/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-RepeatedSemanticLbeWithDisjunctivePredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix029_power.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-26 10:03:02,180 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-26 10:03:02,182 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-26 10:03:02,212 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-26 10:03:02,213 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-26 10:03:02,215 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-26 10:03:02,217 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-26 10:03:02,222 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-26 10:03:02,223 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-26 10:03:02,227 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-26 10:03:02,228 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-26 10:03:02,229 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-26 10:03:02,230 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-26 10:03:02,232 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-26 10:03:02,233 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-26 10:03:02,237 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-26 10:03:02,239 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-26 10:03:02,240 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-26 10:03:02,243 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-26 10:03:02,248 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-26 10:03:02,249 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-26 10:03:02,250 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-26 10:03:02,250 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-26 10:03:02,252 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-26 10:03:02,256 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-26 10:03:02,259 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-26 10:03:02,259 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-26 10:03:02,266 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-26 10:03:02,266 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-26 10:03:02,267 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-26 10:03:02,267 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-26 10:03:02,268 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-26 10:03:02,268 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-26 10:03:02,268 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-26 10:03:02,268 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-26 10:03:02,269 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-26 10:03:02,272 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-RepeatedSemanticLbeWithDisjunctivePredicates.epf [2021-03-26 10:03:02,305 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-26 10:03:02,305 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-26 10:03:02,306 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-26 10:03:02,306 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-26 10:03:02,306 INFO L138 SettingsManager]: * Use SBE=true [2021-03-26 10:03:02,306 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-26 10:03:02,306 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-26 10:03:02,306 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-26 10:03:02,306 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-26 10:03:02,306 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-26 10:03:02,306 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-26 10:03:02,306 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-26 10:03:02,307 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-26 10:03:02,307 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-26 10:03:02,307 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-26 10:03:02,307 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-26 10:03:02,307 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-26 10:03:02,307 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-26 10:03:02,307 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-26 10:03:02,307 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-26 10:03:02,307 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-26 10:03:02,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 10:03:02,307 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-26 10:03:02,308 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-26 10:03:02,308 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-26 10:03:02,308 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-26 10:03:02,308 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-26 10:03:02,308 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES_DISJUNCTIVE [2021-03-26 10:03:02,308 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-26 10:03:02,308 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-26 10:03:02,308 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-26 10:03:02,615 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-26 10:03:02,636 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-26 10:03:02,638 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-26 10:03:02,638 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-26 10:03:02,639 INFO L275 PluginConnector]: CDTParser initialized [2021-03-26 10:03:02,640 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix029_power.oepc.i [2021-03-26 10:03:02,695 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/defcaa9e0/db829566492f4e279fcab29de7fcbb9e/FLAG14c3148f5 [2021-03-26 10:03:03,391 INFO L306 CDTParser]: Found 1 translation units. [2021-03-26 10:03:03,392 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix029_power.oepc.i [2021-03-26 10:03:03,406 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/defcaa9e0/db829566492f4e279fcab29de7fcbb9e/FLAG14c3148f5 [2021-03-26 10:03:03,716 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/defcaa9e0/db829566492f4e279fcab29de7fcbb9e [2021-03-26 10:03:03,717 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-26 10:03:03,718 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-26 10:03:03,719 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-26 10:03:03,719 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-26 10:03:03,721 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-26 10:03:03,722 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 10:03:03" (1/1) ... [2021-03-26 10:03:03,722 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23fc9e07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:03:03, skipping insertion in model container [2021-03-26 10:03:03,723 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 10:03:03" (1/1) ... [2021-03-26 10:03:03,727 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-26 10:03:03,768 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-26 10:03:03,861 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/mix029_power.oepc.i[951,964] [2021-03-26 10:03:03,995 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 10:03:04,000 INFO L203 MainTranslator]: Completed pre-run [2021-03-26 10:03:04,007 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/mix029_power.oepc.i[951,964] [2021-03-26 10:03:04,033 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 10:03:04,079 INFO L208 MainTranslator]: Completed translation [2021-03-26 10:03:04,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:03:04 WrapperNode [2021-03-26 10:03:04,079 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-26 10:03:04,080 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-26 10:03:04,080 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-26 10:03:04,080 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-26 10:03:04,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:03:04" (1/1) ... [2021-03-26 10:03:04,095 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:03:04" (1/1) ... [2021-03-26 10:03:04,110 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-26 10:03:04,111 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-26 10:03:04,111 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-26 10:03:04,111 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-26 10:03:04,116 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:03:04" (1/1) ... [2021-03-26 10:03:04,116 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:03:04" (1/1) ... [2021-03-26 10:03:04,119 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:03:04" (1/1) ... [2021-03-26 10:03:04,119 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:03:04" (1/1) ... [2021-03-26 10:03:04,127 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:03:04" (1/1) ... [2021-03-26 10:03:04,130 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:03:04" (1/1) ... [2021-03-26 10:03:04,132 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:03:04" (1/1) ... [2021-03-26 10:03:04,134 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-26 10:03:04,135 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-26 10:03:04,135 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-26 10:03:04,135 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-26 10:03:04,135 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:03:04" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 10:03:04,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-26 10:03:04,293 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-26 10:03:04,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-26 10:03:04,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-26 10:03:04,294 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-26 10:03:04,294 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-26 10:03:04,295 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-26 10:03:04,295 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-26 10:03:04,295 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-26 10:03:04,295 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-26 10:03:04,295 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-03-26 10:03:04,295 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-03-26 10:03:04,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-26 10:03:04,295 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-26 10:03:04,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-26 10:03:04,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-26 10:03:04,297 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-26 10:03:05,778 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-26 10:03:05,779 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-26 10:03:05,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 10:03:05 BoogieIcfgContainer [2021-03-26 10:03:05,781 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-26 10:03:05,783 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-26 10:03:05,783 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-26 10:03:05,785 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-26 10:03:05,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.03 10:03:03" (1/3) ... [2021-03-26 10:03:05,786 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b5e2e65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 10:03:05, skipping insertion in model container [2021-03-26 10:03:05,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:03:04" (2/3) ... [2021-03-26 10:03:05,786 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b5e2e65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 10:03:05, skipping insertion in model container [2021-03-26 10:03:05,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 10:03:05" (3/3) ... [2021-03-26 10:03:05,787 INFO L111 eAbstractionObserver]: Analyzing ICFG mix029_power.oepc.i [2021-03-26 10:03:05,794 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-26 10:03:05,797 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-26 10:03:05,797 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-26 10:03:05,833 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,833 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,833 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,833 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,833 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,833 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,833 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,833 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,833 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,834 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,834 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,834 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,834 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,834 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,834 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,834 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,834 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,835 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,835 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,835 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,835 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,835 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,835 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,836 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,836 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,836 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,836 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,836 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,836 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,836 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,836 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,837 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,837 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,837 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,837 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,837 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,837 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,838 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,838 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,838 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,838 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,838 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,838 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,838 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,838 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,838 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,838 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,838 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,838 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,839 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,839 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,839 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,839 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,839 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,839 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,839 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,839 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,840 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,840 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,840 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,840 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,840 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,840 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,840 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,840 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,841 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,841 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,841 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,841 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,841 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,841 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,841 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,841 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,841 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,842 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,842 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,842 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,842 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,842 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,842 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,843 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,843 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,843 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,843 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,843 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,843 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,844 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,844 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,844 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,844 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,844 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,844 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,844 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,844 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,845 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,845 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,845 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,848 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,848 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,848 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,848 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,853 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,853 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,853 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,853 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,853 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,853 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,853 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,853 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,853 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,853 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,853 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,853 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,853 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,853 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,854 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,854 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,854 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,854 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,854 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,854 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,854 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,854 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,854 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,854 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,854 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,854 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,854 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,854 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,854 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,854 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,854 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,857 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,857 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,857 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,857 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,857 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,857 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,857 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,857 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,857 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,857 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,857 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,857 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,857 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,857 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,857 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,857 