/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix046_power.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-25 14:34:25,740 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-25 14:34:25,741 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-25 14:34:25,776 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-25 14:34:25,776 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-25 14:34:25,778 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-25 14:34:25,780 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-25 14:34:25,783 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-25 14:34:25,785 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-25 14:34:25,787 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-25 14:34:25,788 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-25 14:34:25,789 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-25 14:34:25,789 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-25 14:34:25,790 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-25 14:34:25,791 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-25 14:34:25,792 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-25 14:34:25,794 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-25 14:34:25,794 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-25 14:34:25,796 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-25 14:34:25,799 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-25 14:34:25,800 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-25 14:34:25,804 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-25 14:34:25,805 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-25 14:34:25,806 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-25 14:34:25,810 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-25 14:34:25,812 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-25 14:34:25,812 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-25 14:34:25,812 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-25 14:34:25,813 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-25 14:34:25,813 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-25 14:34:25,813 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-25 14:34:25,814 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-25 14:34:25,814 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-25 14:34:25,814 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-25 14:34:25,814 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-25 14:34:25,815 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-25 14:34:25,819 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbe.epf [2021-03-25 14:34:25,840 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-25 14:34:25,840 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-25 14:34:25,842 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-25 14:34:25,842 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-25 14:34:25,842 INFO L138 SettingsManager]: * Use SBE=true [2021-03-25 14:34:25,843 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-25 14:34:25,843 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-25 14:34:25,843 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-25 14:34:25,843 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-25 14:34:25,843 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-25 14:34:25,844 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-25 14:34:25,844 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-25 14:34:25,844 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-25 14:34:25,844 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-25 14:34:25,844 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-25 14:34:25,844 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-25 14:34:25,844 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-25 14:34:25,844 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-25 14:34:25,844 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-25 14:34:25,844 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-25 14:34:25,845 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-25 14:34:25,845 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-25 14:34:25,845 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-25 14:34:25,845 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-25 14:34:25,845 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-25 14:34:25,845 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-25 14:34:25,845 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-25 14:34:25,845 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-25 14:34:25,845 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-25 14:34:25,845 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-25 14:34:26,058 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-25 14:34:26,072 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-25 14:34:26,074 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-25 14:34:26,075 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-25 14:34:26,075 INFO L275 PluginConnector]: CDTParser initialized [2021-03-25 14:34:26,076 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix046_power.oepc.i [2021-03-25 14:34:26,123 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c527cae7/26cf2589e8274b8cbf92895b67c6c79e/FLAGc9606b63b [2021-03-25 14:34:26,496 INFO L306 CDTParser]: Found 1 translation units. [2021-03-25 14:34:26,497 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix046_power.oepc.i [2021-03-25 14:34:26,506 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c527cae7/26cf2589e8274b8cbf92895b67c6c79e/FLAGc9606b63b [2021-03-25 14:34:26,861 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c527cae7/26cf2589e8274b8cbf92895b67c6c79e [2021-03-25 14:34:26,863 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-25 14:34:26,864 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-25 14:34:26,865 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-25 14:34:26,865 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-25 14:34:26,867 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-25 14:34:26,867 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 02:34:26" (1/1) ... [2021-03-25 14:34:26,868 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58637fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:34:26, skipping insertion in model container [2021-03-25 14:34:26,868 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 02:34:26" (1/1) ... [2021-03-25 14:34:26,872 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-25 14:34:26,894 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-25 14:34:26,991 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/mix046_power.oepc.i[951,964] [2021-03-25 14:34:27,121 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 14:34:27,126 INFO L203 MainTranslator]: Completed pre-run [2021-03-25 14:34:27,154 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/mix046_power.oepc.i[951,964] [2021-03-25 14:34:27,203 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 14:34:27,250 INFO L208 MainTranslator]: Completed translation [2021-03-25 14:34:27,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:34:27 WrapperNode [2021-03-25 14:34:27,252 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-25 14:34:27,253 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-25 14:34:27,253 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-25 14:34:27,253 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-25 14:34:27,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:34:27" (1/1) ... [2021-03-25 14:34:27,279 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:34:27" (1/1) ... [2021-03-25 14:34:27,310 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-25 14:34:27,311 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-25 14:34:27,311 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-25 14:34:27,311 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-25 14:34:27,316 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:34:27" (1/1) ... [2021-03-25 14:34:27,317 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:34:27" (1/1) ... [2021-03-25 14:34:27,320 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:34:27" (1/1) ... [2021-03-25 14:34:27,320 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:34:27" (1/1) ... [2021-03-25 14:34:27,326 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:34:27" (1/1) ... [2021-03-25 14:34:27,332 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:34:27" (1/1) ... [2021-03-25 14:34:27,334 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:34:27" (1/1) ... [2021-03-25 14:34:27,337 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-25 14:34:27,338 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-25 14:34:27,338 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-25 14:34:27,338 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-25 14:34:27,338 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:34:27" (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 [2021-03-25 14:34:27,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-25 14:34:27,394 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-25 14:34:27,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-25 14:34:27,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-25 14:34:27,394 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-25 14:34:27,394 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-25 14:34:27,394 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-25 14:34:27,395 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-25 14:34:27,395 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-25 14:34:27,395 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-25 14:34:27,395 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-03-25 14:34:27,395 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-03-25 14:34:27,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-25 14:34:27,395 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-25 14:34:27,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-25 14:34:27,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-25 14:34:27,396 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-25 14:34:28,813 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-25 14:34:28,813 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-25 14:34:28,814 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 02:34:28 BoogieIcfgContainer [2021-03-25 14:34:28,814 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-25 14:34:28,815 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-25 14:34:28,815 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-25 14:34:28,817 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-25 14:34:28,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.03 02:34:26" (1/3) ... [2021-03-25 14:34:28,817 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28ccb13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 02:34:28, skipping insertion in model container [2021-03-25 14:34:28,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:34:27" (2/3) ... [2021-03-25 14:34:28,818 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28ccb13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 02:34:28, skipping insertion in model container [2021-03-25 14:34:28,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 02:34:28" (3/3) ... [2021-03-25 14:34:28,819 INFO L111 eAbstractionObserver]: Analyzing ICFG mix046_power.oepc.i [2021-03-25 14:34:28,823 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-25 14:34:28,825 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-25 14:34:28,826 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-25 14:34:28,857 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,857 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,857 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,858 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,858 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,858 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,858 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,858 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,858 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,858 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,858 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,858 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,858 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,858 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,859 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,859 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,859 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,859 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,859 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,859 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,859 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,859 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,859 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,860 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,860 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,860 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,860 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,860 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,860 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,860 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,861 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,861 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,861 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,861 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,861 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,861 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,861 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,861 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,861 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,861 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,861 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,862 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,862 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,862 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,862 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,862 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,862 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,862 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,862 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,862 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,862 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,863 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,863 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,863 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,863 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,863 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,863 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,863 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,863 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,863 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,863 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,864 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,864 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,864 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,864 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,864 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,864 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,864 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,864 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,864 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,864 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,864 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,864 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,864 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,865 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,865 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,865 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,865 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,865 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,865 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,865 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,865 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,866 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,866 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,866 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,866 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,866 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,866 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,866 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,866 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,866 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,866 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,867 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,867 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,867 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,867 