/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix002_rmo.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 16:36:58,832 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 16:36:58,837 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 16:36:58,895 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 16:36:58,896 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 16:36:58,897 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 16:36:58,899 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 16:36:58,902 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 16:36:58,904 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 16:36:58,905 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 16:36:58,907 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 16:36:58,908 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 16:36:58,909 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 16:36:58,910 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 16:36:58,912 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 16:36:58,913 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 16:36:58,914 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 16:36:58,915 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 16:36:58,918 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 16:36:58,920 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 16:36:58,922 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 16:36:58,928 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 16:36:58,929 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 16:36:58,930 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 16:36:58,934 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-28 16:36:58,938 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-28 16:36:58,939 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-28 16:36:58,940 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-28 16:36:58,941 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-28 16:36:58,943 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-28 16:36:58,943 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-28 16:36:58,944 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-28 16:36:58,944 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-28 16:36:58,945 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 16:36:58,946 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 16:36:58,947 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 16:36:58,948 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2021-04-28 16:36:58,977 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 16:36:58,977 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 16:36:58,979 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 16:36:58,979 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 16:36:58,979 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 16:36:58,980 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 16:36:58,980 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 16:36:58,980 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 16:36:58,980 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 16:36:58,981 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 16:36:58,981 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 16:36:58,981 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 16:36:58,981 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 16:36:58,982 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 16:36:58,982 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 16:36:58,982 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 16:36:58,982 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 16:36:58,982 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 16:36:58,983 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 16:36:58,983 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 16:36:58,983 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 16:36:58,984 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 16:36:58,984 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 16:36:58,984 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 16:36:58,984 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 16:36:58,985 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 16:36:58,985 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 16:36:58,985 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 16:36:58,985 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 16:36:58,986 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 16:36:58,986 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 16:36:59,420 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 16:36:59,464 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 16:36:59,468 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 16:36:59,469 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 16:36:59,470 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 16:36:59,473 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix002_rmo.oepc.i [2021-04-28 16:36:59,566 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e00e5d13e/55d2a05c14ea41c0a35b3aedb16a92fa/FLAG605dbcc8f [2021-04-28 16:37:00,377 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 16:37:00,377 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix002_rmo.oepc.i [2021-04-28 16:37:00,405 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e00e5d13e/55d2a05c14ea41c0a35b3aedb16a92fa/FLAG605dbcc8f [2021-04-28 16:37:00,655 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e00e5d13e/55d2a05c14ea41c0a35b3aedb16a92fa [2021-04-28 16:37:00,661 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 16:37:00,710 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 16:37:00,716 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 16:37:00,717 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 16:37:00,721 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 16:37:00,722 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 04:37:00" (1/1) ... [2021-04-28 16:37:00,725 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@382d6040 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 04:37:00, skipping insertion in model container [2021-04-28 16:37:00,725 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 04:37:00" (1/1) ... [2021-04-28 16:37:00,734 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 16:37:00,809 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 16:37:01,092 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/mix002_rmo.oepc.i[949,962] [2021-04-28 16:37:01,403 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 16:37:01,415 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 16:37:01,430 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/mix002_rmo.oepc.i[949,962] [2021-04-28 16:37:01,485 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 16:37:01,646 INFO L208 MainTranslator]: Completed translation [2021-04-28 16:37:01,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 04:37:01 WrapperNode [2021-04-28 16:37:01,647 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 16:37:01,648 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 16:37:01,649 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 16:37:01,649 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 16:37:01,657 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 04:37:01" (1/1) ... [2021-04-28 16:37:01,678 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 04:37:01" (1/1) ... [2021-04-28 16:37:01,711 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 16:37:01,712 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 16:37:01,712 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 16:37:01,712 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 16:37:01,725 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 04:37:01" (1/1) ... [2021-04-28 16:37:01,726 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 04:37:01" (1/1) ... [2021-04-28 16:37:01,733 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 04:37:01" (1/1) ... [2021-04-28 16:37:01,734 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 04:37:01" (1/1) ... [2021-04-28 16:37:01,750 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 04:37:01" (1/1) ... [2021-04-28 16:37:01,757 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 04:37:01" (1/1) ... [2021-04-28 16:37:01,762 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 04:37:01" (1/1) ... [2021-04-28 16:37:01,769 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 16:37:01,770 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 16:37:01,770 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 16:37:01,770 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 16:37:01,771 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 04:37:01" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 16:37:01,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 16:37:01,879 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 16:37:01,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 16:37:01,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 16:37:01,880 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 16:37:01,880 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 16:37:01,880 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 16:37:01,880 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 16:37:01,880 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-28 16:37:01,880 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-28 16:37:01,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 16:37:01,881 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 16:37:01,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 16:37:01,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 16:37:01,883 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-28 16:37:04,228 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 16:37:04,229 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 16:37:04,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 04:37:04 BoogieIcfgContainer [2021-04-28 16:37:04,231 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 16:37:04,234 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 16:37:04,234 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 16:37:04,238 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 16:37:04,238 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 04:37:00" (1/3) ... [2021-04-28 16:37:04,239 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f8c2f6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 04:37:04, skipping insertion in model container [2021-04-28 16:37:04,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 04:37:01" (2/3) ... [2021-04-28 16:37:04,240 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f8c2f6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 04:37:04, skipping insertion in model container [2021-04-28 16:37:04,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 04:37:04" (3/3) ... [2021-04-28 16:37:04,242 INFO L111 eAbstractionObserver]: Analyzing ICFG mix002_rmo.oepc.i [2021-04-28 16:37:04,251 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 16:37:04,257 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 16:37:04,258 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 16:37:04,301 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,302 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,302 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,302 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,302 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,303 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,303 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,303 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,303 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,303 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,304 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,304 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,304 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,304 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,305 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,305 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,305 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,305 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,305 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,306 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,306 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,306 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,306 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,307 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,307 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,307 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,307 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,308 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,308 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,308 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,309 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,309 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,309 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,309 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,310 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,310 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,310 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,310 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,311 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,311 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,311 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,311 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,312 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,312 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,312 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,312 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,312 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,312 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,313 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,313 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,313 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,313 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,314 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,314 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,314 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,314 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,315 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,315 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,315 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,315 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,316 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,316 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,316 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,316 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,316 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,317 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,317 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,317 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,317 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,317 