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,857 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,858 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,858 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,858 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,858 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,858 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,858 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,858 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,858 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,858 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,858 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,858 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,858 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,858 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,858 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,858 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,858 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,858 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,858 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,858 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,859 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,859 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,860 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,860 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,860 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,860 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,860 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,860 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,860 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,861 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,861 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,861 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,861 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,861 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,861 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,861 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,861 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,861 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,862 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,862 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,863 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,863 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,864 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,864 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,864 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,864 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,864 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,864 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,864 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,864 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,864 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,864 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,866 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,866 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,866 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,866 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,866 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,866 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,866 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,866 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,866 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,866 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,867 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,867 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,867 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,867 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,867 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,867 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,867 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,868 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,868 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,868 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,869 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,869 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,869 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,870 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,872 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,872 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,872 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,876 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,877 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,877 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,877 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,877 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,878 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,878 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,878 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,878 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,878 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,878 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,878 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,878 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,878 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,878 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,878 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,878 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,878 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,878 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,878 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,878 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,879 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,879 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,879 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,879 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,879 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:03:05,881 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-26 10:03:05,893 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-03-26 10:03:05,914 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-26 10:03:05,914 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-26 10:03:05,914 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-26 10:03:05,914 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-26 10:03:05,914 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-26 10:03:05,914 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-26 10:03:05,914 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-26 10:03:05,915 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-26 10:03:05,924 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 128 places, 117 transitions, 254 flow [2021-03-26 10:03:05,962 INFO L129 PetriNetUnfolder]: 2/113 cut-off events. [2021-03-26 10:03:05,962 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:03:05,971 INFO L84 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 113 events. 2/113 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 88 event pairs, 0 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 77. Up to 2 conditions per place. [2021-03-26 10:03:05,971 INFO L82 GeneralOperation]: Start removeDead. Operand has 128 places, 117 transitions, 254 flow [2021-03-26 10:03:05,975 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 124 places, 113 transitions, 238 flow [2021-03-26 10:03:05,976 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:03:05,986 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 124 places, 113 transitions, 238 flow [2021-03-26 10:03:05,988 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 124 places, 113 transitions, 238 flow [2021-03-26 10:03:05,991 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 124 places, 113 transitions, 238 flow [2021-03-26 10:03:06,015 INFO L129 PetriNetUnfolder]: 2/113 cut-off events. [2021-03-26 10:03:06,015 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:03:06,016 INFO L84 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 113 events. 2/113 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 90 event pairs, 0 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 77. Up to 2 conditions per place. [2021-03-26 10:03:06,019 INFO L142 LiptonReduction]: Number of co-enabled transitions 2774 [2021-03-26 10:03:07,210 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-26 10:03:07,578 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 81 [2021-03-26 10:03:07,680 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-03-26 10:03:09,072 INFO L154 LiptonReduction]: Checked pairs total: 5523 [2021-03-26 10:03:09,072 INFO L156 LiptonReduction]: Total number of compositions: 76 [2021-03-26 10:03:09,074 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3098 [2021-03-26 10:03:09,084 INFO L129 PetriNetUnfolder]: 0/11 cut-off events. [2021-03-26 10:03:09,084 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:03:09,084 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:03:09,085 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:03:09,085 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:03:09,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:03:09,091 INFO L82 PathProgramCache]: Analyzing trace with hash 394833245, now seen corresponding path program 1 times [2021-03-26 10:03:09,098 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:03:09,098 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373412064] [2021-03-26 10:03:09,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:03:09,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:03:09,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:03:09,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:03:09,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:03:09,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:03:09,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:03:09,280 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373412064] [2021-03-26 10:03:09,280 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:03:09,280 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 10:03:09,280 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466913092] [2021-03-26 10:03:09,285 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 10:03:09,285 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:03:09,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 10:03:09,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 10:03:09,295 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 193 [2021-03-26 10:03:09,299 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 45 transitions, 102 flow. Second operand has 3 states, 3 states have (on average 172.66666666666666) internal successors, (518), 3 states have internal predecessors, (518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:03:09,299 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:03:09,299 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 193 [2021-03-26 10:03:09,300 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:03:09,395 INFO L129 PetriNetUnfolder]: 133/294 cut-off events. [2021-03-26 10:03:09,396 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:03:09,397 INFO L84 FinitePrefix]: Finished finitePrefix Result has 513 conditions, 294 events. 133/294 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1384 event pairs, 110 based on Foata normal form. 32/308 useless extension candidates. Maximal degree in co-relation 493. Up to 153 conditions per place. [2021-03-26 10:03:09,399 INFO L132 encePairwiseOnDemand]: 189/193 looper letters, 11 selfloop transitions, 2 changer transitions 0/47 dead transitions. [2021-03-26 10:03:09,399 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 47 transitions, 132 flow [2021-03-26 10:03:09,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 10:03:09,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 10:03:09,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 532 transitions. [2021-03-26 10:03:09,414 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.918825561312608 [2021-03-26 10:03:09,414 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 532 transitions. [2021-03-26 10:03:09,414 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 532 transitions. [2021-03-26 10:03:09,417 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:03:09,418 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 532 transitions. [2021-03-26 10:03:09,422 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 177.33333333333334) internal successors, (532), 3 states have internal predecessors, (532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:03:09,431 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 193.0) internal successors, (772), 4 states have internal predecessors, (772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:03:09,432 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 193.0) internal successors, (772), 4 states have internal predecessors, (772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:03:09,433 INFO L185 Difference]: Start difference. First operand has 57 places, 45 transitions, 102 flow. Second operand 3 states and 532 transitions. [2021-03-26 10:03:09,433 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 47 transitions, 132 flow [2021-03-26 10:03:09,435 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 47 transitions, 128 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-26 10:03:09,436 INFO L241 Difference]: Finished difference. Result has 53 places, 42 transitions, 96 flow [2021-03-26 10:03:09,437 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=193, PETRI_DIFFERENCE_MINUEND_FLOW=92, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=96, PETRI_PLACES=53, PETRI_TRANSITIONS=42} [2021-03-26 10:03:09,437 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, -4 predicate places. [2021-03-26 10:03:09,437 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:03:09,438 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 53 places, 42 transitions, 96 flow [2021-03-26 10:03:09,438 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 53 places, 42 transitions, 96 flow [2021-03-26 10:03:09,438 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 53 places, 42 transitions, 96 flow [2021-03-26 10:03:09,443 INFO L129 PetriNetUnfolder]: 0/42 cut-off events. [2021-03-26 10:03:09,443 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:03:09,443 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54 conditions, 42 events. 0/42 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 58 event pairs, 0 based on Foata normal form. 0/41 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-03-26 10:03:09,444 INFO L142 LiptonReduction]: Number of co-enabled transitions 584 [2021-03-26 10:03:09,829 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-03-26 10:03:09,934 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-03-26 10:03:10,781 INFO L154 LiptonReduction]: Checked pairs total: 2511 [2021-03-26 10:03:10,781 INFO L156 LiptonReduction]: Total number of compositions: 11 [2021-03-26 10:03:10,781 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1344 [2021-03-26 10:03:10,782 INFO L480 AbstractCegarLoop]: Abstraction has has 42 places, 31 transitions, 74 flow [2021-03-26 10:03:10,782 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 172.66666666666666) internal successors, (518), 3 states have internal predecessors, (518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:03:10,782 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:03:10,782 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:03:10,782 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-26 10:03:10,783 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:03:10,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:03:10,783 INFO L82 PathProgramCache]: Analyzing trace with hash -1383342310, now seen corresponding path program 1 times [2021-03-26 10:03:10,783 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:03:10,783 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280493378] [2021-03-26 10:03:10,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:03:10,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:03:10,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:03:10,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:03:10,857 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-26 10:03:10,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 10:03:10,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:03:10,895 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280493378] [2021-03-26 10:03:10,895 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:03:10,895 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 10:03:10,895 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512998274] [2021-03-26 10:03:10,896 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:03:10,896 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:03:10,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:03:10,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:03:10,898 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 204 [2021-03-26 10:03:10,898 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 31 transitions, 74 flow. Second operand has 4 states, 4 states have (on average 178.75) internal successors, (715), 4 states have internal predecessors, (715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:03:10,899 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:03:10,899 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 204 [2021-03-26 10:03:10,899 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:03:10,921 INFO L129 PetriNetUnfolder]: 1/33 cut-off events. [2021-03-26 10:03:10,921 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:03:10,921 INFO L84 FinitePrefix]: Finished finitePrefix Result has 52 conditions, 33 events. 1/33 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 53 event pairs, 0 based on Foata normal form. 0/32 useless extension candidates. Maximal degree in co-relation 41. Up to 3 conditions per place. [2021-03-26 10:03:10,921 INFO L132 encePairwiseOnDemand]: 200/204 looper letters, 1 selfloop transitions, 2 changer transitions 3/33 dead transitions. [2021-03-26 10:03:10,921 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 33 transitions, 90 flow [2021-03-26 10:03:10,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 10:03:10,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 10:03:10,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 897 transitions. [2021-03-26 10:03:10,923 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8794117647058823 [2021-03-26 10:03:10,923 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 897 transitions. [2021-03-26 10:03:10,923 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 897 transitions. [2021-03-26 10:03:10,924 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:03:10,924 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 897 transitions. [2021-03-26 10:03:10,925 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 179.4) internal successors, (897), 5 states have internal predecessors, (897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:03:10,927 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 204.0) internal successors, (1224), 6 states have internal predecessors, (1224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:03:10,927 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 204.0) internal successors, (1224), 6 states have internal predecessors, (1224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:03:10,927 INFO L185 Difference]: Start difference. First operand has 42 places, 31 transitions, 74 flow. Second operand 5 states and 897 transitions. [2021-03-26 10:03:10,927 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 33 transitions, 90 flow [2021-03-26 10:03:10,928 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 33 transitions, 86 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 10:03:10,928 INFO L241 Difference]: Finished difference. Result has 45 places, 30 transitions, 76 flow [2021-03-26 10:03:10,929 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=204, PETRI_DIFFERENCE_MINUEND_FLOW=70, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=76, PETRI_PLACES=45, PETRI_TRANSITIONS=30} [2021-03-26 10:03:10,929 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, -12 predicate places. [2021-03-26 10:03:10,929 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:03:10,929 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 30 transitions, 76 flow [2021-03-26 10:03:10,929 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 30 transitions, 76 flow [2021-03-26 10:03:10,930 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 42 places, 30 transitions, 76 flow [2021-03-26 10:03:10,934 INFO L129 PetriNetUnfolder]: 0/30 cut-off events. [2021-03-26 10:03:10,934 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:03:10,934 INFO L84 FinitePrefix]: Finished finitePrefix Result has 45 conditions, 30 events. 