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,867 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,867 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,867 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,867 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,867 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,867 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,867 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,867 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,867 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,868 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,868 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,868 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,868 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,868 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,868 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,868 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,868 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,868 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,868 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,868 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,868 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,868 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,868 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,868 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,869 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,869 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,869 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,869 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,869 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,869 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,869 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,869 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,869 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,869 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,869 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,869 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,871 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,871 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,871 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,871 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,871 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,871 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,871 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,871 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,871 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,871 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,872 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,872 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,872 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,872 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,872 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,872 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,872 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,872 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,872 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,872 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,872 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,872 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,872 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,872 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,872 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,872 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,873 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,873 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,873 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,873 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,873 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,873 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,873 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,873 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,873 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,873 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,873 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,873 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,875 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,875 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,875 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,875 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,875 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,875 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,875 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,876 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,876 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,876 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,876 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,876 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,876 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,876 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,876 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,876 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,877 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,877 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,878 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,878 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,878 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,878 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,878 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,878 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,878 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,878 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,879 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,879 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,879 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,879 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,879 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,879 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,879 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,879 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,879 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,879 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,879 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,879 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,879 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,880 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,880 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,880 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,880 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,880 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,880 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,880 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,880 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,880 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,880 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,880 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,880 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,881 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,882 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,882 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,882 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,882 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,882 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,882 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,882 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,882 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,882 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,882 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,882 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,887 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,887 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,887 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,887 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,887 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,887 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,887 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,887 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,888 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,888 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,892 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,892 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,892 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,892 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,892 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,892 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,892 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,892 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,893 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,893 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:34:28,893 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-25 14:34:28,905 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-03-25 14:34:28,916 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-25 14:34:28,916 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-25 14:34:28,916 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-25 14:34:28,916 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-25 14:34:28,916 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-25 14:34:28,916 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-25 14:34:28,916 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-25 14:34:28,916 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-25 14:34:28,923 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 130 places, 119 transitions, 258 flow [2021-03-25 14:34:28,947 INFO L129 PetriNetUnfolder]: 2/115 cut-off events. [2021-03-25 14:34:28,947 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:34:28,950 INFO L84 FinitePrefix]: Finished finitePrefix Result has 128 conditions, 115 events. 2/115 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 90 event pairs, 0 based on Foata normal form. 0/111 useless extension candidates. Maximal degree in co-relation 78. Up to 2 conditions per place. [2021-03-25 14:34:28,950 INFO L82 GeneralOperation]: Start removeDead. Operand has 130 places, 119 transitions, 258 flow [2021-03-25 14:34:28,953 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 126 places, 115 transitions, 242 flow [2021-03-25 14:34:28,954 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:34:28,961 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 126 places, 115 transitions, 242 flow [2021-03-25 14:34:28,963 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 126 places, 115 transitions, 242 flow [2021-03-25 14:34:28,964 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 126 places, 115 transitions, 242 flow [2021-03-25 14:34:28,977 INFO L129 PetriNetUnfolder]: 2/115 cut-off events. [2021-03-25 14:34:28,977 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:34:28,977 INFO L84 FinitePrefix]: Finished finitePrefix Result has 128 conditions, 115 events. 2/115 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 91 event pairs, 0 based on Foata normal form. 0/111 useless extension candidates. Maximal degree in co-relation 78. Up to 2 conditions per place. [2021-03-25 14:34:28,979 INFO L142 LiptonReduction]: Number of co-enabled transitions 2876 [2021-03-25 14:34:30,228 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-25 14:34:30,578 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 81 [2021-03-25 14:34:30,683 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-03-25 14:34:31,801 INFO L154 LiptonReduction]: Checked pairs total: 5168 [2021-03-25 14:34:31,801 INFO L156 LiptonReduction]: Total number of compositions: 75 [2021-03-25 14:34:31,803 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2850 [2021-03-25 14:34:31,815 INFO L129 PetriNetUnfolder]: 0/13 cut-off events. [2021-03-25 14:34:31,815 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:34:31,815 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:34:31,815 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:34:31,816 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:34:31,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:34:31,820 INFO L82 PathProgramCache]: Analyzing trace with hash 1955839471, now seen corresponding path program 1 times [2021-03-25 14:34:31,825 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:34:31,825 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349150040] [2021-03-25 14:34:31,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:34:31,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:34:32,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:34:32,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 14:34:32,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:34:32,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:34:32,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:34:32,013 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349150040] [2021-03-25 14:34:32,013 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:34:32,013 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 14:34:32,014 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759139715] [2021-03-25 14:34:32,019 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 14:34:32,019 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:34:32,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 14:34:32,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 14:34:32,029 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 171 out of 194 [2021-03-25 14:34:32,032 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 48 transitions, 108 flow. Second operand has 3 states, 3 states have (on average 171.66666666666666) internal successors, (515), 3 states have internal predecessors, (515), 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) [2021-03-25 14:34:32,032 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:34:32,032 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 194 [2021-03-25 14:34:32,033 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:34:32,145 INFO L129 PetriNetUnfolder]: 133/370 cut-off events. [2021-03-25 14:34:32,146 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:34:32,150 INFO L84 FinitePrefix]: Finished finitePrefix Result has 589 conditions, 370 events. 133/370 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 2000 event pairs, 110 based on Foata normal form. 32/372 useless extension candidates. Maximal degree in co-relation 567. Up to 153 conditions per place. [2021-03-25 14:34:32,152 INFO L132 encePairwiseOnDemand]: 190/194 looper letters, 11 selfloop transitions, 2 changer transitions 0/50 dead transitions. [2021-03-25 14:34:32,152 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 50 transitions, 138 flow [2021-03-25 14:34:32,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 14:34:32,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 14:34:32,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 529 transitions. [2021-03-25 14:34:32,161 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9089347079037801 [2021-03-25 14:34:32,162 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 529 transitions. [2021-03-25 14:34:32,162 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 529 transitions. [2021-03-25 14:34:32,163 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:34:32,165 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 529 transitions. [2021-03-25 14:34:32,168 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 176.33333333333334) internal successors, (529), 3 states have internal predecessors, (529), 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) [2021-03-25 14:34:32,172 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 194.0) internal successors, (776), 4 states have internal predecessors, (776), 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) [2021-03-25 14:34:32,172 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 194.0) internal successors, (776), 4 states have internal predecessors, (776), 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) [2021-03-25 14:34:32,180 INFO L185 Difference]: Start difference. First operand has 60 places, 48 transitions, 108 flow. Second operand 3 states and 529 transitions. [2021-03-25 14:34:32,181 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 50 transitions, 138 flow [2021-03-25 14:34:32,183 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 50 transitions, 134 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-25 14:34:32,184 INFO L241 Difference]: Finished difference. Result has 56 places, 45 transitions, 102 flow [2021-03-25 14:34:32,188 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=194, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=102, PETRI_PLACES=56, PETRI_TRANSITIONS=45} [2021-03-25 14:34:32,189 INFO L343 CegarLoopForPetriNet]: 60 programPoint places, -4 predicate places. [2021-03-25 14:34:32,189 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:34:32,189 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 56 places, 45 transitions, 102 flow [2021-03-25 14:34:32,189 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 56 places, 45 transitions, 102 flow [2021-03-25 14:34:32,190 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 56 places, 45 transitions, 102 flow [2021-03-25 14:34:32,193 INFO L129 PetriNetUnfolder]: 0/45 cut-off events. [2021-03-25 14:34:32,193 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:34:32,193 INFO L84 FinitePrefix]: Finished finitePrefix Result has 57 conditions, 45 events. 