23:16:23,043 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 23:16:23,208 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 23:16:23,369 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 23:16:23,529 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 23:16:23,695 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 23:16:23,805 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 23:16:23,912 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 23:16:24,017 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 23:16:24,119 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 23:16:24,278 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 23:16:24,429 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 23:16:24,587 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 23:16:24,740 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 23:16:24,883 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 23:16:25,024 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 23:16:25,158 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 23:16:25,293 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 23:16:25,414 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 23:16:25,531 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 23:16:25,649 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 23:16:25,768 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 23:16:25,946 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 23:16:26,127 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 23:16:26,308 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 23:16:26,520 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 23:16:26,656 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 23:16:26,786 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 23:16:26,915 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 23:16:27,044 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 23:16:27,167 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 23:16:27,279 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 23:16:27,397 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 23:16:27,515 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 23:16:27,657 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 23:16:27,802 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 23:16:27,949 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 23:16:28,091 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 23:16:28,221 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 23:16:28,342 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 23:16:28,469 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 23:16:28,596 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 23:16:28,753 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 23:16:28,909 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 23:16:29,065 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 23:16:29,225 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 23:16:29,771 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 23:16:29,942 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 23:16:30,112 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 23:16:30,280 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 23:16:30,463 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 23:16:30,639 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 23:16:30,828 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 23:16:31,017 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 23:16:31,200 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 23:16:31,385 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 23:16:31,572 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 23:16:31,755 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 23:16:31,881 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 23:16:32,003 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 23:16:32,130 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 23:16:32,258 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 23:16:32,434 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 23:16:32,611 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 23:16:32,791 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 23:16:32,998 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 23:16:33,454 WARN L205 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 111 [2021-04-28 23:16:33,669 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2021-04-28 23:16:34,123 WARN L205 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 111 [2021-04-28 23:16:34,335 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2021-04-28 23:16:34,525 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 23:16:34,713 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 23:16:34,901 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 23:16:35,090 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 23:16:35,579 WARN L205 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 116 [2021-04-28 23:16:35,805 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2021-04-28 23:16:36,303 WARN L205 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 116 [2021-04-28 23:16:36,527 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2021-04-28 23:16:36,575 INFO L158 LiptonReduction]: Checked pairs total: 16288 [2021-04-28 23:16:36,575 INFO L160 LiptonReduction]: Total number of compositions: 267 [2021-04-28 23:16:36,581 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 39967 [2021-04-28 23:16:36,604 INFO L129 PetriNetUnfolder]: 0/69 cut-off events. [2021-04-28 23:16:36,605 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:16:36,605 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:16:36,606 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2021-04-28 23:16:36,606 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:16:36,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:16:36,612 INFO L82 PathProgramCache]: Analyzing trace with hash 1410871499, now seen corresponding path program 1 times [2021-04-28 23:16:36,622 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:16:36,622 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813294546] [2021-04-28 23:16:36,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:16:36,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:16:36,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:16:36,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:16:36,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 23:16:36,926 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813294546] [2021-04-28 23:16:36,928 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:16:36,928 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 23:16:36,928 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929066806] [2021-04-28 23:16:36,939 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 23:16:36,939 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:16:36,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 23:16:36,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 23:16:36,964 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 294 out of 365 [2021-04-28 23:16:36,973 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 126 transitions, 261 flow. Second operand has 3 states, 3 states have (on average 294.6666666666667) internal successors, (884), 3 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:16:36,973 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:16:36,973 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 294 of 365 [2021-04-28 23:16:36,975 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:16:37,165 INFO L129 PetriNetUnfolder]: 41/470 cut-off events. [2021-04-28 23:16:37,166 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:16:37,169 INFO L84 FinitePrefix]: Finished finitePrefix Result has 563 conditions, 470 events. 41/470 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 4002 event pairs, 23 based on Foata normal form. 30/136 useless extension candidates. Maximal degree in co-relation 491. Up to 61 conditions per place. [2021-04-28 23:16:37,173 INFO L132 encePairwiseOnDemand]: 350/365 looper letters, 8 selfloop transitions, 2 changer transitions 55/125 dead transitions. [2021-04-28 23:16:37,173 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 125 transitions, 297 flow [2021-04-28 23:16:37,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 23:16:37,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 23:16:37,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 908 transitions. [2021-04-28 23:16:37,194 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8292237442922374 [2021-04-28 23:16:37,195 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 908 transitions. [2021-04-28 23:16:37,196 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 908 transitions. [2021-04-28 23:16:37,199 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:16:37,202 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 908 transitions. [2021-04-28 23:16:37,208 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 302.6666666666667) internal successors, (908), 3 states have internal predecessors, (908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:16:37,219 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 365.0) internal successors, (1460), 4 states have internal predecessors, (1460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:16:37,220 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 365.0) internal successors, (1460), 4 states have internal predecessors, (1460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:16:37,223 INFO L185 Difference]: Start difference. First operand has 135 places, 126 transitions, 261 flow. Second operand 3 states and 908 transitions. [2021-04-28 23:16:37,224 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 125 transitions, 297 flow [2021-04-28 23:16:37,228 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 125 transitions, 294 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-04-28 23:16:37,231 INFO L241 Difference]: Finished difference. Result has 131 places, 67 transitions, 144 flow [2021-04-28 23:16:37,234 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=365, PETRI_DIFFERENCE_MINUEND_FLOW=250, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=120, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=144, PETRI_PLACES=131, PETRI_TRANSITIONS=67} [2021-04-28 23:16:37,235 INFO L343 CegarLoopForPetriNet]: 135 programPoint places, -4 predicate places. [2021-04-28 23:16:37,235 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:16:37,235 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 131 places, 67 transitions, 144 flow [2021-04-28 23:16:37,236 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 131 places, 67 transitions, 144 flow [2021-04-28 23:16:37,236 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 76 places, 67 transitions, 144 flow [2021-04-28 23:16:37,245 INFO L129 PetriNetUnfolder]: 0/67 cut-off events. [2021-04-28 23:16:37,246 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:16:37,246 INFO L84 FinitePrefix]: Finished finitePrefix Result has 77 conditions, 67 events. 