/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix051_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 21:54:19,159 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 21:54:19,165 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 21:54:19,222 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 21:54:19,223 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 21:54:19,228 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 21:54:19,231 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 21:54:19,239 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 21:54:19,242 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 21:54:19,248 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 21:54:19,250 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 21:54:19,252 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 21:54:19,253 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 21:54:19,255 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 21:54:19,257 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 21:54:19,259 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 21:54:19,263 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 21:54:19,265 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 21:54:19,273 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 21:54:19,281 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 21:54:19,283 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 21:54:19,285 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 21:54:19,287 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 21:54:19,289 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 21:54:19,298 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-28 21:54:19,304 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-28 21:54:19,305 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-28 21:54:19,307 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-28 21:54:19,308 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-28 21:54:19,310 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-28 21:54:19,310 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-28 21:54:19,311 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-28 21:54:19,311 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-28 21:54:19,311 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 21:54:19,312 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 21:54:19,313 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 21:54:19,319 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2021-04-28 21:54:19,373 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 21:54:19,373 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 21:54:19,377 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 21:54:19,378 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 21:54:19,378 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 21:54:19,378 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 21:54:19,379 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 21:54:19,379 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 21:54:19,379 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 21:54:19,380 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 21:54:19,381 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 21:54:19,381 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 21:54:19,382 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 21:54:19,382 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 21:54:19,382 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 21:54:19,382 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 21:54:19,382 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 21:54:19,383 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 21:54:19,383 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 21:54:19,383 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 21:54:19,384 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 21:54:19,384 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 21:54:19,384 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 21:54:19,385 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 21:54:19,385 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 21:54:19,385 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 21:54:19,385 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 21:54:19,385 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 21:54:19,386 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 21:54:19,386 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 21:54:19,386 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 21:54:19,795 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 21:54:19,841 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 21:54:19,844 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 21:54:19,846 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 21:54:19,846 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 21:54:19,847 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix051_tso.opt.i [2021-04-28 21:54:19,936 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2f146915/c398e08c03a946859165d5e84771d050/FLAGb8e611879 [2021-04-28 21:54:20,782 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 21:54:20,783 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix051_tso.opt.i [2021-04-28 21:54:20,802 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2f146915/c398e08c03a946859165d5e84771d050/FLAGb8e611879 [2021-04-28 21:54:21,000 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2f146915/c398e08c03a946859165d5e84771d050 [2021-04-28 21:54:21,003 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 21:54:21,056 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 21:54:21,058 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 21:54:21,059 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 21:54:21,062 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 21:54:21,063 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 09:54:21" (1/1) ... [2021-04-28 21:54:21,065 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@382d6040 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:54:21, skipping insertion in model container [2021-04-28 21:54:21,065 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 09:54:21" (1/1) ... [2021-04-28 21:54:21,073 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 21:54:21,120 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 21:54:21,294 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/mix051_tso.opt.i[948,961] [2021-04-28 21:54:21,662 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 21:54:21,673 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 21:54:21,688 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/mix051_tso.opt.i[948,961] [2021-04-28 21:54:21,737 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 21:54:21,884 INFO L208 MainTranslator]: Completed translation [2021-04-28 21:54:21,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:54:21 WrapperNode [2021-04-28 21:54:21,887 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 21:54:21,895 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 21:54:21,896 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 21:54:21,896 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 21:54:21,906 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:54:21" (1/1) ... [2021-04-28 21:54:21,947 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:54:21" (1/1) ... [2021-04-28 21:54:21,978 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 21:54:21,979 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 21:54:21,979 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 21:54:21,979 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 21:54:21,989 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:54:21" (1/1) ... [2021-04-28 21:54:21,989 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:54:21" (1/1) ... [2021-04-28 21:54:21,995 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:54:21" (1/1) ... [2021-04-28 21:54:21,995 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:54:21" (1/1) ... [2021-04-28 21:54:22,008 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:54:21" (1/1) ... [2021-04-28 21:54:22,013 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:54:21" (1/1) ... [2021-04-28 21:54:22,017 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:54:21" (1/1) ... [2021-04-28 21:54:22,023 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 21:54:22,024 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 21:54:22,024 