0/30 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 47 event pairs, 0 based on Foata normal form. 0/30 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-26 10:03:10,934 INFO L142 LiptonReduction]: Number of co-enabled transitions 410 [2021-03-26 10:03:11,521 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-03-26 10:03:11,668 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2021-03-26 10:03:11,966 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-03-26 10:03:12,109 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2021-03-26 10:03:12,112 INFO L154 LiptonReduction]: Checked pairs total: 1542 [2021-03-26 10:03:12,112 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 10:03:12,113 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1184 [2021-03-26 10:03:12,113 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 28 transitions, 72 flow [2021-03-26 10:03:12,114 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 178.75) internal successors, (715), 4 states have internal predecessors, (715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:03:12,114 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:03:12,114 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:03:12,114 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-26 10:03:12,114 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:03:12,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:03:12,114 INFO L82 PathProgramCache]: Analyzing trace with hash 1013797571, now seen corresponding path program 1 times [2021-03-26 10:03:12,114 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:03:12,114 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140209277] [2021-03-26 10:03:12,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:03:12,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:03:12,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:03:12,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:03:12,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:03:12,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:03:12,155 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-03-26 10:03:12,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 10:03:12,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:03:12,163 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140209277] [2021-03-26 10:03:12,163 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:03:12,163 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:03:12,163 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211582844] [2021-03-26 10:03:12,163 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:03:12,163 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:03:12,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:03:12,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:03:12,164 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 206 [2021-03-26 10:03:12,165 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 28 transitions, 72 flow. Second operand has 4 states, 4 states have (on average 164.25) internal successors, (657), 4 states have internal predecessors, (657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:03:12,165 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:03:12,165 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 206 [2021-03-26 10:03:12,165 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:03:12,251 INFO L129 PetriNetUnfolder]: 144/386 cut-off events. [2021-03-26 10:03:12,251 INFO L130 PetriNetUnfolder]: For 37/37 co-relation queries the response was YES. [2021-03-26 10:03:12,252 INFO L84 FinitePrefix]: Finished finitePrefix Result has 712 conditions, 386 events. 144/386 cut-off events. For 37/37 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 2213 event pairs, 11 based on Foata normal form. 20/400 useless extension candidates. Maximal degree in co-relation 702. Up to 164 conditions per place. [2021-03-26 10:03:12,253 INFO L132 encePairwiseOnDemand]: 197/206 looper letters, 12 selfloop transitions, 10 changer transitions 0/41 dead transitions. [2021-03-26 10:03:12,253 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 41 transitions, 148 flow [2021-03-26 10:03:12,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 10:03:12,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 10:03:12,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 676 transitions. [2021-03-26 10:03:12,255 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8203883495145631 [2021-03-26 10:03:12,256 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 676 transitions. [2021-03-26 10:03:12,256 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 676 transitions. [2021-03-26 10:03:12,256 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:03:12,256 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 676 transitions. [2021-03-26 10:03:12,257 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 169.0) internal successors, (676), 4 states have internal predecessors, (676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:03:12,258 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 206.0) internal successors, (1030), 5 states have internal predecessors, (1030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:03:12,258 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 206.0) internal successors, (1030), 5 states have internal predecessors, (1030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:03:12,258 INFO L185 Difference]: Start difference. First operand has 40 places, 28 transitions, 72 flow. Second operand 4 states and 676 transitions. [2021-03-26 10:03:12,258 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 41 transitions, 148 flow [2021-03-26 10:03:12,260 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 41 transitions, 140 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 10:03:12,260 INFO L241 Difference]: Finished difference. Result has 44 places, 37 transitions, 145 flow [2021-03-26 10:03:12,260 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=206, PETRI_DIFFERENCE_MINUEND_FLOW=68, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=145, PETRI_PLACES=44, PETRI_TRANSITIONS=37} [2021-03-26 10:03:12,261 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, -13 predicate places. [2021-03-26 10:03:12,261 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:03:12,261 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 44 places, 37 transitions, 145 flow [2021-03-26 10:03:12,261 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 44 places, 37 transitions, 145 flow [2021-03-26 10:03:12,261 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 44 places, 37 transitions, 145 flow [2021-03-26 10:03:12,295 INFO L129 PetriNetUnfolder]: 131/390 cut-off events. [2021-03-26 10:03:12,295 INFO L130 PetriNetUnfolder]: For 136/144 co-relation queries the response was YES. [2021-03-26 10:03:12,296 INFO L84 FinitePrefix]: Finished finitePrefix Result has 819 conditions, 390 events. 131/390 cut-off events. For 136/144 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 2417 event pairs, 31 based on Foata normal form. 0/385 useless extension candidates. Maximal degree in co-relation 808. Up to 142 conditions per place. [2021-03-26 10:03:12,299 INFO L142 LiptonReduction]: Number of co-enabled transitions 572 [2021-03-26 10:03:12,411 INFO L154 LiptonReduction]: Checked pairs total: 423 [2021-03-26 10:03:12,411 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:03:12,412 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 151 [2021-03-26 10:03:12,414 INFO L480 AbstractCegarLoop]: Abstraction has has 44 places, 37 transitions, 145 flow [2021-03-26 10:03:12,414 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 164.25) internal successors, (657), 4 states have internal predecessors, (657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:03:12,414 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:03:12,415 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:03:12,415 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-26 10:03:12,415 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:03:12,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:03:12,415 INFO L82 PathProgramCache]: Analyzing trace with hash -788819116, now seen corresponding path program 1 times [2021-03-26 10:03:12,415 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:03:12,415 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100944723] [2021-03-26 10:03:12,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:03:12,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:03:12,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:03:12,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:03:12,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:03:12,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 10:03:12,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:03:12,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:03:12,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:03:12,504 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100944723] [2021-03-26 10:03:12,504 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:03:12,504 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:03:12,504 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872363356] [2021-03-26 10:03:12,504 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:03:12,505 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:03:12,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:03:12,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:03:12,505 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 206 [2021-03-26 10:03:12,506 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 37 transitions, 145 flow. Second operand has 4 states, 4 states have (on average 173.75) internal successors, (695), 4 states have internal predecessors, (695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:03:12,506 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:03:12,506 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 206 [2021-03-26 10:03:12,506 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:03:12,647 INFO L129 PetriNetUnfolder]: 728/1509 cut-off events. [2021-03-26 10:03:12,647 INFO L130 PetriNetUnfolder]: For 297/360 co-relation queries the response was YES. [2021-03-26 10:03:12,652 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3238 conditions, 1509 events. 728/1509 cut-off events. For 297/360 co-relation queries the response was YES. Maximal size of possible extension queue 249. Compared 11665 event pairs, 312 based on Foata normal form. 125/1497 useless extension candidates. Maximal degree in co-relation 3225. Up to 873 conditions per place. [2021-03-26 10:03:12,659 INFO L132 encePairwiseOnDemand]: 199/206 looper letters, 10 selfloop transitions, 10 changer transitions 0/50 dead transitions. [2021-03-26 10:03:12,659 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 50 transitions, 211 flow [2021-03-26 10:03:12,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 10:03:12,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 10:03:12,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 887 transitions. [2021-03-26 10:03:12,661 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8611650485436894 [2021-03-26 10:03:12,661 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 887 transitions. [2021-03-26 10:03:12,661 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 887 transitions. [2021-03-26 10:03:12,661 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:03:12,661 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 887 transitions. [2021-03-26 10:03:12,663 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 177.4) internal successors, (887), 5 states have internal predecessors, (887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:03:12,664 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 206.0) internal successors, (1236), 6 states have internal predecessors, (1236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:03:12,665 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 206.0) internal successors, (1236), 6 states have internal predecessors, (1236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:03:12,665 INFO L185 Difference]: Start difference. First operand has 44 places, 37 transitions, 145 flow. Second operand 5 states and 887 transitions. [2021-03-26 10:03:12,665 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 50 transitions, 211 flow [2021-03-26 10:03:12,667 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 50 transitions, 211 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-26 10:03:12,668 INFO L241 Difference]: Finished difference. Result has 51 places, 46 transitions, 220 flow [2021-03-26 10:03:12,669 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=206, PETRI_DIFFERENCE_MINUEND_FLOW=145, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=220, PETRI_PLACES=51, PETRI_TRANSITIONS=46} [2021-03-26 10:03:12,669 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, -6 predicate places. [2021-03-26 10:03:12,669 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:03:12,669 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 51 places, 46 transitions, 220 flow [2021-03-26 10:03:12,669 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 51 places, 46 transitions, 220 flow [2021-03-26 10:03:12,669 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 51 places, 46 transitions, 220 flow [2021-03-26 10:03:12,774 INFO L129 PetriNetUnfolder]: 794/1634 cut-off events. [2021-03-26 10:03:12,774 INFO L130 PetriNetUnfolder]: For 1087/1573 co-relation queries the response was YES. [2021-03-26 10:03:12,781 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4530 conditions, 1634 events. 794/1634 cut-off events. For 1087/1573 co-relation queries the response was YES. Maximal size of possible extension queue 282. Compared 13006 event pairs, 335 based on Foata normal form. 11/1452 useless extension candidates. Maximal degree in co-relation 4514. Up to 1006 conditions per place. [2021-03-26 10:03:12,793 INFO L142 LiptonReduction]: Number of co-enabled transitions 864 [2021-03-26 10:03:14,024 INFO L154 LiptonReduction]: Checked pairs total: 965 [2021-03-26 10:03:14,024 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 10:03:14,024 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1355 [2021-03-26 10:03:14,028 INFO L480 AbstractCegarLoop]: Abstraction has has 51 places, 45 transitions, 214 flow [2021-03-26 10:03:14,036 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 173.75) internal successors, (695), 4 states have internal predecessors, (695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:03:14,036 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:03:14,036 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:03:14,036 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-26 10:03:14,038 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:03:14,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:03:14,039 INFO L82 PathProgramCache]: Analyzing trace with hash 124805121, now seen corresponding path program 1 times [2021-03-26 10:03:14,039 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:03:14,039 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329720801] [2021-03-26 10:03:14,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:03:14,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:03:14,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:03:14,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:03:14,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:03:14,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:03:14,081 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-03-26 10:03:14,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 10:03:14,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:03:14,089 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329720801] [2021-03-26 10:03:14,089 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:03:14,089 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:03:14,089 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592960410] [2021-03-26 10:03:14,089 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:03:14,089 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:03:14,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:03:14,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:03:14,090 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 206 [2021-03-26 10:03:14,091 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 45 transitions, 214 flow. Second operand has 4 states, 4 states have (on average 164.25) internal successors, (657), 4 states have internal predecessors, (657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:03:14,091 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:03:14,091 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 206 [2021-03-26 10:03:14,091 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:03:14,284 INFO L129 PetriNetUnfolder]: 897/1790 cut-off events. [2021-03-26 10:03:14,284 INFO L130 PetriNetUnfolder]: For 1663/2165 co-relation queries the response was YES. [2021-03-26 10:03:14,290 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5292 conditions, 1790 events. 897/1790 cut-off events. For 1663/2165 co-relation queries the response was YES. Maximal size of possible extension queue 264. Compared 13497 event pairs, 394 based on Foata normal form. 104/1748 useless extension candidates. Maximal degree in co-relation 5274. Up to 1130 conditions per place. [2021-03-26 10:03:14,297 INFO L132 encePairwiseOnDemand]: 197/206 looper letters, 16 selfloop transitions, 15 changer transitions 0/54 dead transitions. [2021-03-26 10:03:14,297 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 54 transitions, 320 flow [2021-03-26 10:03:14,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 10:03:14,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 10:03:14,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 674 transitions. [2021-03-26 10:03:14,298 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8179611650485437 [2021-03-26 10:03:14,298 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 674 transitions. [2021-03-26 10:03:14,298 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 674 transitions. [2021-03-26 10:03:14,299 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:03:14,299 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 674 transitions. [2021-03-26 10:03:14,300 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 168.5) internal successors, (674), 4 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:03:14,301 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 206.0) internal successors, (1030), 5 states have internal predecessors, (1030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:03:14,302 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 206.0) internal successors, (1030), 5 states have internal predecessors, (1030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:03:14,302 INFO L185 Difference]: Start difference. First operand has 51 places, 45 transitions, 214 flow. Second operand 4 states and 674 transitions. [2021-03-26 10:03:14,302 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 54 transitions, 320 flow [2021-03-26 10:03:14,312 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 54 transitions, 313 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-03-26 10:03:14,313 INFO L241 Difference]: Finished difference. Result has 53 places, 50 transitions, 312 flow [2021-03-26 10:03:14,314 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=206, PETRI_DIFFERENCE_MINUEND_FLOW=183, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=312, PETRI_PLACES=53, PETRI_TRANSITIONS=50} [2021-03-26 10:03:14,314 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, -4 predicate places. [2021-03-26 10:03:14,314 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:03:14,314 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 53 places, 50 transitions, 312 flow [2021-03-26 10:03:14,314 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 53 places, 50 transitions, 312 flow [2021-03-26 10:03:14,314 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 53 places, 50 transitions, 312 flow [2021-03-26 10:03:14,435 INFO L129 PetriNetUnfolder]: 955/1892 cut-off events. [2021-03-26 10:03:14,435 INFO L130 PetriNetUnfolder]: For 1653/1864 co-relation queries the response was YES. [2021-03-26 10:03:14,442 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5377 conditions, 1892 events. 