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,318 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,318 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,318 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,318 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,318 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,318 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,318 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,319 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,319 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,319 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,319 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,319 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,320 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,320 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,320 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,320 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,320 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,320 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,321 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,321 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,321 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,321 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,321 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,321 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,321 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,322 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,322 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,322 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,322 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,322 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,322 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,323 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,323 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,323 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,323 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,323 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,326 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,326 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,326 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,326 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,326 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,327 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,327 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,327 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,327 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,327 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,327 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,328 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,328 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,328 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,328 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,328 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,329 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,329 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,329 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,329 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,329 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,329 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,329 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,330 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,330 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,330 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,330 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,330 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,330 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,331 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,331 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,331 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,331 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,331 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,331 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,331 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,332 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,332 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,334 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,334 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,334 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,334 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,335 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,335 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,335 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,335 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,336 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,336 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,336 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,336 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,336 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,336 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,337 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,337 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,337 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,337 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,340 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,340 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,340 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,340 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,341 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,341 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,341 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,341 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,341 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,342 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,342 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,342 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,344 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,344 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,345 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,345 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,345 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,345 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,345 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,345 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,346 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,346 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,347 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,348 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,348 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,348 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,348 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,348 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,349 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,349 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,349 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,349 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,349 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,349 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,350 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,350 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,350 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,350 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,350 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,350 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,351 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,351 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,351 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,351 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,351 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,352 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,352 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,352 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,352 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,352 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,352 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,353 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,353 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,353 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,353 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:37:04,354 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 16:37:04,374 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-04-28 16:37:04,396 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 16:37:04,397 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 16:37:04,397 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 16:37:04,397 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 16:37:04,397 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 16:37:04,397 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 16:37:04,397 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 16:37:04,397 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 16:37:04,412 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 115 places, 107 transitions, 229 flow [2021-04-28 16:37:04,463 INFO L129 PetriNetUnfolder]: 2/104 cut-off events. [2021-04-28 16:37:04,463 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 16:37:04,468 INFO L84 FinitePrefix]: Finished finitePrefix Result has 114 conditions, 104 events. 2/104 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 78 event pairs, 0 based on Foata normal form. 0/100 useless extension candidates. Maximal degree in co-relation 65. Up to 2 conditions per place. [2021-04-28 16:37:04,469 INFO L82 GeneralOperation]: Start removeDead. Operand has 115 places, 107 transitions, 229 flow [2021-04-28 16:37:04,476 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 112 places, 104 transitions, 217 flow [2021-04-28 16:37:04,478 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 16:37:04,495 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 112 places, 104 transitions, 217 flow [2021-04-28 16:37:04,499 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 112 places, 104 transitions, 217 flow [2021-04-28 16:37:04,502 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 112 places, 104 transitions, 217 flow [2021-04-28 16:37:04,528 INFO L129 PetriNetUnfolder]: 2/104 cut-off events. [2021-04-28 16:37:04,528 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 16:37:04,529 INFO L84 FinitePrefix]: Finished finitePrefix Result has 114 conditions, 104 events. 2/104 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 79 event pairs, 0 based on Foata normal form. 0/100 useless extension candidates. Maximal degree in co-relation 65. Up to 2 conditions per place. [2021-04-28 16:37:04,533 INFO L146 LiptonReduction]: Number of co-enabled transitions 2076 [2021-04-28 16:37:08,450 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 16:37:08,578 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 16:37:09,161 WARN L205 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 83 [2021-04-28 16:37:09,381 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 16:37:16,580 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 16:37:18,576 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-04-28 16:37:20,374 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-04-28 16:37:20,488 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-04-28 16:37:20,723 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-04-28 16:37:24,636 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-04-28 16:37:24,747 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-04-28 16:37:24,851 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-04-28 16:37:24,984 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-04-28 16:37:25,251 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 16:37:25,358 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 16:37:25,463 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 16:37:25,569 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 16:37:26,344 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 16:37:26,457 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 16:37:26,570 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 16:37:26,687 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 16:37:27,513 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 16:37:27,713 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 16:37:27,816 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 16:37:29,660 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 16:37:29,782 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 16:37:29,900 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 16:37:30,063 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 16:37:30,639 WARN L205 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 119 [2021-04-28 16:37:30,896 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2021-04-28 16:37:31,408 WARN L205 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 119 [2021-04-28 16:37:31,657 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2021-04-28 16:37:31,811 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 16:37:31,956 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 16:37:32,097 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 16:37:32,238 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 16:37:32,430 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 16:37:32,627 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 16:37:32,860 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 16:37:33,069 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 16:37:33,271 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 16:37:33,470 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 16:37:33,683 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 16:37:33,890 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 16:37:34,015 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 16:37:34,139 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 16:37:34,264 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 16:37:34,395 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 16:37:34,571 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 16:37:34,756 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 16:37:34,932 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 16:37:35,107 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 16:37:35,301 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 16:37:35,521 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 16:37:35,731 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 16:37:35,943 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 16:37:36,104 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 16:37:36,258 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 16:37:36,408 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 16:37:36,557 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 16:37:36,763 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 16:37:36,968 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 16:37:37,168 