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 21:54:22,024 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 21:54:22,025 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:54:21" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 21:54:22,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 21:54:22,135 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 21:54:22,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 21:54:22,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 21:54:22,135 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 21:54:22,135 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 21:54:22,135 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 21:54:22,136 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 21:54:22,136 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-28 21:54:22,136 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-28 21:54:22,136 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-04-28 21:54:22,136 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-04-28 21:54:22,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 21:54:22,136 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 21:54:22,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 21:54:22,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 21:54:22,139 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-28 21:54:24,191 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 21:54:24,192 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 21:54:24,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 09:54:24 BoogieIcfgContainer [2021-04-28 21:54:24,194 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 21:54:24,196 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 21:54:24,196 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 21:54:24,200 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 21:54:24,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 09:54:21" (1/3) ... [2021-04-28 21:54:24,201 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f6dc612 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 09:54:24, skipping insertion in model container [2021-04-28 21:54:24,201 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:54:21" (2/3) ... [2021-04-28 21:54:24,202 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f6dc612 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 09:54:24, skipping insertion in model container [2021-04-28 21:54:24,202 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 09:54:24" (3/3) ... [2021-04-28 21:54:24,204 INFO L111 eAbstractionObserver]: Analyzing ICFG mix051_tso.opt.i [2021-04-28 21:54:24,212 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 21:54:24,218 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 21:54:24,219 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 21:54:24,265 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,265 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,266 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,266 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,266 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,266 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,267 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,267 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,267 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,267 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,268 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,268 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,268 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,268 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,269 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,269 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,269 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,269 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,269 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,270 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,270 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,270 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,270 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,271 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,271 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,271 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,271 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,272 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,272 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,272 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,272 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,272 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,273 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,273 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,273 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,273 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,274 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,274 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,274 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,274 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,274 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,275 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,275 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,275 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,275 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,275 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,275 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,276 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,276 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,276 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,276 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,276 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,276 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,277 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,277 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,277 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,277 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,277 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,277 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,278 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,278 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,278 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,278 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,278 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,279 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,279 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,279 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,279 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,279 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,280 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,282 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,282 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,282 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,283 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,283 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,283 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,283 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,283 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,284 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,284 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,284 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,284 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,284 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,285 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,285 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,285 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,285 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,285 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,285 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,286 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,286 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,286 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,286 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,286 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,287 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,287 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,287 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,287 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,287 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,288 