955/1892 cut-off events. For 1653/1864 co-relation queries the response was YES. Maximal size of possible extension queue 292. Compared 14908 event pairs, 448 based on Foata normal form. 1/1733 useless extension candidates. Maximal degree in co-relation 5358. Up to 1221 conditions per place. [2021-03-26 10:03:14,454 INFO L142 LiptonReduction]: Number of co-enabled transitions 840 [2021-03-26 10:03:14,780 INFO L154 LiptonReduction]: Checked pairs total: 505 [2021-03-26 10:03:14,780 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:03:14,780 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 466 [2021-03-26 10:03:14,782 INFO L480 AbstractCegarLoop]: Abstraction has has 53 places, 50 transitions, 312 flow [2021-03-26 10:03:14,783 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 164.25) internal successors, (657), 4 states have internal predecessors, (657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:03:14,783 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:03:14,783 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:03:14,783 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-26 10:03:14,783 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:03:14,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:03:14,783 INFO L82 PathProgramCache]: Analyzing trace with hash -1555249359, now seen corresponding path program 1 times [2021-03-26 10:03:14,783 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:03:14,783 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352035107] [2021-03-26 10:03:14,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:03:14,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:03:14,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:03:14,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:03:14,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:03:14,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:03:14,813 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-03-26 10:03:14,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 10:03:14,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:03:14,821 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352035107] [2021-03-26 10:03:14,821 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:03:14,821 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:03:14,821 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484637558] [2021-03-26 10:03:14,822 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:03:14,822 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:03:14,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:03:14,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:03:14,822 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 206 [2021-03-26 10:03:14,823 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 50 transitions, 312 flow. Second operand has 4 states, 4 states have (on average 164.5) internal successors, (658), 4 states have internal predecessors, (658), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:03:14,823 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:03:14,823 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 206 [2021-03-26 10:03:14,823 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:03:15,032 INFO L129 PetriNetUnfolder]: 1248/2437 cut-off events. [2021-03-26 10:03:15,033 INFO L130 PetriNetUnfolder]: For 2746/3793 co-relation queries the response was YES. [2021-03-26 10:03:15,042 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7288 conditions, 2437 events. 1248/2437 cut-off events. For 2746/3793 co-relation queries the response was YES. Maximal size of possible extension queue 387. Compared 19528 event pairs, 590 based on Foata normal form. 97/2287 useless extension candidates. Maximal degree in co-relation 7267. Up to 1636 conditions per place. [2021-03-26 10:03:15,095 INFO L132 encePairwiseOnDemand]: 197/206 looper letters, 19 selfloop transitions, 17 changer transitions 0/59 dead transitions. [2021-03-26 10:03:15,095 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 59 transitions, 448 flow [2021-03-26 10:03:15,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 10:03:15,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 10:03:15,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 674 transitions. [2021-03-26 10:03:15,097 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8179611650485437 [2021-03-26 10:03:15,097 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 674 transitions. [2021-03-26 10:03:15,097 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 674 transitions. [2021-03-26 10:03:15,097 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:03:15,097 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 674 transitions. [2021-03-26 10:03:15,098 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 168.5) internal successors, (674), 4 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:03:15,099 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 206.0) internal successors, (1030), 5 states have internal predecessors, (1030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:03:15,099 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 206.0) internal successors, (1030), 5 states have internal predecessors, (1030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:03:15,099 INFO L185 Difference]: Start difference. First operand has 53 places, 50 transitions, 312 flow. Second operand 4 states and 674 transitions. [2021-03-26 10:03:15,099 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 59 transitions, 448 flow [2021-03-26 10:03:15,102 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 59 transitions, 448 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-26 10:03:15,104 INFO L241 Difference]: Finished difference. Result has 59 places, 56 transitions, 441 flow [2021-03-26 10:03:15,104 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=206, PETRI_DIFFERENCE_MINUEND_FLOW=312, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=441, PETRI_PLACES=59, PETRI_TRANSITIONS=56} [2021-03-26 10:03:15,105 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, 2 predicate places. [2021-03-26 10:03:15,105 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:03:15,105 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 59 places, 56 transitions, 441 flow [2021-03-26 10:03:15,105 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 59 places, 56 transitions, 441 flow [2021-03-26 10:03:15,105 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 59 places, 56 transitions, 441 flow [2021-03-26 10:03:15,264 INFO L129 PetriNetUnfolder]: 1228/2391 cut-off events. [2021-03-26 10:03:15,264 INFO L130 PetriNetUnfolder]: For 2758/3279 co-relation queries the response was YES. [2021-03-26 10:03:15,274 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7135 conditions, 2391 events. 1228/2391 cut-off events. For 2758/3279 co-relation queries the response was YES. Maximal size of possible extension queue 388. Compared 19606 event pairs, 571 based on Foata normal form. 4/2125 useless extension candidates. Maximal degree in co-relation 7111. Up to 1614 conditions per place. [2021-03-26 10:03:15,292 INFO L142 LiptonReduction]: Number of co-enabled transitions 978 [2021-03-26 10:03:15,893 INFO L154 LiptonReduction]: Checked pairs total: 826 [2021-03-26 10:03:15,894 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:03:15,894 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 789 [2021-03-26 10:03:15,894 INFO L480 AbstractCegarLoop]: Abstraction has has 59 places, 56 transitions, 441 flow [2021-03-26 10:03:15,894 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 164.5) internal successors, (658), 4 states have internal predecessors, (658), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:03:15,895 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:03:15,895 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:03:15,895 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-26 10:03:15,895 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:03:15,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:03:15,895 INFO L82 PathProgramCache]: Analyzing trace with hash 501691529, now seen corresponding path program 1 times [2021-03-26 10:03:15,895 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:03:15,895 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754207238] [2021-03-26 10:03:15,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:03:15,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:03:15,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:03:15,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:03:15,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:03:15,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:03:15,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:03:15,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 10:03:15,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:03:15,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:03:15,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:03:15,965 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754207238] [2021-03-26 10:03:15,966 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:03:15,966 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 10:03:15,966 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079031756] [2021-03-26 10:03:15,966 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 10:03:15,966 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:03:15,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 10:03:15,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 10:03:15,967 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 206 [2021-03-26 10:03:15,967 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 56 transitions, 441 flow. Second operand has 5 states, 5 states have (on average 173.8) internal successors, (869), 5 states have internal predecessors, (869), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:03:15,967 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:03:15,968 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 206 [2021-03-26 10:03:15,968 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:03:16,205 INFO L129 PetriNetUnfolder]: 933/2037 cut-off events. [2021-03-26 10:03:16,205 INFO L130 PetriNetUnfolder]: For 2661/4206 co-relation queries the response was YES. [2021-03-26 10:03:16,214 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7652 conditions, 2037 events. 933/2037 cut-off events. For 2661/4206 co-relation queries the response was YES. Maximal size of possible extension queue 316. Compared 16735 event pairs, 161 based on Foata normal form. 441/2375 useless extension candidates. Maximal degree in co-relation 7626. Up to 1469 conditions per place. [2021-03-26 10:03:16,224 INFO L132 encePairwiseOnDemand]: 199/206 looper letters, 10 selfloop transitions, 14 changer transitions 0/69 dead transitions. [2021-03-26 10:03:16,224 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 69 transitions, 565 flow [2021-03-26 10:03:16,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 10:03:16,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 10:03:16,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1064 transitions. [2021-03-26 10:03:16,226 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.86084142394822 [2021-03-26 10:03:16,226 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1064 transitions. [2021-03-26 10:03:16,226 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1064 transitions. [2021-03-26 10:03:16,227 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:03:16,227 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1064 transitions. [2021-03-26 10:03:16,228 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 177.33333333333334) internal successors, (1064), 6 states have internal predecessors, (1064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:03:16,229 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 206.0) internal successors, (1442), 7 states have internal predecessors, (1442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:03:16,230 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 206.0) internal successors, (1442), 7 states have internal predecessors, (1442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:03:16,230 INFO L185 Difference]: Start difference. First operand has 59 places, 56 transitions, 441 flow. Second operand 6 states and 1064 transitions. [2021-03-26 10:03:16,230 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 69 transitions, 565 flow [2021-03-26 10:03:16,233 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 69 transitions, 563 flow, removed 1 selfloop flow, removed 0 redundant places. [2021-03-26 10:03:16,235 INFO L241 Difference]: Finished difference. Result has 67 places, 65 transitions, 559 flow [2021-03-26 10:03:16,235 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=206, PETRI_DIFFERENCE_MINUEND_FLOW=439, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=559, PETRI_PLACES=67, PETRI_TRANSITIONS=65} [2021-03-26 10:03:16,235 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, 10 predicate places. [2021-03-26 10:03:16,235 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:03:16,235 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 67 places, 65 transitions, 559 flow [2021-03-26 10:03:16,235 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 67 places, 65 transitions, 559 flow [2021-03-26 10:03:16,236 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 67 places, 65 transitions, 559 flow [2021-03-26 10:03:16,422 INFO L129 PetriNetUnfolder]: 915/1991 cut-off events. [2021-03-26 10:03:16,422 INFO L130 PetriNetUnfolder]: For 4718/6157 co-relation queries the response was YES. [2021-03-26 10:03:16,432 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8838 conditions, 1991 events. 915/1991 cut-off events. For 4718/6157 co-relation queries the response was YES. Maximal size of possible extension queue 320. Compared 16448 event pairs, 153 based on Foata normal form. 50/1919 useless extension candidates. Maximal degree in co-relation 8809. Up to 1446 conditions per place. [2021-03-26 10:03:16,452 INFO L142 LiptonReduction]: Number of co-enabled transitions 1420 [2021-03-26 10:03:17,689 INFO L154 LiptonReduction]: Checked pairs total: 2134 [2021-03-26 10:03:17,690 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 10:03:17,690 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1455 [2021-03-26 10:03:17,690 INFO L480 AbstractCegarLoop]: Abstraction has has 67 places, 64 transitions, 551 flow [2021-03-26 10:03:17,690 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 173.8) internal successors, (869), 5 states have internal predecessors, (869), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:03:17,691 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:03:17,691 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:03:17,691 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-26 10:03:17,691 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:03:17,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:03:17,691 INFO L82 PathProgramCache]: Analyzing trace with hash 529942340, now seen corresponding path program 1 times [2021-03-26 10:03:17,691 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:03:17,691 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796148874] [2021-03-26 10:03:17,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:03:17,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:03:17,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:03:17,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:03:17,752 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-03-26 10:03:17,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 10:03:17,763 INFO L142 QuantifierPusher]: treesize reduction 20, result has 65.5 percent of original size [2021-03-26 10:03:17,764 INFO L147 QuantifierPusher]: treesize reduction 8, result has 78.9 percent of original size 30 [2021-03-26 10:03:17,775 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-03-26 10:03:17,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 10:03:17,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:03:17,785 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796148874] [2021-03-26 10:03:17,785 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:03:17,785 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 10:03:17,785 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363633495] [2021-03-26 10:03:17,785 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 10:03:17,785 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:03:17,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 10:03:17,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-26 10:03:17,786 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 206 [2021-03-26 10:03:17,787 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 64 transitions, 551 flow. Second operand has 5 states, 5 states have (on average 145.2) internal successors, (726), 5 states have internal predecessors, (726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:03:17,787 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:03:17,787 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 206 [2021-03-26 10:03:17,787 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:03:18,812 INFO L129 PetriNetUnfolder]: 5162/9317 cut-off events. [2021-03-26 10:03:18,812 INFO L130 PetriNetUnfolder]: For 29678/32884 co-relation queries the response was YES. [2021-03-26 10:03:18,851 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38373 conditions, 9317 events. 