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 16:37:37,373 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 16:37:37,542 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 16:37:37,711 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 16:37:37,878 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 16:37:38,045 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 16:37:38,178 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 16:37:38,328 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 16:37:38,462 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 16:37:38,596 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 16:37:38,772 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 16:37:38,944 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 16:37:39,115 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 16:37:39,276 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 16:37:39,472 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 16:37:39,660 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 16:37:39,852 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 16:37:40,043 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 16:37:40,245 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 16:37:40,450 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 16:37:40,653 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 16:37:40,855 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 16:37:41,051 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 16:37:41,232 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 16:37:41,422 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 16:37:41,612 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 16:37:42,127 WARN L205 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 124 [2021-04-28 16:37:42,373 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-04-28 16:37:42,902 WARN L205 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 124 [2021-04-28 16:37:43,154 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-04-28 16:37:43,311 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 16:37:43,466 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 16:37:43,625 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 16:37:43,792 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 16:37:43,954 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 16:37:44,115 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 16:37:44,282 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 16:37:44,449 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 16:37:44,572 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 16:37:44,704 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 16:37:44,828 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 16:37:44,954 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 16:37:45,157 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 16:37:45,350 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 16:37:45,548 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 16:37:45,746 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 16:37:45,890 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 16:37:46,037 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 16:37:46,189 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 16:37:46,339 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 16:37:46,393 INFO L158 LiptonReduction]: Checked pairs total: 19494 [2021-04-28 16:37:46,394 INFO L160 LiptonReduction]: Total number of compositions: 256 [2021-04-28 16:37:46,407 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 41931 [2021-04-28 16:37:46,457 INFO L129 PetriNetUnfolder]: 0/61 cut-off events. [2021-04-28 16:37:46,457 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 16:37:46,457 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 16:37:46,461 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2021-04-28 16:37:46,462 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 16:37:46,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 16:37:46,472 INFO L82 PathProgramCache]: Analyzing trace with hash 1245016, now seen corresponding path program 1 times [2021-04-28 16:37:46,482 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 16:37:46,483 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000844229] [2021-04-28 16:37:46,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 16:37:46,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 16:37:46,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:37:46,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 16:37:46,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 16:37:46,833 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000844229] [2021-04-28 16:37:46,833 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 16:37:46,834 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 16:37:46,834 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028904875] [2021-04-28 16:37:46,844 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 16:37:46,845 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 16:37:46,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 16:37:46,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 16:37:46,865 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 281 out of 363 [2021-04-28 16:37:46,871 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 128 transitions, 265 flow. Second operand has 3 states, 3 states have (on average 281.6666666666667) internal successors, (845), 3 states have internal predecessors, (845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:37:46,871 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 16:37:46,871 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 281 of 363 [2021-04-28 16:37:46,873 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 16:37:47,110 INFO L129 PetriNetUnfolder]: 89/584 cut-off events. [2021-04-28 16:37:47,110 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 16:37:47,114 INFO L84 FinitePrefix]: Finished finitePrefix Result has 759 conditions, 584 events. 89/584 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 5029 event pairs, 56 based on Foata normal form. 58/241 useless extension candidates. Maximal degree in co-relation 682. Up to 129 conditions per place. [2021-04-28 16:37:47,119 INFO L132 encePairwiseOnDemand]: 341/363 looper letters, 9 selfloop transitions, 4 changer transitions 54/128 dead transitions. [2021-04-28 16:37:47,119 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 128 transitions, 321 flow [2021-04-28 16:37:47,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 16:37:47,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 16:37:47,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 877 transitions. [2021-04-28 16:37:47,140 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8053259871441689 [2021-04-28 16:37:47,141 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 877 transitions. [2021-04-28 16:37:47,141 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 877 transitions. [2021-04-28 16:37:47,145 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 16:37:47,147 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 877 transitions. [2021-04-28 16:37:47,153 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 292.3333333333333) internal successors, (877), 3 states have internal predecessors, (877), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:37:47,163 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 363.0) internal successors, (1452), 4 states have internal predecessors, (1452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:37:47,165 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 363.0) internal successors, (1452), 4 states have internal predecessors, (1452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:37:47,167 INFO L185 Difference]: Start difference. First operand has 137 places, 128 transitions, 265 flow. Second operand 3 states and 877 transitions. [2021-04-28 16:37:47,168 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 128 transitions, 321 flow [2021-04-28 16:37:47,172 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 128 transitions, 318 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-04-28 16:37:47,176 INFO L241 Difference]: Finished difference. Result has 133 places, 70 transitions, 154 flow [2021-04-28 16:37:47,178 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=363, PETRI_DIFFERENCE_MINUEND_FLOW=254, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=120, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=154, PETRI_PLACES=133, PETRI_TRANSITIONS=70} [2021-04-28 16:37:47,179 INFO L343 CegarLoopForPetriNet]: 137 programPoint places, -4 predicate places. [2021-04-28 16:37:47,179 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 16:37:47,179 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 133 places, 70 transitions, 154 flow [2021-04-28 16:37:47,180 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 133 places, 70 transitions, 154 flow [2021-04-28 16:37:47,180 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 79 places, 70 transitions, 154 flow [2021-04-28 16:37:47,191 INFO L129 PetriNetUnfolder]: 0/70 cut-off events. [2021-04-28 16:37:47,191 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 16:37:47,191 INFO L84 FinitePrefix]: Finished finitePrefix Result has 82 conditions, 70 events. 0/70 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 345 event pairs, 0 based on Foata normal form. 0/25 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2021-04-28 16:37:47,193 INFO L146 LiptonReduction]: Number of co-enabled transitions 2504 [2021-04-28 16:37:47,567 INFO L158 LiptonReduction]: Checked pairs total: 3276 [2021-04-28 16:37:47,568 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 16:37:47,568 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 389 [2021-04-28 16:37:47,571 INFO L480 AbstractCegarLoop]: Abstraction has has 79 places, 70 transitions, 154 flow [2021-04-28 16:37:47,572 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 281.6666666666667) internal successors, (845), 3 states have internal predecessors, (845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:37:47,572 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 16:37:47,572 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 16:37:47,572 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 16:37:47,573 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 16:37:47,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 16:37:47,573 INFO L82 PathProgramCache]: Analyzing trace with hash -373243957, now seen corresponding path program 1 times [2021-04-28 16:37:47,573 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 16:37:47,574 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116815368] [2021-04-28 16:37:47,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 16:37:47,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 16:37:47,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:37:47,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 16:37:47,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 16:37:47,672 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116815368] [2021-04-28 16:37:47,672 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 16:37:47,672 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 16:37:47,673 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031175217] [2021-04-28 16:37:47,674 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 16:37:47,674 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 16:37:47,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 16:37:47,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 16:37:47,677 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 269 out of 363 [2021-04-28 16:37:47,679 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 70 transitions, 154 flow. Second operand has 3 states, 3 states have (on average 269.6666666666667) internal successors, (809), 3 states have internal predecessors, (809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:37:47,679 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 16:37:47,679 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 269 of 363 [2021-04-28 16:37:47,680 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 16:37:47,816 INFO L129 PetriNetUnfolder]: 22/224 cut-off events. [2021-04-28 16:37:47,817 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 16:37:47,818 INFO L84 FinitePrefix]: Finished finitePrefix Result has 308 conditions, 224 events. 22/224 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 1687 event pairs, 0 based on Foata normal form. 0/114 useless extension candidates. Maximal degree in co-relation 299. Up to 49 conditions per place. [2021-04-28 16:37:47,819 INFO L132 encePairwiseOnDemand]: 358/363 looper letters, 1 selfloop transitions, 2 changer transitions 60/92 dead transitions. [2021-04-28 16:37:47,819 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 92 transitions, 296 flow [2021-04-28 16:37:47,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 16:37:47,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 16:37:47,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 855 transitions. [2021-04-28 16:37:47,823 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7851239669421488 [2021-04-28 16:37:47,823 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 855 transitions. [2021-04-28 16:37:47,823 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 855 transitions. [2021-04-28 16:37:47,824 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 16:37:47,824 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 855 transitions. [2021-04-28 16:37:47,827 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 285.0) internal successors, (855), 3 states have internal predecessors, (855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:37:47,830 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 363.0) internal successors, (1452), 4 states have internal predecessors, (1452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:37:47,832 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 363.0) internal successors, (1452), 4 states have internal predecessors, (1452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:37:47,832 INFO L185 Difference]: Start difference. First operand has 79 places, 70 transitions, 154 flow. Second operand 3 states and 855 transitions. [2021-04-28 16:37:47,833 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 92 transitions, 296 flow [2021-04-28 16:37:47,834 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 92 transitions, 288 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 16:37:47,836 INFO L241 Difference]: Finished difference. Result has 80 places, 32 transitions, 78 flow [2021-04-28 16:37:47,836 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=363, PETRI_DIFFERENCE_MINUEND_FLOW=146, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=78, PETRI_PLACES=80, PETRI_TRANSITIONS=32} [2021-04-28 16:37:47,837 INFO L343 CegarLoopForPetriNet]: 137 programPoint places, -57 predicate places. [2021-04-28 16:37:47,837 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 16:37:47,837 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 80 places, 32 transitions, 78 flow [2021-04-28 16:37:47,838 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 80 places, 32 transitions, 78 flow [2021-04-28 16:37:47,838 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 42 places, 32 transitions, 78 flow [2021-04-28 16:37:47,844 INFO L129 PetriNetUnfolder]: 0/32 cut-off events. [2021-04-28 16:37:47,844 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 16:37:47,844 INFO L84 FinitePrefix]: Finished finitePrefix Result has 45 conditions, 32 events. 