0/67 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 356 event pairs, 0 based on Foata normal form. 0/21 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-28 23:16:37,248 INFO L146 LiptonReduction]: Number of co-enabled transitions 1960 [2021-04-28 23:16:37,493 INFO L158 LiptonReduction]: Checked pairs total: 2486 [2021-04-28 23:16:37,493 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:16:37,493 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 258 [2021-04-28 23:16:37,496 INFO L480 AbstractCegarLoop]: Abstraction has has 76 places, 67 transitions, 144 flow [2021-04-28 23:16:37,497 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 294.6666666666667) internal successors, (884), 3 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:16:37,497 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:16:37,497 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:16:37,497 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 23:16:37,497 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:16:37,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:16:37,498 INFO L82 PathProgramCache]: Analyzing trace with hash 1011351634, now seen corresponding path program 1 times [2021-04-28 23:16:37,498 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:16:37,499 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088047066] [2021-04-28 23:16:37,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:16:37,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:16:37,602 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-04-28 23:16:37,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-28 23:16:37,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 23:16:37,621 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088047066] [2021-04-28 23:16:37,621 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:16:37,622 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 23:16:37,622 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375180536] [2021-04-28 23:16:37,623 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 23:16:37,623 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:16:37,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 23:16:37,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 23:16:37,627 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 228 out of 365 [2021-04-28 23:16:37,628 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 67 transitions, 144 flow. Second operand has 3 states, 3 states have (on average 228.66666666666666) internal successors, (686), 3 states have internal predecessors, (686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:16:37,628 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:16:37,629 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 228 of 365 [2021-04-28 23:16:37,629 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:16:37,981 INFO L129 PetriNetUnfolder]: 322/1072 cut-off events. [2021-04-28 23:16:37,981 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:16:37,985 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1732 conditions, 1072 events. 322/1072 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 264. Compared 10389 event pairs, 130 based on Foata normal form. 0/625 useless extension candidates. Maximal degree in co-relation 1723. Up to 531 conditions per place. [2021-04-28 23:16:37,988 INFO L132 encePairwiseOnDemand]: 345/365 looper letters, 5 selfloop transitions, 3 changer transitions 48/93 dead transitions. [2021-04-28 23:16:37,988 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 93 transitions, 308 flow [2021-04-28 23:16:37,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 23:16:37,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 23:16:37,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 739 transitions. [2021-04-28 23:16:37,992 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6748858447488585 [2021-04-28 23:16:37,992 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 739 transitions. [2021-04-28 23:16:37,992 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 739 transitions. [2021-04-28 23:16:37,993 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:16:37,993 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 739 transitions. [2021-04-28 23:16:37,995 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 246.33333333333334) internal successors, (739), 3 states have internal predecessors, (739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:16:37,998 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 365.0) internal successors, (1460), 4 states have internal predecessors, (1460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:16:38,000 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 365.0) internal successors, (1460), 4 states have internal predecessors, (1460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:16:38,000 INFO L185 Difference]: Start difference. First operand has 76 places, 67 transitions, 144 flow. Second operand 3 states and 739 transitions. [2021-04-28 23:16:38,000 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 93 transitions, 308 flow [2021-04-28 23:16:38,001 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 93 transitions, 304 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 23:16:38,003 INFO L241 Difference]: Finished difference. Result has 77 places, 45 transitions, 115 flow [2021-04-28 23:16:38,003 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=365, PETRI_DIFFERENCE_MINUEND_FLOW=140, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=115, PETRI_PLACES=77, PETRI_TRANSITIONS=45} [2021-04-28 23:16:38,004 INFO L343 CegarLoopForPetriNet]: 135 programPoint places, -58 predicate places. [2021-04-28 23:16:38,004 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:16:38,004 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 45 transitions, 115 flow [2021-04-28 23:16:38,005 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 77 places, 45 transitions, 115 flow [2021-04-28 23:16:38,005 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 53 places, 45 transitions, 115 flow [2021-04-28 23:16:38,022 INFO L129 PetriNetUnfolder]: 14/97 cut-off events. [2021-04-28 23:16:38,022 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:16:38,023 INFO L84 FinitePrefix]: Finished finitePrefix Result has 139 conditions, 97 events. 14/97 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 464 event pairs, 10 based on Foata normal form. 0/54 useless extension candidates. Maximal degree in co-relation 131. Up to 31 conditions per place. [2021-04-28 23:16:38,025 INFO L146 LiptonReduction]: Number of co-enabled transitions 1080 [2021-04-28 23:16:38,252 INFO L158 LiptonReduction]: Checked pairs total: 562 [2021-04-28 23:16:38,253 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:16:38,253 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 249 [2021-04-28 23:16:38,255 INFO L480 AbstractCegarLoop]: Abstraction has has 53 places, 45 transitions, 115 flow [2021-04-28 23:16:38,256 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 228.66666666666666) internal successors, (686), 3 states have internal predecessors, (686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:16:38,256 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:16:38,256 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:16:38,256 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 23:16:38,256 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:16:38,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:16:38,257 INFO L82 PathProgramCache]: Analyzing trace with hash 1287127471, now seen corresponding path program 1 times [2021-04-28 23:16:38,257 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:16:38,257 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184564483] [2021-04-28 23:16:38,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:16:38,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:16:38,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:16:38,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:16:38,344 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-04-28 23:16:38,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-28 23:16:38,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 23:16:38,356 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184564483] [2021-04-28 23:16:38,356 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:16:38,356 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 23:16:38,357 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871931903] [2021-04-28 23:16:38,357 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 23:16:38,357 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:16:38,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 23:16:38,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 23:16:38,360 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 228 out of 365 [2021-04-28 23:16:38,362 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 45 transitions, 115 flow. Second operand has 4 states, 4 states have (on average 228.75) internal successors, (915), 4 states have internal predecessors, (915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:16:38,362 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:16:38,362 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 228 of 365 [2021-04-28 23:16:38,363 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:16:38,404 INFO L129 PetriNetUnfolder]: 11/83 cut-off events. [2021-04-28 23:16:38,405 INFO L130 PetriNetUnfolder]: For 11/66 co-relation queries the response was YES. [2021-04-28 23:16:38,405 INFO L84 FinitePrefix]: Finished finitePrefix Result has 147 conditions, 83 events. 11/83 cut-off events. For 11/66 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 340 event pairs, 3 based on Foata normal form. 1/47 useless extension candidates. Maximal degree in co-relation 137. Up to 26 conditions per place. [2021-04-28 23:16:38,406 INFO L132 encePairwiseOnDemand]: 362/365 looper letters, 6 selfloop transitions, 3 changer transitions 1/46 dead transitions. [2021-04-28 23:16:38,406 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 46 transitions, 137 flow [2021-04-28 23:16:38,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 23:16:38,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 23:16:38,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 693 transitions. [2021-04-28 23:16:38,409 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6328767123287671 [2021-04-28 23:16:38,410 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 693 transitions. [2021-04-28 23:16:38,410 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 693 transitions. [2021-04-28 23:16:38,410 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:16:38,410 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 693 transitions. [2021-04-28 23:16:38,413 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 231.0) internal successors, (693), 3 states have internal predecessors, (693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:16:38,415 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 365.0) internal successors, (1460), 4 states have internal predecessors, (1460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:16:38,417 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 365.0) internal successors, (1460), 4 states have internal predecessors, (1460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:16:38,417 INFO L185 Difference]: Start difference. First operand has 53 places, 45 transitions, 115 flow. Second operand 3 states and 693 transitions. [2021-04-28 23:16:38,417 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 46 transitions, 137 flow [2021-04-28 23:16:38,418 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 46 transitions, 134 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 23:16:38,420 INFO L241 Difference]: Finished difference. Result has 55 places, 44 transitions, 121 flow [2021-04-28 23:16:38,420 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=365, PETRI_DIFFERENCE_MINUEND_FLOW=112, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=121, PETRI_PLACES=55, PETRI_TRANSITIONS=44} [2021-04-28 23:16:38,420 INFO L343 CegarLoopForPetriNet]: 135 programPoint places, -80 predicate places. [2021-04-28 23:16:38,420 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:16:38,420 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 55 places, 44 transitions, 121 flow [2021-04-28 23:16:38,421 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 55 places, 44 transitions, 121 flow [2021-04-28 23:16:38,421 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 54 places, 44 transitions, 121 flow [2021-04-28 23:16:38,436 INFO L129 PetriNetUnfolder]: 11/88 cut-off events. [2021-04-28 23:16:38,436 INFO L130 PetriNetUnfolder]: For 9/16 co-relation queries the response was YES. [2021-04-28 23:16:38,437 INFO L84 FinitePrefix]: Finished finitePrefix Result has 137 conditions, 88 events. 