0/45 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 53 event pairs, 0 based on Foata normal form. 0/44 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-03-25 14:34:32,194 INFO L142 LiptonReduction]: Number of co-enabled transitions 618 [2021-03-25 14:34:32,562 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-03-25 14:34:32,672 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-03-25 14:34:33,647 INFO L154 LiptonReduction]: Checked pairs total: 2656 [2021-03-25 14:34:33,647 INFO L156 LiptonReduction]: Total number of compositions: 14 [2021-03-25 14:34:33,648 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1459 [2021-03-25 14:34:33,648 INFO L480 AbstractCegarLoop]: Abstraction has has 42 places, 31 transitions, 74 flow [2021-03-25 14:34:33,649 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 171.66666666666666) internal successors, (515), 3 states have internal predecessors, (515), 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) [2021-03-25 14:34:33,649 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:34:33,649 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:34:33,649 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-25 14:34:33,649 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:34:33,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:34:33,649 INFO L82 PathProgramCache]: Analyzing trace with hash -1678115275, now seen corresponding path program 1 times [2021-03-25 14:34:33,650 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:34:33,650 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692356584] [2021-03-25 14:34:33,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:34:33,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:34:33,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:34:33,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 14:34:33,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:34:33,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:34:33,713 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-03-25 14:34:33,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 14:34:33,727 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-25 14:34:33,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 14:34:33,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:34:33,731 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692356584] [2021-03-25 14:34:33,732 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:34:33,732 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 14:34:33,732 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046152249] [2021-03-25 14:34:33,732 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 14:34:33,732 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:34:33,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 14:34:33,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-25 14:34:33,735 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 208 [2021-03-25 14:34:33,736 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 31 transitions, 74 flow. Second operand has 5 states, 5 states have (on average 165.0) internal successors, (825), 5 states have internal predecessors, (825), 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) [2021-03-25 14:34:33,736 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:34:33,736 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 208 [2021-03-25 14:34:33,736 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:34:33,901 INFO L129 PetriNetUnfolder]: 390/818 cut-off events. [2021-03-25 14:34:33,901 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-25 14:34:33,903 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1445 conditions, 818 events. 390/818 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 5090 event pairs, 29 based on Foata normal form. 0/762 useless extension candidates. Maximal degree in co-relation 1433. Up to 226 conditions per place. [2021-03-25 14:34:33,908 INFO L132 encePairwiseOnDemand]: 197/208 looper letters, 12 selfloop transitions, 11 changer transitions 23/66 dead transitions. [2021-03-25 14:34:33,908 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 66 transitions, 236 flow [2021-03-25 14:34:33,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 14:34:33,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 14:34:33,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1196 transitions. [2021-03-25 14:34:33,913 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8214285714285714 [2021-03-25 14:34:33,913 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1196 transitions. [2021-03-25 14:34:33,913 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1196 transitions. [2021-03-25 14:34:33,914 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:34:33,914 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1196 transitions. [2021-03-25 14:34:33,916 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 170.85714285714286) internal successors, (1196), 7 states have internal predecessors, (1196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:34:33,920 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 208.0) internal successors, (1664), 8 states have internal predecessors, (1664), 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) [2021-03-25 14:34:33,920 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 208.0) internal successors, (1664), 8 states have internal predecessors, (1664), 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) [2021-03-25 14:34:33,921 INFO L185 Difference]: Start difference. First operand has 42 places, 31 transitions, 74 flow. Second operand 7 states and 1196 transitions. [2021-03-25 14:34:33,921 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 66 transitions, 236 flow [2021-03-25 14:34:33,921 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 66 transitions, 232 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 14:34:33,922 INFO L241 Difference]: Finished difference. Result has 51 places, 39 transitions, 158 flow [2021-03-25 14:34:33,922 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=208, PETRI_DIFFERENCE_MINUEND_FLOW=70, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=158, PETRI_PLACES=51, PETRI_TRANSITIONS=39} [2021-03-25 14:34:33,923 INFO L343 CegarLoopForPetriNet]: 60 programPoint places, -9 predicate places. [2021-03-25 14:34:33,923 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:34:33,923 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 51 places, 39 transitions, 158 flow [2021-03-25 14:34:33,924 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 51 places, 39 transitions, 158 flow [2021-03-25 14:34:33,924 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 47 places, 39 transitions, 158 flow [2021-03-25 14:34:33,969 INFO L129 PetriNetUnfolder]: 178/512 cut-off events. [2021-03-25 14:34:33,970 INFO L130 PetriNetUnfolder]: For 166/180 co-relation queries the response was YES. [2021-03-25 14:34:33,971 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1128 conditions, 512 events. 178/512 cut-off events. For 166/180 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 3571 event pairs, 69 based on Foata normal form. 0/503 useless extension candidates. Maximal degree in co-relation 1112. Up to 205 conditions per place. [2021-03-25 14:34:33,976 INFO L142 LiptonReduction]: Number of co-enabled transitions 572 [2021-03-25 14:34:34,756 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 124 [2021-03-25 14:34:34,904 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-03-25 14:34:35,245 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 124 [2021-03-25 14:34:35,391 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-03-25 14:34:35,422 INFO L154 LiptonReduction]: Checked pairs total: 1266 [2021-03-25 14:34:35,422 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 14:34:35,422 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1499 [2021-03-25 14:34:35,423 INFO L480 AbstractCegarLoop]: Abstraction has has 45 places, 37 transitions, 152 flow [2021-03-25 14:34:35,423 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 165.0) internal successors, (825), 5 states have internal predecessors, (825), 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) [2021-03-25 14:34:35,423 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:34:35,423 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:34:35,423 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-25 14:34:35,424 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:34:35,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:34:35,424 INFO L82 PathProgramCache]: Analyzing trace with hash -1204984476, now seen corresponding path program 1 times [2021-03-25 14:34:35,424 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:34:35,424 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590030380] [2021-03-25 14:34:35,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:34:35,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:34:35,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:34:35,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:34:35,460 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-03-25 14:34:35,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 14:34:35,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:34:35,468 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590030380] [2021-03-25 14:34:35,468 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:34:35,468 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 14:34:35,468 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395564374] [2021-03-25 14:34:35,468 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 14:34:35,468 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:34:35,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 14:34:35,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-25 14:34:35,469 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 210 [2021-03-25 14:34:35,470 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 37 transitions, 152 flow. Second operand has 4 states, 4 states have (on average 169.0) internal successors, (676), 4 states have internal predecessors, (676), 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) [2021-03-25 14:34:35,470 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:34:35,470 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 210 [2021-03-25 14:34:35,470 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:34:35,516 INFO L129 PetriNetUnfolder]: 144/392 cut-off events. [2021-03-25 14:34:35,517 INFO L130 PetriNetUnfolder]: For 231/404 co-relation queries the response was YES. [2021-03-25 14:34:35,517 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1144 conditions, 392 events. 144/392 cut-off events. For 231/404 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 2280 event pairs, 22 based on Foata normal form. 12/397 useless extension candidates. Maximal degree in co-relation 1129. Up to 156 conditions per place. [2021-03-25 14:34:35,519 INFO L132 encePairwiseOnDemand]: 202/210 looper letters, 19 selfloop transitions, 9 changer transitions 0/47 dead transitions. [2021-03-25 14:34:35,519 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 47 transitions, 264 flow [2021-03-25 14:34:35,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-25 14:34:35,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-25 14:34:35,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 691 transitions. [2021-03-25 14:34:35,521 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8226190476190476 [2021-03-25 14:34:35,521 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 691 transitions. [2021-03-25 14:34:35,521 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 691 transitions. [2021-03-25 14:34:35,521 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:34:35,521 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 691 transitions. [2021-03-25 14:34:35,522 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 172.75) internal successors, (691), 4 states have internal predecessors, (691), 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) [2021-03-25 14:34:35,523 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 210.0) internal successors, (1050), 5 states have internal predecessors, (1050), 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) [2021-03-25 14:34:35,524 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 210.0) internal successors, (1050), 5 states have internal predecessors, (1050), 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) [2021-03-25 14:34:35,524 INFO L185 Difference]: Start difference. First operand has 45 places, 37 transitions, 152 flow. Second operand 4 states and 691 transitions. [2021-03-25 14:34:35,524 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 47 transitions, 264 flow [2021-03-25 14:34:35,525 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 47 transitions, 248 flow, removed 8 selfloop flow, removed 2 redundant places. [2021-03-25 14:34:35,526 INFO L241 Difference]: Finished difference. Result has 49 places, 42 transitions, 218 flow [2021-03-25 14:34:35,526 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=210, PETRI_DIFFERENCE_MINUEND_FLOW=140, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=218, PETRI_PLACES=49, PETRI_TRANSITIONS=42} [2021-03-25 14:34:35,526 INFO L343 CegarLoopForPetriNet]: 60 programPoint places, -11 predicate places. [2021-03-25 14:34:35,527 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:34:35,527 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 49 places, 42 transitions, 218 flow [2021-03-25 14:34:35,527 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 49 places, 42 transitions, 218 flow [2021-03-25 14:34:35,528 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 49 places, 42 transitions, 218 flow [2021-03-25 14:34:35,557 INFO L129 PetriNetUnfolder]: 127/384 cut-off events. [2021-03-25 14:34:35,557 INFO L130 PetriNetUnfolder]: For 344/344 co-relation queries the response was YES. [2021-03-25 14:34:35,558 INFO L84 FinitePrefix]: Finished finitePrefix Result has 990 conditions, 384 events. 127/384 cut-off events. For 344/344 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 2409 event pairs, 32 based on Foata normal form. 0/380 useless extension candidates. Maximal degree in co-relation 975. Up to 145 conditions per place. [2021-03-25 14:34:35,561 INFO L142 LiptonReduction]: Number of co-enabled transitions 640 [2021-03-25 14:34:35,600 INFO L154 LiptonReduction]: Checked pairs total: 557 [2021-03-25 14:34:35,600 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:34:35,601 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 75 [2021-03-25 14:34:35,602 INFO L480 AbstractCegarLoop]: Abstraction has has 49 places, 42 transitions, 218 flow [2021-03-25 14:34:35,603 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 169.0) internal successors, (676), 4 states have internal predecessors, (676), 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) [2021-03-25 14:34:35,603 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:34:35,603 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:34:35,603 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-25 14:34:35,604 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:34:35,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:34:35,605 INFO L82 PathProgramCache]: Analyzing trace with hash 1164849304, now seen corresponding path program 1 times [2021-03-25 14:34:35,605 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:34:35,606 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350745733] [2021-03-25 14:34:35,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:34:35,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:34:35,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:34:35,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:34:35,691 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-03-25 14:34:35,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 14:34:35,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:34:35,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 14:34:35,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:34:35,699 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350745733] [2021-03-25 14:34:35,699 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:34:35,699 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 14:34:35,699 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619176761] [2021-03-25 14:34:35,699 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 14:34:35,700 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:34:35,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 14:34:35,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 14:34:35,700 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 210 [2021-03-25 14:34:35,701 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 42 transitions, 218 flow. Second operand has 4 states, 4 states have (on average 178.75) internal successors, (715), 4 states have internal predecessors, (715), 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) [2021-03-25 14:34:35,701 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:34:35,701 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 210 [2021-03-25 14:34:35,701 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:34:35,824 INFO L129 PetriNetUnfolder]: 733/1529 cut-off events. [2021-03-25 14:34:35,824 INFO L130 PetriNetUnfolder]: For 618/675 co-relation queries the response was YES. [2021-03-25 14:34:35,829 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3507 conditions, 1529 events. 