0/32 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 76 event pairs, 0 based on Foata normal form. 0/24 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-04-28 16:37:47,845 INFO L146 LiptonReduction]: Number of co-enabled transitions 574 [2021-04-28 16:37:48,353 INFO L158 LiptonReduction]: Checked pairs total: 1462 [2021-04-28 16:37:48,353 INFO L160 LiptonReduction]: Total number of compositions: 1 [2021-04-28 16:37:48,353 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 516 [2021-04-28 16:37:48,355 INFO L480 AbstractCegarLoop]: Abstraction has has 42 places, 32 transitions, 78 flow [2021-04-28 16:37:48,356 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 269.6666666666667) internal successors, (809), 3 states have internal predecessors, (809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:37:48,357 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 16:37:48,357 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 16:37:48,357 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 16:37:48,357 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 16:37:48,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 16:37:48,358 INFO L82 PathProgramCache]: Analyzing trace with hash 2089713286, now seen corresponding path program 1 times [2021-04-28 16:37:48,358 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 16:37:48,358 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341304836] [2021-04-28 16:37:48,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 16:37:48,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 16:37:48,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:37:48,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 16:37:48,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 16:37:48,486 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341304836] [2021-04-28 16:37:48,486 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 16:37:48,486 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 16:37:48,486 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957925448] [2021-04-28 16:37:48,487 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 16:37:48,487 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 16:37:48,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 16:37:48,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 16:37:48,493 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 278 out of 364 [2021-04-28 16:37:48,496 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 32 transitions, 78 flow. Second operand has 3 states, 3 states have (on average 278.6666666666667) internal successors, (836), 3 states have internal predecessors, (836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:37:48,496 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 16:37:48,497 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 278 of 364 [2021-04-28 16:37:48,497 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 16:37:48,512 INFO L129 PetriNetUnfolder]: 0/32 cut-off events. [2021-04-28 16:37:48,512 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-04-28 16:37:48,512 INFO L84 FinitePrefix]: Finished finitePrefix Result has 49 conditions, 32 events. 0/32 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 79 event pairs, 0 based on Foata normal form. 1/25 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-04-28 16:37:48,513 INFO L132 encePairwiseOnDemand]: 361/364 looper letters, 1 selfloop transitions, 2 changer transitions 2/32 dead transitions. [2021-04-28 16:37:48,513 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 32 transitions, 84 flow [2021-04-28 16:37:48,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 16:37:48,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 16:37:48,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 838 transitions. [2021-04-28 16:37:48,516 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7673992673992674 [2021-04-28 16:37:48,516 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 838 transitions. [2021-04-28 16:37:48,517 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 838 transitions. [2021-04-28 16:37:48,517 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 16:37:48,518 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 838 transitions. [2021-04-28 16:37:48,520 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 279.3333333333333) internal successors, (838), 3 states have internal predecessors, (838), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:37:48,523 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 364.0) internal successors, (1456), 4 states have internal predecessors, (1456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:37:48,525 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 364.0) internal successors, (1456), 4 states have internal predecessors, (1456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:37:48,525 INFO L185 Difference]: Start difference. First operand has 42 places, 32 transitions, 78 flow. Second operand 3 states and 838 transitions. [2021-04-28 16:37:48,525 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 32 transitions, 84 flow [2021-04-28 16:37:48,526 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 32 transitions, 80 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 16:37:48,527 INFO L241 Difference]: Finished difference. Result has 43 places, 30 transitions, 78 flow [2021-04-28 16:37:48,527 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=364, PETRI_DIFFERENCE_MINUEND_FLOW=74, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=78, PETRI_PLACES=43, PETRI_TRANSITIONS=30} [2021-04-28 16:37:48,527 INFO L343 CegarLoopForPetriNet]: 137 programPoint places, -94 predicate places. [2021-04-28 16:37:48,527 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 16:37:48,528 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 43 places, 30 transitions, 78 flow [2021-04-28 16:37:48,528 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 43 places, 30 transitions, 78 flow [2021-04-28 16:37:48,529 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 41 places, 30 transitions, 78 flow [2021-04-28 16:37:48,533 INFO L129 PetriNetUnfolder]: 0/30 cut-off events. [2021-04-28 16:37:48,534 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-04-28 16:37:48,534 INFO L84 FinitePrefix]: Finished finitePrefix Result has 46 conditions, 30 events. 0/30 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 68 event pairs, 0 based on Foata normal form. 0/23 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-04-28 16:37:48,535 INFO L146 LiptonReduction]: Number of co-enabled transitions 492 [2021-04-28 16:37:48,703 INFO L158 LiptonReduction]: Checked pairs total: 1214 [2021-04-28 16:37:48,704 INFO L160 LiptonReduction]: Total number of compositions: 1 [2021-04-28 16:37:48,704 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 177 [2021-04-28 16:37:48,706 INFO L480 AbstractCegarLoop]: Abstraction has has 41 places, 30 transitions, 78 flow [2021-04-28 16:37:48,707 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 278.6666666666667) internal successors, (836), 3 states have internal predecessors, (836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:37:48,707 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 16:37:48,707 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 16:37:48,707 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 16:37:48,708 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 16:37:48,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 16:37:48,708 INFO L82 PathProgramCache]: Analyzing trace with hash 1732662861, now seen corresponding path program 1 times [2021-04-28 16:37:48,708 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 16:37:48,708 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804375835] [2021-04-28 16:37:48,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 16:37:48,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 16:37:48,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:37:48,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 16:37:48,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 16:37:48,772 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804375835] [2021-04-28 16:37:48,773 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 16:37:48,773 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 16:37:48,773 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665865118] [2021-04-28 16:37:48,774 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 16:37:48,774 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 16:37:48,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 16:37:48,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 16:37:48,776 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 273 out of 365 [2021-04-28 16:37:48,778 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 30 transitions, 78 flow. Second operand has 3 states, 3 states have (on average 273.6666666666667) internal successors, (821), 3 states have internal predecessors, (821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:37:48,778 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 16:37:48,778 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 273 of 365 [2021-04-28 16:37:48,778 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 16:37:48,789 INFO L129 PetriNetUnfolder]: 0/30 cut-off events. [2021-04-28 16:37:48,789 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-04-28 16:37:48,789 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50 conditions, 30 events. 0/30 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 76 event pairs, 0 based on Foata normal form. 1/24 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-04-28 16:37:48,790 INFO L132 encePairwiseOnDemand]: 362/365 looper letters, 1 selfloop transitions, 2 changer transitions 2/30 dead transitions. [2021-04-28 16:37:48,790 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 30 transitions, 84 flow [2021-04-28 16:37:48,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 16:37:48,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 16:37:48,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 823 transitions. [2021-04-28 16:37:48,793 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7515981735159817 [2021-04-28 16:37:48,793 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 823 transitions. [2021-04-28 16:37:48,794 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 823 transitions. [2021-04-28 16:37:48,794 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 16:37:48,794 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 823 transitions. [2021-04-28 16:37:48,797 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 274.3333333333333) internal successors, (823), 3 states have internal predecessors, (823), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:37:48,800 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 365.0) internal successors, (1460), 4 states have internal predecessors, (1460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:37:48,802 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 365.0) internal successors, (1460), 4 states have internal predecessors, (1460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:37:48,802 INFO L185 Difference]: Start difference. First operand has 41 places, 30 transitions, 78 flow. Second operand 3 states and 823 transitions. [2021-04-28 16:37:48,803 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 30 transitions, 84 flow [2021-04-28 16:37:48,803 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 30 transitions, 80 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 16:37:48,804 INFO L241 Difference]: Finished difference. Result has 42 places, 28 transitions, 78 flow [2021-04-28 16:37:48,805 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=365, PETRI_DIFFERENCE_MINUEND_FLOW=74, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=78, PETRI_PLACES=42, PETRI_TRANSITIONS=28} [2021-04-28 16:37:48,805 INFO L343 CegarLoopForPetriNet]: 137 programPoint places, -95 predicate places. [2021-04-28 16:37:48,805 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 16:37:48,805 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 28 transitions, 78 flow [2021-04-28 16:37:48,806 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 28 transitions, 78 flow [2021-04-28 16:37:48,806 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 28 transitions, 78 flow [2021-04-28 16:37:48,812 INFO L129 PetriNetUnfolder]: 0/28 cut-off events. [2021-04-28 16:37:48,815 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-04-28 16:37:48,815 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47 conditions, 28 events. 0/28 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 62 event pairs, 0 based on Foata normal form. 0/22 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-04-28 16:37:48,816 INFO L146 LiptonReduction]: Number of co-enabled transitions 422 [2021-04-28 16:37:48,908 INFO L158 LiptonReduction]: Checked pairs total: 994 [2021-04-28 16:37:48,908 INFO L160 LiptonReduction]: Total number of compositions: 1 [2021-04-28 16:37:48,909 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 104 [2021-04-28 16:37:48,921 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 28 transitions, 78 flow [2021-04-28 16:37:48,922 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 273.6666666666667) internal successors, (821), 3 states have internal predecessors, (821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:37:48,922 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 16:37:48,922 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 16:37:48,923 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 16:37:48,923 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 16:37:48,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 16:37:48,924 INFO L82 PathProgramCache]: Analyzing trace with hash -1811574504, now seen corresponding path program 1 times [2021-04-28 16:37:48,924 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 16:37:48,925 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625389516] [2021-04-28 16:37:48,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 16:37:48,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 16:37:49,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:37:49,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 16:37:49,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:37:49,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 16:37:49,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:37:49,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 16:37:49,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 16:37:49,038 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625389516] [2021-04-28 16:37:49,038 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 16:37:49,038 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 16:37:49,039 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731345648] [2021-04-28 16:37:49,039 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 16:37:49,039 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 16:37:49,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 16:37:49,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 16:37:49,042 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 271 out of 366 [2021-04-28 16:37:49,044 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 28 transitions, 78 flow. Second operand has 4 states, 4 states have (on average 271.75) internal successors, (1087), 4 states have internal predecessors, (1087), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:37:49,044 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 16:37:49,044 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 271 of 366 [2021-04-28 16:37:49,045 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 16:37:49,219 INFO L129 PetriNetUnfolder]: 432/764 cut-off events. [2021-04-28 16:37:49,219 INFO L130 PetriNetUnfolder]: For 189/189 co-relation queries the response was YES. [2021-04-28 16:37:49,222 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1656 conditions, 764 events. 