5162/9317 cut-off events. For 29678/32884 co-relation queries the response was YES. Maximal size of possible extension queue 839. Compared 77174 event pairs, 543 based on Foata normal form. 296/9237 useless extension candidates. Maximal degree in co-relation 38342. Up to 3506 conditions per place. [2021-03-26 10:03:18,882 INFO L132 encePairwiseOnDemand]: 191/206 looper letters, 51 selfloop transitions, 80 changer transitions 1/153 dead transitions. [2021-03-26 10:03:18,882 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 153 transitions, 1599 flow [2021-03-26 10:03:18,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 10:03:18,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 10:03:18,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1077 transitions. [2021-03-26 10:03:18,884 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.746879334257975 [2021-03-26 10:03:18,884 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1077 transitions. [2021-03-26 10:03:18,884 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1077 transitions. [2021-03-26 10:03:18,884 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:03:18,884 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1077 transitions. [2021-03-26 10:03:18,886 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 153.85714285714286) internal successors, (1077), 7 states have internal predecessors, (1077), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:03:18,887 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 206.0) internal successors, (1648), 8 states have internal predecessors, (1648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:03:18,887 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 206.0) internal successors, (1648), 8 states have internal predecessors, (1648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:03:18,887 INFO L185 Difference]: Start difference. First operand has 67 places, 64 transitions, 551 flow. Second operand 7 states and 1077 transitions. [2021-03-26 10:03:18,888 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 153 transitions, 1599 flow [2021-03-26 10:03:19,238 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 153 transitions, 1477 flow, removed 24 selfloop flow, removed 5 redundant places. [2021-03-26 10:03:19,240 INFO L241 Difference]: Finished difference. Result has 70 places, 133 transitions, 1378 flow [2021-03-26 10:03:19,240 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=206, PETRI_DIFFERENCE_MINUEND_FLOW=453, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1378, PETRI_PLACES=70, PETRI_TRANSITIONS=133} [2021-03-26 10:03:19,240 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, 13 predicate places. [2021-03-26 10:03:19,241 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:03:19,241 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 70 places, 133 transitions, 1378 flow [2021-03-26 10:03:19,241 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 70 places, 133 transitions, 1378 flow [2021-03-26 10:03:19,241 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 70 places, 133 transitions, 1378 flow [2021-03-26 10:03:19,533 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1079] L801-->L804: Formula: (= v_~z~0_1 1) InVars {} OutVars{~z~0=v_~z~0_1} AuxVars[] AssignedVars[~z~0][40], [193#(or (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p3_EAX~0)) (not (= 2 ~y~0)) (not (= 2 ~z~0))), P1Thread1of1ForFork1InUse, P3Thread1of1ForFork3InUse, Black: 195#(and (= ~a$w_buff0~0 1) (or (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p3_EAX~0)) (not (= 2 ~y~0)) (not (= 2 ~z~0))) (= ~a$w_buff0_used~0 1) (= ~a$r_buff0_thd1~0 1)), Black: 197#(and (or (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p3_EAX~0)) (not (= 2 ~y~0)) (not (= 2 ~z~0))) (= ~a$w_buff0_used~0 (* 256 (div ~a$w_buff0_used~0 256))) (= ~a~0 1)), Black: 191#(and (= ~a$w_buff0~0 1) (= ~a$w_buff0_used~0 1) (= ~a$r_buff0_thd1~0 1)), Black: 138#(= ~__unbuffered_p3_EAX~0 0), 17#L847true, 147#(or (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p3_EAX~0)) (not (= 2 ~y~0)) (not (= 2 ~z~0))), Black: 146#(= ~y~0 0), 26#L804true, 154#(= ~__unbuffered_cnt~0 0), Black: 157#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond|) (= ~__unbuffered_cnt~0 0)), 33#L871-1true, 165#(or (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p3_EAX~0)) (not (= 2 ~y~0)) (not (= 2 ~z~0))), Black: 162#true, Black: 164#(= ~y~0 1), 105#L791true, 107#L764true, 172#(= ~z~0 1), Black: 170#true, Black: 173#(or (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p3_EAX~0)) (not (= 2 ~y~0)) (not (= 2 ~z~0))), Black: 181#(<= ~__unbuffered_cnt~0 1), P0Thread1of1ForFork0InUse, P2Thread1of1ForFork2InUse]) [2021-03-26 10:03:19,534 INFO L384 tUnfolder$Statistics]: this new event has 19 ancestors and is not cut-off event [2021-03-26 10:03:19,534 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is not cut-off event [2021-03-26 10:03:19,534 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is not cut-off event [2021-03-26 10:03:19,534 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is not cut-off event [2021-03-26 10:03:19,979 INFO L129 PetriNetUnfolder]: 4959/9363 cut-off events. [2021-03-26 10:03:19,979 INFO L130 PetriNetUnfolder]: For 24708/26302 co-relation queries the response was YES. [2021-03-26 10:03:20,009 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33401 conditions, 9363 events. 4959/9363 cut-off events. For 24708/26302 co-relation queries the response was YES. Maximal size of possible extension queue 873. Compared 83307 event pairs, 640 based on Foata normal form. 332/9203 useless extension candidates. Maximal degree in co-relation 33371. Up to 3729 conditions per place. [2021-03-26 10:03:20,064 INFO L142 LiptonReduction]: Number of co-enabled transitions 2192 [2021-03-26 10:03:33,951 INFO L154 LiptonReduction]: Checked pairs total: 276 [2021-03-26 10:03:33,951 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:03:33,951 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 14710 [2021-03-26 10:03:33,952 INFO L480 AbstractCegarLoop]: Abstraction has has 70 places, 133 transitions, 1378 flow [2021-03-26 10:03:33,952 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 145.2) internal successors, (726), 5 states have internal predecessors, (726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:03:33,952 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:03:33,952 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:03:33,952 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-26 10:03:33,952 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:03:33,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:03:33,953 INFO L82 PathProgramCache]: Analyzing trace with hash 2007470470, now seen corresponding path program 1 times [2021-03-26 10:03:33,953 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:03:33,953 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167800131] [2021-03-26 10:03:33,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:03:33,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:03:34,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:03:34,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:03:34,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:03:34,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:03:34,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:03:34,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:03:34,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:03:34,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 10:03:34,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:03:34,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:03:34,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:03:34,034 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167800131] [2021-03-26 10:03:34,034 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:03:34,034 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 10:03:34,034 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513450259] [2021-03-26 10:03:34,035 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 10:03:34,035 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:03:34,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 10:03:34,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-26 10:03:34,036 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 206 [2021-03-26 10:03:34,036 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 133 transitions, 1378 flow. Second operand has 6 states, 6 states have (on average 173.83333333333334) internal successors, (1043), 6 states have internal predecessors, (1043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:03:34,036 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:03:34,036 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 206 [2021-03-26 10:03:34,036 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:03:34,777 INFO L129 PetriNetUnfolder]: 3088/6465 cut-off events. [2021-03-26 10:03:34,777 INFO L130 PetriNetUnfolder]: For 17604/22010 co-relation queries the response was YES. [2021-03-26 10:03:34,804 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26163 conditions, 6465 events. 3088/6465 cut-off events. For 17604/22010 co-relation queries the response was YES. Maximal size of possible extension queue 533. Compared 58353 event pairs, 100 based on Foata normal form. 2728/9023 useless extension candidates. Maximal degree in co-relation 26131. Up to 2730 conditions per place. [2021-03-26 10:03:34,820 INFO L132 encePairwiseOnDemand]: 199/206 looper letters, 10 selfloop transitions, 18 changer transitions 14/146 dead transitions. [2021-03-26 10:03:34,821 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 146 transitions, 1546 flow [2021-03-26 10:03:34,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 10:03:34,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 10:03:34,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1241 transitions. [2021-03-26 10:03:34,823 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8606102635228848 [2021-03-26 10:03:34,823 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1241 transitions. [2021-03-26 10:03:34,823 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1241 transitions. [2021-03-26 10:03:34,823 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:03:34,823 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1241 transitions. [2021-03-26 10:03:34,825 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 177.28571428571428) internal successors, (1241), 7 states have internal predecessors, (1241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:03:34,827 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 206.0) internal successors, (1648), 8 states have internal predecessors, (1648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:03:34,827 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 206.0) internal successors, (1648), 8 states have internal predecessors, (1648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:03:34,827 INFO L185 Difference]: Start difference. First operand has 70 places, 133 transitions, 1378 flow. Second operand 7 states and 1241 transitions. [2021-03-26 10:03:34,827 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 146 transitions, 1546 flow [2021-03-26 10:03:34,897 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 146 transitions, 1532 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-03-26 10:03:34,900 INFO L241 Difference]: Finished difference. Result has 78 places, 132 transitions, 1400 flow [2021-03-26 10:03:34,900 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=206, PETRI_DIFFERENCE_MINUEND_FLOW=1364, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=119, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1400, PETRI_PLACES=78, PETRI_TRANSITIONS=132} [2021-03-26 10:03:34,900 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, 21 predicate places. [2021-03-26 10:03:34,900 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:03:34,900 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 78 places, 132 transitions, 1400 flow [2021-03-26 10:03:34,901 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 78 places, 132 transitions, 1400 flow [2021-03-26 10:03:34,901 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 78 places, 132 transitions, 1400 flow [2021-03-26 10:03:35,297 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1079] L801-->L804: Formula: (= v_~z~0_1 1) InVars {} OutVars{~z~0=v_~z~0_1} AuxVars[] AssignedVars[~z~0][38], [193#(or (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p3_EAX~0)) (not (= 2 ~y~0)) (not (= 2 ~z~0))), P1Thread1of1ForFork1InUse, P3Thread1of1ForFork3InUse, Black: 195#(and (= ~a$w_buff0~0 1) (or (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p3_EAX~0)) (not (= 2 ~y~0)) (not (= 2 ~z~0))) (= ~a$w_buff0_used~0 1) (= ~a$r_buff0_thd1~0 1)), Black: 197#(and (or (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p3_EAX~0)) (not (= 2 ~y~0)) (not (= 2 ~z~0))) (= ~a$w_buff0_used~0 (* 256 (div ~a$w_buff0_used~0 256))) (= ~a~0 1)), Black: 191#(and (= ~a$w_buff0~0 1) (= ~a$w_buff0_used~0 1) (= ~a$r_buff0_thd1~0 1)), 205#(= ~__unbuffered_cnt~0 0), Black: 138#(= ~__unbuffered_p3_EAX~0 0), 17#L847true, 147#(or (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p3_EAX~0)) (not (= 2 ~y~0)) (not (= 2 ~z~0))), Black: 208#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond|)), Black: 210#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0) (<= ~__unbuffered_cnt~0 2) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond|)), Black: 207#(<= ~__unbuffered_cnt~0 2), 26#L804true, 154#(= ~__unbuffered_cnt~0 0), Black: 157#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond|) (= ~__unbuffered_cnt~0 0)), 33#L871-1true, 165#(or (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p3_EAX~0)) (not (= 2 ~y~0)) (not (= 2 ~z~0))), Black: 162#true, Black: 164#(= ~y~0 1), 105#L791true, 107#L764true, 172#(= ~z~0 1), Black: 170#true, Black: 173#(or (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p3_EAX~0)) (not (= 2 ~y~0)) (not (= 2 ~z~0))), Black: 181#(<= ~__unbuffered_cnt~0 1), P0Thread1of1ForFork0InUse, P2Thread1of1ForFork2InUse]) [2021-03-26 10:03:35,297 INFO L384 tUnfolder$Statistics]: this new event has 19 ancestors and is not cut-off event [2021-03-26 10:03:35,297 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is not cut-off event [2021-03-26 10:03:35,297 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is not cut-off event [2021-03-26 10:03:35,297 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is not cut-off event [2021-03-26 10:03:35,515 INFO L129 PetriNetUnfolder]: 3271/6928 cut-off events. [2021-03-26 10:03:35,515 INFO L130 PetriNetUnfolder]: For 24100/26045 co-relation queries the response was YES. [2021-03-26 10:03:35,542 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29911 conditions, 6928 events. 3271/6928 cut-off events. For 24100/26045 co-relation queries the response was YES. Maximal size of possible extension queue 619. Compared 64898 event pairs, 171 based on Foata normal form. 91/6780 useless extension candidates. Maximal degree in co-relation 29877. Up to 3235 conditions per place. [2021-03-26 10:03:35,629 INFO L142 LiptonReduction]: Number of co-enabled transitions 2438 [2021-03-26 10:03:36,045 INFO L154 LiptonReduction]: Checked pairs total: 563 [2021-03-26 10:03:36,045 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 10:03:36,045 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1145 [2021-03-26 10:03:36,046 INFO L480 AbstractCegarLoop]: Abstraction has has 78 places, 131 transitions, 1388 flow [2021-03-26 10:03:36,046 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 173.83333333333334) internal successors, (1043), 6 states have internal predecessors, (1043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:03:36,046 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:03:36,046 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:03:36,046 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-26 10:03:36,046 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:03:36,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:03:36,047 INFO L82 PathProgramCache]: Analyzing trace with hash -1686014901, now seen corresponding path program 1 times [2021-03-26 10:03:36,047 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:03:36,047 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115604570] [2021-03-26 10:03:36,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:03:36,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:03:36,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:03:36,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 10:03:36,113 INFO L142 QuantifierPusher]: treesize reduction 14, result has 82.5 percent of original size [2021-03-26 10:03:36,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-03-26 10:03:36,134 INFO L142 QuantifierPusher]: treesize reduction 12, result has 82.6 percent of original size [2021-03-26 10:03:36,134 INFO L147 QuantifierPusher]: treesize reduction 9, result has 84.2 percent of original size 48 [2021-03-26 10:03:36,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:03:36,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 10:03:36,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:03:36,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:03:36,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:03:36,178 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115604570] [2021-03-26 10:03:36,178 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:03:36,178 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 10:03:36,178 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32553222] [2021-03-26 10:03:36,178 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 10:03:36,178 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:03:36,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 10:03:36,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-26 10:03:36,180 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 206 [2021-03-26 10:03:36,180 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 131 transitions, 1388 flow. Second operand has 7 states, 7 states have (on average 151.14285714285714) internal successors, (1058), 7 states have internal predecessors, (1058), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:03:36,180 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:03:36,180 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 206 [2021-03-26 10:03:36,183 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:03:37,112 INFO L129 PetriNetUnfolder]: 4193/8823 cut-off events. [2021-03-26 10:03:37,112 INFO L130 PetriNetUnfolder]: For 31129/35023 co-relation queries the response was YES. [2021-03-26 10:03:37,149 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40859 conditions, 8823 events. 4193/8823 cut-off events. For 31129/35023 co-relation queries the response was YES. Maximal size of possible extension queue 884. Compared 84776 event pairs, 154 based on Foata normal form. 224/8672 useless extension candidates. Maximal degree in co-relation 40823. Up to 4475 conditions per place. [2021-03-26 10:03:37,168 INFO L132 encePairwiseOnDemand]: 197/206 looper letters, 41 selfloop transitions, 29 changer transitions 16/175 dead transitions. [2021-03-26 10:03:37,168 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 175 transitions, 1852 flow [2021-03-26 10:03:37,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 10:03:37,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 10:03:37,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1087 transitions. [2021-03-26 10:03:37,171 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7538141470180305 [2021-03-26 10:03:37,171 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1087 transitions. [2021-03-26 10:03:37,171 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1087 transitions. [2021-03-26 10:03:37,171 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:03:37,171 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1087 transitions. [2021-03-26 10:03:37,173 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 155.28571428571428) internal successors, (1087), 7 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) [2021-03-26 10:03:37,174 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 206.0) internal successors, (1648), 8 states have internal predecessors, (1648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:03:37,175 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 206.0) internal successors, (1648), 8 states have internal predecessors, (1648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:03:37,175 INFO L185 Difference]: Start difference. First operand has 78 places, 131 transitions, 1388 flow. Second operand 7 states and 1087 transitions. [2021-03-26 10:03:37,175 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 175 transitions, 1852 flow [2021-03-26 10:03:37,889 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 175 transitions, 1787 flow, removed 26 selfloop flow, removed 2 redundant places. [2021-03-26 10:03:37,891 INFO L241 Difference]: Finished difference. Result has 85 places, 135 transitions, 1430 flow [2021-03-26 10:03:37,891 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=206, PETRI_DIFFERENCE_MINUEND_FLOW=1323, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1430, PETRI_PLACES=85, PETRI_TRANSITIONS=135} [2021-03-26 10:03:37,891 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, 28 predicate places. [2021-03-26 10:03:37,891 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:03:37,891 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 85 places, 135 transitions, 1430 flow [2021-03-26 10:03:37,892 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 85 places, 135 transitions, 1430 flow [2021-03-26 10:03:37,892 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 85 places, 135 transitions, 1430 flow [2021-03-26 10:03:38,221 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1079] L801-->L804: Formula: (= v_~z~0_1 1) InVars {} OutVars{~z~0=v_~z~0_1} AuxVars[] AssignedVars[~z~0][43], [193#(or (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p3_EAX~0)) (not (= 2 ~y~0)) (not (= 2 ~z~0))), P1Thread1of1ForFork1InUse, P3Thread1of1ForFork3InUse, Black: 195#(and (= ~a$w_buff0~0 1) (or (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p3_EAX~0)) (not (= 2 ~y~0)) (not (= 2 ~z~0))) (= ~a$w_buff0_used~0 1) (= ~a$r_buff0_thd1~0 1)), Black: 197#(and (or (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p3_EAX~0)) (not (= 2 ~y~0)) (not (= 2 ~z~0))) (= ~a$w_buff0_used~0 (* 256 (div ~a$w_buff0_used~0 256))) (= ~a~0 1)), Black: 191#(and (= ~a$w_buff0~0 1) (= ~a$w_buff0_used~0 1) (= ~a$r_buff0_thd1~0 1)), 205#(= ~__unbuffered_cnt~0 0), Black: 138#(= ~__unbuffered_p3_EAX~0 0), 17#L847true, 147#(or (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p3_EAX~0)) (not (= 2 ~y~0)) (not (= 2 ~z~0))), Black: 208#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond|)), Black: 210#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0) (<= ~__unbuffered_cnt~0 2) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond|)), Black: 207#(<= ~__unbuffered_cnt~0 2), 215#true, 26#L804true, Black: 219#(and (= ~a$r_buff1_thd3~0 0) (= ~a$w_buff0~0 1) (= ~a$w_buff0_used~0 (* 256 (div ~a$w_buff0_used~0 256))) (= ~a$r_buff1_thd4~0 0) (= ~a~0 1)), Black: 157#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond|) (= ~__unbuffered_cnt~0 0)), 33#L871-1true, Black: 221#(= ~__unbuffered_p3_EBX~0 1), Black: 223#(and (= ~a$r_buff1_thd3~0 0) (= ~a$w_buff0~0 1) (= ~__unbuffered_p3_EBX~0 1) (= ~a$w_buff0_used~0 (* 256 (div ~a$w_buff0_used~0 256))) (= ~a$r_buff1_thd4~0 0) (= ~a~0 1)), 165#(or (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p3_EAX~0)) (not (= 2 ~y~0)) (not (= 2 ~z~0))), Black: 162#true, Black: 164#(= ~y~0 1), 105#L791true, 107#L764true, 172#(= ~z~0 1), Black: 170#true, Black: 173#(or (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p3_EAX~0)) (not (= 2 ~y~0)) (not (= 2 ~z~0))), Black: 181#(<= ~__unbuffered_cnt~0 1), P0Thread1of1ForFork0InUse, P2Thread1of1ForFork2InUse]) [2021-03-26 10:03:38,221 INFO L384 tUnfolder$Statistics]: this new event has 19 ancestors and is not cut-off event [2021-03-26 10:03:38,221 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is not cut-off event [2021-03-26 10:03:38,221 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is not cut-off event [2021-03-26 10:03:38,221 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is not cut-off event [2021-03-26 10:03:38,577 INFO L129 PetriNetUnfolder]: 4268/9090 cut-off events. [2021-03-26 10:03:38,577 INFO L130 PetriNetUnfolder]: For 25417/26290 co-relation queries the response was YES. [2021-03-26 10:03:38,618 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34315 conditions, 9090 events. 