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,288 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,288 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,288 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,288 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,289 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,289 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,289 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,289 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,292 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,292 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,292 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,292 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,293 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,293 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,293 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,294 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,294 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,294 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,294 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,294 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,295 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,295 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,295 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,295 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,296 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,296 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,296 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,296 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,297 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,297 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,297 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,297 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,297 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,298 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,298 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,298 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,298 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,299 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,299 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,299 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,299 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,299 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,300 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,300 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,300 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,301 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,303 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,303 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,304 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,304 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,306 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,306 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,306 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,307 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,308 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,308 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,309 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,309 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,309 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,309 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,310 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,310 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,310 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,310 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,311 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,311 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,311 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,311 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,311 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,312 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,312 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,312 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,312 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,313 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,313 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,313 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,313 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,313 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,314 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,314 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,314 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,316 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,316 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,317 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,317 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,317 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,317 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,318 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,318 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,318 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,318 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,318 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,319 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:54:24,320 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 21:54:24,345 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-04-28 21:54:24,372 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 21:54:24,372 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 21:54:24,372 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 21:54:24,373 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 21:54:24,373 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 21:54:24,373 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 21:54:24,373 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 21:54:24,373 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 21:54:24,389 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 124 places, 113 transitions, 246 flow [2021-04-28 21:54:24,445 INFO L129 PetriNetUnfolder]: 2/109 cut-off events. [2021-04-28 21:54:24,445 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 21:54:24,451 INFO L84 FinitePrefix]: Finished finitePrefix Result has 122 conditions, 109 events. 2/109 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 79 event pairs, 0 based on Foata normal form. 0/105 useless extension candidates. Maximal degree in co-relation 73. Up to 2 conditions per place. [2021-04-28 21:54:24,451 INFO L82 GeneralOperation]: Start removeDead. Operand has 124 places, 113 transitions, 246 flow [2021-04-28 21:54:24,458 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 120 places, 109 transitions, 230 flow [2021-04-28 21:54:24,460 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:54:24,477 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 120 places, 109 transitions, 230 flow [2021-04-28 21:54:24,481 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 120 places, 109 transitions, 230 flow [2021-04-28 21:54:24,485 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 120 places, 109 transitions, 230 flow [2021-04-28 21:54:24,515 INFO L129 PetriNetUnfolder]: 2/109 cut-off events. [2021-04-28 21:54:24,515 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 21:54:24,516 INFO L84 FinitePrefix]: Finished finitePrefix Result has 122 conditions, 109 events. 