11/88 cut-off events. For 9/16 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 407 event pairs, 7 based on Foata normal form. 0/50 useless extension candidates. Maximal degree in co-relation 127. Up to 26 conditions per place. [2021-04-28 23:16:38,439 INFO L146 LiptonReduction]: Number of co-enabled transitions 1016 [2021-04-28 23:16:38,626 INFO L158 LiptonReduction]: Checked pairs total: 549 [2021-04-28 23:16:38,627 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:16:38,627 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 207 [2021-04-28 23:16:38,629 INFO L480 AbstractCegarLoop]: Abstraction has has 54 places, 44 transitions, 121 flow [2021-04-28 23:16:38,630 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 228.75) internal successors, (915), 4 states have internal predecessors, (915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:16:38,630 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:16:38,630 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:16:38,630 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 23:16:38,630 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:16:38,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:16:38,631 INFO L82 PathProgramCache]: Analyzing trace with hash 1295101970, now seen corresponding path program 1 times [2021-04-28 23:16:38,631 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:16:38,631 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605898488] [2021-04-28 23:16:38,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:16:38,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:16:38,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:16:38,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:16:38,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 23:16:38,730 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605898488] [2021-04-28 23:16:38,730 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:16:38,730 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 23:16:38,730 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714831249] [2021-04-28 23:16:38,731 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 23:16:38,731 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:16:38,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 23:16:38,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 23:16:38,734 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 365 [2021-04-28 23:16:38,735 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 44 transitions, 121 flow. Second operand has 3 states, 3 states have (on average 238.66666666666666) internal successors, (716), 3 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:16:38,736 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:16:38,736 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 365 [2021-04-28 23:16:38,736 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:16:38,756 INFO L129 PetriNetUnfolder]: 8/79 cut-off events. [2021-04-28 23:16:38,756 INFO L130 PetriNetUnfolder]: For 23/34 co-relation queries the response was YES. [2021-04-28 23:16:38,757 INFO L84 FinitePrefix]: Finished finitePrefix Result has 130 conditions, 79 events. 8/79 cut-off events. For 23/34 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 337 event pairs, 6 based on Foata normal form. 1/44 useless extension candidates. Maximal degree in co-relation 118. Up to 21 conditions per place. [2021-04-28 23:16:38,758 INFO L132 encePairwiseOnDemand]: 362/365 looper letters, 1 selfloop transitions, 3 changer transitions 1/44 dead transitions. [2021-04-28 23:16:38,758 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 44 transitions, 129 flow [2021-04-28 23:16:38,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 23:16:38,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 23:16:38,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 718 transitions. [2021-04-28 23:16:38,761 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6557077625570776 [2021-04-28 23:16:38,761 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 718 transitions. [2021-04-28 23:16:38,762 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 718 transitions. [2021-04-28 23:16:38,762 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:16:38,762 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 718 transitions. [2021-04-28 23:16:38,765 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 239.33333333333334) internal successors, (718), 3 states have internal predecessors, (718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:16:38,768 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 365.0) internal successors, (1460), 4 states have internal predecessors, (1460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:16:38,770 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 365.0) internal successors, (1460), 4 states have internal predecessors, (1460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:16:38,770 INFO L185 Difference]: Start difference. First operand has 54 places, 44 transitions, 121 flow. Second operand 3 states and 718 transitions. [2021-04-28 23:16:38,770 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 44 transitions, 129 flow [2021-04-28 23:16:38,772 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 44 transitions, 123 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 23:16:38,773 INFO L241 Difference]: Finished difference. Result has 55 places, 43 transitions, 124 flow [2021-04-28 23:16:38,773 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=365, PETRI_DIFFERENCE_MINUEND_FLOW=115, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=124, PETRI_PLACES=55, PETRI_TRANSITIONS=43} [2021-04-28 23:16:38,774 INFO L343 CegarLoopForPetriNet]: 135 programPoint places, -80 predicate places. [2021-04-28 23:16:38,774 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:16:38,774 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 55 places, 43 transitions, 124 flow [2021-04-28 23:16:38,774 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 55 places, 43 transitions, 124 flow [2021-04-28 23:16:38,774 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 54 places, 43 transitions, 124 flow [2021-04-28 23:16:38,791 INFO L129 PetriNetUnfolder]: 8/78 cut-off events. [2021-04-28 23:16:38,792 INFO L130 PetriNetUnfolder]: For 19/26 co-relation queries the response was YES. [2021-04-28 23:16:38,792 INFO L84 FinitePrefix]: Finished finitePrefix Result has 128 conditions, 78 events. 8/78 cut-off events. For 19/26 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 351 event pairs, 6 based on Foata normal form. 0/44 useless extension candidates. Maximal degree in co-relation 117. Up to 21 conditions per place. [2021-04-28 23:16:38,794 INFO L146 LiptonReduction]: Number of co-enabled transitions 948 [2021-04-28 23:16:38,805 INFO L158 LiptonReduction]: Checked pairs total: 530 [2021-04-28 23:16:38,806 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:16:38,806 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 32 [2021-04-28 23:16:38,808 INFO L480 AbstractCegarLoop]: Abstraction has has 54 places, 43 transitions, 124 flow [2021-04-28 23:16:38,809 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 238.66666666666666) internal successors, (716), 3 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:16:38,809 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:16:38,809 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:16:38,809 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 23:16:38,809 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:16:38,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:16:38,810 INFO L82 PathProgramCache]: Analyzing trace with hash 1569980541, now seen corresponding path program 1 times [2021-04-28 23:16:38,810 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:16:38,810 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002361105] [2021-04-28 23:16:38,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:16:38,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:16:38,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:16:38,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:16:38,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:16:38,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:16:38,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 23:16:38,891 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002361105] [2021-04-28 23:16:38,891 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:16:38,891 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 23:16:38,892 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206773775] [2021-04-28 23:16:38,892 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 23:16:38,892 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:16:38,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 23:16:38,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 23:16:38,895 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 232 out of 365 [2021-04-28 23:16:38,897 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 43 transitions, 124 flow. Second operand has 4 states, 4 states have (on average 232.75) internal successors, (931), 4 states have internal predecessors, (931), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:16:38,897 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:16:38,897 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 232 of 365 [2021-04-28 23:16:38,897 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:16:38,944 INFO L129 PetriNetUnfolder]: 15/119 cut-off events. [2021-04-28 23:16:38,945 INFO L130 PetriNetUnfolder]: For 88/149 co-relation queries the response was YES. [2021-04-28 23:16:38,946 INFO L84 FinitePrefix]: Finished finitePrefix Result has 217 conditions, 119 events. 