733/1529 cut-off events. For 618/675 co-relation queries the response was YES. Maximal size of possible extension queue 270. Compared 12034 event pairs, 327 based on Foata normal form. 125/1499 useless extension candidates. Maximal degree in co-relation 3490. Up to 880 conditions per place. [2021-03-25 14:34:35,835 INFO L132 encePairwiseOnDemand]: 203/210 looper letters, 10 selfloop transitions, 10 changer transitions 0/55 dead transitions. [2021-03-25 14:34:35,835 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 55 transitions, 284 flow [2021-03-25 14:34:35,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 14:34:35,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 14:34:35,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 912 transitions. [2021-03-25 14:34:35,837 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8685714285714285 [2021-03-25 14:34:35,837 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 912 transitions. [2021-03-25 14:34:35,837 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 912 transitions. [2021-03-25 14:34:35,838 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:34:35,838 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 912 transitions. [2021-03-25 14:34:35,839 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 182.4) internal successors, (912), 5 states have internal predecessors, (912), 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) [2021-03-25 14:34:35,841 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 210.0) internal successors, (1260), 6 states have internal predecessors, (1260), 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) [2021-03-25 14:34:35,842 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 210.0) internal successors, (1260), 6 states have internal predecessors, (1260), 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) [2021-03-25 14:34:35,842 INFO L185 Difference]: Start difference. First operand has 49 places, 42 transitions, 218 flow. Second operand 5 states and 912 transitions. [2021-03-25 14:34:35,842 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 55 transitions, 284 flow [2021-03-25 14:34:35,847 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 55 transitions, 281 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-25 14:34:35,848 INFO L241 Difference]: Finished difference. Result has 55 places, 51 transitions, 290 flow [2021-03-25 14:34:35,848 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=210, PETRI_DIFFERENCE_MINUEND_FLOW=215, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=290, PETRI_PLACES=55, PETRI_TRANSITIONS=51} [2021-03-25 14:34:35,848 INFO L343 CegarLoopForPetriNet]: 60 programPoint places, -5 predicate places. [2021-03-25 14:34:35,848 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:34:35,848 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 55 places, 51 transitions, 290 flow [2021-03-25 14:34:35,848 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 55 places, 51 transitions, 290 flow [2021-03-25 14:34:35,849 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 55 places, 51 transitions, 290 flow [2021-03-25 14:34:35,975 INFO L129 PetriNetUnfolder]: 818/1689 cut-off events. [2021-03-25 14:34:35,975 INFO L130 PetriNetUnfolder]: For 1432/1708 co-relation queries the response was YES. [2021-03-25 14:34:35,981 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4923 conditions, 1689 events. 818/1689 cut-off events. For 1432/1708 co-relation queries the response was YES. Maximal size of possible extension queue 285. Compared 13283 event pairs, 349 based on Foata normal form. 12/1533 useless extension candidates. Maximal degree in co-relation 4904. Up to 1053 conditions per place. [2021-03-25 14:34:35,993 INFO L142 LiptonReduction]: Number of co-enabled transitions 976 [2021-03-25 14:34:36,397 INFO L154 LiptonReduction]: Checked pairs total: 1115 [2021-03-25 14:34:36,397 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 14:34:36,397 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 549 [2021-03-25 14:34:36,397 INFO L480 AbstractCegarLoop]: Abstraction has has 55 places, 50 transitions, 284 flow [2021-03-25 14:34:36,398 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 178.75) internal successors, (715), 4 states have internal predecessors, (715), 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) [2021-03-25 14:34:36,398 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:34:36,398 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:34:36,398 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-25 14:34:36,398 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:34:36,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:34:36,399 INFO L82 PathProgramCache]: Analyzing trace with hash 301062871, now seen corresponding path program 1 times [2021-03-25 14:34:36,399 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:34:36,399 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110974740] [2021-03-25 14:34:36,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:34:36,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:34:36,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:34:36,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 14:34:36,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:34:36,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:34:36,442 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-03-25 14:34:36,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 14:34:36,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:34:36,450 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110974740] [2021-03-25 14:34:36,450 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:34:36,451 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 14:34:36,451 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844890541] [2021-03-25 14:34:36,451 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 14:34:36,451 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:34:36,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 14:34:36,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-25 14:34:36,452 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 210 [2021-03-25 14:34:36,453 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 50 transitions, 284 flow. Second operand has 4 states, 4 states have (on average 169.25) internal successors, (677), 4 states have internal predecessors, (677), 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) [2021-03-25 14:34:36,453 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:34:36,453 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 210 [2021-03-25 14:34:36,453 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:34:36,599 INFO L129 PetriNetUnfolder]: 906/1811 cut-off events. [2021-03-25 14:34:36,599 INFO L130 PetriNetUnfolder]: For 2058/2792 co-relation queries the response was YES. [2021-03-25 14:34:36,605 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5616 conditions, 1811 events. 906/1811 cut-off events. For 2058/2792 co-relation queries the response was YES. Maximal size of possible extension queue 294. Compared 13869 event pairs, 404 based on Foata normal form. 92/1719 useless extension candidates. Maximal degree in co-relation 5595. Up to 1139 conditions per place. [2021-03-25 14:34:36,613 INFO L132 encePairwiseOnDemand]: 201/210 looper letters, 18 selfloop transitions, 20 changer transitions 0/61 dead transitions. [2021-03-25 14:34:36,613 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 61 transitions, 438 flow [2021-03-25 14:34:36,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-25 14:34:36,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-25 14:34:36,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 694 transitions. [2021-03-25 14:34:36,614 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8261904761904761 [2021-03-25 14:34:36,614 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 694 transitions. [2021-03-25 14:34:36,615 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 694 transitions. [2021-03-25 14:34:36,615 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:34:36,615 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 694 transitions. [2021-03-25 14:34:36,617 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 173.5) internal successors, (694), 4 states have internal predecessors, (694), 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) [2021-03-25 14:34:36,618 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 210.0) internal successors, (1050), 5 states have internal predecessors, (1050), 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) [2021-03-25 14:34:36,618 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 210.0) internal successors, (1050), 5 states have internal predecessors, (1050), 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) [2021-03-25 14:34:36,618 INFO L185 Difference]: Start difference. First operand has 55 places, 50 transitions, 284 flow. Second operand 4 states and 694 transitions. [2021-03-25 14:34:36,618 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 61 transitions, 438 flow [2021-03-25 14:34:36,630 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 61 transitions, 431 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-03-25 14:34:36,631 INFO L241 Difference]: Finished difference. Result has 57 places, 57 transitions, 438 flow [2021-03-25 14:34:36,631 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=210, PETRI_DIFFERENCE_MINUEND_FLOW=253, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=438, PETRI_PLACES=57, PETRI_TRANSITIONS=57} [2021-03-25 14:34:36,631 INFO L343 CegarLoopForPetriNet]: 60 programPoint places, -3 predicate places. [2021-03-25 14:34:36,631 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:34:36,631 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 57 places, 57 transitions, 438 flow [2021-03-25 14:34:36,632 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 57 places, 57 transitions, 438 flow [2021-03-25 14:34:36,632 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 57 places, 57 transitions, 438 flow [2021-03-25 14:34:36,793 INFO L129 PetriNetUnfolder]: 966/1901 cut-off events. [2021-03-25 14:34:36,793 INFO L130 PetriNetUnfolder]: For 1829/2040 co-relation queries the response was YES. [2021-03-25 14:34:36,800 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5603 conditions, 1901 events. 966/1901 cut-off events. For 1829/2040 co-relation queries the response was YES. Maximal size of possible extension queue 299. Compared 14383 event pairs, 429 based on Foata normal form. 3/1741 useless extension candidates. Maximal degree in co-relation 5581. Up to 1268 conditions per place. [2021-03-25 14:34:36,812 INFO L142 LiptonReduction]: Number of co-enabled transitions 958 [2021-03-25 14:34:37,220 INFO L154 LiptonReduction]: Checked pairs total: 734 [2021-03-25 14:34:37,221 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:34:37,221 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 590 [2021-03-25 14:34:37,221 INFO L480 AbstractCegarLoop]: Abstraction has has 57 places, 57 transitions, 438 flow [2021-03-25 14:34:37,221 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 169.25) internal successors, (677), 4 states have internal predecessors, (677), 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) [2021-03-25 14:34:37,221 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:34:37,222 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:34:37,222 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-25 14:34:37,222 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:34:37,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:34:37,222 INFO L82 PathProgramCache]: Analyzing trace with hash 1755420474, now seen corresponding path program 1 times [2021-03-25 14:34:37,222 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:34:37,222 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120359742] [2021-03-25 14:34:37,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:34:37,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:34:37,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:34:37,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 14:34:37,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:34:37,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:34:37,269 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-03-25 14:34:37,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 14:34:37,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:34:37,277 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120359742] [2021-03-25 14:34:37,278 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:34:37,278 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 14:34:37,278 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732967324] [2021-03-25 14:34:37,278 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 14:34:37,278 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:34:37,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 14:34:37,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-25 14:34:37,279 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 210 [2021-03-25 14:34:37,279 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 57 transitions, 438 flow. Second operand has 4 states, 4 states have (on average 169.5) internal successors, (678), 4 states have internal predecessors, (678), 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) [2021-03-25 14:34:37,279 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:34:37,279 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 210 [2021-03-25 14:34:37,280 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:34:37,461 INFO L129 PetriNetUnfolder]: 1248/2437 cut-off events. [2021-03-25 14:34:37,461 INFO L130 PetriNetUnfolder]: For 3341/4328 co-relation queries the response was YES. [2021-03-25 14:34:37,470 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7592 conditions, 2437 events. 1248/2437 cut-off events. For 3341/4328 co-relation queries the response was YES. Maximal size of possible extension queue 398. Compared 19535 event pairs, 586 based on Foata normal form. 95/2261 useless extension candidates. Maximal degree in co-relation 7568. Up to 1636 conditions per place. [2021-03-25 14:34:37,479 INFO L132 encePairwiseOnDemand]: 201/210 looper letters, 22 selfloop transitions, 23 changer transitions 0/68 dead transitions. [2021-03-25 14:34:37,480 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 68 transitions, 630 flow [2021-03-25 14:34:37,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-25 14:34:37,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-25 14:34:37,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 694 transitions. [2021-03-25 14:34:37,481 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8261904761904761 [2021-03-25 14:34:37,481 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 694 transitions. [2021-03-25 14:34:37,481 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 694 transitions. [2021-03-25 14:34:37,482 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:34:37,482 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 694 transitions. [2021-03-25 14:34:37,483 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 173.5) internal successors, (694), 4 states have internal predecessors, (694), 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) [2021-03-25 14:34:37,484 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 210.0) internal successors, (1050), 5 states have internal predecessors, (1050), 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) [2021-03-25 14:34:37,484 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 210.0) internal successors, (1050), 5 states have internal predecessors, (1050), 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) [2021-03-25 14:34:37,484 INFO L185 Difference]: Start difference. First operand has 57 places, 57 transitions, 438 flow. Second operand 4 states and 694 transitions. [2021-03-25 14:34:37,484 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 68 transitions, 630 flow [2021-03-25 14:34:37,489 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 68 transitions, 628 flow, removed 1 selfloop flow, removed 0 redundant places. [2021-03-25 14:34:37,491 INFO L241 Difference]: Finished difference. Result has 63 places, 65 transitions, 629 flow [2021-03-25 14:34:37,491 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=210, PETRI_DIFFERENCE_MINUEND_FLOW=436, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=629, PETRI_PLACES=63, PETRI_TRANSITIONS=65} [2021-03-25 14:34:37,491 INFO L343 CegarLoopForPetriNet]: 60 programPoint places, 3 predicate places. [2021-03-25 14:34:37,491 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:34:37,492 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 63 places, 65 transitions, 629 flow [2021-03-25 14:34:37,492 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 63 places, 65 transitions, 629 flow [2021-03-25 14:34:37,492 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 63 places, 65 transitions, 629 flow [2021-03-25 14:34:37,680 INFO L129 PetriNetUnfolder]: 1262/2445 cut-off events. [2021-03-25 14:34:37,681 INFO L130 PetriNetUnfolder]: For 3110/3555 co-relation queries the response was YES. [2021-03-25 14:34:37,690 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7483 conditions, 2445 events. 