432/764 cut-off events. For 189/189 co-relation queries the response was YES. Maximal size of possible extension queue 153. Compared 4658 event pairs, 216 based on Foata normal form. 64/449 useless extension candidates. Maximal degree in co-relation 1644. Up to 541 conditions per place. [2021-04-28 16:37:49,227 INFO L132 encePairwiseOnDemand]: 354/366 looper letters, 11 selfloop transitions, 10 changer transitions 19/56 dead transitions. [2021-04-28 16:37:49,227 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 56 transitions, 214 flow [2021-04-28 16:37:49,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 16:37:49,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 16:37:49,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1397 transitions. [2021-04-28 16:37:49,233 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7633879781420765 [2021-04-28 16:37:49,233 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1397 transitions. [2021-04-28 16:37:49,234 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1397 transitions. [2021-04-28 16:37:49,235 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 16:37:49,235 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1397 transitions. [2021-04-28 16:37:49,240 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 279.4) internal successors, (1397), 5 states have internal predecessors, (1397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:37:49,245 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 366.0) internal successors, (2196), 6 states have internal predecessors, (2196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:37:49,248 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 366.0) internal successors, (2196), 6 states have internal predecessors, (2196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:37:49,248 INFO L185 Difference]: Start difference. First operand has 40 places, 28 transitions, 78 flow. Second operand 5 states and 1397 transitions. [2021-04-28 16:37:49,248 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 56 transitions, 214 flow [2021-04-28 16:37:49,252 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 56 transitions, 210 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 16:37:49,254 INFO L241 Difference]: Finished difference. Result has 45 places, 37 transitions, 164 flow [2021-04-28 16:37:49,254 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=366, PETRI_DIFFERENCE_MINUEND_FLOW=74, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=164, PETRI_PLACES=45, PETRI_TRANSITIONS=37} [2021-04-28 16:37:49,254 INFO L343 CegarLoopForPetriNet]: 137 programPoint places, -92 predicate places. [2021-04-28 16:37:49,254 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 16:37:49,255 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 37 transitions, 164 flow [2021-04-28 16:37:49,255 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 37 transitions, 164 flow [2021-04-28 16:37:49,256 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 43 places, 37 transitions, 164 flow [2021-04-28 16:37:49,324 INFO L129 PetriNetUnfolder]: 351/597 cut-off events. [2021-04-28 16:37:49,325 INFO L130 PetriNetUnfolder]: For 280/280 co-relation queries the response was YES. [2021-04-28 16:37:49,326 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1755 conditions, 597 events. 351/597 cut-off events. For 280/280 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 3231 event pairs, 189 based on Foata normal form. 0/313 useless extension candidates. Maximal degree in co-relation 1742. Up to 478 conditions per place. [2021-04-28 16:37:49,333 INFO L146 LiptonReduction]: Number of co-enabled transitions 476 [2021-04-28 16:37:49,485 INFO L158 LiptonReduction]: Checked pairs total: 568 [2021-04-28 16:37:49,485 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 16:37:49,485 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 231 [2021-04-28 16:37:49,487 INFO L480 AbstractCegarLoop]: Abstraction has has 43 places, 37 transitions, 164 flow [2021-04-28 16:37:49,488 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 271.75) internal successors, (1087), 4 states have internal predecessors, (1087), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:37:49,488 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 16:37:49,488 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 16:37:49,489 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 16:37:49,489 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 16:37:49,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 16:37:49,489 INFO L82 PathProgramCache]: Analyzing trace with hash -2111026844, now seen corresponding path program 1 times [2021-04-28 16:37:49,489 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 16:37:49,490 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740813540] [2021-04-28 16:37:49,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 16:37:49,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 16:37:49,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:37:49,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 16:37:49,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:37:49,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 16:37:49,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:37:49,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 16:37:49,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:37:49,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 16:37:49,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 16:37:49,575 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740813540] [2021-04-28 16:37:49,576 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 16:37:49,576 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 16:37:49,576 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663931059] [2021-04-28 16:37:49,576 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 16:37:49,576 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 16:37:49,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 16:37:49,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 16:37:49,580 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 271 out of 366 [2021-04-28 16:37:49,582 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 37 transitions, 164 flow. Second operand has 5 states, 5 states have (on average 271.8) internal successors, (1359), 5 states have internal predecessors, (1359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:37:49,582 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 16:37:49,582 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 271 of 366 [2021-04-28 16:37:49,583 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 16:37:49,813 INFO L129 PetriNetUnfolder]: 324/628 cut-off events. [2021-04-28 16:37:49,813 INFO L130 PetriNetUnfolder]: For 392/446 co-relation queries the response was YES. [2021-04-28 16:37:49,815 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2421 conditions, 628 events. 324/628 cut-off events. For 392/446 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 3740 event pairs, 54 based on Foata normal form. 67/393 useless extension candidates. Maximal degree in co-relation 2406. Up to 505 conditions per place. [2021-04-28 16:37:49,820 INFO L132 encePairwiseOnDemand]: 354/366 looper letters, 11 selfloop transitions, 19 changer transitions 19/65 dead transitions. [2021-04-28 16:37:49,820 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 65 transitions, 428 flow [2021-04-28 16:37:49,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-28 16:37:49,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-28 16:37:49,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1677 transitions. [2021-04-28 16:37:49,827 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7636612021857924 [2021-04-28 16:37:49,827 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1677 transitions. [2021-04-28 16:37:49,827 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1677 transitions. [2021-04-28 16:37:49,829 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 16:37:49,829 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1677 transitions. [2021-04-28 16:37:49,834 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 279.5) internal successors, (1677), 6 states have internal predecessors, (1677), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:37:49,840 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 366.0) internal successors, (2562), 7 states have internal predecessors, (2562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:37:49,841 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 366.0) internal successors, (2562), 7 states have internal predecessors, (2562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:37:49,841 INFO L185 Difference]: Start difference. First operand has 43 places, 37 transitions, 164 flow. Second operand 6 states and 1677 transitions. [2021-04-28 16:37:49,841 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 65 transitions, 428 flow [2021-04-28 16:37:49,848 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 65 transitions, 416 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-04-28 16:37:49,851 INFO L241 Difference]: Finished difference. Result has 49 places, 46 transitions, 304 flow [2021-04-28 16:37:49,851 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=366, PETRI_DIFFERENCE_MINUEND_FLOW=152, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=304, PETRI_PLACES=49, PETRI_TRANSITIONS=46} [2021-04-28 16:37:49,851 INFO L343 CegarLoopForPetriNet]: 137 programPoint places, -88 predicate places. [2021-04-28 16:37:49,852 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 16:37:49,852 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 49 places, 46 transitions, 304 flow [2021-04-28 16:37:49,852 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 49 places, 46 transitions, 304 flow [2021-04-28 16:37:49,853 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 47 places, 46 transitions, 304 flow [2021-04-28 16:37:49,924 INFO L129 PetriNetUnfolder]: 243/482 cut-off events. [2021-04-28 16:37:49,925 INFO L130 PetriNetUnfolder]: For 563/608 co-relation queries the response was YES. [2021-04-28 16:37:49,926 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2135 conditions, 482 events. 243/482 cut-off events. For 563/608 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 2771 event pairs, 54 based on Foata normal form. 2/272 useless extension candidates. Maximal degree in co-relation 2119. Up to 361 conditions per place. [2021-04-28 16:37:49,933 INFO L146 LiptonReduction]: Number of co-enabled transitions 476 [2021-04-28 16:37:49,939 INFO L158 LiptonReduction]: Checked pairs total: 781 [2021-04-28 16:37:49,939 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 16:37:49,939 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 87 [2021-04-28 16:37:49,940 INFO L480 AbstractCegarLoop]: Abstraction has has 47 places, 46 transitions, 304 flow [2021-04-28 16:37:49,941 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 271.8) internal successors, (1359), 5 states have internal predecessors, (1359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:37:49,941 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 16:37:49,942 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 16:37:49,942 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 16:37:49,942 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 16:37:49,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 16:37:49,943 INFO L82 PathProgramCache]: Analyzing trace with hash 187482039, now seen corresponding path program 1 times [2021-04-28 16:37:49,943 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 16:37:49,943 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988150240] [2021-04-28 16:37:49,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 16:37:49,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 16:37:50,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:37:50,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 16:37:50,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:37:50,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 16:37:50,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:37:50,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 16:37:50,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:37:50,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 16:37:50,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:37:50,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 16:37:50,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 16:37:50,055 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988150240] [2021-04-28 16:37:50,056 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 16:37:50,056 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 16:37:50,056 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782108288] [2021-04-28 16:37:50,056 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 16:37:50,056 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 16:37:50,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 16:37:50,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-28 16:37:50,061 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 271 out of 366 [2021-04-28 16:37:50,063 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 46 transitions, 304 flow. Second operand has 6 states, 6 states have (on average 271.8333333333333) internal successors, (1631), 6 states have internal predecessors, (1631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:37:50,063 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 16:37:50,064 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 271 of 366 [2021-04-28 16:37:50,064 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 16:37:50,271 INFO L129 PetriNetUnfolder]: 135/349 cut-off events. [2021-04-28 16:37:50,271 INFO L130 PetriNetUnfolder]: For 480/588 co-relation queries the response was YES. [2021-04-28 16:37:50,272 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1830 conditions, 349 events. 