2/109 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 78 event pairs, 0 based on Foata normal form. 0/105 useless extension candidates. Maximal degree in co-relation 73. Up to 2 conditions per place. [2021-04-28 21:54:24,521 INFO L146 LiptonReduction]: Number of co-enabled transitions 2300 [2021-04-28 21:54:25,547 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2021-04-28 21:54:27,500 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 21:54:28,094 WARN L205 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 86 [2021-04-28 21:54:28,281 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 21:54:42,336 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 21:54:45,324 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-28 21:54:45,441 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-28 21:54:45,561 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-28 21:54:45,681 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-28 21:54:46,080 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 21:54:46,189 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 21:54:46,302 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 21:54:46,412 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 21:54:46,595 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 21:54:46,886 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 21:54:47,017 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 21:54:47,154 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 21:54:47,294 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 21:54:47,402 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 21:54:47,511 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 21:54:47,616 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 21:54:47,725 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 21:54:47,841 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 21:54:47,954 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 21:54:48,066 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 21:54:48,174 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 21:54:48,284 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 21:54:48,395 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 21:54:48,508 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 21:54:48,620 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 21:54:48,765 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 21:54:48,937 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 21:54:49,078 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 21:54:49,222 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 21:54:49,344 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 21:54:49,468 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 21:54:49,594 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 21:54:49,719 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 21:54:49,865 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 21:54:50,017 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 21:54:50,160 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 21:54:50,305 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 21:54:50,416 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 21:54:50,526 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 21:54:50,637 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 21:54:50,751 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 21:54:51,042 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 21:54:51,288 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 21:54:51,410 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 21:54:51,528 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 21:54:51,652 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 21:54:51,763 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 21:54:51,877 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 21:54:51,989 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 21:54:52,098 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 21:54:52,218 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 21:54:52,341 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 21:54:52,459 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 21:54:52,577 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 21:54:52,681 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 21:54:52,785 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 21:54:52,886 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 21:54:53,138 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 21:54:53,289 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 21:54:53,437 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 21:54:53,623 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 21:54:53,805 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 21:54:53,990 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 21:54:54,170 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 21:54:54,352 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 21:54:54,487 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 21:54:54,617 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 21:54:54,749 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 21:54:54,879 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 21:54:55,055 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:54:55,217 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:54:55,379 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:54:55,545 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:54:55,704 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:54:55,856 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:54:56,014 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:54:56,173 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:54:56,609 WARN L205 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-04-28 21:54:56,810 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2021-04-28 21:54:57,236 WARN L205 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-04-28 21:54:57,431 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2021-04-28 21:54:57,961 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:54:58,121 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:54:58,288 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:54:58,449 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:54:58,864 WARN L205 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 117 [2021-04-28 21:54:59,064 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2021-04-28 21:54:59,484 WARN L205 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 117 [2021-04-28 21:54:59,681 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2021-04-28 21:54:59,842 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:55:00,002 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:55:00,169 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:55:00,336 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:55:00,398 INFO L158 LiptonReduction]: Checked pairs total: 22006 [2021-04-28 21:55:00,398 INFO L160 LiptonReduction]: Total number of compositions: 269 [2021-04-28 21:55:00,404 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 35946 [2021-04-28 21:55:00,434 INFO L129 PetriNetUnfolder]: 0/94 cut-off events. [2021-04-28 21:55:00,434 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 21:55:00,434 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:55:00,435 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:55:00,435 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:55:00,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:55:00,442 INFO L82 PathProgramCache]: Analyzing trace with hash 1050048268, now seen corresponding path program 1 times [2021-04-28 21:55:00,452 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:55:00,452 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807434570] [2021-04-28 21:55:00,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:55:00,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:55:00,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:55:00,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:55:00,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:55:00,781 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807434570] [2021-04-28 21:55:00,783 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:55:00,783 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 21:55:00,784 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257812634] [2021-04-28 21:55:00,795 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 21:55:00,795 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:55:00,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 21:55:00,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 21:55:00,821 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 315 out of 382 [2021-04-28 21:55:00,830 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 136 transitions, 284 flow. Second operand has 3 states, 3 states have (on average 315.6666666666667) internal successors, (947), 3 states have internal predecessors, (947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:55:00,830 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:55:00,831 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 315 of 382 [2021-04-28 21:55:00,832 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:55:00,978 INFO L129 PetriNetUnfolder]: 9/263 cut-off events. [2021-04-28 21:55:00,978 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 21:55:00,980 INFO L84 FinitePrefix]: Finished finitePrefix Result has 307 conditions, 263 events. 