1262/2445 cut-off events. For 3110/3555 co-relation queries the response was YES. Maximal size of possible extension queue 392. Compared 19397 event pairs, 598 based on Foata normal form. 2/2208 useless extension candidates. Maximal degree in co-relation 7456. Up to 1690 conditions per place. [2021-03-25 14:34:37,711 INFO L142 LiptonReduction]: Number of co-enabled transitions 1128 [2021-03-25 14:34:38,180 INFO L154 LiptonReduction]: Checked pairs total: 1205 [2021-03-25 14:34:38,180 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:34:38,180 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 689 [2021-03-25 14:34:38,181 INFO L480 AbstractCegarLoop]: Abstraction has has 63 places, 65 transitions, 629 flow [2021-03-25 14:34:38,181 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 169.5) internal successors, (678), 4 states have internal predecessors, (678), 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) [2021-03-25 14:34:38,181 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:34:38,181 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:34:38,181 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-25 14:34:38,181 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:34:38,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:34:38,182 INFO L82 PathProgramCache]: Analyzing trace with hash -1965871816, now seen corresponding path program 2 times [2021-03-25 14:34:38,182 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:34:38,182 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093168267] [2021-03-25 14:34:38,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:34:38,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:34:38,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:34:38,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:34:38,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:34:38,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:34:38,222 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-03-25 14:34:38,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 14:34:38,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:34:38,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 14:34:38,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:34:38,232 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093168267] [2021-03-25 14:34:38,232 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:34:38,232 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 14:34:38,232 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106771182] [2021-03-25 14:34:38,232 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 14:34:38,232 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:34:38,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 14:34:38,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-25 14:34:38,233 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 210 [2021-03-25 14:34:38,234 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 65 transitions, 629 flow. Second operand has 5 states, 5 states have (on average 178.8) internal successors, (894), 5 states have internal predecessors, (894), 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) [2021-03-25 14:34:38,234 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:34:38,234 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 210 [2021-03-25 14:34:38,234 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:34:38,448 INFO L129 PetriNetUnfolder]: 934/2038 cut-off events. [2021-03-25 14:34:38,448 INFO L130 PetriNetUnfolder]: For 3374/5118 co-relation queries the response was YES. [2021-03-25 14:34:38,456 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7882 conditions, 2038 events. 934/2038 cut-off events. For 3374/5118 co-relation queries the response was YES. Maximal size of possible extension queue 332. Compared 16772 event pairs, 159 based on Foata normal form. 443/2363 useless extension candidates. Maximal degree in co-relation 7853. Up to 1469 conditions per place. [2021-03-25 14:34:38,462 INFO L132 encePairwiseOnDemand]: 203/210 looper letters, 10 selfloop transitions, 14 changer transitions 5/78 dead transitions. [2021-03-25 14:34:38,462 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 78 transitions, 753 flow [2021-03-25 14:34:38,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 14:34:38,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 14:34:38,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1094 transitions. [2021-03-25 14:34:38,464 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8682539682539683 [2021-03-25 14:34:38,464 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1094 transitions. [2021-03-25 14:34:38,464 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1094 transitions. [2021-03-25 14:34:38,465 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:34:38,465 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1094 transitions. [2021-03-25 14:34:38,466 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 182.33333333333334) internal successors, (1094), 6 states have internal predecessors, (1094), 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) [2021-03-25 14:34:38,468 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 210.0) internal successors, (1470), 7 states have internal predecessors, (1470), 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) [2021-03-25 14:34:38,468 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 210.0) internal successors, (1470), 7 states have internal predecessors, (1470), 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) [2021-03-25 14:34:38,468 INFO L185 Difference]: Start difference. First operand has 63 places, 65 transitions, 629 flow. Second operand 6 states and 1094 transitions. [2021-03-25 14:34:38,468 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 78 transitions, 753 flow [2021-03-25 14:34:38,474 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 78 transitions, 751 flow, removed 1 selfloop flow, removed 0 redundant places. [2021-03-25 14:34:38,475 INFO L241 Difference]: Finished difference. Result has 71 places, 69 transitions, 674 flow [2021-03-25 14:34:38,475 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=210, PETRI_DIFFERENCE_MINUEND_FLOW=627, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=674, PETRI_PLACES=71, PETRI_TRANSITIONS=69} [2021-03-25 14:34:38,475 INFO L343 CegarLoopForPetriNet]: 60 programPoint places, 11 predicate places. [2021-03-25 14:34:38,475 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:34:38,475 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 71 places, 69 transitions, 674 flow [2021-03-25 14:34:38,475 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 71 places, 69 transitions, 674 flow [2021-03-25 14:34:38,476 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 71 places, 69 transitions, 674 flow [2021-03-25 14:34:38,611 INFO L129 PetriNetUnfolder]: 911/2015 cut-off events. [2021-03-25 14:34:38,611 INFO L130 PetriNetUnfolder]: For 6632/8492 co-relation queries the response was YES. [2021-03-25 14:34:38,618 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9114 conditions, 2015 events. 911/2015 cut-off events. For 6632/8492 co-relation queries the response was YES. Maximal size of possible extension queue 311. Compared 16995 event pairs, 166 based on Foata normal form. 52/1957 useless extension candidates. Maximal degree in co-relation 9082. Up to 1463 conditions per place. [2021-03-25 14:34:38,634 INFO L142 LiptonReduction]: Number of co-enabled transitions 1428 [2021-03-25 14:34:39,701 INFO L154 LiptonReduction]: Checked pairs total: 2715 [2021-03-25 14:34:39,702 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 14:34:39,702 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1227 [2021-03-25 14:34:39,702 INFO L480 AbstractCegarLoop]: Abstraction has has 71 places, 68 transitions, 666 flow [2021-03-25 14:34:39,702 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 178.8) internal successors, (894), 5 states have internal predecessors, (894), 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) [2021-03-25 14:34:39,703 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:34:39,703 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:34:39,703 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-25 14:34:39,703 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:34:39,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:34:39,703 INFO L82 PathProgramCache]: Analyzing trace with hash 2060323813, now seen corresponding path program 1 times [2021-03-25 14:34:39,703 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:34:39,703 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4342021] [2021-03-25 14:34:39,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:34:39,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:34:39,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:34:39,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:34:39,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:34:39,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:34:39,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:34:39,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:34:39,768 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-03-25 14:34:39,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 14:34:39,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:34:39,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 14:34:39,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:34:39,775 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4342021] [2021-03-25 14:34:39,775 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:34:39,775 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 14:34:39,775 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331459991] [2021-03-25 14:34:39,775 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 14:34:39,775 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:34:39,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 14:34:39,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-25 14:34:39,776 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 210 [2021-03-25 14:34:39,777 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 68 transitions, 666 flow. Second operand has 6 states, 6 states have (on average 178.83333333333334) internal successors, (1073), 6 states have internal predecessors, (1073), 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) [2021-03-25 14:34:39,777 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:34:39,777 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 210 [2021-03-25 14:34:39,777 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:34:39,928 INFO L129 PetriNetUnfolder]: 487/1208 cut-off events. [2021-03-25 14:34:39,928 INFO L130 PetriNetUnfolder]: For 4298/5688 co-relation queries the response was YES. [2021-03-25 14:34:39,932 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6218 conditions, 1208 events. 487/1208 cut-off events. For 4298/5688 co-relation queries the response was YES. Maximal size of possible extension queue 160. Compared 9165 event pairs, 19 based on Foata normal form. 460/1621 useless extension candidates. Maximal degree in co-relation 6184. Up to 841 conditions per place. [2021-03-25 14:34:39,935 INFO L132 encePairwiseOnDemand]: 203/210 looper letters, 6 selfloop transitions, 18 changer transitions 4/77 dead transitions. [2021-03-25 14:34:39,935 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 77 transitions, 808 flow [2021-03-25 14:34:39,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 14:34:39,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 14:34:39,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1276 transitions. [2021-03-25 14:34:39,938 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8680272108843538 [2021-03-25 14:34:39,938 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1276 transitions. [2021-03-25 14:34:39,938 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1276 transitions. [2021-03-25 14:34:39,939 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:34:39,939 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1276 transitions. [2021-03-25 14:34:39,941 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 182.28571428571428) internal successors, (1276), 7 states have internal predecessors, (1276), 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) [2021-03-25 14:34:39,942 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 210.0) internal successors, (1680), 8 states have internal predecessors, (1680), 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) [2021-03-25 14:34:39,943 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 210.0) internal successors, (1680), 8 states have internal predecessors, (1680), 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) [2021-03-25 14:34:39,943 INFO L185 Difference]: Start difference. First operand has 71 places, 68 transitions, 666 flow. Second operand 7 states and 1276 transitions. [2021-03-25 14:34:39,943 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 77 transitions, 808 flow [2021-03-25 14:34:39,960 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 77 transitions, 715 flow, removed 27 selfloop flow, removed 6 redundant places. [2021-03-25 14:34:39,962 INFO L241 Difference]: Finished difference. Result has 72 places, 73 transitions, 695 flow [2021-03-25 14:34:39,962 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=210, PETRI_DIFFERENCE_MINUEND_FLOW=557, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=695, PETRI_PLACES=72, PETRI_TRANSITIONS=73} [2021-03-25 14:34:39,962 INFO L343 CegarLoopForPetriNet]: 60 programPoint places, 12 predicate places. [2021-03-25 14:34:39,962 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:34:39,962 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 72 places, 73 transitions, 695 flow [2021-03-25 14:34:39,962 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 72 places, 73 transitions, 695 flow [2021-03-25 14:34:39,963 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 72 places, 73 transitions, 695 flow [2021-03-25 14:34:40,037 INFO L129 PetriNetUnfolder]: 475/1213 cut-off events. [2021-03-25 14:34:40,038 INFO L130 PetriNetUnfolder]: For 3552/3768 co-relation queries the response was YES. [2021-03-25 14:34:40,042 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5445 conditions, 1213 events. 