15/119 cut-off events. For 88/149 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 591 event pairs, 8 based on Foata normal form. 6/78 useless extension candidates. Maximal degree in co-relation 204. Up to 34 conditions per place. [2021-04-28 23:16:38,946 INFO L132 encePairwiseOnDemand]: 361/365 looper letters, 4 selfloop transitions, 4 changer transitions 5/47 dead transitions. [2021-04-28 23:16:38,946 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 47 transitions, 166 flow [2021-04-28 23:16:38,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 23:16:38,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 23:16:38,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 938 transitions. [2021-04-28 23:16:38,950 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6424657534246575 [2021-04-28 23:16:38,951 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 938 transitions. [2021-04-28 23:16:38,951 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 938 transitions. [2021-04-28 23:16:38,951 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:16:38,952 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 938 transitions. [2021-04-28 23:16:38,955 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 234.5) internal successors, (938), 4 states have internal predecessors, (938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:16:38,959 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 365.0) internal successors, (1825), 5 states have internal predecessors, (1825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:16:38,961 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 365.0) internal successors, (1825), 5 states have internal predecessors, (1825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:16:38,961 INFO L185 Difference]: Start difference. First operand has 54 places, 43 transitions, 124 flow. Second operand 4 states and 938 transitions. [2021-04-28 23:16:38,961 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 47 transitions, 166 flow [2021-04-28 23:16:38,963 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 47 transitions, 156 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 23:16:38,964 INFO L241 Difference]: Finished difference. Result has 57 places, 40 transitions, 129 flow [2021-04-28 23:16:38,964 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=365, PETRI_DIFFERENCE_MINUEND_FLOW=118, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=129, PETRI_PLACES=57, PETRI_TRANSITIONS=40} [2021-04-28 23:16:38,965 INFO L343 CegarLoopForPetriNet]: 135 programPoint places, -78 predicate places. [2021-04-28 23:16:38,965 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:16:38,965 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 57 places, 40 transitions, 129 flow [2021-04-28 23:16:38,965 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 57 places, 40 transitions, 129 flow [2021-04-28 23:16:38,966 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 54 places, 40 transitions, 129 flow [2021-04-28 23:16:38,979 INFO L129 PetriNetUnfolder]: 8/75 cut-off events. [2021-04-28 23:16:38,980 INFO L130 PetriNetUnfolder]: For 37/37 co-relation queries the response was YES. [2021-04-28 23:16:38,980 INFO L84 FinitePrefix]: Finished finitePrefix Result has 140 conditions, 75 events. 8/75 cut-off events. For 37/37 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 280 event pairs, 6 based on Foata normal form. 0/44 useless extension candidates. Maximal degree in co-relation 127. Up to 21 conditions per place. [2021-04-28 23:16:38,982 INFO L146 LiptonReduction]: Number of co-enabled transitions 770 [2021-04-28 23:16:39,054 INFO L158 LiptonReduction]: Checked pairs total: 445 [2021-04-28 23:16:39,054 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:16:39,055 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 90 [2021-04-28 23:16:39,056 INFO L480 AbstractCegarLoop]: Abstraction has has 54 places, 40 transitions, 129 flow [2021-04-28 23:16:39,057 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 232.75) internal successors, (931), 4 states have internal predecessors, (931), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:16:39,057 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:16:39,058 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:16:39,058 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 23:16:39,058 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:16:39,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:16:39,058 INFO L82 PathProgramCache]: Analyzing trace with hash -1293184985, now seen corresponding path program 1 times [2021-04-28 23:16:39,059 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:16:39,059 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618738006] [2021-04-28 23:16:39,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:16:39,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:16:39,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:16:39,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:16:39,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:16:39,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 23:16:39,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:16:39,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 23:16:39,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 23:16:39,171 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618738006] [2021-04-28 23:16:39,171 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:16:39,171 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 23:16:39,172 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851736751] [2021-04-28 23:16:39,172 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 23:16:39,172 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:16:39,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 23:16:39,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 23:16:39,175 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 264 out of 365 [2021-04-28 23:16:39,177 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 40 transitions, 129 flow. Second operand has 4 states, 4 states have (on average 264.75) internal successors, (1059), 4 states have internal predecessors, (1059), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:16:39,177 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:16:39,177 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 264 of 365 [2021-04-28 23:16:39,177 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:16:39,925 INFO L129 PetriNetUnfolder]: 3721/6128 cut-off events. [2021-04-28 23:16:39,925 INFO L130 PetriNetUnfolder]: For 937/961 co-relation queries the response was YES. [2021-04-28 23:16:39,955 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12656 conditions, 6128 events. 3721/6128 cut-off events. For 937/961 co-relation queries the response was YES. Maximal size of possible extension queue 1239. Compared 48576 event pairs, 1622 based on Foata normal form. 100/1727 useless extension candidates. Maximal degree in co-relation 12641. Up to 3799 conditions per place. [2021-04-28 23:16:39,981 INFO L132 encePairwiseOnDemand]: 346/365 looper letters, 31 selfloop transitions, 30 changer transitions 0/78 dead transitions. [2021-04-28 23:16:39,981 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 78 transitions, 327 flow [2021-04-28 23:16:39,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 23:16:39,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 23:16:39,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1378 transitions. [2021-04-28 23:16:39,987 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7550684931506849 [2021-04-28 23:16:39,987 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1378 transitions. [2021-04-28 23:16:39,987 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1378 transitions. [2021-04-28 23:16:39,988 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:16:39,988 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1378 transitions. [2021-04-28 23:16:39,992 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 275.6) internal successors, (1378), 5 states have internal predecessors, (1378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:16:39,997 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 365.0) internal successors, (2190), 6 states have internal predecessors, (2190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:16:39,998 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 365.0) internal successors, (2190), 6 states have internal predecessors, (2190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:16:39,998 INFO L185 Difference]: Start difference. First operand has 54 places, 40 transitions, 129 flow. Second operand 5 states and 1378 transitions. [2021-04-28 23:16:39,999 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 78 transitions, 327 flow [2021-04-28 23:16:40,004 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 78 transitions, 310 flow, removed 2 selfloop flow, removed 5 redundant places. [2021-04-28 23:16:40,006 INFO L241 Difference]: Finished difference. Result has 56 places, 68 transitions, 337 flow [2021-04-28 23:16:40,007 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=365, PETRI_DIFFERENCE_MINUEND_FLOW=112, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=337, PETRI_PLACES=56, PETRI_TRANSITIONS=68} [2021-04-28 23:16:40,007 INFO L343 CegarLoopForPetriNet]: 135 programPoint places, -79 predicate places. [2021-04-28 23:16:40,007 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:16:40,007 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 56 places, 68 transitions, 337 flow [2021-04-28 23:16:40,008 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 56 places, 68 transitions, 337 flow [2021-04-28 23:16:40,008 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 56 places, 68 transitions, 337 flow [2021-04-28 23:16:40,629 INFO L129 PetriNetUnfolder]: 3319/5615 cut-off events. [2021-04-28 23:16:40,630 INFO L130 PetriNetUnfolder]: For 1332/6533 co-relation queries the response was YES. [2021-04-28 23:16:40,662 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15815 conditions, 5615 events. 3319/5615 cut-off events. For 1332/6533 co-relation queries the response was YES. Maximal size of possible extension queue 1255. Compared 50554 event pairs, 1548 based on Foata normal form. 2/1507 useless extension candidates. Maximal degree in co-relation 15802. Up to 5192 conditions per place. [2021-04-28 23:16:40,726 INFO L146 LiptonReduction]: Number of co-enabled transitions 940 [2021-04-28 23:16:41,172 INFO L158 LiptonReduction]: Checked pairs total: 1047 [2021-04-28 23:16:41,172 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:16:41,172 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1165 [2021-04-28 23:16:41,174 INFO L480 AbstractCegarLoop]: Abstraction has has 56 places, 68 transitions, 337 flow [2021-04-28 23:16:41,175 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 264.75) internal successors, (1059), 4 states have internal predecessors, (1059), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:16:41,175 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:16:41,175 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:16:41,175 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 23:16:41,176 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:16:41,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:16:41,176 INFO L82 PathProgramCache]: Analyzing trace with hash -758246091, now seen corresponding path program 1 times [2021-04-28 23:16:41,176 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:16:41,177 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876692683] [2021-04-28 23:16:41,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:16:41,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:16:41,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:16:41,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:16:41,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:16:41,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:16:41,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:16:41,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 23:16:41,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:16:41,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 23:16:41,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 23:16:41,301 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876692683] [2021-04-28 23:16:41,302 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:16:41,302 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 23:16:41,302 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044974249] [2021-04-28 23:16:41,302 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 23:16:41,302 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:16:41,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 23:16:41,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 23:16:41,307 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 264 out of 365 [2021-04-28 23:16:41,309 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 68 transitions, 337 flow. Second operand has 5 states, 5 states have (on average 264.8) internal successors, (1324), 5 states have internal predecessors, (1324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:16:41,309 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:16:41,309 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 264 of 365 [2021-04-28 23:16:41,310 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:16:42,234 INFO L129 PetriNetUnfolder]: 3379/6452 cut-off events. [2021-04-28 23:16:42,234 INFO L130 PetriNetUnfolder]: For 2352/19407 co-relation queries the response was YES. [2021-04-28 23:16:42,264 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24465 conditions, 6452 events. 