4268/9090 cut-off events. For 25417/26290 co-relation queries the response was YES. Maximal size of possible extension queue 958. Compared 89939 event pairs, 213 based on Foata normal form. 114/8817 useless extension candidates. Maximal degree in co-relation 34277. Up to 2358 conditions per place. [2021-03-26 10:03:38,683 INFO L142 LiptonReduction]: Number of co-enabled transitions 2570 [2021-03-26 10:03:39,140 INFO L154 LiptonReduction]: Checked pairs total: 216 [2021-03-26 10:03:39,145 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:03:39,145 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1254 [2021-03-26 10:03:39,146 INFO L480 AbstractCegarLoop]: Abstraction has has 85 places, 135 transitions, 1430 flow [2021-03-26 10:03:39,146 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 151.14285714285714) internal successors, (1058), 7 states have internal predecessors, (1058), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:03:39,146 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:03:39,146 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:03:39,146 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-26 10:03:39,146 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:03:39,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:03:39,147 INFO L82 PathProgramCache]: Analyzing trace with hash -791511413, now seen corresponding path program 2 times [2021-03-26 10:03:39,147 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:03:39,147 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273845898] [2021-03-26 10:03:39,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:03:39,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:03:39,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:03:39,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:03:39,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:03:39,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:03:39,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:03:39,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:03:39,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:03:39,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:03:39,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:03:39,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 10:03:39,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:03:39,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:03:39,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:03:39,211 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273845898] [2021-03-26 10:03:39,211 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:03:39,211 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 10:03:39,211 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425604762] [2021-03-26 10:03:39,211 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 10:03:39,211 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:03:39,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 10:03:39,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 10:03:39,212 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 206 [2021-03-26 10:03:39,213 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 135 transitions, 1430 flow. Second operand has 7 states, 7 states have (on average 173.85714285714286) internal successors, (1217), 7 states have internal predecessors, (1217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:03:39,213 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:03:39,213 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 206 [2021-03-26 10:03:39,213 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:03:40,015 INFO L129 PetriNetUnfolder]: 3674/8051 cut-off events. [2021-03-26 10:03:40,015 INFO L130 PetriNetUnfolder]: For 26958/32341 co-relation queries the response was YES. [2021-03-26 10:03:40,057 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34773 conditions, 8051 events. 3674/8051 cut-off events. For 26958/32341 co-relation queries the response was YES. Maximal size of possible extension queue 865. Compared 78991 event pairs, 69 based on Foata normal form. 2567/10305 useless extension candidates. Maximal degree in co-relation 34733. Up to 2042 conditions per place. [2021-03-26 10:03:40,067 INFO L132 encePairwiseOnDemand]: 199/206 looper letters, 4 selfloop transitions, 23 changer transitions 40/139 dead transitions. [2021-03-26 10:03:40,067 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 139 transitions, 1531 flow [2021-03-26 10:03:40,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 10:03:40,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 10:03:40,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1588 transitions. [2021-03-26 10:03:40,070 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8565264293419633 [2021-03-26 10:03:40,070 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1588 transitions. [2021-03-26 10:03:40,070 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1588 transitions. [2021-03-26 10:03:40,070 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:03:40,070 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1588 transitions. [2021-03-26 10:03:40,073 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 176.44444444444446) internal successors, (1588), 9 states have internal predecessors, (1588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:03:40,075 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 206.0) internal successors, (2060), 10 states have internal predecessors, (2060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:03:40,075 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 206.0) internal successors, (2060), 10 states have internal predecessors, (2060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:03:40,075 INFO L185 Difference]: Start difference. First operand has 85 places, 135 transitions, 1430 flow. Second operand 9 states and 1588 transitions. [2021-03-26 10:03:40,075 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 139 transitions, 1531 flow [2021-03-26 10:03:40,394 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 139 transitions, 1469 flow, removed 10 selfloop flow, removed 4 redundant places. [2021-03-26 10:03:40,396 INFO L241 Difference]: Finished difference. Result has 92 places, 99 transitions, 966 flow [2021-03-26 10:03:40,396 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=206, PETRI_DIFFERENCE_MINUEND_FLOW=1363, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=966, PETRI_PLACES=92, PETRI_TRANSITIONS=99} [2021-03-26 10:03:40,396 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, 35 predicate places. [2021-03-26 10:03:40,396 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:03:40,396 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 92 places, 99 transitions, 966 flow [2021-03-26 10:03:40,396 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 92 places, 99 transitions, 966 flow [2021-03-26 10:03:40,397 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 91 places, 99 transitions, 966 flow [2021-03-26 10:03:40,672 INFO L129 PetriNetUnfolder]: 1556/3786 cut-off events. [2021-03-26 10:03:40,672 INFO L130 PetriNetUnfolder]: For 11532/12276 co-relation queries the response was YES. [2021-03-26 10:03:40,687 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15960 conditions, 3786 events. 1556/3786 cut-off events. For 11532/12276 co-relation queries the response was YES. Maximal size of possible extension queue 413. Compared 35559 event pairs, 80 based on Foata normal form. 33/3656 useless extension candidates. Maximal degree in co-relation 15920. Up to 960 conditions per place. [2021-03-26 10:03:40,710 INFO L142 LiptonReduction]: Number of co-enabled transitions 1636 [2021-03-26 10:03:40,975 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-03-26 10:03:41,102 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-03-26 10:03:41,367 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-03-26 10:03:41,494 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-03-26 10:03:41,770 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-03-26 10:03:41,901 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-03-26 10:03:41,910 INFO L154 LiptonReduction]: Checked pairs total: 324 [2021-03-26 10:03:41,910 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 10:03:41,910 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1514 [2021-03-26 10:03:41,911 INFO L480 AbstractCegarLoop]: Abstraction has has 90 places, 98 transitions, 984 flow [2021-03-26 10:03:41,911 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 173.85714285714286) internal successors, (1217), 7 states have internal predecessors, (1217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:03:41,911 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:03:41,911 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:03:41,911 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-26 10:03:41,911 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:03:41,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:03:41,912 INFO L82 PathProgramCache]: Analyzing trace with hash -12586681, now seen corresponding path program 1 times [2021-03-26 10:03:41,912 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:03:41,912 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121038573] [2021-03-26 10:03:41,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:03:41,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:03:42,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:03:42,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 10:03:42,024 INFO L142 QuantifierPusher]: treesize reduction 4, result has 91.1 percent of original size [2021-03-26 10:03:42,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 10:03:42,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:03:42,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 10:03:42,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:03:42,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 10:03:42,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:03:42,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 10:03:42,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:03:42,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:03:42,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:03:42,084 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121038573] [2021-03-26 10:03:42,084 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:03:42,084 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 10:03:42,084 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810050887] [2021-03-26 10:03:42,084 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 10:03:42,084 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:03:42,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 10:03:42,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-03-26 10:03:42,086 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 209 [2021-03-26 10:03:42,087 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 98 transitions, 984 flow. Second operand has 8 states, 8 states have (on average 149.125) internal successors, (1193), 8 states have internal predecessors, (1193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:03:42,087 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:03:42,087 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 209 [2021-03-26 10:03:42,087 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:03:42,554 INFO L129 PetriNetUnfolder]: 1656/4038 cut-off events. [2021-03-26 10:03:42,554 INFO L130 PetriNetUnfolder]: For 13341/14170 co-relation queries the response was YES. [2021-03-26 10:03:42,570 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17737 conditions, 4038 events. 1656/4038 cut-off events. For 13341/14170 co-relation queries the response was YES. Maximal size of possible extension queue 470. Compared 38217 event pairs, 41 based on Foata normal form. 70/3953 useless extension candidates. Maximal degree in co-relation 17695. Up to 1017 conditions per place. [2021-03-26 10:03:42,574 INFO L132 encePairwiseOnDemand]: 202/209 looper letters, 30 selfloop transitions, 9 changer transitions 22/119 dead transitions. [2021-03-26 10:03:42,574 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 119 transitions, 1234 flow [2021-03-26 10:03:42,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 10:03:42,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 10:03:42,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 910 transitions. [2021-03-26 10:03:42,602 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7256778309409888 [2021-03-26 10:03:42,602 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 910 transitions. [2021-03-26 10:03:42,602 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 910 transitions. [2021-03-26 10:03:42,602 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:03:42,602 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 910 transitions. [2021-03-26 10:03:42,603 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 151.66666666666666) internal successors, (910), 6 states have internal predecessors, (910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:03:42,605 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 209.0) internal successors, (1463), 7 states have internal predecessors, (1463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:03:42,605 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 209.0) internal successors, (1463), 7 states have internal predecessors, (1463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:03:42,605 INFO L185 Difference]: Start difference. First operand has 90 places, 98 transitions, 984 flow. Second operand 6 states and 910 transitions. [2021-03-26 10:03:42,605 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 119 transitions, 1234 flow [2021-03-26 10:03:42,746 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 119 transitions, 1072 flow, removed 26 selfloop flow, removed 12 redundant places. [2021-03-26 10:03:42,747 INFO L241 Difference]: Finished difference. Result has 84 places, 86 transitions, 729 flow [2021-03-26 10:03:42,748 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=826, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=729, PETRI_PLACES=84, PETRI_TRANSITIONS=86} [2021-03-26 10:03:42,748 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, 27 predicate places. [2021-03-26 10:03:42,748 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:03:42,748 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 84 places, 86 transitions, 729 flow [2021-03-26 10:03:42,748 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 84 places, 86 transitions, 729 flow [2021-03-26 10:03:42,748 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 83 places, 86 transitions, 729 flow [2021-03-26 10:03:42,913 INFO L129 PetriNetUnfolder]: 1142/2768 cut-off events. [2021-03-26 10:03:42,914 INFO L130 PetriNetUnfolder]: For 5509/5724 co-relation queries the response was YES. [2021-03-26 10:03:42,923 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9718 conditions, 2768 events. 1142/2768 cut-off events. For 5509/5724 co-relation queries the response was YES. Maximal size of possible extension queue 313. Compared 24423 event pairs, 56 based on Foata normal form. 16/2690 useless extension candidates. Maximal degree in co-relation 9684. Up to 605 conditions per place. [2021-03-26 10:03:42,939 INFO L142 LiptonReduction]: Number of co-enabled transitions 1336 [2021-03-26 10:03:42,942 INFO L154 LiptonReduction]: Checked pairs total: 75 [2021-03-26 10:03:42,943 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:03:42,943 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 195 [2021-03-26 10:03:42,943 INFO L480 AbstractCegarLoop]: Abstraction has has 83 places, 86 transitions, 729 flow [2021-03-26 10:03:42,944 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 149.125) internal successors, (1193), 8 states have internal predecessors, (1193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:03:42,944 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:03:42,944 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:03:42,944 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-26 10:03:42,944 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:03:42,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:03:42,944 INFO L82 PathProgramCache]: Analyzing trace with hash -1413329245, now seen corresponding path program 1 times [2021-03-26 10:03:42,944 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:03:42,944 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881875059] [2021-03-26 10:03:42,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:03:42,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:03:42,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:03:42,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:03:42,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:03:42,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:03:42,985 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-03-26 10:03:42,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 10:03:42,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:03:42,993 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881875059] [2021-03-26 10:03:42,993 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:03:42,993 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:03:42,993 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577051897] [2021-03-26 10:03:42,993 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:03:42,993 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:03:42,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:03:42,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:03:42,994 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 209 [2021-03-26 10:03:42,994 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 86 transitions, 729 flow. Second operand has 4 states, 4 states have (on average 162.5) internal successors, (650), 4 states have internal predecessors, (650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:03:42,994 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:03:42,994 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 209 [2021-03-26 10:03:42,994 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:03:43,261 INFO L129 PetriNetUnfolder]: 1389/3391 cut-off events. [2021-03-26 10:03:43,261 INFO L130 PetriNetUnfolder]: For 8761/9090 co-relation queries the response was YES. [2021-03-26 10:03:43,274 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12482 conditions, 3391 events. 