475/1213 cut-off events. For 3552/3768 co-relation queries the response was YES. Maximal size of possible extension queue 163. Compared 9554 event pairs, 29 based on Foata normal form. 1/1167 useless extension candidates. Maximal degree in co-relation 5414. Up to 758 conditions per place. [2021-03-25 14:34:40,049 INFO L142 LiptonReduction]: Number of co-enabled transitions 1330 [2021-03-25 14:34:40,467 INFO L154 LiptonReduction]: Checked pairs total: 2925 [2021-03-25 14:34:40,467 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 14:34:40,467 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 505 [2021-03-25 14:34:40,467 INFO L480 AbstractCegarLoop]: Abstraction has has 72 places, 72 transitions, 685 flow [2021-03-25 14:34:40,468 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 178.83333333333334) internal successors, (1073), 6 states have internal predecessors, (1073), 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) [2021-03-25 14:34:40,468 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:34:40,468 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:34:40,468 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-25 14:34:40,468 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:34:40,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:34:40,468 INFO L82 PathProgramCache]: Analyzing trace with hash -575015967, now seen corresponding path program 1 times [2021-03-25 14:34:40,468 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:34:40,468 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400657103] [2021-03-25 14:34:40,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:34:40,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:34:40,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:34:40,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:34:40,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:34:40,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:34:40,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:34:40,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:34:40,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:34:40,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:34:40,540 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-03-25 14:34:40,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 14:34:40,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:34:40,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 14:34:40,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:34:40,547 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400657103] [2021-03-25 14:34:40,547 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:34:40,547 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-25 14:34:40,547 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271713777] [2021-03-25 14:34:40,547 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 14:34:40,547 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:34:40,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 14:34:40,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-25 14:34:40,548 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 210 [2021-03-25 14:34:40,549 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 72 transitions, 685 flow. Second operand has 7 states, 7 states have (on average 178.85714285714286) internal successors, (1252), 7 states have internal predecessors, (1252), 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) [2021-03-25 14:34:40,549 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:34:40,549 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 210 [2021-03-25 14:34:40,549 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:34:40,670 INFO L129 PetriNetUnfolder]: 334/838 cut-off events. [2021-03-25 14:34:40,670 INFO L130 PetriNetUnfolder]: For 3172/3826 co-relation queries the response was YES. [2021-03-25 14:34:40,673 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4084 conditions, 838 events. 334/838 cut-off events. For 3172/3826 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 5837 event pairs, 3 based on Foata normal form. 250/1043 useless extension candidates. Maximal degree in co-relation 4051. Up to 460 conditions per place. [2021-03-25 14:34:40,675 INFO L132 encePairwiseOnDemand]: 203/210 looper letters, 2 selfloop transitions, 18 changer transitions 18/73 dead transitions. [2021-03-25 14:34:40,675 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 73 transitions, 733 flow [2021-03-25 14:34:40,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 14:34:40,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 14:34:40,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1450 transitions. [2021-03-25 14:34:40,677 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8630952380952381 [2021-03-25 14:34:40,678 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1450 transitions. [2021-03-25 14:34:40,678 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1450 transitions. [2021-03-25 14:34:40,678 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:34:40,678 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1450 transitions. [2021-03-25 14:34:40,680 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 181.25) internal successors, (1450), 8 states have internal predecessors, (1450), 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) [2021-03-25 14:34:40,682 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 210.0) internal successors, (1890), 9 states have internal predecessors, (1890), 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) [2021-03-25 14:34:40,683 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 210.0) internal successors, (1890), 9 states have internal predecessors, (1890), 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) [2021-03-25 14:34:40,683 INFO L185 Difference]: Start difference. First operand has 72 places, 72 transitions, 685 flow. Second operand 8 states and 1450 transitions. [2021-03-25 14:34:40,683 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 73 transitions, 733 flow [2021-03-25 14:34:40,697 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 73 transitions, 686 flow, removed 15 selfloop flow, removed 5 redundant places. [2021-03-25 14:34:40,700 INFO L241 Difference]: Finished difference. Result has 75 places, 55 transitions, 484 flow [2021-03-25 14:34:40,700 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=210, PETRI_DIFFERENCE_MINUEND_FLOW=590, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=484, PETRI_PLACES=75, PETRI_TRANSITIONS=55} [2021-03-25 14:34:40,700 INFO L343 CegarLoopForPetriNet]: 60 programPoint places, 15 predicate places. [2021-03-25 14:34:40,700 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:34:40,700 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 75 places, 55 transitions, 484 flow [2021-03-25 14:34:40,700 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 75 places, 55 transitions, 484 flow [2021-03-25 14:34:40,700 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 74 places, 55 transitions, 484 flow [2021-03-25 14:34:40,717 INFO L129 PetriNetUnfolder]: 93/263 cut-off events. [2021-03-25 14:34:40,717 INFO L130 PetriNetUnfolder]: For 701/745 co-relation queries the response was YES. [2021-03-25 14:34:40,718 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1117 conditions, 263 events. 93/263 cut-off events. For 701/745 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 1377 event pairs, 4 based on Foata normal form. 1/252 useless extension candidates. Maximal degree in co-relation 1085. Up to 86 conditions per place. [2021-03-25 14:34:40,719 INFO L142 LiptonReduction]: Number of co-enabled transitions 636 [2021-03-25 14:34:40,977 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-03-25 14:34:41,090 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-03-25 14:34:41,426 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2021-03-25 14:34:41,560 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2021-03-25 14:34:41,566 INFO L154 LiptonReduction]: Checked pairs total: 1713 [2021-03-25 14:34:41,566 INFO L156 LiptonReduction]: Total number of compositions: 4 [2021-03-25 14:34:41,566 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 866 [2021-03-25 14:34:41,567 INFO L480 AbstractCegarLoop]: Abstraction has has 71 places, 52 transitions, 477 flow [2021-03-25 14:34:41,567 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 178.85714285714286) internal successors, (1252), 7 states have internal predecessors, (1252), 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) [2021-03-25 14:34:41,567 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:34:41,567 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:34:41,567 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-25 14:34:41,567 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:34:41,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:34:41,568 INFO L82 PathProgramCache]: Analyzing trace with hash -1124967866, now seen corresponding path program 1 times [2021-03-25 14:34:41,568 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:34:41,568 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167730890] [2021-03-25 14:34:41,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:34:41,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:34:41,671 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-03-25 14:34:41,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 14:34:41,688 INFO L142 QuantifierPusher]: treesize reduction 6, result has 89.5 percent of original size [2021-03-25 14:34:41,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-25 14:34:41,720 INFO L142 QuantifierPusher]: treesize reduction 13, result has 64.9 percent of original size [2021-03-25 14:34:41,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 14:34:41,735 INFO L142 QuantifierPusher]: treesize reduction 21, result has 70.0 percent of original size [2021-03-25 14:34:41,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-25 14:34:41,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:34:41,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 14:34:41,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:34:41,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 14:34:41,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:34:41,781 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167730890] [2021-03-25 14:34:41,781 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:34:41,781 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-25 14:34:41,781 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250597517] [2021-03-25 14:34:41,781 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 14:34:41,781 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:34:41,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 14:34:41,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-03-25 14:34:41,784 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 213 [2021-03-25 14:34:41,784 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 52 transitions, 477 flow. Second operand has 8 states, 8 states have (on average 153.125) internal successors, (1225), 8 states have internal predecessors, (1225), 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) [2021-03-25 14:34:41,784 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:34:41,784 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 213 [2021-03-25 14:34:41,785 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:34:42,048 INFO L129 PetriNetUnfolder]: 524/1132 cut-off events. [2021-03-25 14:34:42,049 INFO L130 PetriNetUnfolder]: For 8025/8668 co-relation queries the response was YES. [2021-03-25 14:34:42,053 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4163 conditions, 1132 events. 524/1132 cut-off events. For 8025/8668 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 7808 event pairs, 38 based on Foata normal form. 95/1137 useless extension candidates. Maximal degree in co-relation 4129. Up to 329 conditions per place. [2021-03-25 14:34:42,055 INFO L132 encePairwiseOnDemand]: 207/213 looper letters, 15 selfloop transitions, 8 changer transitions 2/68 dead transitions. [2021-03-25 14:34:42,055 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 68 transitions, 609 flow [2021-03-25 14:34:42,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 14:34:42,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 14:34:42,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1088 transitions. [2021-03-25 14:34:42,058 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7297116029510395 [2021-03-25 14:34:42,058 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1088 transitions. [2021-03-25 14:34:42,058 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1088 transitions. [2021-03-25 14:34:42,059 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:34:42,059 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1088 transitions. [2021-03-25 14:34:42,061 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 155.42857142857142) internal successors, (1088), 7 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:34:42,063 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 213.0) internal successors, (1704), 8 states have internal predecessors, (1704), 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) [2021-03-25 14:34:42,063 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 213.0) internal successors, (1704), 8 states have internal predecessors, (1704), 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) [2021-03-25 14:34:42,063 INFO L185 Difference]: Start difference. First operand has 71 places, 52 transitions, 477 flow. Second operand 7 states and 1088 transitions. [2021-03-25 14:34:42,063 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 68 transitions, 609 flow [2021-03-25 14:34:42,080 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 68 transitions, 476 flow, removed 28 selfloop flow, removed 12 redundant places. [2021-03-25 14:34:42,081 INFO L241 Difference]: Finished difference. Result has 68 places, 56 transitions, 419 flow [2021-03-25 14:34:42,081 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=213, PETRI_DIFFERENCE_MINUEND_FLOW=358, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=419, PETRI_PLACES=68, PETRI_TRANSITIONS=56} [2021-03-25 14:34:42,082 INFO L343 CegarLoopForPetriNet]: 60 programPoint places, 8 predicate places. [2021-03-25 14:34:42,082 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:34:42,082 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 68 places, 56 transitions, 419 flow [2021-03-25 14:34:42,082 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 68 places, 56 transitions, 419 flow [2021-03-25 14:34:42,082 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 68 places, 56 transitions, 419 flow [2021-03-25 14:34:42,112 INFO L129 PetriNetUnfolder]: 237/549 cut-off events. [2021-03-25 14:34:42,112 INFO L130 PetriNetUnfolder]: For 1377/1492 co-relation queries the response was YES. [2021-03-25 14:34:42,114 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1713 conditions, 549 events. 237/549 cut-off events. For 1377/1492 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 3416 event pairs, 6 based on Foata normal form. 30/535 useless extension candidates. Maximal degree in co-relation 1686. Up to 175 conditions per place. [2021-03-25 14:34:42,116 INFO L142 LiptonReduction]: Number of co-enabled transitions 648 [2021-03-25 14:34:42,150 INFO L154 LiptonReduction]: Checked pairs total: 440 [2021-03-25 14:34:42,150 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:34:42,150 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 68 [2021-03-25 14:34:42,152 INFO L480 AbstractCegarLoop]: Abstraction has has 68 places, 56 transitions, 419 flow [2021-03-25 14:34:42,153 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 153.125) internal successors, (1225), 8 states have internal predecessors, (1225), 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) [2021-03-25 14:34:42,153 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:34:42,153 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:34:42,153 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-25 14:34:42,153 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:34:42,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:34:42,153 INFO L82 PathProgramCache]: Analyzing trace with hash -1241513112, now seen corresponding path program 1 times [2021-03-25 14:34:42,153 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:34:42,154 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634930050] [2021-03-25 14:34:42,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:34:42,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:34:42,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:34:42,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 14:34:42,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:34:42,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:34:42,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:34:42,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:34:42,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:34:42,236 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634930050] [2021-03-25 14:34:42,236 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:34:42,236 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 14:34:42,236 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123051068] [2021-03-25 14:34:42,237 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 14:34:42,237 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:34:42,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 14:34:42,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 14:34:42,238 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 213 [2021-03-25 14:34:42,238 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 56 transitions, 419 flow. Second operand has 4 states, 4 states have (on average 181.0) internal successors, (724), 4 states have internal predecessors, (724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:34:42,238 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:34:42,238 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 213 [2021-03-25 14:34:42,238 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:34:42,301 INFO L129 PetriNetUnfolder]: 359/833 cut-off events. [2021-03-25 14:34:42,301 INFO L130 PetriNetUnfolder]: For 3179/3513 co-relation queries the response was YES. [2021-03-25 14:34:42,304 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2607 conditions, 833 events. 