3379/6452 cut-off events. For 2352/19407 co-relation queries the response was YES. Maximal size of possible extension queue 1215. Compared 60341 event pairs, 317 based on Foata normal form. 135/2050 useless extension candidates. Maximal degree in co-relation 24450. Up to 5906 conditions per place. [2021-04-28 23:16:42,291 INFO L132 encePairwiseOnDemand]: 346/365 looper letters, 23 selfloop transitions, 58 changer transitions 9/107 dead transitions. [2021-04-28 23:16:42,292 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 107 transitions, 724 flow [2021-04-28 23:16:42,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 23:16:42,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 23:16:42,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1932 transitions. [2021-04-28 23:16:42,298 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7561643835616438 [2021-04-28 23:16:42,298 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1932 transitions. [2021-04-28 23:16:42,299 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1932 transitions. [2021-04-28 23:16:42,300 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:16:42,300 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1932 transitions. [2021-04-28 23:16:42,305 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 276.0) internal successors, (1932), 7 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:16:42,311 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 365.0) internal successors, (2920), 8 states have internal predecessors, (2920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:16:42,312 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 365.0) internal successors, (2920), 8 states have internal predecessors, (2920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:16:42,313 INFO L185 Difference]: Start difference. First operand has 56 places, 68 transitions, 337 flow. Second operand 7 states and 1932 transitions. [2021-04-28 23:16:42,313 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 107 transitions, 724 flow [2021-04-28 23:16:42,325 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 107 transitions, 724 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 23:16:42,328 INFO L241 Difference]: Finished difference. Result has 65 places, 96 transitions, 710 flow [2021-04-28 23:16:42,328 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=365, PETRI_DIFFERENCE_MINUEND_FLOW=337, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=710, PETRI_PLACES=65, PETRI_TRANSITIONS=96} [2021-04-28 23:16:42,328 INFO L343 CegarLoopForPetriNet]: 135 programPoint places, -70 predicate places. [2021-04-28 23:16:42,328 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:16:42,329 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 65 places, 96 transitions, 710 flow [2021-04-28 23:16:42,329 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 65 places, 96 transitions, 710 flow [2021-04-28 23:16:42,330 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 65 places, 96 transitions, 710 flow [2021-04-28 23:16:42,803 INFO L129 PetriNetUnfolder]: 1954/4113 cut-off events. [2021-04-28 23:16:42,804 INFO L130 PetriNetUnfolder]: For 10245/49804 co-relation queries the response was YES. [2021-04-28 23:16:42,825 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17430 conditions, 4113 events. 1954/4113 cut-off events. For 10245/49804 co-relation queries the response was YES. Maximal size of possible extension queue 1239. Compared 41313 event pairs, 329 based on Foata normal form. 0/1111 useless extension candidates. Maximal degree in co-relation 17412. Up to 3680 conditions per place. [2021-04-28 23:16:42,878 INFO L146 LiptonReduction]: Number of co-enabled transitions 1170 [2021-04-28 23:16:43,041 INFO L158 LiptonReduction]: Checked pairs total: 2175 [2021-04-28 23:16:43,041 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:16:43,041 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 713 [2021-04-28 23:16:43,045 INFO L480 AbstractCegarLoop]: Abstraction has has 65 places, 96 transitions, 710 flow [2021-04-28 23:16:43,046 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 264.8) internal successors, (1324), 5 states have internal predecessors, (1324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:16:43,046 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:16:43,046 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:16:43,046 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 23:16:43,046 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:16:43,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:16:43,047 INFO L82 PathProgramCache]: Analyzing trace with hash 505217639, now seen corresponding path program 1 times [2021-04-28 23:16:43,047 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:16:43,047 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812896929] [2021-04-28 23:16:43,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:16:43,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:16:43,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:16:43,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:16:43,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:16:43,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:16:43,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:16:43,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:16:43,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:16:43,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 23:16:43,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:16:43,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 23:16:43,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 23:16:43,294 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812896929] [2021-04-28 23:16:43,295 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:16:43,295 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 23:16:43,295 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395353812] [2021-04-28 23:16:43,296 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 23:16:43,297 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:16:43,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 23:16:43,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-28 23:16:43,301 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 264 out of 365 [2021-04-28 23:16:43,303 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 96 transitions, 710 flow. Second operand has 6 states, 6 states have (on average 264.8333333333333) internal successors, (1589), 6 states have internal predecessors, (1589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:16:43,304 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:16:43,304 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 264 of 365 [2021-04-28 23:16:43,304 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:16:44,117 INFO L129 PetriNetUnfolder]: 1903/4580 cut-off events. [2021-04-28 23:16:44,118 INFO L130 PetriNetUnfolder]: For 6936/50568 co-relation queries the response was YES. [2021-04-28 23:16:44,147 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23976 conditions, 4580 events. 1903/4580 cut-off events. For 6936/50568 co-relation queries the response was YES. Maximal size of possible extension queue 1206. Compared 49047 event pairs, 2 based on Foata normal form. 123/1381 useless extension candidates. Maximal degree in co-relation 23956. Up to 4124 conditions per place. [2021-04-28 23:16:44,170 INFO L132 encePairwiseOnDemand]: 346/365 looper letters, 5 selfloop transitions, 76 changer transitions 20/118 dead transitions. [2021-04-28 23:16:44,170 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 118 transitions, 1052 flow [2021-04-28 23:16:44,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-28 23:16:44,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-28 23:16:44,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2468 transitions. [2021-04-28 23:16:44,178 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7512937595129376 [2021-04-28 23:16:44,178 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2468 transitions. [2021-04-28 23:16:44,178 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2468 transitions. [2021-04-28 23:16:44,180 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:16:44,180 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2468 transitions. [2021-04-28 23:16:44,187 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 274.22222222222223) internal successors, (2468), 9 states have internal predecessors, (2468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:16:44,194 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 365.0) internal successors, (3650), 10 states have internal predecessors, (3650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:16:44,196 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 365.0) internal successors, (3650), 10 states have internal predecessors, (3650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:16:44,196 INFO L185 Difference]: Start difference. First operand has 65 places, 96 transitions, 710 flow. Second operand 9 states and 2468 transitions. [2021-04-28 23:16:44,196 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 118 transitions, 1052 flow [2021-04-28 23:16:44,645 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 118 transitions, 898 flow, removed 48 selfloop flow, removed 5 redundant places. [2021-04-28 23:16:44,648 INFO L241 Difference]: Finished difference. Result has 71 places, 96 transitions, 762 flow [2021-04-28 23:16:44,648 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=365, PETRI_DIFFERENCE_MINUEND_FLOW=557, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=75, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=762, PETRI_PLACES=71, PETRI_TRANSITIONS=96} [2021-04-28 23:16:44,648 INFO L343 CegarLoopForPetriNet]: 135 programPoint places, -64 predicate places. [2021-04-28 23:16:44,649 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:16:44,649 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 71 places, 96 transitions, 762 flow [2021-04-28 23:16:44,649 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 71 places, 96 transitions, 762 flow [2021-04-28 23:16:44,650 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 69 places, 96 transitions, 762 flow [2021-04-28 23:16:44,901 INFO L129 PetriNetUnfolder]: 1018/2763 cut-off events. [2021-04-28 23:16:44,901 INFO L130 PetriNetUnfolder]: For 5110/24450 co-relation queries the response was YES. [2021-04-28 23:16:44,915 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11785 conditions, 2763 events. 