1389/3391 cut-off events. For 8761/9090 co-relation queries the response was YES. Maximal size of possible extension queue 363. Compared 30875 event pairs, 27 based on Foata normal form. 37/3316 useless extension candidates. Maximal degree in co-relation 12446. Up to 700 conditions per place. [2021-03-26 10:03:43,277 INFO L132 encePairwiseOnDemand]: 197/209 looper letters, 17 selfloop transitions, 25 changer transitions 13/104 dead transitions. [2021-03-26 10:03:43,278 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 104 transitions, 995 flow [2021-03-26 10:03:43,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 10:03:43,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 10:03:43,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 827 transitions. [2021-03-26 10:03:43,279 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7913875598086124 [2021-03-26 10:03:43,280 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 827 transitions. [2021-03-26 10:03:43,280 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 827 transitions. [2021-03-26 10:03:43,280 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:03:43,280 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 827 transitions. [2021-03-26 10:03:43,281 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 165.4) internal successors, (827), 5 states have internal predecessors, (827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:03:43,282 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 209.0) internal successors, (1254), 6 states have internal predecessors, (1254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:03:43,283 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 209.0) internal successors, (1254), 6 states have internal predecessors, (1254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:03:43,283 INFO L185 Difference]: Start difference. First operand has 83 places, 86 transitions, 729 flow. Second operand 5 states and 827 transitions. [2021-03-26 10:03:43,283 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 104 transitions, 995 flow [2021-03-26 10:03:43,371 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 104 transitions, 978 flow, removed 1 selfloop flow, removed 5 redundant places. [2021-03-26 10:03:43,372 INFO L241 Difference]: Finished difference. Result has 85 places, 90 transitions, 844 flow [2021-03-26 10:03:43,372 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=672, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=844, PETRI_PLACES=85, PETRI_TRANSITIONS=90} [2021-03-26 10:03:43,373 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, 28 predicate places. [2021-03-26 10:03:43,373 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:03:43,373 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 85 places, 90 transitions, 844 flow [2021-03-26 10:03:43,373 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 85 places, 90 transitions, 844 flow [2021-03-26 10:03:43,373 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 85 places, 90 transitions, 844 flow [2021-03-26 10:03:43,575 INFO L129 PetriNetUnfolder]: 1244/3068 cut-off events. [2021-03-26 10:03:43,575 INFO L130 PetriNetUnfolder]: For 7281/7550 co-relation queries the response was YES. [2021-03-26 10:03:43,587 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11423 conditions, 3068 events. 1244/3068 cut-off events. For 7281/7550 co-relation queries the response was YES. Maximal size of possible extension queue 334. Compared 27846 event pairs, 33 based on Foata normal form. 16/2989 useless extension candidates. Maximal degree in co-relation 11388. Up to 640 conditions per place. [2021-03-26 10:03:43,606 INFO L142 LiptonReduction]: Number of co-enabled transitions 1440 [2021-03-26 10:03:43,908 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2021-03-26 10:03:44,050 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2021-03-26 10:03:44,080 INFO L154 LiptonReduction]: Checked pairs total: 77 [2021-03-26 10:03:44,080 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 10:03:44,080 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 707 [2021-03-26 10:03:44,081 INFO L480 AbstractCegarLoop]: Abstraction has has 84 places, 87 transitions, 830 flow [2021-03-26 10:03:44,081 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 162.5) internal successors, (650), 4 states have internal predecessors, (650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:03:44,082 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:03:44,082 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:03:44,082 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-26 10:03:44,082 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:03:44,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:03:44,082 INFO L82 PathProgramCache]: Analyzing trace with hash -760118641, now seen corresponding path program 1 times [2021-03-26 10:03:44,082 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:03:44,082 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917388394] [2021-03-26 10:03:44,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:03:44,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-26 10:03:44,117 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-26 10:03:44,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-26 10:03:44,152 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-26 10:03:44,187 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-26 10:03:44,187 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-26 10:03:44,187 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-26 10:03:44,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.03 10:03:44 BasicIcfg [2021-03-26 10:03:44,270 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-26 10:03:44,271 INFO L168 Benchmark]: Toolchain (without parser) took 40552.65 ms. Allocated memory was 343.9 MB in the beginning and 1.1 GB in the end (delta: 750.8 MB). Free memory was 306.1 MB in the beginning and 698.7 MB in the end (delta: -392.5 MB). Peak memory consumption was 359.9 MB. Max. memory is 16.0 GB. [2021-03-26 10:03:44,271 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 343.9 MB. Free memory was 324.9 MB in the beginning and 324.9 MB in the end (delta: 70.3 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 10:03:44,271 INFO L168 Benchmark]: CACSL2BoogieTranslator took 360.07 ms. Allocated memory is still 343.9 MB. Free memory was 305.9 MB in the beginning and 303.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.0 GB. [2021-03-26 10:03:44,280 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.68 ms. Allocated memory is still 343.9 MB. Free memory was 303.2 MB in the beginning and 300.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-03-26 10:03:44,281 INFO L168 Benchmark]: Boogie Preprocessor took 23.53 ms. Allocated memory is still 343.9 MB. Free memory was 300.0 MB in the beginning and 297.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-26 10:03:44,283 INFO L168 Benchmark]: RCFGBuilder took 1645.95 ms. Allocated memory is still 343.9 MB. Free memory was 297.9 MB in the beginning and 222.7 MB in the end (delta: 75.2 MB). Peak memory consumption was 149.7 MB. Max. memory is 16.0 GB. [2021-03-26 10:03:44,287 INFO L168 Benchmark]: TraceAbstraction took 38487.23 ms. Allocated memory was 343.9 MB in the beginning and 1.1 GB in the end (delta: 750.8 MB). Free memory was 222.7 MB in the beginning and 698.7 MB in the end (delta: -476.0 MB). Peak memory consumption was 275.8 MB. Max. memory is 16.0 GB. [2021-03-26 10:03:44,288 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 ms. Allocated memory is still 343.9 MB. Free memory was 324.9 MB in the beginning and 324.9 MB in the end (delta: 70.3 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 360.07 ms. Allocated memory is still 343.9 MB. Free memory was 305.9 MB in the beginning and 303.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 30.68 ms. Allocated memory is still 343.9 MB. Free memory was 303.2 MB in the beginning and 300.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 23.53 ms. Allocated memory is still 343.9 MB. Free memory was 300.0 MB in the beginning and 297.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1645.95 ms. Allocated memory is still 343.9 MB. Free memory was 297.9 MB in the beginning and 222.7 MB in the end (delta: 75.2 MB). Peak memory consumption was 149.7 MB. Max. memory is 16.0 GB. * TraceAbstraction took 38487.23 ms. Allocated memory was 343.9 MB in the beginning and 1.1 GB in the end (delta: 750.8 MB). Free memory was 222.7 MB in the beginning and 698.7 MB in the end (delta: -476.0 MB). Peak memory consumption was 275.8 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3084.6ms, 124 PlacesBefore, 57 PlacesAfterwards, 113 TransitionsBefore, 45 TransitionsAfterwards, 2774 CoEnabledTransitionPairs, 6 FixpointIterations, 31 TrivialSequentialCompositions, 40 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 1 ChoiceCompositions, 76 TotalNumberOfCompositions, 5523 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2572, positive: 2441, positive conditional: 2441, positive unconditional: 0, negative: 131, negative conditional: 131, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2572, positive: 2441, positive conditional: 0, positive unconditional: 2441, negative: 131, negative conditional: 0, negative unconditional: 131, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2572, positive: 2441, positive conditional: 0, positive unconditional: 2441, negative: 131, negative conditional: 0, negative unconditional: 131, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1858, positive: 1805, positive conditional: 0, positive unconditional: 1805, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1858, positive: 1795, positive conditional: 0, positive unconditional: 1795, negative: 63, negative conditional: 0, negative unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 63, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 576, positive: 32, positive conditional: 0, positive unconditional: 32, negative: 545, negative conditional: 0, negative unconditional: 545, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2572, positive: 636, positive conditional: 0, positive unconditional: 636, negative: 78, negative conditional: 0, negative unconditional: 78, unknown: 1858, unknown conditional: 0, unknown unconditional: 1858] , Statistics on independence cache: Total cache size (in pairs): 1858, Positive cache size: 1805, Positive conditional cache size: 0, Positive unconditional cache size: 1805, Negative cache size: 53, Negative conditional cache size: 0, Negative unconditional cache size: 53, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1342.7ms, 53 PlacesBefore, 42 PlacesAfterwards, 42 TransitionsBefore, 31 TransitionsAfterwards, 584 CoEnabledTransitionPairs, 4 FixpointIterations, 7 TrivialSequentialCompositions, 4 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 11 TotalNumberOfCompositions, 2511 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 572, positive: 451, positive conditional: 451, positive unconditional: 0, negative: 121, negative conditional: 121, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 572, positive: 451, positive conditional: 27, positive unconditional: 424, negative: 121, negative conditional: 12, negative unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 572, positive: 451, positive conditional: 27, positive unconditional: 424, negative: 121, negative conditional: 12, negative unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 168, positive: 130, positive conditional: 8, positive unconditional: 122, negative: 38, negative conditional: 3, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 168, positive: 127, positive conditional: 0, positive unconditional: 127, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 41, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 38, negative conditional: 3, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 280, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 272, negative conditional: 40, negative unconditional: 232, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 572, positive: 321, positive conditional: 19, positive unconditional: 302, negative: 83, negative conditional: 9, negative unconditional: 74, unknown: 168, unknown conditional: 11, unknown unconditional: 157] , Statistics on independence cache: Total cache size (in pairs): 2026, Positive cache size: 1935, Positive conditional cache size: 8, Positive unconditional cache size: 1927, Negative cache size: 91, Negative conditional cache size: 3, Negative unconditional cache size: 88, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1183.0ms, 45 PlacesBefore, 40 PlacesAfterwards, 30 TransitionsBefore, 28 TransitionsAfterwards, 410 CoEnabledTransitionPairs, 3 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 1542 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 399, positive: 315, positive conditional: 315, positive unconditional: 0, negative: 84, negative conditional: 84, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 399, positive: 315, positive conditional: 0, positive unconditional: 315, negative: 84, negative conditional: 0, negative unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 399, positive: 315, positive conditional: 0, positive unconditional: 315, negative: 84, negative conditional: 0, negative unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 18, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 18, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 9, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 127, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 127, negative conditional: 0, negative unconditional: 127, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 399, positive: 306, positive conditional: 0, positive unconditional: 306, negative: 75, negative conditional: 0, negative unconditional: 75, unknown: 18, unknown conditional: 0, unknown unconditional: 18] , Statistics on independence cache: Total cache size (in pairs): 2044, Positive cache size: 1944, Positive conditional cache size: 8, Positive unconditional cache size: 1936, Negative cache size: 100, Negative conditional cache size: 3, Negative unconditional cache size: 97, Eliminated conditions: 24 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 150.1ms, 44 PlacesBefore, 44 PlacesAfterwards, 37 TransitionsBefore, 37 TransitionsAfterwards, 572 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 423 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 82, positive: 65, positive conditional: 65, positive unconditional: 0, negative: 17, negative conditional: 17, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 82, positive: 65, positive conditional: 1, positive unconditional: 64, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 82, positive: 65, positive conditional: 1, positive unconditional: 64, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 16, positive: 13, positive conditional: 0, positive unconditional: 13, 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: 16, positive: 13, positive conditional: 0, positive unconditional: 13, 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: 69, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 69, negative conditional: 0, negative unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 82, positive: 52, positive conditional: 1, positive unconditional: 51, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 16, unknown conditional: 0, unknown unconditional: 16] , Statistics on independence cache: Total cache size (in pairs): 2060, Positive cache size: 1957, Positive conditional cache size: 8, Positive unconditional cache size: 1949, Negative cache size: 103, Negative conditional cache size: 3, Negative unconditional cache size: 100, Eliminated conditions: 28 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1355.3ms, 51 PlacesBefore, 51 PlacesAfterwards, 46 TransitionsBefore, 45 TransitionsAfterwards, 864 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 965 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 196, positive: 166, positive conditional: 166, positive unconditional: 0, negative: 30, negative conditional: 30, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 196, positive: 166, positive conditional: 55, positive unconditional: 111, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 196, positive: 166, positive conditional: 55, positive unconditional: 111, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 17, positive: 13, positive conditional: 11, positive unconditional: 2, 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: 17, positive: 13, positive conditional: 0, positive unconditional: 13, 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: 117, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 117, negative conditional: 0, negative unconditional: 117, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 196, positive: 153, positive conditional: 44, positive unconditional: 109, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 17, unknown conditional: 11, unknown unconditional: 6] , Statistics on independence cache: Total cache size (in pairs): 2077, Positive cache size: 1970, Positive conditional cache size: 19, Positive unconditional cache size: 1951, Negative cache size: 107, Negative conditional cache size: 3, Negative unconditional cache size: 104, Eliminated conditions: 57 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 466.0ms, 53 PlacesBefore, 53 PlacesAfterwards, 50 TransitionsBefore, 50 TransitionsAfterwards, 840 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 505 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 68, positive: 52, positive conditional: 52, positive unconditional: 0, negative: 16, negative conditional: 16, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 78, positive: 52, positive conditional: 3, positive unconditional: 49, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 78, positive: 52, positive conditional: 3, positive unconditional: 49, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 78, positive: 50, positive conditional: 3, positive unconditional: 47, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 2079, Positive cache size: 1972, Positive conditional cache size: 19, Positive unconditional cache size: 1953, Negative cache size: 107, Negative conditional cache size: 3, Negative unconditional cache size: 104, Eliminated conditions: 41 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 788.8ms, 59 PlacesBefore, 59 PlacesAfterwards, 56 TransitionsBefore, 56 TransitionsAfterwards, 978 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 826 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 68, positive: 45, positive conditional: 45, positive unconditional: 0, negative: 23, negative conditional: 23, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 87, positive: 45, positive conditional: 0, positive unconditional: 45, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 87, positive: 45, positive conditional: 0, positive unconditional: 45, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 87, positive: 43, positive conditional: 0, positive unconditional: 43, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 2081, Positive cache size: 1974, Positive conditional cache size: 19, Positive unconditional cache size: 1955, Negative cache size: 107, Negative conditional cache size: 3, Negative unconditional cache size: 104, Eliminated conditions: 63 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1454.3ms, 67 PlacesBefore, 67 PlacesAfterwards, 65 TransitionsBefore, 64 TransitionsAfterwards, 1420 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 2134 