135/349 cut-off events. For 480/588 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 2030 event pairs, 0 based on Foata normal form. 62/253 useless extension candidates. Maximal degree in co-relation 1812. Up to 280 conditions per place. [2021-04-28 16:37:50,275 INFO L132 encePairwiseOnDemand]: 354/366 looper letters, 2 selfloop transitions, 28 changer transitions 10/56 dead transitions. [2021-04-28 16:37:50,275 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 56 transitions, 480 flow [2021-04-28 16:37:50,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 16:37:50,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 16:37:50,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1939 transitions. [2021-04-28 16:37:50,283 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7568306010928961 [2021-04-28 16:37:50,283 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1939 transitions. [2021-04-28 16:37:50,283 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1939 transitions. [2021-04-28 16:37:50,285 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 16:37:50,285 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1939 transitions. [2021-04-28 16:37:50,290 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 277.0) internal successors, (1939), 7 states have internal predecessors, (1939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:37:50,296 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 366.0) internal successors, (2928), 8 states have internal predecessors, (2928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:37:50,298 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 366.0) internal successors, (2928), 8 states have internal predecessors, (2928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:37:50,298 INFO L185 Difference]: Start difference. First operand has 47 places, 46 transitions, 304 flow. Second operand 7 states and 1939 transitions. [2021-04-28 16:37:50,298 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 56 transitions, 480 flow [2021-04-28 16:37:50,306 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 56 transitions, 372 flow, removed 41 selfloop flow, removed 7 redundant places. [2021-04-28 16:37:50,307 INFO L241 Difference]: Finished difference. Result has 49 places, 46 transitions, 294 flow [2021-04-28 16:37:50,308 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=366, PETRI_DIFFERENCE_MINUEND_FLOW=214, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=294, PETRI_PLACES=49, PETRI_TRANSITIONS=46} [2021-04-28 16:37:50,308 INFO L343 CegarLoopForPetriNet]: 137 programPoint places, -88 predicate places. [2021-04-28 16:37:50,308 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 16:37:50,308 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 49 places, 46 transitions, 294 flow [2021-04-28 16:37:50,309 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 49 places, 46 transitions, 294 flow [2021-04-28 16:37:50,309 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 47 places, 46 transitions, 294 flow [2021-04-28 16:37:50,346 INFO L129 PetriNetUnfolder]: 81/241 cut-off events. [2021-04-28 16:37:50,346 INFO L130 PetriNetUnfolder]: For 246/284 co-relation queries the response was YES. [2021-04-28 16:37:50,347 INFO L84 FinitePrefix]: Finished finitePrefix Result has 959 conditions, 241 events. 81/241 cut-off events. For 246/284 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 1391 event pairs, 0 based on Foata normal form. 1/138 useless extension candidates. Maximal degree in co-relation 945. Up to 163 conditions per place. [2021-04-28 16:37:50,350 INFO L146 LiptonReduction]: Number of co-enabled transitions 406 [2021-04-28 16:37:50,493 INFO L158 LiptonReduction]: Checked pairs total: 806 [2021-04-28 16:37:50,493 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 16:37:50,493 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 185 [2021-04-28 16:37:50,495 INFO L480 AbstractCegarLoop]: Abstraction has has 47 places, 46 transitions, 294 flow [2021-04-28 16:37:50,496 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 271.8333333333333) internal successors, (1631), 6 states have internal predecessors, (1631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:37:50,496 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 16:37:50,496 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] [2021-04-28 16:37:50,496 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 16:37:50,496 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 16:37:50,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 16:37:50,497 INFO L82 PathProgramCache]: Analyzing trace with hash -827208476, now seen corresponding path program 1 times [2021-04-28 16:37:50,497 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 16:37:50,497 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153015127] [2021-04-28 16:37:50,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 16:37:50,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 16:37:50,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:37:50,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 16:37:50,689 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size [2021-04-28 16:37:50,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-28 16:37:50,715 INFO L142 QuantifierPusher]: treesize reduction 29, result has 56.1 percent of original size [2021-04-28 16:37:50,717 INFO L147 QuantifierPusher]: treesize reduction 8, result has 78.4 percent of original size 29 [2021-04-28 16:37:50,750 INFO L142 QuantifierPusher]: treesize reduction 17, result has 70.2 percent of original size [2021-04-28 16:37:50,752 INFO L147 QuantifierPusher]: treesize reduction 9, result has 77.5 percent of original size 31 [2021-04-28 16:37:50,782 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-04-28 16:37:50,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-28 16:37:50,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 16:37:50,802 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153015127] [2021-04-28 16:37:50,803 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 16:37:50,803 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 16:37:50,803 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268295669] [2021-04-28 16:37:50,804 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-28 16:37:50,804 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 16:37:50,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-28 16:37:50,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-04-28 16:37:50,809 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 366 [2021-04-28 16:37:50,810 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 46 transitions, 294 flow. Second operand has 7 states, 7 states have (on average 171.71428571428572) internal successors, (1202), 7 states have internal predecessors, (1202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:37:50,810 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 16:37:50,811 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 366 [2021-04-28 16:37:50,811 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 16:37:51,282 INFO L129 PetriNetUnfolder]: 474/1131 cut-off events. [2021-04-28 16:37:51,282 INFO L130 PetriNetUnfolder]: For 1332/1899 co-relation queries the response was YES. [2021-04-28 16:37:51,286 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4274 conditions, 1131 events. 474/1131 cut-off events. For 1332/1899 co-relation queries the response was YES. Maximal size of possible extension queue 198. Compared 8475 event pairs, 27 based on Foata normal form. 27/603 useless extension candidates. Maximal degree in co-relation 4258. Up to 685 conditions per place. [2021-04-28 16:37:51,294 INFO L132 encePairwiseOnDemand]: 356/366 looper letters, 19 selfloop transitions, 15 changer transitions 3/71 dead transitions. [2021-04-28 16:37:51,294 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 71 transitions, 430 flow [2021-04-28 16:37:51,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 16:37:51,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 16:37:51,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1228 transitions. [2021-04-28 16:37:51,300 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.47931303669008585 [2021-04-28 16:37:51,300 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1228 transitions. [2021-04-28 16:37:51,300 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1228 transitions. [2021-04-28 16:37:51,301 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 16:37:51,301 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1228 transitions. [2021-04-28 16:37:51,304 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 175.42857142857142) internal successors, (1228), 7 states have internal predecessors, (1228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:37:51,310 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 366.0) internal successors, (2928), 8 states have internal predecessors, (2928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:37:51,311 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 366.0) internal successors, (2928), 8 states have internal predecessors, (2928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:37:51,311 INFO L185 Difference]: Start difference. First operand has 47 places, 46 transitions, 294 flow. Second operand 7 states and 1228 transitions. [2021-04-28 16:37:51,311 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 71 transitions, 430 flow [2021-04-28 16:37:51,373 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 71 transitions, 320 flow, removed 36 selfloop flow, removed 6 redundant places. [2021-04-28 16:37:51,375 INFO L241 Difference]: Finished difference. Result has 51 places, 59 transitions, 293 flow [2021-04-28 16:37:51,375 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=366, PETRI_DIFFERENCE_MINUEND_FLOW=196, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=293, PETRI_PLACES=51, PETRI_TRANSITIONS=59} [2021-04-28 16:37:51,375 INFO L343 CegarLoopForPetriNet]: 137 programPoint places, -86 predicate places. [2021-04-28 16:37:51,375 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 16:37:51,376 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 51 places, 59 transitions, 293 flow [2021-04-28 16:37:51,376 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 51 places, 59 transitions, 293 flow [2021-04-28 16:37:51,376 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 51 places, 59 transitions, 293 flow [2021-04-28 16:37:51,485 INFO L129 PetriNetUnfolder]: 363/870 cut-off events. [2021-04-28 16:37:51,485 INFO L130 PetriNetUnfolder]: For 388/398 co-relation queries the response was YES. [2021-04-28 16:37:51,489 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2329 conditions, 870 events. 363/870 cut-off events. For 388/398 co-relation queries the response was YES. Maximal size of possible extension queue 155. Compared 6473 event pairs, 1 based on Foata normal form. 1/420 useless extension candidates. Maximal degree in co-relation 2314. Up to 388 conditions per place. [2021-04-28 16:37:51,498 INFO L146 LiptonReduction]: Number of co-enabled transitions 600 [2021-04-28 16:37:51,642 INFO L158 LiptonReduction]: Checked pairs total: 306 [2021-04-28 16:37:51,642 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 16:37:51,642 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 267 [2021-04-28 16:37:51,644 INFO L480 AbstractCegarLoop]: Abstraction has has 51 places, 59 transitions, 293 flow [2021-04-28 16:37:51,645 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 171.71428571428572) internal successors, (1202), 7 states have internal predecessors, (1202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:37:51,645 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 16:37:51,645 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] [2021-04-28 16:37:51,645 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-28 16:37:51,645 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 16:37:51,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 16:37:51,646 INFO L82 PathProgramCache]: Analyzing trace with hash -636688658, now seen corresponding path program 1 times [2021-04-28 16:37:51,646 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 16:37:51,646 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005225597] [2021-04-28 16:37:51,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 16:37:51,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 16:37:51,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:37:51,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 16:37:51,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:37:51,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 16:37:51,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:37:51,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 16:37:51,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 16:37:51,804 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005225597] [2021-04-28 16:37:51,804 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 16:37:51,804 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 16:37:51,804 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980674496] [2021-04-28 16:37:51,805 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 16:37:51,805 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 16:37:51,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 16:37:51,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 16:37:51,808 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 366 [2021-04-28 16:37:51,809 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 59 transitions, 293 flow. Second operand has 4 states, 4 states have (on average 247.0) internal successors, (988), 4 states have internal predecessors, (988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:37:51,809 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 16:37:51,809 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 366 [2021-04-28 16:37:51,809 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 16:37:52,032 INFO L129 PetriNetUnfolder]: 820/1637 cut-off events. [2021-04-28 16:37:52,033 INFO L130 PetriNetUnfolder]: For 765/783 co-relation queries the response was YES. [2021-04-28 16:37:52,038 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4322 conditions, 1637 events. 