359/833 cut-off events. For 3179/3513 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 5652 event pairs, 9 based on Foata normal form. 62/833 useless extension candidates. Maximal degree in co-relation 2578. Up to 271 conditions per place. [2021-03-25 14:34:42,312 INFO L132 encePairwiseOnDemand]: 210/213 looper letters, 5 selfloop transitions, 1 changer transitions 7/58 dead transitions. [2021-03-25 14:34:42,312 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 58 transitions, 456 flow [2021-03-25 14:34:42,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-25 14:34:42,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-25 14:34:42,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 726 transitions. [2021-03-25 14:34:42,314 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.852112676056338 [2021-03-25 14:34:42,314 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 726 transitions. [2021-03-25 14:34:42,314 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 726 transitions. [2021-03-25 14:34:42,314 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:34:42,314 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 726 transitions. [2021-03-25 14:34:42,315 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 181.5) internal successors, (726), 4 states have internal predecessors, (726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:34:42,316 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 213.0) internal successors, (1065), 5 states have internal predecessors, (1065), 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) [2021-03-25 14:34:42,316 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 213.0) internal successors, (1065), 5 states have internal predecessors, (1065), 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) [2021-03-25 14:34:42,316 INFO L185 Difference]: Start difference. First operand has 68 places, 56 transitions, 419 flow. Second operand 4 states and 726 transitions. [2021-03-25 14:34:42,317 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 58 transitions, 456 flow [2021-03-25 14:34:42,328 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 58 transitions, 449 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-25 14:34:42,329 INFO L241 Difference]: Finished difference. Result has 70 places, 51 transitions, 376 flow [2021-03-25 14:34:42,329 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=213, PETRI_DIFFERENCE_MINUEND_FLOW=412, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=376, PETRI_PLACES=70, PETRI_TRANSITIONS=51} [2021-03-25 14:34:42,329 INFO L343 CegarLoopForPetriNet]: 60 programPoint places, 10 predicate places. [2021-03-25 14:34:42,329 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:34:42,329 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 70 places, 51 transitions, 376 flow [2021-03-25 14:34:42,329 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 70 places, 51 transitions, 376 flow [2021-03-25 14:34:42,330 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 69 places, 51 transitions, 376 flow [2021-03-25 14:34:42,349 INFO L129 PetriNetUnfolder]: 129/332 cut-off events. [2021-03-25 14:34:42,349 INFO L130 PetriNetUnfolder]: For 1262/1347 co-relation queries the response was YES. [2021-03-25 14:34:42,350 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1056 conditions, 332 events. 129/332 cut-off events. For 1262/1347 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 1888 event pairs, 3 based on Foata normal form. 25/337 useless extension candidates. Maximal degree in co-relation 1028. Up to 107 conditions per place. [2021-03-25 14:34:42,351 INFO L142 LiptonReduction]: Number of co-enabled transitions 526 [2021-03-25 14:34:42,400 INFO L154 LiptonReduction]: Checked pairs total: 401 [2021-03-25 14:34:42,400 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 14:34:42,400 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 71 [2021-03-25 14:34:42,400 INFO L480 AbstractCegarLoop]: Abstraction has has 68 places, 50 transitions, 377 flow [2021-03-25 14:34:42,401 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 181.0) internal successors, (724), 4 states have internal predecessors, (724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:34:42,401 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:34:42,401 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:34:42,401 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-25 14:34:42,401 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:34:42,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:34:42,401 INFO L82 PathProgramCache]: Analyzing trace with hash 1139251056, now seen corresponding path program 1 times [2021-03-25 14:34:42,401 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:34:42,401 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386212729] [2021-03-25 14:34:42,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:34:42,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 14:34:42,469 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 14:34:42,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 14:34:42,524 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 14:34:42,545 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-25 14:34:42,545 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-25 14:34:42,545 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-25 14:34:42,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.03 02:34:42 BasicIcfg [2021-03-25 14:34:42,632 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-25 14:34:42,632 INFO L168 Benchmark]: Toolchain (without parser) took 15768.85 ms. Allocated memory was 343.9 MB in the beginning and 671.1 MB in the end (delta: 327.2 MB). Free memory was 307.5 MB in the beginning and 594.1 MB in the end (delta: -286.6 MB). Peak memory consumption was 43.2 MB. Max. memory is 16.0 GB. [2021-03-25 14:34:42,633 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 343.9 MB. Free memory was 325.5 MB in the beginning and 325.5 MB in the end (delta: 75.1 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-25 14:34:42,633 INFO L168 Benchmark]: CACSL2BoogieTranslator took 388.12 ms. Allocated memory is still 343.9 MB. Free memory was 307.3 MB in the beginning and 304.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 11.3 MB. Max. memory is 16.0 GB. [2021-03-25 14:34:42,633 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.29 ms. Allocated memory is still 343.9 MB. Free memory was 304.7 MB in the beginning and 302.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-25 14:34:42,633 INFO L168 Benchmark]: Boogie Preprocessor took 26.00 ms. Allocated memory is still 343.9 MB. Free memory was 302.6 MB in the beginning and 300.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-25 14:34:42,633 INFO L168 Benchmark]: RCFGBuilder took 1476.80 ms. Allocated memory is still 343.9 MB. Free memory was 300.5 MB in the beginning and 239.9 MB in the end (delta: 60.6 MB). Peak memory consumption was 172.8 MB. Max. memory is 16.0 GB. [2021-03-25 14:34:42,634 INFO L168 Benchmark]: TraceAbstraction took 13816.86 ms. Allocated memory was 343.9 MB in the beginning and 671.1 MB in the end (delta: 327.2 MB). Free memory was 238.9 MB in the beginning and 594.1 MB in the end (delta: -355.3 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-25 14:34:42,639 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 343.9 MB. Free memory was 325.5 MB in the beginning and 325.5 MB in the end (delta: 75.1 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 388.12 ms. Allocated memory is still 343.9 MB. Free memory was 307.3 MB in the beginning and 304.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 11.3 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 57.29 ms. Allocated memory is still 343.9 MB. Free memory was 304.7 MB in the beginning and 302.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 26.00 ms. Allocated memory is still 343.9 MB. Free memory was 302.6 MB in the beginning and 300.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1476.80 ms. Allocated memory is still 343.9 MB. Free memory was 300.5 MB in the beginning and 239.9 MB in the end (delta: 60.6 MB). Peak memory consumption was 172.8 MB. Max. memory is 16.0 GB. * TraceAbstraction took 13816.86 ms. Allocated memory was 343.9 MB in the beginning and 671.1 MB in the end (delta: 327.2 MB). Free memory was 238.9 MB in the beginning and 594.1 MB in the end (delta: -355.3 MB). There was no memory consumed. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2838.3ms, 126 PlacesBefore, 60 PlacesAfterwards, 115 TransitionsBefore, 48 TransitionsAfterwards, 2876 CoEnabledTransitionPairs, 5 FixpointIterations, 30 TrivialSequentialCompositions, 41 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 1 ChoiceCompositions, 75 TotalNumberOfCompositions, 5168 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2545, positive: 2433, positive conditional: 0, positive unconditional: 2433, negative: 112, negative conditional: 0, negative unconditional: 112, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1783, positive: 1738, positive conditional: 0, positive unconditional: 1738, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1783, positive: 1738, positive conditional: 0, positive unconditional: 1738, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1783, positive: 1728, positive conditional: 0, positive unconditional: 1728, negative: 55, negative conditional: 0, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 55, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 539, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 515, negative conditional: 0, negative unconditional: 515, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2545, positive: 695, positive conditional: 0, positive unconditional: 695, negative: 67, negative conditional: 0, negative unconditional: 67, unknown: 1783, unknown conditional: 0, unknown unconditional: 1783] , Statistics on independence cache: Total cache size (in pairs): 262, Positive cache size: 237, Positive conditional cache size: 0, Positive unconditional cache size: 237, Negative cache size: 25, Negative conditional cache size: 0, Negative unconditional cache size: 25 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1458.0ms, 56 PlacesBefore, 42 PlacesAfterwards, 45 TransitionsBefore, 31 TransitionsAfterwards, 618 CoEnabledTransitionPairs, 4 FixpointIterations, 9 TrivialSequentialCompositions, 5 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 14 TotalNumberOfCompositions, 2656 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 766, positive: 639, positive conditional: 0, positive unconditional: 639, negative: 127, negative conditional: 0, negative unconditional: 127, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 156, positive: 120, positive conditional: 0, positive unconditional: 120, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 156, positive: 120, positive conditional: 0, positive unconditional: 120, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 156, positive: 115, positive conditional: 0, positive unconditional: 115, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 41, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 305, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 290, negative conditional: 0, negative unconditional: 290, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 766, positive: 519, positive conditional: 0, positive unconditional: 519, negative: 91, negative conditional: 0, negative unconditional: 91, unknown: 156, unknown conditional: 0, unknown unconditional: 156] , Statistics on independence cache: Total cache size (in pairs): 266, Positive cache size: 232, Positive conditional cache size: 0, Positive unconditional cache size: 232, Negative cache size: 34, Negative conditional cache size: 0, Negative unconditional cache size: 34 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1498.2ms, 51 PlacesBefore, 45 PlacesAfterwards, 39 TransitionsBefore, 37 TransitionsAfterwards, 572 CoEnabledTransitionPairs, 3 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 1266 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 436, positive: 385, positive conditional: 0, positive unconditional: 385, negative: 51, negative conditional: 0, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 24, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 24, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 154, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 154, negative conditional: 0, negative unconditional: 154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 436, positive: 367, positive conditional: 0, positive unconditional: 367, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 24, unknown conditional: 0, unknown unconditional: 24] , Statistics on independence cache: Total cache size (in pairs): 290, Positive cache size: 250, Positive conditional cache size: 0, Positive unconditional cache size: 250, Negative cache size: 40, Negative conditional cache size: 0, Negative unconditional cache size: 40 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 73.2ms, 49 PlacesBefore, 49 PlacesAfterwards, 42 TransitionsBefore, 42 TransitionsAfterwards, 640 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 557 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 158, positive: 138, positive conditional: 0, positive unconditional: 138, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 24, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 158, positive: 134, positive conditional: 0, positive unconditional: 134, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , Statistics on independence cache: Total cache size (in pairs): 295, Positive cache size: 254, Positive conditional cache size: 0, Positive unconditional cache size: 254, Negative cache size: 41, Negative conditional cache size: 0, Negative unconditional cache size: 41 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 548.5ms, 55 PlacesBefore, 55 PlacesAfterwards, 51 TransitionsBefore, 50 TransitionsAfterwards, 976 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1115 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 259, positive: 227, positive conditional: 0, positive unconditional: 227, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 259, positive: 220, positive conditional: 0, positive unconditional: 220, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , Statistics on independence cache: Total cache size (in pairs): 278, Positive cache size: 241, Positive conditional cache size: 0, Positive unconditional cache size: 241, Negative cache size: 37, Negative conditional cache size: 0, Negative unconditional cache size: 37 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 588.8ms, 57 PlacesBefore, 57 PlacesAfterwards, 57 TransitionsBefore, 57 TransitionsAfterwards, 958 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 734 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 72, positive: 52, positive conditional: 0, positive unconditional: 52, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 7, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 122, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 122, negative conditional: 0, negative unconditional: 122, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 72, positive: 51, positive conditional: 0, positive unconditional: 51, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 8, unknown conditional: 0, unknown unconditional: 8] , Statistics on independence cache: Total cache size (in pairs): 286, Positive cache size: 242, Positive conditional cache size: 0, Positive unconditional cache size: 242, Negative cache size: 44, Negative conditional cache size: 0, Negative unconditional cache size: 44 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 688.4ms, 63 PlacesBefore, 63 PlacesAfterwards, 65 TransitionsBefore, 65 TransitionsAfterwards, 1128 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1205 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 162, positive: 133, positive conditional: 0, positive unconditional: 133, negative: 29, negative conditional: 0, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 12, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 162, positive: 127, positive conditional: 0, positive unconditional: 127, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , Statistics on independence cache: Total cache size (in pairs): 293, Positive cache size: 248, Positive conditional cache size: 0, Positive unconditional cache size: 248, Negative cache size: 45, Negative conditional cache size: 0, Negative unconditional cache size: 45 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1226.2ms, 71 PlacesBefore, 71 PlacesAfterwards, 69 TransitionsBefore, 68 TransitionsAfterwards, 1428 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 2715 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 947, positive: 887, positive conditional: 0, positive unconditional: 887, negative: 60, negative conditional: 0, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 947, positive: 837, positive conditional: 0, positive unconditional: 837, negative: 60, negative conditional: 0, negative unconditional: 60, unknown: 50, unknown conditional: 0, unknown unconditional: 50] , Statistics on independence cache: Total cache size (in pairs): 324, Positive cache size: 279, Positive conditional cache size: 0, Positive unconditional cache size: 279, Negative cache size: 45, Negative conditional cache size: 0, Negative unconditional cache size: 45 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 504.5ms, 72 PlacesBefore, 72 PlacesAfterwards, 73 TransitionsBefore, 72 TransitionsAfterwards, 1330 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 2925 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 610, positive: 544, positive conditional: 0, positive unconditional: 544, negative: 66, negative