9/263 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 1882 event pairs, 3 based on Foata normal form. 12/60 useless extension candidates. Maximal degree in co-relation 232. Up to 17 conditions per place. [2021-04-28 21:55:00,983 INFO L132 encePairwiseOnDemand]: 367/382 looper letters, 5 selfloop transitions, 2 changer transitions 61/134 dead transitions. [2021-04-28 21:55:00,983 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 134 transitions, 312 flow [2021-04-28 21:55:00,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 21:55:00,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 21:55:00,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 968 transitions. [2021-04-28 21:55:01,004 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8446771378708552 [2021-04-28 21:55:01,005 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 968 transitions. [2021-04-28 21:55:01,006 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 968 transitions. [2021-04-28 21:55:01,010 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:55:01,012 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 968 transitions. [2021-04-28 21:55:01,019 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 322.6666666666667) internal successors, (968), 3 states have internal predecessors, (968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:55:01,033 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 382.0) internal successors, (1528), 4 states have internal predecessors, (1528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:55:01,034 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 382.0) internal successors, (1528), 4 states have internal predecessors, (1528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:55:01,037 INFO L185 Difference]: Start difference. First operand has 148 places, 136 transitions, 284 flow. Second operand 3 states and 968 transitions. [2021-04-28 21:55:01,038 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 134 transitions, 312 flow [2021-04-28 21:55:01,042 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 134 transitions, 308 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-04-28 21:55:01,046 INFO L241 Difference]: Finished difference. Result has 143 places, 71 transitions, 154 flow [2021-04-28 21:55:01,048 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=272, PETRI_DIFFERENCE_MINUEND_PLACES=141, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=154, PETRI_PLACES=143, PETRI_TRANSITIONS=71} [2021-04-28 21:55:01,049 INFO L343 CegarLoopForPetriNet]: 148 programPoint places, -5 predicate places. [2021-04-28 21:55:01,049 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:55:01,050 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 143 places, 71 transitions, 154 flow [2021-04-28 21:55:01,050 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 143 places, 71 transitions, 154 flow [2021-04-28 21:55:01,051 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 82 places, 71 transitions, 154 flow [2021-04-28 21:55:01,061 INFO L129 PetriNetUnfolder]: 0/71 cut-off events. [2021-04-28 21:55:01,062 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 21:55:01,062 INFO L84 FinitePrefix]: Finished finitePrefix Result has 83 conditions, 71 events. 0/71 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 329 event pairs, 0 based on Foata normal form. 0/25 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-28 21:55:01,064 INFO L146 LiptonReduction]: Number of co-enabled transitions 2512 [2021-04-28 21:55:01,285 INFO L158 LiptonReduction]: Checked pairs total: 3312 [2021-04-28 21:55:01,286 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:55:01,286 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 237 [2021-04-28 21:55:01,288 INFO L480 AbstractCegarLoop]: Abstraction has has 82 places, 71 transitions, 154 flow [2021-04-28 21:55:01,289 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 315.6666666666667) internal successors, (947), 3 states have internal predecessors, (947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:55:01,290 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:55:01,290 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:55:01,290 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 21:55:01,290 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:55:01,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:55:01,291 INFO L82 PathProgramCache]: Analyzing trace with hash -220857842, now seen corresponding path program 1 times [2021-04-28 21:55:01,291 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:55:01,291 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484051112] [2021-04-28 21:55:01,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:55:01,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:55:01,394 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-04-28 21:55:01,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-28 21:55:01,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:55:01,404 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484051112] [2021-04-28 21:55:01,404 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:55:01,405 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 21:55:01,405 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141160512] [2021-04-28 21:55:01,406 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 21:55:01,406 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:55:01,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 21:55:01,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 21:55:01,410 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 240 out of 382 [2021-04-28 21:55:01,411 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 71 transitions, 154 flow. Second operand has 3 states, 3 states have (on average 240.66666666666666) internal successors, (722), 3 states have internal predecessors, (722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:55:01,411 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:55:01,411 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 240 of 382 [2021-04-28 21:55:01,411 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:55:02,462 INFO L129 PetriNetUnfolder]: 2065/5880 cut-off events. [2021-04-28 21:55:02,463 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 21:55:02,493 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9075 conditions, 5880 events. 2065/5880 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1075. Compared 70648 event pairs, 671 based on Foata normal form. 0/3356 useless extension candidates. Maximal degree in co-relation 9066. Up to 2108 conditions per place. [2021-04-28 21:55:02,503 INFO L132 encePairwiseOnDemand]: 360/382 looper letters, 6 selfloop transitions, 6 changer transitions 50/100 dead transitions. [2021-04-28 21:55:02,504 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 100 transitions, 336 flow [2021-04-28 21:55:02,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 21:55:02,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 21:55:02,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 779 transitions. [2021-04-28 21:55:02,508 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6797556719022687 [2021-04-28 21:55:02,508 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 779 transitions. [2021-04-28 21:55:02,509 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 779 transitions. [2021-04-28 21:55:02,509 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:55:02,510 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 779 transitions. [2021-04-28 21:55:02,513 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 259.6666666666667) internal successors, (779), 3 states have internal predecessors, (779), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:55:02,518 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 382.0) internal successors, (1528), 4 states have internal predecessors, (1528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:55:02,520 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 382.0) internal successors, (1528), 4 states have internal predecessors, (1528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:55:02,520 INFO L185 Difference]: Start difference. First operand has 82 places, 71 transitions, 154 flow. Second operand 3 states and 779 transitions. [2021-04-28 21:55:02,520 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 100 transitions, 336 flow [2021-04-28 21:55:02,522 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 100 transitions, 332 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 21:55:02,524 INFO L241 Difference]: Finished difference. Result has 84 places, 50 transitions, 144 flow [2021-04-28 21:55:02,524 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=150, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=144, PETRI_PLACES=84, PETRI_TRANSITIONS=50} [2021-04-28 21:55:02,525 INFO L343 CegarLoopForPetriNet]: 148 programPoint places, -64 predicate places. [2021-04-28 21:55:02,525 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:55:02,525 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 84 places, 50 transitions, 144 flow [2021-04-28 21:55:02,526 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 84 places, 50 transitions, 144 flow [2021-04-28 21:55:02,527 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 58 places, 50 transitions, 144 flow [2021-04-28 21:55:02,588 INFO L129 PetriNetUnfolder]: 86/337 cut-off events. [2021-04-28 21:55:02,589 INFO L130 PetriNetUnfolder]: For 27/35 co-relation queries the response was YES. [2021-04-28 21:55:02,591 INFO L84 FinitePrefix]: Finished finitePrefix Result has 565 conditions, 337 events. 