1018/2763 cut-off events. For 5110/24450 co-relation queries the response was YES. Maximal size of possible extension queue 950. Compared 29669 event pairs, 2 based on Foata normal form. 0/679 useless extension candidates. Maximal degree in co-relation 11766. Up to 2160 conditions per place. [2021-04-28 23:16:44,949 INFO L146 LiptonReduction]: Number of co-enabled transitions 1120 [2021-04-28 23:16:45,135 INFO L158 LiptonReduction]: Checked pairs total: 2078 [2021-04-28 23:16:45,136 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:16:45,136 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 487 [2021-04-28 23:16:45,137 INFO L480 AbstractCegarLoop]: Abstraction has has 69 places, 96 transitions, 762 flow [2021-04-28 23:16:45,138 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 264.8333333333333) internal successors, (1589), 6 states have internal predecessors, (1589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:16:45,138 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:16:45,139 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:16:45,139 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-28 23:16:45,139 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:16:45,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:16:45,139 INFO L82 PathProgramCache]: Analyzing trace with hash 995706739, now seen corresponding path program 1 times [2021-04-28 23:16:45,139 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:16:45,140 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727785415] [2021-04-28 23:16:45,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:16:45,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:16:45,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:16:45,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 23:16:45,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:16:45,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:16:45,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:16:45,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:16:45,224 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-04-28 23:16:45,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-28 23:16:45,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 23:16:45,238 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727785415] [2021-04-28 23:16:45,238 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:16:45,239 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 23:16:45,239 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074921511] [2021-04-28 23:16:45,239 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 23:16:45,239 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:16:45,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 23:16:45,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 23:16:45,242 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 224 out of 365 [2021-04-28 23:16:45,244 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 96 transitions, 762 flow. Second operand has 5 states, 5 states have (on average 225.4) internal successors, (1127), 5 states have internal predecessors, (1127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:16:45,244 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:16:45,244 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 224 of 365 [2021-04-28 23:16:45,244 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:16:45,855 INFO L129 PetriNetUnfolder]: 1844/5022 cut-off events. [2021-04-28 23:16:45,855 INFO L130 PetriNetUnfolder]: For 7824/17181 co-relation queries the response was YES. [2021-04-28 23:16:45,887 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21616 conditions, 5022 events. 1844/5022 cut-off events. For 7824/17181 co-relation queries the response was YES. Maximal size of possible extension queue 1839. Compared 61405 event pairs, 0 based on Foata normal form. 27/1415 useless extension candidates. Maximal degree in co-relation 21595. Up to 3888 conditions per place. [2021-04-28 23:16:45,896 INFO L132 encePairwiseOnDemand]: 359/365 looper letters, 4 selfloop transitions, 3 changer transitions 55/101 dead transitions. [2021-04-28 23:16:45,897 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 101 transitions, 809 flow [2021-04-28 23:16:45,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-28 23:16:45,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-28 23:16:45,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1359 transitions. [2021-04-28 23:16:45,902 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6205479452054794 [2021-04-28 23:16:45,903 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1359 transitions. [2021-04-28 23:16:45,903 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1359 transitions. [2021-04-28 23:16:45,904 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:16:45,904 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1359 transitions. [2021-04-28 23:16:45,909 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 226.5) internal successors, (1359), 6 states have internal predecessors, (1359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:16:45,915 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 365.0) internal successors, (2555), 7 states have internal predecessors, (2555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:16:45,916 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 365.0) internal successors, (2555), 7 states have internal predecessors, (2555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:16:45,916 INFO L185 Difference]: Start difference. First operand has 69 places, 96 transitions, 762 flow. Second operand 6 states and 1359 transitions. [2021-04-28 23:16:45,916 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 101 transitions, 809 flow [2021-04-28 23:16:48,013 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 101 transitions, 589 flow, removed 47 selfloop flow, removed 8 redundant places. [2021-04-28 23:16:48,015 INFO L241 Difference]: Finished difference. Result has 68 places, 46 transitions, 225 flow [2021-04-28 23:16:48,015 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=365, PETRI_DIFFERENCE_MINUEND_FLOW=542, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=225, PETRI_PLACES=68, PETRI_TRANSITIONS=46} [2021-04-28 23:16:48,016 INFO L343 CegarLoopForPetriNet]: 135 programPoint places, -67 predicate places. [2021-04-28 23:16:48,016 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:16:48,016 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 68 places, 46 transitions, 225 flow [2021-04-28 23:16:48,016 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 68 places, 46 transitions, 225 flow [2021-04-28 23:16:48,017 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 52 places, 46 transitions, 225 flow [2021-04-28 23:16:48,045 INFO L129 PetriNetUnfolder]: 90/269 cut-off events. [2021-04-28 23:16:48,045 INFO L130 PetriNetUnfolder]: For 275/275 co-relation queries the response was YES. [2021-04-28 23:16:48,046 INFO L84 FinitePrefix]: Finished finitePrefix Result has 772 conditions, 269 events. 90/269 cut-off events. For 275/275 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 1635 event pairs, 0 based on Foata normal form. 0/151 useless extension candidates. Maximal degree in co-relation 754. Up to 109 conditions per place. [2021-04-28 23:16:48,048 INFO L146 LiptonReduction]: Number of co-enabled transitions 282 [2021-04-28 23:16:48,843 WARN L205 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 161 [2021-04-28 23:16:49,076 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2021-04-28 23:16:50,862 WARN L205 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 330 DAG size of output: 226 [2021-04-28 23:16:51,358 WARN L205 SmtUtils]: Spent 492.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2021-04-28 23:16:51,479 INFO L158 LiptonReduction]: Checked pairs total: 704 [2021-04-28 23:16:51,480 INFO L160 LiptonReduction]: Total number of compositions: 1 [2021-04-28 23:16:51,480 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3464 [2021-04-28 23:16:51,481 INFO L480 AbstractCegarLoop]: Abstraction has has 52 places, 46 transitions, 225 flow [2021-04-28 23:16:51,482 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 225.4) internal successors, (1127), 5 states have internal predecessors, (1127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:16:51,482 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:16:51,482 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:16:51,482 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-28 23:16:51,482 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:16:51,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:16:51,483 INFO L82 PathProgramCache]: Analyzing trace with hash -1512155643, now seen corresponding path program 1 times [2021-04-28 23:16:51,483 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:16:51,483 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011617741] [2021-04-28 23:16:51,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:16:51,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 23:16:51,558 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 23:16:51,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 23:16:51,627 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 23:16:51,680 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-28 23:16:51,680 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-28 23:16:51,681 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-04-28 23:16:51,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.04 11:16:51 BasicIcfg [2021-04-28 23:16:51,827 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-28 23:16:51,833 INFO L168 Benchmark]: Toolchain (without parser) took 59486.87 ms. Allocated memory was 302.0 MB in the beginning and 931.1 MB in the end (delta: 629.1 MB). Free memory was 272.4 MB in the beginning and 604.9 MB in the end (delta: -332.5 MB). Peak memory consumption was 297.3 MB. Max. memory is 16.0 GB. [2021-04-28 23:16:51,834 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 302.0 MB. Free memory was 272.1 MB in the beginning and 272.1 MB in the end (delta: 76.3 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-28 23:16:51,837 INFO L168 Benchmark]: CACSL2BoogieTranslator took 792.20 ms. Allocated memory is still 302.0 MB. Free memory was 269.2 MB in the beginning and 258.7 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.0 GB. [2021-04-28 23:16:51,838 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.52 ms. Allocated memory is still 302.0 MB. Free memory was 258.7 MB in the beginning and 255.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 23:16:51,838 INFO L168 Benchmark]: Boogie Preprocessor took 49.35 ms. Allocated memory is still 302.0 MB. Free memory was 255.6 MB in the beginning and 253.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 23:16:51,838 INFO L168 Benchmark]: RCFGBuilder took 2891.35 ms. Allocated memory is still 302.0 MB. Free memory was 253.5 MB in the beginning and 121.1 MB in the end (delta: 132.4 MB). Peak memory consumption was 152.3 MB. Max. memory is 16.0 GB. [2021-04-28 23:16:51,839 INFO L168 Benchmark]: TraceAbstraction took 55628.23 ms. Allocated memory was 302.0 MB in the beginning and 931.1 MB in the end (delta: 629.1 MB). Free memory was 121.1 MB in the beginning and 604.9 MB in the end (delta: -483.8 MB). Peak memory consumption was 146.4 MB. Max. memory is 16.0 GB. [2021-04-28 23:16:51,843 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 302.0 MB. Free memory was 272.1 MB in the beginning and 272.1 MB in the end (delta: 76.3 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 792.20 ms. Allocated memory is still 302.0 MB. Free memory was 269.2 MB in the beginning and 258.7 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 69.52 ms. Allocated memory is still 302.0 MB. Free memory was 258.7 MB in the beginning and 255.