conditional: 0, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 9, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 9, positive: 9, positive conditional: 0, positive unconditional: 9, 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: 610, positive: 535, positive conditional: 0, positive unconditional: 535, negative: 66, negative conditional: 0, negative unconditional: 66, unknown: 9, unknown conditional: 0, unknown unconditional: 9] , Statistics on independence cache: Total cache size (in pairs): 314, Positive cache size: 269, Positive conditional cache size: 0, Positive unconditional cache size: 269, Negative cache size: 45, Negative conditional cache size: 0, Negative unconditional cache size: 45 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 866.1ms, 75 PlacesBefore, 71 PlacesAfterwards, 55 TransitionsBefore, 52 TransitionsAfterwards, 636 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 2 ConcurrentYvCompositions, 0 ChoiceCompositions, 4 TotalNumberOfCompositions, 1713 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 418, positive: 358, positive conditional: 0, positive unconditional: 358, negative: 60, negative conditional: 0, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 16, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 16, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 10, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 418, positive: 343, positive conditional: 0, positive unconditional: 343, negative: 59, negative conditional: 0, negative unconditional: 59, unknown: 16, unknown conditional: 0, unknown unconditional: 16] , Statistics on independence cache: Total cache size (in pairs): 273, Positive cache size: 246, Positive conditional cache size: 0, Positive unconditional cache size: 246, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 68.4ms, 68 PlacesBefore, 68 PlacesAfterwards, 56 TransitionsBefore, 56 TransitionsAfterwards, 648 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 440 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 87, positive: 71, positive conditional: 0, positive unconditional: 71, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 16, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 87, positive: 71, positive conditional: 0, positive unconditional: 71, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 274, Positive cache size: 246, Positive conditional cache size: 0, Positive unconditional cache size: 246, Negative cache size: 28, Negative conditional cache size: 0, Negative unconditional cache size: 28 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 70.7ms, 70 PlacesBefore, 68 PlacesAfterwards, 51 TransitionsBefore, 50 TransitionsAfterwards, 526 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 401 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 97, positive: 81, positive conditional: 0, positive unconditional: 81, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 97, positive: 79, positive conditional: 0, positive unconditional: 79, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 258, Positive cache size: 232, Positive conditional cache size: 0, Positive unconditional cache size: 232, Negative cache size: 26, Negative conditional cache size: 0, Negative unconditional cache size: 26 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p0_EAX = 0; [L714] 0 int __unbuffered_p3_EAX = 0; [L716] 0 int __unbuffered_p3_EBX = 0; [L718] 0 int a = 0; [L720] 0 int b = 0; [L721] 0 _Bool b$flush_delayed; [L722] 0 int b$mem_tmp; [L723] 0 _Bool b$r_buff0_thd0; [L724] 0 _Bool b$r_buff0_thd1; [L725] 0 _Bool b$r_buff0_thd2; [L726] 0 _Bool b$r_buff0_thd3; [L727] 0 _Bool b$r_buff0_thd4; [L728] 0 _Bool b$r_buff1_thd0; [L729] 0 _Bool b$r_buff1_thd1; [L730] 0 _Bool b$r_buff1_thd2; [L731] 0 _Bool b$r_buff1_thd3; [L732] 0 _Bool b$r_buff1_thd4; [L733] 0 _Bool b$read_delayed; [L734] 0 int *b$read_delayed_var; [L735] 0 int b$w_buff0; [L736] 0 _Bool b$w_buff0_used; [L737] 0 int b$w_buff1; [L738] 0 _Bool b$w_buff1_used; [L739] 0 _Bool main$tmp_guard0; [L740] 0 _Bool main$tmp_guard1; [L742] 0 int x = 0; [L744] 0 int y = 0; [L746] 0 int z = 0; [L747] 0 _Bool weak$$choice0; [L748] 0 _Bool weak$$choice2; [L869] 0 pthread_t t1217; [L870] FCALL, FORK 0 pthread_create(&t1217, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=0, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L752] 1 b$w_buff1 = b$w_buff0 [L753] 1 b$w_buff0 = 1 [L754] 1 b$w_buff1_used = b$w_buff0_used [L755] 1 b$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L757] 1 b$r_buff1_thd0 = b$r_buff0_thd0 [L758] 1 b$r_buff1_thd1 = b$r_buff0_thd1 [L759] 1 b$r_buff1_thd2 = b$r_buff0_thd2 [L760] 1 b$r_buff1_thd3 = b$r_buff0_thd3 [L761] 1 b$r_buff1_thd4 = b$r_buff0_thd4 [L762] 1 b$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L765] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L871] 0 pthread_t t1218; [L872] FCALL, FORK 0 pthread_create(&t1218, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L782] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L785] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0] [L788] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd2 ? b$w_buff1 : b) [L788] EXPR 2 b$w_buff1_used && b$r_buff1_thd2 ? b$w_buff1 : b [L788] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd2 ? b$w_buff1 : b) [L788] 2 b = b$w_buff0_used && b$r_buff0_thd2 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd2 ? b$w_buff1 : b) [L789] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 ? (_Bool)0 : b$w_buff0_used [L789] 2 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd2 ? (_Bool)0 : b$w_buff0_used [L790] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 || b$w_buff1_used && b$r_buff1_thd2 ? (_Bool)0 : b$w_buff1_used [L790] 2 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd2 || b$w_buff1_used && b$r_buff1_thd2 ? (_Bool)0 : b$w_buff1_used [L791] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 ? (_Bool)0 : b$r_buff0_thd2 [L791] 2 b$r_buff0_thd2 = b$w_buff0_used && b$r_buff0_thd2 ? (_Bool)0 : b$r_buff0_thd2 [L792] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 || b$w_buff1_used && b$r_buff1_thd2 ? (_Bool)0 : b$r_buff1_thd2 [L792] 2 b$r_buff1_thd2 = b$w_buff0_used && b$r_buff0_thd2 || b$w_buff1_used && b$r_buff1_thd2 ? (_Bool)0 : b$r_buff1_thd2 [L873] 0 pthread_t t1219; [L874] FCALL, FORK 0 pthread_create(&t1219, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0] [L802] 3 y = 2 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=0] [L805] 3 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=1] [L875] 0 pthread_t t1220; [L876] FCALL, FORK 0 pthread_create(&t1220, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=1] [L822] 4 z = 2 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=2] [L825] 4 a = 1 [L828] 4 __unbuffered_p3_EAX = a VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=2] [L831] 4 weak$$choice0 = __VERIFIER_nondet_bool() [L832] 4 weak$$choice2 = __VERIFIER_nondet_bool() [L833] 4 b$flush_delayed = weak$$choice2 [L834] 4 b$mem_tmp = b [L835] EXPR 4 !b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : b$w_buff1) [L835] 4 b = !b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : b$w_buff1) [L836] EXPR 4 weak$$choice2 ? b$w_buff0 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff0 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : b$w_buff0)) [L836] EXPR 4 !b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff0 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : b$w_buff0) [L836] EXPR 4 weak$$choice2 ? b$w_buff0 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff0 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : b$w_buff0)) [L836] 4 b$w_buff0 = weak$$choice2 ? b$w_buff0 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff0 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : b$w_buff0)) [L837] EXPR 4 weak$$choice2 ? b$w_buff1 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff1 : b$w_buff1)) [L837] EXPR 4 !b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff1 : b$w_buff1) [L837] EXPR 4 weak$$choice2 ? b$w_buff1 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff1 : b$w_buff1)) [L837] 4 b$w_buff1 = weak$$choice2 ? b$w_buff1 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff1 : b$w_buff1)) [L838] EXPR 4 weak$$choice2 ? b$w_buff0_used : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff0_used : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$w_buff0_used)) [L838] EXPR 4 !b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff0_used : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$w_buff0_used) [L838] EXPR 4 weak$$choice2 ? b$w_buff0_used : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff0_used : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$w_buff0_used)) [L838] 4 b$w_buff0_used = weak$$choice2 ? b$w_buff0_used : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff0_used : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$w_buff0_used)) [L839] EXPR 4 weak$$choice2 ? b$w_buff1_used : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1_used : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L839] EXPR 4 !b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1_used : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : (_Bool)0) [L839] EXPR 4 weak$$choice2 ? b$w_buff1_used : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1_used : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L839] 4 b$w_buff1_used = weak$$choice2 ? b$w_buff1_used : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1_used : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L840] EXPR 4 weak$$choice2 ? b$r_buff0_thd4 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$r_buff0_thd4 : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$r_buff0_thd4)) [L840] EXPR 4 !b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$r_buff0_thd4 : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$r_buff0_thd4) [L840] EXPR 4 weak$$choice2 ? b$r_buff0_thd4 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$r_buff0_thd4 : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$r_buff0_thd4)) [L840] 4 b$r_buff0_thd4 = weak$$choice2 ? b$r_buff0_thd4 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$r_buff0_thd4 : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$r_buff0_thd4)) [L841] EXPR 4 weak$$choice2 ? b$r_buff1_thd4 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$r_buff1_thd4 : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L841] EXPR 4 !b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$r_buff1_thd4 : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : (_Bool)0) [L841] EXPR 4 weak$$choice2 ? b$r_buff1_thd4 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$r_buff1_thd4 : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L841] 4 b$r_buff1_thd4 = weak$$choice2 ? b$r_buff1_thd4 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$r_buff1_thd4 : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L842] 4 __unbuffered_p3_EBX = b [L843] EXPR 4 b$flush_delayed ? b$mem_tmp : b [L843] 4 b = b$flush_delayed ? b$mem_tmp : b [L844] 4 b$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=2, z=2] [L768] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd1 ? b$w_buff1 : b) [L768] 1 b = b$w_buff0_used && b$r_buff0_thd1 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd1 ? b$w_buff1 : b) [L769] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 ? (_Bool)0 : b$w_buff0_used [L769] 1 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd1 ? (_Bool)0 : b$w_buff0_used [L770] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 || b$w_buff1_used && b$r_buff1_thd1 ? (_Bool)0 : b$w_buff1_used [L770] 1 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd1 || b$w_buff1_used && b$r_buff1_thd1 ? (_Bool)0 : b$w_buff1_used [L771] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 ? (_Bool)0 : b$r_buff0_thd1 [L771] 1 b$r_buff0_thd1 = b$w_buff0_used && b$r_buff0_thd1 ? (_Bool)0 : b$r_buff0_thd1 [L772] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 || b$w_buff1_used && b$r_buff1_thd1 ? (_Bool)0 : b$r_buff1_thd1 [L772] 1 b$r_buff1_thd1 = b$w_buff0_used && b$r_buff0_thd1 || b$w_buff1_used && b$r_buff1_thd1 ? (_Bool)0 : b$r_buff1_thd1 [L775] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L777] 1 return 0; [L795] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L797] 2 return 0; [L808] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd3 ? b$w_buff1 : b) [L808] EXPR 3 b$w_buff1_used && b$r_buff1_thd3 ? b$w_buff1 : b [L808] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd3 ? b$w_buff1 : b) [L808] 3 b = b$w_buff0_used && b$r_buff0_thd3 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd3 ? b$w_buff1 : b) [L809] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$w_buff0_used [L809] 3 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$w_buff0_used [L810] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 || b$w_buff1_used && b$r_buff1_thd3 ? (_Bool)0 : b$w_buff1_used [L810] 3 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd3 || b$w_buff1_used && b$r_buff1_thd3 ? (_Bool)0 : b$w_buff1_used [L811] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$r_buff0_thd3 [L811] 3 b$r_buff0_thd3 = b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$r_buff0_thd3 [L812] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 || b$w_buff1_used && b$r_buff1_thd3 ? (_Bool)0 : b$r_buff1_thd3 [L812] 3 b$r_buff1_thd3 = b$w_buff0_used && b$r_buff0_thd3 || b$w_buff1_used && b$r_buff1_thd3 ? (_Bool)0 : b$r_buff1_thd3 [L815] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L817] 3 return 0; [L847] EXPR 4 b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd4 ? b$w_buff1 : b) [L847] EXPR 4 b$w_buff1_used && b$r_buff1_thd4 ? b$w_buff1 : b [L847] EXPR 4 b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd4 ? b$w_buff1 : b) [L847] 4 b = b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd4 ? b$w_buff1 : b) [L848] EXPR 4 b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$w_buff0_used [L848] 4 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$w_buff0_used [L849] EXPR 4 b$w_buff0_used && b$r_buff0_thd4 || b$w_buff1_used && b$r_buff1_thd4 ? (_Bool)0 : b$w_buff1_used [L849] 4 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd4 || b$w_buff1_used && b$r_buff1_thd4 ? (_Bool)0 : b$w_buff1_used [L850] EXPR 4 b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$r_buff0_thd4 [L850] 4 b$r_buff0_thd4 = b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$r_buff0_thd4 [L851] EXPR 4 b$w_buff0_used && b$r_buff0_thd4 || b$w_buff1_used && b$r_buff1_thd4 ? (_Bool)0 : b$r_buff1_thd4 [L851] 4 b$r_buff1_thd4 = b$w_buff0_used && b$r_buff0_thd4 || b$w_buff1_used && b$r_buff1_thd4 ? (_Bool)0 : b$r_buff1_thd4 [L854] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L856] 4 return 0; [L878] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L3] COND FALSE 0 !(!cond) [L882] EXPR 0 b$w_buff0_used && b$r_buff0_thd0 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd0 ? b$w_buff1 : b) [L882] EXPR 0 b$w_buff1_used && b$r_buff1_thd0 ? b$w_buff1 : b [L882] EXPR 0 b$w_buff0_used && b$r_buff0_thd0 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd0 ? b$w_buff1 : b) [L882] 0 b = b$w_buff0_used && b$r_buff0_thd0 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd0 ? b$w_buff1 : b) [L883] EXPR 0 b$w_buff0_used && b$r_buff0_thd0 ? (_Bool)0 : b$w_buff0_used [L883] 0 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd0 ? (_Bool)0 : b$w_buff0_used [L884] EXPR 0 b$w_buff0_used && b$r_buff0_thd0 || b$w_buff1_used && b$r_buff1_thd0 ? (_Bool)0 : b$w_buff1_used [L884] 0 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd0 || b$w_buff1_used && b$r_buff1_thd0 ? (_Bool)0 : b$w_buff1_used [L885] EXPR 0 b$w_buff0_used && b$r_buff0_thd0 ? (_Bool)0 : b$r_buff0_thd0 [L885] 0 b$r_buff0_thd0 = b$w_buff0_used && b$r_buff0_thd0 ? (_Bool)0 : b$r_buff0_thd0 [L886] EXPR 0 b$w_buff0_used && b$r_buff0_thd0 || b$w_buff1_used && b$r_buff1_thd0 ? (_Bool)0 : b$r_buff1_thd0 [L886] 0 b$r_buff1_thd0 = b$w_buff0_used && b$r_buff0_thd0 || b$w_buff1_used && b$r_buff1_thd0 ? (_Bool)0 : b$r_buff1_thd0 [L889] 0 main$tmp_guard1 = !(y == 2 && z == 2 && __unbuffered_p0_EAX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=2, z=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 118 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 4.0ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 13631.6ms, OverallIterations: 12, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 1925.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 2894.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 82 SDtfs, 59 SDslu, 65 SDs, 0 SdLazy, 318 SolverSat, 84 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 266.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 283.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=695occurred in iteration=8, InterpolantAutomatonStates: 59, 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: 28.5ms SsaConstructionTime, 354.8ms SatisfiabilityAnalysisTime, 605.5ms InterpolantComputationTime, 241 NumberOfCodeBlocks, 241 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 204 ConstructedInterpolants, 0 QuantifiedInterpolants, 1489 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 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...