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 254, positive: 204, positive conditional: 204, positive unconditional: 0, negative: 50, negative conditional: 50, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 287, positive: 204, positive conditional: 34, positive unconditional: 170, negative: 83, negative conditional: 0, negative unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 287, positive: 204, positive conditional: 34, positive unconditional: 170, negative: 83, negative conditional: 0, negative unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 2, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 0, positive unconditional: 6, 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: 287, positive: 198, positive conditional: 32, positive unconditional: 166, negative: 83, negative conditional: 0, negative unconditional: 83, unknown: 6, unknown conditional: 2, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 2087, Positive cache size: 1980, Positive conditional cache size: 21, Positive unconditional cache size: 1959, Negative cache size: 107, Negative conditional cache size: 3, Negative unconditional cache size: 104, Eliminated conditions: 157 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 14710.6ms, 70 PlacesBefore, 70 PlacesAfterwards, 133 TransitionsBefore, 133 TransitionsAfterwards, 2192 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 276 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 88, positive: 84, positive conditional: 84, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 88, positive: 84, positive conditional: 32, positive unconditional: 52, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 88, positive: 84, positive conditional: 32, positive unconditional: 52, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 1, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 0, positive unconditional: 4, 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: 88, positive: 80, positive conditional: 31, positive unconditional: 49, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 4, unknown conditional: 1, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 2091, Positive cache size: 1984, Positive conditional cache size: 22, Positive unconditional cache size: 1962, Negative cache size: 107, Negative conditional cache size: 3, Negative unconditional cache size: 104, Eliminated conditions: 20 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1144.5ms, 78 PlacesBefore, 78 PlacesAfterwards, 132 TransitionsBefore, 131 TransitionsAfterwards, 2438 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 563 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 163, positive: 155, positive conditional: 155, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 163, positive: 155, positive conditional: 57, positive unconditional: 98, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 163, positive: 155, positive conditional: 57, positive unconditional: 98, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 0, positive unconditional: 5, 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: 5, positive: 5, positive conditional: 0, positive unconditional: 5, 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: 163, positive: 150, positive conditional: 57, positive unconditional: 93, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , Statistics on independence cache: Total cache size (in pairs): 2096, Positive cache size: 1989, Positive conditional cache size: 22, Positive unconditional cache size: 1967, Negative cache size: 107, Negative conditional cache size: 3, Negative unconditional cache size: 104, Eliminated conditions: 48 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1253.5ms, 85 PlacesBefore, 85 PlacesAfterwards, 135 TransitionsBefore, 135 TransitionsAfterwards, 2570 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 216 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 57, positive: 54, positive conditional: 54, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 57, positive: 54, positive conditional: 30, positive unconditional: 24, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 57, positive: 54, positive conditional: 30, positive unconditional: 24, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, 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: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 57, positive: 52, positive conditional: 28, positive unconditional: 24, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2098, Positive cache size: 1991, Positive conditional cache size: 24, Positive unconditional cache size: 1967, Negative cache size: 107, Negative conditional cache size: 3, Negative unconditional cache size: 104, Eliminated conditions: 9 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1513.7ms, 92 PlacesBefore, 90 PlacesAfterwards, 99 TransitionsBefore, 98 TransitionsAfterwards, 1636 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 324 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 60, positive: 54, positive conditional: 54, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 60, positive: 54, positive conditional: 24, positive unconditional: 30, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 60, positive: 54, positive conditional: 24, positive unconditional: 30, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, 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: 1, positive: 1, positive conditional: 0, positive unconditional: 1, 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: 60, positive: 53, positive conditional: 23, positive unconditional: 30, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2099, Positive cache size: 1992, Positive conditional cache size: 25, Positive unconditional cache size: 1967, Negative cache size: 107, Negative conditional cache size: 3, Negative unconditional cache size: 104, Eliminated conditions: 12 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 194.5ms, 84 PlacesBefore, 83 PlacesAfterwards, 86 TransitionsBefore, 86 TransitionsAfterwards, 1336 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 75 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 33, positive: 30, positive conditional: 30, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 33, positive: 30, positive conditional: 15, positive unconditional: 15, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 33, positive: 30, positive conditional: 15, positive unconditional: 15, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, 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: 1, positive: 1, positive conditional: 0, positive unconditional: 1, 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: 33, positive: 29, positive conditional: 14, positive unconditional: 15, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2100, Positive cache size: 1993, Positive conditional cache size: 26, Positive unconditional cache size: 1967, Negative cache size: 107, Negative conditional cache size: 3, Negative unconditional cache size: 104, Eliminated conditions: 3 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 707.4ms, 85 PlacesBefore, 84 PlacesAfterwards, 90 TransitionsBefore, 87 TransitionsAfterwards, 1440 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 2 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 77 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 77, positive: 77, positive conditional: 77, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 77, positive: 77, positive conditional: 45, positive unconditional: 32, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 77, positive: 77, positive conditional: 45, positive unconditional: 32, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.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.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: 77, positive: 77, positive conditional: 45, positive unconditional: 32, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2100, Positive cache size: 1993, Positive conditional cache size: 26, Positive unconditional cache size: 1967, Negative cache size: 107, Negative conditional cache size: 3, Negative unconditional cache size: 104, Eliminated conditions: 32 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p0_EAX = 0; [L714] 0 int __unbuffered_p3_EAX = 0; [L716] 0 int __unbuffered_p3_EBX = 0; [L718] 0 int a = 0; [L719] 0 _Bool a$flush_delayed; [L720] 0 int a$mem_tmp; [L721] 0 _Bool a$r_buff0_thd0; [L722] 0 _Bool a$r_buff0_thd1; [L723] 0 _Bool a$r_buff0_thd2; [L724] 0 _Bool a$r_buff0_thd3; [L725] 0 _Bool a$r_buff0_thd4; [L726] 0 _Bool a$r_buff1_thd0; [L727] 0 _Bool a$r_buff1_thd1; [L728] 0 _Bool a$r_buff1_thd2; [L729] 0 _Bool a$r_buff1_thd3; [L730] 0 _Bool a$r_buff1_thd4; [L731] 0 _Bool a$read_delayed; [L732] 0 int *a$read_delayed_var; [L733] 0 int a$w_buff0; [L734] 0 _Bool a$w_buff0_used; [L735] 0 int a$w_buff1; [L736] 0 _Bool a$w_buff1_used; [L737] 0 _Bool main$tmp_guard0; [L738] 0 _Bool main$tmp_guard1; [L740] 0 int x = 0; [L742] 0 int y = 0; [L744] 0 int z = 0; [L745] 0 _Bool weak$$choice0; [L746] 0 _Bool weak$$choice2; [L864] 0 pthread_t t769; [L865] FCALL, FORK 0 pthread_create(&t769, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_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$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=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] [L866] 0 pthread_t t770; [L867] FCALL, FORK 0 pthread_create(&t770, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_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$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=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] [L868] 0 pthread_t t771; [L869] FCALL, FORK 0 pthread_create(&t771, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_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$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=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] [L870] 0 pthread_t t772; [L871] FCALL, FORK 0 pthread_create(&t772, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_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$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=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}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L750] 1 a$w_buff1 = a$w_buff0 [L751] 1 a$w_buff0 = 1 [L752] 1 a$w_buff1_used = a$w_buff0_used [L753] 1 a$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L755] 1 a$r_buff1_thd0 = a$r_buff0_thd0 [L756] 1 a$r_buff1_thd1 = a$r_buff0_thd1 [L757] 1 a$r_buff1_thd2 = a$r_buff0_thd2 [L758] 1 a$r_buff1_thd3 = a$r_buff0_thd3 [L759] 1 a$r_buff1_thd4 = a$r_buff0_thd4 [L760] 1 a$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$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_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$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=0, y=0, z=0] [L763] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_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$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=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=0, y=0, z=0] [L780] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_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$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=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=0, z=0] [L783] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_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$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=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=0] [L800] 3 y = 2 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_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$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=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}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=0] [L803] 3 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_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$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=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}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=1] [L786] 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) [L786] EXPR 2 a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a [L786] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L786] 2 a = a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L787] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L787] 2 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L788] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L788] 2 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L789] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L789] 2 a$r_buff0_thd2 = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L790] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L790] 2 a$r_buff1_thd2 = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L806] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L806] EXPR 3 a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a [L806] 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) [L806] 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) [L807] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L807] 3 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L808] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L808] 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 [L809] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L809] 3 a$r_buff0_thd3 = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L810] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L810] 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 [L820] 4 z = 2 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_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$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=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}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=2] [L823] 4 __unbuffered_p3_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_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$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=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}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=2] [L826] 4 weak$$choice0 = __VERIFIER_nondet_bool() [L827] 4 weak$$choice2 = __VERIFIER_nondet_bool() [L828] 4 a$flush_delayed = weak$$choice2 [L829] 4 a$mem_tmp = a [L830] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1) [L830] 4 a = !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1) [L831] EXPR 4 weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L831] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0) [L831] EXPR 4 weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L831] 4 a$w_buff0 = weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L832] EXPR 4 weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L832] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1) [L832] EXPR 4 weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L832] 4 a$w_buff1 = weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L833] EXPR 4 weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L833] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used) [L833] EXPR 4 weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L833] 4 a$w_buff0_used = weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L834] EXPR 4 weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L834] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0) [L834] EXPR 4 weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L834] 4 a$w_buff1_used = weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L835] EXPR 4 weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L835] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4) [L835] EXPR 4 weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L835] 4 a$r_buff0_thd4 = weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L836] EXPR 4 weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L836] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0) [L836] EXPR 4 weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L836] 4 a$r_buff1_thd4 = weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L837] 4 __unbuffered_p3_EBX = a [L838] EXPR 4 a$flush_delayed ? a$mem_tmp : a [L838] 4 a = a$flush_delayed ? a$mem_tmp : a [L839] 4 a$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=2, z=2] [L766] 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) [L766] 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) [L767] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L767] 1 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L768] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L768] 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 [L769] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L769] 1 a$r_buff0_thd1 = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L770] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L770] 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 [L773] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L775] 1 return 0; [L793] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L795] 2 return 0; [L842] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L842] EXPR 4 a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a [L842] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L842] 4 a = a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L843] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used [L843] 4 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used [L844] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$w_buff1_used [L844] 4 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$w_buff1_used [L845] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4 [L845] 4 a$r_buff0_thd4 = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4 [L846] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$r_buff1_thd4 [L846] 4 a$r_buff1_thd4 = a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$r_buff1_thd4 [L813] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L815] 3 return 0; [L849] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L851] 4 return 0; [L873] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L3] COND FALSE 0 !(!cond) [L877] 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) [L877] EXPR 0 a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a [L877] 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) [L877] 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) [L878] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L878] 0 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L879] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used [L879] 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 [L880] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L880] 0 a$r_buff0_thd0 = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L881] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$r_buff1_thd0 [L881] 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 [L884] 0 main$tmp_guard1 = !(y == 2 && z == 2 && __unbuffered_p0_EAX == 0 && __unbuffered_p3_EAX == 2 && __unbuffered_p3_EBX == 0) [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_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_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=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}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=2, z=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 116 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 2.4ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 38277.4ms, OverallIterations: 14, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 7475.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 3167.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 121 SDtfs, 60 SDslu, 91 SDs, 0 SdLazy, 542 SolverSat, 113 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 523.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 339.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1430occurred in iteration=10, InterpolantAutomatonStates: 72, 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: 38.3ms SsaConstructionTime, 345.8ms SatisfiabilityAnalysisTime, 731.9ms InterpolantComputationTime, 285 NumberOfCodeBlocks, 285 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 245 ConstructedInterpolants, 0 QuantifiedInterpolants, 1435 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 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...