820/1637 cut-off events. For 765/783 co-relation queries the response was YES. Maximal size of possible extension queue 315. Compared 12262 event pairs, 1 based on Foata normal form. 27/782 useless extension candidates. Maximal degree in co-relation 4305. Up to 784 conditions per place. [2021-04-28 16:37:52,045 INFO L132 encePairwiseOnDemand]: 363/366 looper letters, 3 selfloop transitions, 1 changer transitions 8/60 dead transitions. [2021-04-28 16:37:52,045 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 60 transitions, 315 flow [2021-04-28 16:37:52,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 16:37:52,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 16:37:52,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 990 transitions. [2021-04-28 16:37:52,049 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6762295081967213 [2021-04-28 16:37:52,049 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 990 transitions. [2021-04-28 16:37:52,049 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 990 transitions. [2021-04-28 16:37:52,050 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 16:37:52,050 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 990 transitions. [2021-04-28 16:37:52,053 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 247.5) internal successors, (990), 4 states have internal predecessors, (990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:37:52,057 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 366.0) internal successors, (1830), 5 states have internal predecessors, (1830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:37:52,058 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 366.0) internal successors, (1830), 5 states have internal predecessors, (1830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:37:52,058 INFO L185 Difference]: Start difference. First operand has 51 places, 59 transitions, 293 flow. Second operand 4 states and 990 transitions. [2021-04-28 16:37:52,059 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 60 transitions, 315 flow [2021-04-28 16:37:52,075 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 60 transitions, 314 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 16:37:52,076 INFO L241 Difference]: Finished difference. Result has 55 places, 52 transitions, 263 flow [2021-04-28 16:37:52,077 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=366, PETRI_DIFFERENCE_MINUEND_FLOW=292, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=263, PETRI_PLACES=55, PETRI_TRANSITIONS=52} [2021-04-28 16:37:52,077 INFO L343 CegarLoopForPetriNet]: 137 programPoint places, -82 predicate places. [2021-04-28 16:37:52,077 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 16:37:52,077 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 55 places, 52 transitions, 263 flow [2021-04-28 16:37:52,078 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 55 places, 52 transitions, 263 flow [2021-04-28 16:37:52,079 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 52 places, 52 transitions, 263 flow [2021-04-28 16:37:52,156 INFO L129 PetriNetUnfolder]: 248/615 cut-off events. [2021-04-28 16:37:52,157 INFO L130 PetriNetUnfolder]: For 301/302 co-relation queries the response was YES. [2021-04-28 16:37:52,159 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1687 conditions, 615 events. 248/615 cut-off events. For 301/302 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 4221 event pairs, 0 based on Foata normal form. 1/307 useless extension candidates. Maximal degree in co-relation 1670. Up to 271 conditions per place. [2021-04-28 16:37:52,165 INFO L146 LiptonReduction]: Number of co-enabled transitions 394 [2021-04-28 16:37:52,335 INFO L158 LiptonReduction]: Checked pairs total: 285 [2021-04-28 16:37:52,335 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 16:37:52,335 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 258 [2021-04-28 16:37:52,336 INFO L480 AbstractCegarLoop]: Abstraction has has 52 places, 52 transitions, 263 flow [2021-04-28 16:37:52,337 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 247.0) internal successors, (988), 4 states have internal predecessors, (988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:37:52,337 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 16:37:52,337 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] [2021-04-28 16:37:52,337 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-28 16:37:52,338 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 16:37:52,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 16:37:52,338 INFO L82 PathProgramCache]: Analyzing trace with hash 583625444, now seen corresponding path program 2 times [2021-04-28 16:37:52,338 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 16:37:52,338 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271975533] [2021-04-28 16:37:52,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 16:37:52,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 16:37:52,523 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 16:37:52,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 16:37:52,596 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 16:37:52,634 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-28 16:37:52,634 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-28 16:37:52,635 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-04-28 16:37:52,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.04 04:37:52 BasicIcfg [2021-04-28 16:37:52,743 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-28 16:37:52,744 INFO L168 Benchmark]: Toolchain (without parser) took 52080.01 ms. Allocated memory was 302.0 MB in the beginning and 828.4 MB in the end (delta: 526.4 MB). Free memory was 275.5 MB in the beginning and 754.3 MB in the end (delta: -478.8 MB). Peak memory consumption was 49.2 MB. Max. memory is 16.0 GB. [2021-04-28 16:37:52,744 INFO L168 Benchmark]: CDTParser took 0.76 ms. Allocated memory is still 302.0 MB. Free memory is still 272.9 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-04-28 16:37:52,744 INFO L168 Benchmark]: CACSL2BoogieTranslator took 931.49 ms. Allocated memory is still 302.0 MB. Free memory was 272.3 MB in the beginning and 269.9 MB in the end (delta: 2.4 MB). Peak memory consumption was 23.9 MB. Max. memory is 16.0 GB. [2021-04-28 16:37:52,745 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.78 ms. Allocated memory is still 302.0 MB. Free memory was 269.9 MB in the beginning and 266.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 16:37:52,748 INFO L168 Benchmark]: Boogie Preprocessor took 57.11 ms. Allocated memory is still 302.0 MB. Free memory was 266.8 MB in the beginning and 264.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 16:37:52,749 INFO L168 Benchmark]: RCFGBuilder took 2461.92 ms. Allocated memory is still 302.0 MB. Free memory was 264.7 MB in the beginning and 207.0 MB in the end (delta: 57.7 MB). Peak memory consumption was 161.5 MB. Max. memory is 16.0 GB. [2021-04-28 16:37:52,749 INFO L168 Benchmark]: TraceAbstraction took 48509.39 ms. Allocated memory was 302.0 MB in the beginning and 828.4 MB in the end (delta: 526.4 MB). Free memory was 206.0 MB in the beginning and 754.3 MB in the end (delta: -548.4 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-28 16:37:52,754 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.76 ms. Allocated memory is still 302.0 MB. Free memory is still 272.9 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 931.49 ms. Allocated memory is still 302.0 MB. Free memory was 272.3 MB in the beginning and 269.9 MB in the end (delta: 2.4 MB). Peak memory consumption was 23.9 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 62.78 ms. Allocated memory is still 302.0 MB. Free memory was 269.9 MB in the beginning and 266.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 57.11 ms. Allocated memory is still 302.0 MB. Free memory was 266.8 MB in the beginning and 264.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 2461.92 ms. Allocated memory is still 302.0 MB. Free memory was 264.7 MB in the beginning and 207.0 MB in the end (delta: 57.7 MB). Peak memory consumption was 161.5 MB. Max. memory is 16.0 GB. * TraceAbstraction took 48509.39 ms. Allocated memory was 302.0 MB in the beginning and 828.4 MB in the end (delta: 526.4 MB). Free memory was 206.0 MB in the beginning and 754.3 MB in the end (delta: -548.4 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: 41897.1ms, 112 PlacesBefore, 137 PlacesAfterwards, 104 TransitionsBefore, 128 TransitionsAfterwards, 2076 CoEnabledTransitionPairs, 8 FixpointIterations, 159 TrivialSequentialCompositions, 95 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 1 ChoiceCompositions, 256 TotalNumberOfCompositions, 19494 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5797, positive: 5488, positive conditional: 5488, positive unconditional: 0, negative: 309, negative conditional: 309, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2576, positive: 2509, positive conditional: 0, positive unconditional: 2509, negative: 67, negative conditional: 0, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2576, positive: 2509, positive conditional: 0, positive unconditional: 2509, negative: 67, negative conditional: 0, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2576, positive: 2485, positive conditional: 0, positive unconditional: 2485, negative: 91, negative conditional: 0, negative unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 91, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 67, negative conditional: 0, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1160, positive: 85, positive conditional: 0, positive unconditional: 85, negative: 1075, negative conditional: 0, negative unconditional: 1075, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5797, positive: 2979, positive conditional: 2979, positive unconditional: 0, negative: 242, negative conditional: 242, negative unconditional: 0, unknown: 2576, unknown conditional: 2576, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2575, Positive cache size: 2508, Positive conditional cache size: 2508, Positive unconditional cache size: 0, Negative cache size: 67, Negative conditional cache size: 67, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 388.2ms, 133 PlacesBefore, 79 PlacesAfterwards, 70 TransitionsBefore, 70 TransitionsAfterwards, 2504 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 3276 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 511, positive: 425, positive conditional: 425, positive unconditional: 0, negative: 86, negative conditional: 86, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 83, positive: 54, positive conditional: 9, positive unconditional: 45, negative: 29, negative conditional: 6, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 83, positive: 54, positive conditional: 9, positive unconditional: 45, negative: 29, negative conditional: 6, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 83, positive: 54, positive conditional: 0, positive unconditional: 54, negative: 29, negative conditional: 0, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 29, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 29, negative conditional: 6, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 358, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 358, negative conditional: 142, negative unconditional: 216, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 511, positive: 371, positive conditional: 371, positive unconditional: 0, negative: 57, negative conditional: 57, negative unconditional: 0, unknown: 83, unknown conditional: 83, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2658, Positive cache size: 2562, Positive conditional cache size: 2562, Positive unconditional cache size: 0, Negative cache size: 96, Negative conditional cache size: 96, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 515.6ms, 80 PlacesBefore, 42 PlacesAfterwards, 32 TransitionsBefore, 32 TransitionsAfterwards, 574 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1462 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 519, positive: 448, positive conditional: 448, positive unconditional: 0, negative: 71, negative conditional: 71, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 137, positive: 125, positive conditional: 28, positive unconditional: 97, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 137, positive: 125, positive conditional: 28, positive unconditional: 97, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 137, positive: 91, positive conditional: 0, positive unconditional: 91, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 46, positive: 34, positive conditional: 0, positive unconditional: 34, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 328, positive: 114, positive conditional: 0, positive unconditional: 114, negative: 215, negative conditional: 0, negative unconditional: 215, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 519, positive: 323, positive conditional: 323, positive unconditional: 0, negative: 59, negative conditional: 59, negative unconditional: 0, unknown: 137, unknown conditional: 137, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2795, Positive cache size: 2687, Positive conditional cache size: 2687, Positive unconditional cache size: 0, Negative cache size: 108, Negative conditional cache size: 108, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 175.6ms, 43 PlacesBefore, 41 PlacesAfterwards, 30 TransitionsBefore, 30 TransitionsAfterwards, 492 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1214 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 511, positive: 448, positive conditional: 448, positive unconditional: 0, negative: 63, negative conditional: 63, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 74, positive: 64, positive conditional: 38, positive unconditional: 26, negative: 10, negative conditional: 2, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 74, positive: 64, positive conditional: 38, positive unconditional: 26, negative: 10, negative conditional: 2, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 74, positive: 64, positive conditional: 0, positive unconditional: 64, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 10, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 10, negative conditional: 2, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 131, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 131, negative conditional: 10, negative unconditional: 121, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 511, positive: 384, positive conditional: 384, positive unconditional: 0, negative: 53, negative conditional: 53, negative unconditional: 0, unknown: 74, unknown conditional: 74, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2869, Positive cache size: 2751, Positive conditional cache size: 2751, Positive unconditional cache size: 0, Negative cache size: 118, Negative conditional cache size: 118, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 102.7ms, 42 PlacesBefore, 40 PlacesAfterwards, 28 TransitionsBefore, 28 TransitionsAfterwards, 422 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 994 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 440, positive: 385, positive conditional: 385, positive unconditional: 0, negative: 55, negative conditional: 55, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 55, positive: 52, positive conditional: 37, positive unconditional: 15, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 55, positive: 52, positive conditional: 37, positive unconditional: 15, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 55, positive: 52, positive conditional: 0, positive unconditional: 52, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 50, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 440, positive: 333, positive conditional: 333, positive unconditional: 0, negative: 52, negative conditional: 52, negative unconditional: 0, unknown: 55, unknown conditional: 55, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2924, Positive cache size: 2803, Positive conditional cache size: 2803, Positive unconditional cache size: 0, Negative cache size: 121, Negative conditional cache size: 121, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 230.1ms, 45 PlacesBefore, 43 PlacesAfterwards, 37 TransitionsBefore, 37 TransitionsAfterwards, 476 