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 49.35 ms. Allocated memory is still 302.0 MB. Free memory was 255.6 MB in the beginning and 253.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 2891.35 ms. Allocated memory is still 302.0 MB. Free memory was 253.5 MB in the beginning and 121.1 MB in the end (delta: 132.4 MB). Peak memory consumption was 152.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 55628.23 ms. Allocated memory was 302.0 MB in the beginning and 931.1 MB in the end (delta: 629.1 MB). Free memory was 121.1 MB in the beginning and 604.9 MB in the end (delta: -483.8 MB). Peak memory consumption was 146.4 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 39936.5ms, 103 PlacesBefore, 135 PlacesAfterwards, 95 TransitionsBefore, 126 TransitionsAfterwards, 1590 CoEnabledTransitionPairs, 9 FixpointIterations, 165 TrivialSequentialCompositions, 100 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 1 ChoiceCompositions, 267 TotalNumberOfCompositions, 16288 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5038, positive: 4762, positive conditional: 4762, positive unconditional: 0, negative: 276, negative conditional: 276, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2156, positive: 2081, positive conditional: 0, positive unconditional: 2081, negative: 75, negative conditional: 0, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2156, positive: 2081, positive conditional: 0, positive unconditional: 2081, negative: 75, negative conditional: 0, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2156, positive: 2058, positive conditional: 0, positive unconditional: 2058, negative: 98, negative conditional: 0, negative unconditional: 98, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 98, positive: 23, positive conditional: 0, positive unconditional: 23, negative: 75, negative conditional: 0, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1390, positive: 114, positive conditional: 0, positive unconditional: 114, negative: 1276, negative conditional: 0, negative unconditional: 1276, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5038, positive: 2681, positive conditional: 2681, positive unconditional: 0, negative: 201, negative conditional: 201, negative unconditional: 0, unknown: 2156, unknown conditional: 2156, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2156, Positive cache size: 2081, Positive conditional cache size: 2081, Positive unconditional cache size: 0, Negative cache size: 75, Negative conditional cache size: 75, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 257.8ms, 131 PlacesBefore, 76 PlacesAfterwards, 67 TransitionsBefore, 67 TransitionsAfterwards, 1960 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 2486 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 534, positive: 456, positive conditional: 456, positive unconditional: 0, negative: 78, negative conditional: 78, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 203, positive: 182, positive conditional: 24, positive unconditional: 158, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 203, positive: 182, positive conditional: 24, positive unconditional: 158, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 203, positive: 182, positive conditional: 0, positive unconditional: 182, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 21, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 228, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 228, negative conditional: 0, negative unconditional: 228, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 534, positive: 274, positive conditional: 274, positive unconditional: 0, negative: 57, negative conditional: 57, negative unconditional: 0, unknown: 203, unknown conditional: 203, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2359, Positive cache size: 2263, Positive conditional cache size: 2263, Positive unconditional cache size: 0, Negative cache size: 96, Negative conditional cache size: 96, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 247.8ms, 77 PlacesBefore, 53 PlacesAfterwards, 45 TransitionsBefore, 45 TransitionsAfterwards, 1080 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 562 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 39, positive: 20, positive conditional: 20, positive unconditional: 0, negative: 19, negative conditional: 19, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 22, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 11, negative conditional: 1, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 22, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 11, negative conditional: 1, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 22, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 1, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 222, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 222, negative conditional: 7, negative unconditional: 215, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 39, positive: 9, positive conditional: 9, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 22, unknown conditional: 22, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2381, Positive cache size: 2274, Positive conditional cache size: 2274, Positive unconditional cache size: 0, Negative cache size: 107, Negative conditional cache size: 107, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 205.7ms, 55 PlacesBefore, 54 PlacesAfterwards, 44 TransitionsBefore, 44 TransitionsAfterwards, 1016 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 549 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 34, positive: 15, positive conditional: 15, positive unconditional: 0, negative: 19, negative conditional: 19, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 183, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 183, negative conditional: 0, negative unconditional: 183, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 34, positive: 14, positive conditional: 14, positive unconditional: 0, negative: 14, negative conditional: 14, negative unconditional: 0, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2387, Positive cache size: 2275, Positive conditional cache size: 2275, Positive unconditional cache size: 0, Negative cache size: 112, Negative conditional cache size: 112, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 31.6ms, 55 PlacesBefore, 54 PlacesAfterwards, 43 TransitionsBefore, 43 TransitionsAfterwards, 948 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 530 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 34, positive: 15, positive conditional: 15, positive unconditional: 0, negative: 19, negative conditional: 19, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 1, positive conditional: 1, positive unconditional: 0, 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: 2, positive: 1, positive conditional: 1, positive unconditional: 0, 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: 2, positive: 1, positive conditional: 0, positive unconditional: 1, 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: 7, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 34, positive: 14, positive conditional: 14, positive unconditional: 0, negative: 18, negative conditional: 18, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2389, Positive cache size: 2276, Positive conditional cache size: 2276, Positive unconditional cache size: 0, Negative cache size: 113, Negative conditional cache size: 113, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 89.1ms, 57 PlacesBefore, 54 PlacesAfterwards, 40 TransitionsBefore, 40 TransitionsAfterwards, 770 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 445 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 34, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 17, negative conditional: 17, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 3, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 3, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 68, positive: 68, positive conditional: 0, positive unconditional: 68, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 34, positive: 11, positive conditional: 11, positive unconditional: 0, negative: 17, negative conditional: 17, negative unconditional: 0, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2395, Positive cache size: 2282, Positive conditional cache size: 2282, Positive unconditional cache size: 0, Negative cache size: 113, Negative conditional cache size: 113, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1164.7ms, 56 PlacesBefore, 56 PlacesAfterwards, 68 TransitionsBefore, 68 TransitionsAfterwards, 940 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1047 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 178, positive: 157, positive conditional: 157, positive unconditional: 0, negative: 21, negative conditional: 21, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 30, positive: 28, positive conditional: 18, positive unconditional: 10, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 30, positive: 28, positive conditional: 18, positive unconditional: 10, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 30, positive: 28, positive conditional: 0, positive unconditional: 28, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 124, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 124, negative conditional: 0, negative unconditional: 124, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 178, positive: 129, positive conditional: 129, positive unconditional: 0, negative: 19, negative conditional: 19, negative unconditional: 0, unknown: 30, unknown conditional: 30, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2425, Positive cache size: 2310, Positive conditional cache size: 2310, Positive unconditional cache size: 0, Negative cache size: 115, Negative conditional cache size: 115, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 712.1ms, 65 PlacesBefore, 65 PlacesAfterwards, 96 TransitionsBefore, 96 TransitionsAfterwards, 1170 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 2175 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 282, positive: 249, positive conditional: 249, positive unconditional: 0, negative: 33, negative conditional: 33, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 32, positive: 30, positive conditional: 24, positive unconditional: 6, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 32, positive: 30, positive conditional: 24, positive unconditional: 6, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 32, positive: 30, positive conditional: 0, positive unconditional: 30, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 53, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 282, positive: 219, positive conditional: 219, positive unconditional: 0, negative: 31, negative conditional: 31, negative unconditional: 0, unknown: 32, unknown conditional: 32, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2457, Positive cache size: 2340, Positive conditional cache size: 2340, Positive unconditional cache size: 0, Negative cache size: 117, Negative conditional cache size: 117, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 486.5ms, 71 PlacesBefore, 69 PlacesAfterwards, 96 