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 568 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 103, positive: 79, positive conditional: 79, positive unconditional: 0, negative: 24, negative conditional: 24, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 28, positive: 24, positive conditional: 13, positive unconditional: 11, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 28, positive: 24, positive conditional: 13, positive unconditional: 11, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 28, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 146, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 146, negative conditional: 0, negative unconditional: 146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 103, positive: 55, positive conditional: 55, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 28, unknown conditional: 28, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2952, Positive cache size: 2827, Positive conditional cache size: 2827, Positive unconditional cache size: 0, Negative cache size: 125, Negative conditional cache size: 125, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 86.8ms, 49 PlacesBefore, 47 PlacesAfterwards, 46 TransitionsBefore, 46 TransitionsAfterwards, 476 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 781 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 91, positive: 58, positive conditional: 58, positive unconditional: 0, negative: 33, negative conditional: 33, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8, positive: 8, positive conditional: 0, positive unconditional: 8, 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: 91, positive: 50, positive conditional: 50, positive unconditional: 0, negative: 33, negative conditional: 33, negative unconditional: 0, unknown: 8, unknown conditional: 8, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2960, Positive cache size: 2835, Positive conditional cache size: 2835, Positive unconditional cache size: 0, Negative cache size: 125, Negative conditional cache size: 125, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 184.6ms, 49 PlacesBefore, 47 PlacesAfterwards, 46 TransitionsBefore, 46 TransitionsAfterwards, 406 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 806 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 296, positive: 257, positive conditional: 257, positive unconditional: 0, negative: 39, negative conditional: 39, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 78, positive: 71, positive conditional: 51, positive unconditional: 20, 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: 78, positive: 71, positive conditional: 51, positive unconditional: 20, 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: 78, positive: 71, positive conditional: 0, positive unconditional: 71, 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: 135, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 135, negative conditional: 0, negative unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 296, positive: 186, positive conditional: 186, positive unconditional: 0, negative: 32, negative conditional: 32, negative unconditional: 0, unknown: 78, unknown conditional: 78, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3038, Positive cache size: 2906, Positive conditional cache size: 2906, Positive unconditional cache size: 0, Negative cache size: 132, Negative conditional cache size: 132, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 266.2ms, 51 PlacesBefore, 51 PlacesAfterwards, 59 TransitionsBefore, 59 TransitionsAfterwards, 600 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 306 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 69, positive: 57, positive conditional: 57, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24, positive: 21, positive conditional: 15, positive unconditional: 6, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 24, positive: 21, positive conditional: 15, positive unconditional: 6, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 24, positive: 19, positive conditional: 0, positive unconditional: 19, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 131, positive: 75, positive conditional: 75, positive unconditional: 0, negative: 57, negative conditional: 0, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 69, positive: 36, positive conditional: 36, positive unconditional: 0, negative: 9, negative conditional: 9, negative unconditional: 0, unknown: 24, unknown conditional: 24, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3062, Positive cache size: 2927, Positive conditional cache size: 2927, Positive unconditional cache size: 0, Negative cache size: 135, Negative conditional cache size: 135, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 257.5ms, 55 PlacesBefore, 52 PlacesAfterwards, 52 TransitionsBefore, 52 TransitionsAfterwards, 394 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 285 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 108, positive: 96, positive conditional: 96, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9, positive: 9, positive conditional: 7, 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: 9, positive: 9, positive conditional: 7, 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: 9, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 159, positive: 159, positive conditional: 159, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 108, positive: 87, positive conditional: 87, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 9, unknown conditional: 9, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3071, Positive cache size: 2936, Positive conditional cache size: 2936, Positive unconditional cache size: 0, Negative cache size: 135, Negative conditional cache size: 135, Negative unconditional cache size: 0 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p0_EAX = 0; [L713] 0 int __unbuffered_p0_EBX = 0; [L715] 0 int __unbuffered_p1_EAX = 0; [L717] 0 int __unbuffered_p1_EBX = 0; [L719] 0 int __unbuffered_p2_EAX = 0; [L721] 0 int __unbuffered_p2_EBX = 0; [L723] 0 int a = 0; [L724] 0 _Bool a$flush_delayed; [L725] 0 int a$mem_tmp; [L726] 0 _Bool a$r_buff0_thd0; [L727] 0 _Bool a$r_buff0_thd1; [L728] 0 _Bool a$r_buff0_thd2; [L729] 0 _Bool a$r_buff0_thd3; [L730] 0 _Bool a$r_buff1_thd0; [L731] 0 _Bool a$r_buff1_thd1; [L732] 0 _Bool a$r_buff1_thd2; [L733] 0 _Bool a$r_buff1_thd3; [L734] 0 _Bool a$read_delayed; [L735] 0 int *a$read_delayed_var; [L736] 0 int a$w_buff0; [L737] 0 _Bool a$w_buff0_used; [L738] 0 int a$w_buff1; [L739] 0 _Bool a$w_buff1_used; [L740] 0 _Bool main$tmp_guard0; [L741] 0 _Bool main$tmp_guard1; [L743] 0 int x = 0; [L745] 0 int y = 0; [L747] 0 int z = 0; [L748] 0 _Bool weak$$choice0; [L749] 0 _Bool weak$$choice2; [L855] 0 pthread_t t50; [L856] FCALL, FORK 0 pthread_create(&t50, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L857] 0 pthread_t t51; [L858] FCALL, FORK 0 pthread_create(&t51, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L859] 0 pthread_t t52; [L860] FCALL, FORK 0 pthread_create(&t52, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L753] 1 a$w_buff1 = a$w_buff0 [L754] 1 a$w_buff0 = 1 [L755] 1 a$w_buff1_used = a$w_buff0_used [L756] 1 a$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L758] 1 a$r_buff1_thd0 = a$r_buff0_thd0 [L759] 1 a$r_buff1_thd1 = a$r_buff0_thd1 [L760] 1 a$r_buff1_thd2 = a$r_buff0_thd2 [L761] 1 a$r_buff1_thd3 = a$r_buff0_thd3 [L762] 1 a$r_buff0_thd1 = (_Bool)1 [L765] 1 x = 1 [L768] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L771] 1 __unbuffered_p0_EBX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L788] 2 y = 1 [L791] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0] [L794] 2 __unbuffered_p1_EBX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0] [L811] 3 z = 1 [L814] 3 __unbuffered_p2_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=1] [L817] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L818] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L819] 3 a$flush_delayed = weak$$choice2 [L820] 3 a$mem_tmp = a [L821] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff1) [L821] 3 a = !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff1) [L822] EXPR 3 weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff0)) [L822] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff0) [L822] EXPR 3 weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff0)) [L822] 3 a$w_buff0 = weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff0)) [L823] EXPR 3 weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff1 : a$w_buff1)) [L823] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff1 : a$w_buff1) [L823] EXPR 3 weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff1 : a$w_buff1)) [L823] 3 a$w_buff1 = weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff1 : a$w_buff1)) [L824] EXPR 3 weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used)) [L824] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used) [L824] EXPR 3 weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used)) [L824] 3 a$w_buff0_used = weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used)) [L825] EXPR 3 weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L825] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L825] EXPR 3 weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L825] 3 a$w_buff1_used = weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L826] EXPR 3 weak$$choice2 ? a$r_buff0_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff0_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3)) [L826] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff0_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3) [L826] EXPR 3 weak$$choice2 ? a$r_buff0_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff0_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3)) [L826] 3 a$r_buff0_thd3 = weak$$choice2 ? a$r_buff0_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff0_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3)) [L827] EXPR 3 weak$$choice2 ? a$r_buff1_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff1_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L827] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff1_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L827] EXPR 3 weak$$choice2 ? a$r_buff1_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff1_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L827] 3 a$r_buff1_thd3 = weak$$choice2 ? a$r_buff1_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff1_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L828] 3 __unbuffered_p2_EBX = a [L829] EXPR 3 a$flush_delayed ? a$mem_tmp : a [L829] 3 a = a$flush_delayed ? a$mem_tmp : a [L830] 3 a$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=1, z=1] [L774] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L774] 1 a = a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L775] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L775] 1 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L776] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L776] 1 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L777] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L777] 1 a$r_buff0_thd1 = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L778] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L778] 1 a$r_buff1_thd1 = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L781] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L783] 1 return 0; VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=1, z=1] [L797] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L797] EXPR 2 a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a [L797] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L797] 2 a = a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L798] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L798] 2 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L799] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L799] 2 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L800] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L800] 2 a$r_buff0_thd2 = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L801] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L801] 2 a$r_buff1_thd2 = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L804] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=1, z=1] [L833] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L833] EXPR 3 a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a [L833] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L833] 3 a = a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L834] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L834] 3 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L835] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L835] 3 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L836] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L836] 3 a$r_buff0_thd3 = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L837] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L837] 3 a$r_buff1_thd3 = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L840] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L842] 3 return 0; VAL [\result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=1, z=1] [L862] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L3] COND FALSE 0 !(!cond) [L866] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L866] EXPR 0 a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a [L866] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L866] 0 a = a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L867] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L867] 0 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L868] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used [L868] 0 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used [L869] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L869] 0 a$r_buff0_thd0 = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L870] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$r_buff1_thd0 [L870] 0 a$r_buff1_thd0 = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$r_buff1_thd0 [L873] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 1 && __unbuffered_p0_EBX == 0 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0) [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=1, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 106 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 24.9ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 48244.5ms, OverallIterations: 10, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 2137.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 42034.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 66 SDtfs, 63 SDslu, 49 SDs, 0 SdLazy, 390 SolverSat, 85 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 554.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 260.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=304occurred in iteration=6, InterpolantAutomatonStates: 41, 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: 49.1ms SsaConstructionTime, 563.9ms SatisfiabilityAnalysisTime, 817.4ms InterpolantComputationTime, 144 NumberOfCodeBlocks, 144 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 114 ConstructedInterpolants, 0 QuantifiedInterpolants, 585 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...