TransitionsBefore, 96 TransitionsAfterwards, 1120 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 2078 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 520, positive: 487, positive conditional: 487, positive unconditional: 0, negative: 33, negative conditional: 33, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 50, positive: 50, positive conditional: 50, 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: 50, positive: 50, positive conditional: 50, 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: 50, positive: 50, positive conditional: 0, positive unconditional: 50, 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: 520, positive: 437, positive conditional: 437, positive unconditional: 0, negative: 33, negative conditional: 33, negative unconditional: 0, unknown: 50, unknown conditional: 50, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2507, Positive cache size: 2390, Positive conditional cache size: 2390, Positive unconditional cache size: 0, Negative cache size: 117, Negative conditional cache size: 117, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3463.3ms, 68 PlacesBefore, 52 PlacesAfterwards, 46 TransitionsBefore, 46 TransitionsAfterwards, 282 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 704 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 164, positive: 126, positive conditional: 126, positive unconditional: 0, negative: 38, negative conditional: 38, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11, positive: 9, positive conditional: 7, positive unconditional: 2, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 11, positive: 9, positive conditional: 7, positive unconditional: 2, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 11, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 113, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 113, negative conditional: 0, negative unconditional: 113, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 164, positive: 117, positive conditional: 117, positive unconditional: 0, negative: 36, negative conditional: 36, negative unconditional: 0, unknown: 11, unknown conditional: 11, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2518, Positive cache size: 2399, Positive conditional cache size: 2399, Positive unconditional cache size: 0, Negative cache size: 119, Negative conditional cache size: 119, Negative unconditional cache size: 0 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p0_EAX = 0; [L714] 0 int __unbuffered_p0_EBX = 0; [L716] 0 int __unbuffered_p1_EAX = 0; [L718] 0 int __unbuffered_p1_EBX = 0; [L719] 0 _Bool main$tmp_guard0; [L720] 0 _Bool main$tmp_guard1; [L722] 0 int x = 0; [L724] 0 int y = 0; [L725] 0 _Bool y$flush_delayed; [L726] 0 int y$mem_tmp; [L727] 0 _Bool y$r_buff0_thd0; [L728] 0 _Bool y$r_buff0_thd1; [L729] 0 _Bool y$r_buff0_thd2; [L730] 0 _Bool y$r_buff0_thd3; [L731] 0 _Bool y$r_buff1_thd0; [L732] 0 _Bool y$r_buff1_thd1; [L733] 0 _Bool y$r_buff1_thd2; [L734] 0 _Bool y$r_buff1_thd3; [L735] 0 _Bool y$read_delayed; [L736] 0 int *y$read_delayed_var; [L737] 0 int y$w_buff0; [L738] 0 _Bool y$w_buff0_used; [L739] 0 int y$w_buff1; [L740] 0 _Bool y$w_buff1_used; [L741] 0 _Bool weak$$choice0; [L742] 0 _Bool weak$$choice2; [L844] 0 pthread_t t1758; [L845] FCALL, FORK 0 pthread_create(&t1758, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=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, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L846] 0 pthread_t t1759; [L847] FCALL, FORK 0 pthread_create(&t1759, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=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, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L774] 2 y$w_buff1 = y$w_buff0 [L775] 2 y$w_buff0 = 1 [L776] 2 y$w_buff1_used = y$w_buff0_used [L777] 2 y$w_buff0_used = (_Bool)1 [L19] COND FALSE 2 !(!expression) [L779] 2 y$r_buff1_thd0 = y$r_buff0_thd0 [L780] 2 y$r_buff1_thd1 = y$r_buff0_thd1 [L781] 2 y$r_buff1_thd2 = y$r_buff0_thd2 [L782] 2 y$r_buff1_thd3 = y$r_buff0_thd3 [L783] 2 y$r_buff0_thd2 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L786] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L787] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L788] 2 y$flush_delayed = weak$$choice2 [L789] 2 y$mem_tmp = y [L790] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L790] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1 [L790] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L790] 2 y = !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L791] EXPR 2 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L791] 2 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L792] EXPR 2 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L792] 2 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L793] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L793] 2 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L794] EXPR 2 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L794] 2 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L795] EXPR 2 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L795] 2 y$r_buff0_thd2 = weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L796] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L796] 2 y$r_buff1_thd2 = weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L797] 2 __unbuffered_p1_EAX = y [L798] EXPR 2 y$flush_delayed ? y$mem_tmp : y [L798] 2 y = y$flush_delayed ? y$mem_tmp : y [L799] 2 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L802] 2 __unbuffered_p1_EBX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L848] 0 pthread_t t1760; [L849] FCALL, FORK 0 pthread_create(&t1760, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L819] 3 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L746] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L749] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L750] 1 weak$$choice2 = __VERIFIER_nondet_bool() [L751] 1 y$flush_delayed = weak$$choice2 [L752] 1 y$mem_tmp = y [L753] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff1) [L753] 1 y = !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff1) [L754] EXPR 1 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0)) [L754] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0) [L754] EXPR 1 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0)) [L754] 1 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0)) [L755] EXPR 1 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1)) [L755] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1) [L755] EXPR 1 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1)) [L755] 1 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1)) [L756] EXPR 1 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used)) [L756] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used) [L756] EXPR 1 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used)) [L756] 1 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used)) [L757] EXPR 1 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L757] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0) [L757] EXPR 1 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L757] 1 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L758] EXPR 1 weak$$choice2 ? y$r_buff0_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1)) [L758] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1) [L758] EXPR 1 weak$$choice2 ? y$r_buff0_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1)) [L758] 1 y$r_buff0_thd1 = weak$$choice2 ? y$r_buff0_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1)) [L759] EXPR 1 weak$$choice2 ? y$r_buff1_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L759] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0) [L759] EXPR 1 weak$$choice2 ? y$r_buff1_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L759] 1 y$r_buff1_thd1 = weak$$choice2 ? y$r_buff1_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L760] 1 __unbuffered_p0_EBX = y [L761] EXPR 1 y$flush_delayed ? y$mem_tmp : y [L761] 1 y = y$flush_delayed ? y$mem_tmp : y [L762] 1 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L805] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L805] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L806] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L806] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L807] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L807] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L808] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L808] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L809] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L809] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L812] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L814] 2 return 0; VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L822] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L822] EXPR 3 y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y [L822] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L822] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L823] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L823] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L824] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L824] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L825] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L825] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L826] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L826] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L767] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L829] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L831] 3 return 0; [L851] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L4] COND FALSE 0 !(!cond) [L855] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L855] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L855] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L855] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L856] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L856] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L857] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L857] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L858] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L858] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L859] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L859] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L862] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 1 && __unbuffered_p0_EBX == 0 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0) [L19] COND TRUE 0 !expression [L19] 0 reach_error() VAL [\result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 97 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 14.4ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 55200.3ms, OverallIterations: 10, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 6827.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 40096.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 75 SDtfs, 94 SDslu, 20 SDs, 0 SdLazy, 360 SolverSat, 159 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 577.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 210.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=762occurred in iteration=8, InterpolantAutomatonStates: 43, 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: 40.9ms SsaConstructionTime, 495.2ms SatisfiabilityAnalysisTime, 674.1ms InterpolantComputationTime, 132 NumberOfCodeBlocks, 132 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 103 ConstructedInterpolants, 0 QuantifiedInterpolants, 541 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...