86/337 cut-off events. For 27/35 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 2230 event pairs, 40 based on Foata normal form. 0/210 useless extension candidates. Maximal degree in co-relation 556. Up to 131 conditions per place. [2021-04-28 21:55:02,599 INFO L146 LiptonReduction]: Number of co-enabled transitions 1446 [2021-04-28 21:55:02,858 INFO L158 LiptonReduction]: Checked pairs total: 510 [2021-04-28 21:55:02,859 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:55:02,859 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 334 [2021-04-28 21:55:02,862 INFO L480 AbstractCegarLoop]: Abstraction has has 58 places, 50 transitions, 144 flow [2021-04-28 21:55:02,866 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 240.66666666666666) internal successors, (722), 3 states have internal predecessors, (722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:55:02,866 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:55:02,866 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:55:02,867 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 21:55:02,867 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:55:02,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:55:02,868 INFO L82 PathProgramCache]: Analyzing trace with hash 1724435361, now seen corresponding path program 1 times [2021-04-28 21:55:02,868 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:55:02,868 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289822187] [2021-04-28 21:55:02,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:55:02,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:55:02,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:55:02,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:55:02,995 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 21:55:02,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 21:55:03,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:55:03,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 21:55:03,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:55:03,009 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289822187] [2021-04-28 21:55:03,009 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:55:03,009 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 21:55:03,009 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132765303] [2021-04-28 21:55:03,010 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 21:55:03,010 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:55:03,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 21:55:03,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 21:55:03,015 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 289 out of 382 [2021-04-28 21:55:03,017 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 50 transitions, 144 flow. Second operand has 4 states, 4 states have (on average 289.75) internal successors, (1159), 4 states have internal predecessors, (1159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:55:03,017 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:55:03,017 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 289 of 382 [2021-04-28 21:55:03,017 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:55:09,072 INFO L129 PetriNetUnfolder]: 39239/57574 cut-off events. [2021-04-28 21:55:09,072 INFO L130 PetriNetUnfolder]: For 74/85 co-relation queries the response was YES. [2021-04-28 21:55:09,426 INFO L84 FinitePrefix]: Finished finitePrefix Result has 115285 conditions, 57574 events. 39239/57574 cut-off events. For 74/85 co-relation queries the response was YES. Maximal size of possible extension queue 8619. Compared 506070 event pairs, 20125 based on Foata normal form. 1006/17695 useless extension candidates. Maximal degree in co-relation 115274. Up to 37183 conditions per place. [2021-04-28 21:55:09,632 INFO L132 encePairwiseOnDemand]: 362/382 looper letters, 34 selfloop transitions, 33 changer transitions 0/94 dead transitions. [2021-04-28 21:55:09,632 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 94 transitions, 366 flow [2021-04-28 21:55:09,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 21:55:09,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 21:55:09,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1511 transitions. [2021-04-28 21:55:09,638 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7910994764397906 [2021-04-28 21:55:09,638 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1511 transitions. [2021-04-28 21:55:09,638 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1511 transitions. [2021-04-28 21:55:09,639 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:55:09,640 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1511 transitions. [2021-04-28 21:55:09,644 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 302.2) internal successors, (1511), 5 states have internal predecessors, (1511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:55:09,649 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 382.0) internal successors, (2292), 6 states have internal predecessors, (2292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:55:09,651 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 382.0) internal successors, (2292), 6 states have internal predecessors, (2292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:55:09,651 INFO L185 Difference]: Start difference. First operand has 58 places, 50 transitions, 144 flow. Second operand 5 states and 1511 transitions. [2021-04-28 21:55:09,651 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 94 transitions, 366 flow [2021-04-28 21:55:09,659 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 94 transitions, 354 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 21:55:09,662 INFO L241 Difference]: Finished difference. Result has 63 places, 81 transitions, 378 flow [2021-04-28 21:55:09,662 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=132, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=378, PETRI_PLACES=63, PETRI_TRANSITIONS=81} [2021-04-28 21:55:09,662 INFO L343 CegarLoopForPetriNet]: 148 programPoint places, -85 predicate places. [2021-04-28 21:55:09,662 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:55:09,663 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 63 places, 81 transitions, 378 flow [2021-04-28 21:55:09,663 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 63 places, 81 transitions, 378 flow [2021-04-28 21:55:09,664 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 63 places, 81 transitions, 378 flow [2021-04-28 21:55:13,777 INFO L129 PetriNetUnfolder]: 32182/47819 cut-off events. [2021-04-28 21:55:13,777 INFO L130 PetriNetUnfolder]: For 8489/56346 co-relation queries the response was YES. [2021-04-28 21:55:13,940 INFO L84 FinitePrefix]: Finished finitePrefix Result has 135645 conditions, 47819 events. 32182/47819 cut-off events. For 8489/56346 co-relation queries the response was YES. Maximal size of possible extension queue 7011. Compared 433810 event pairs, 18560 based on Foata normal form. 3/14305 useless extension candidates. Maximal degree in co-relation 135633. Up to 45044 conditions per place. [2021-04-28 21:55:14,483 INFO L146 LiptonReduction]: Number of co-enabled transitions 2100 [2021-04-28 21:55:14,946 INFO L158 LiptonReduction]: Checked pairs total: 894 [2021-04-28 21:55:14,946 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:55:14,947 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5285 [2021-04-28 21:55:14,949 INFO L480 AbstractCegarLoop]: Abstraction has has 63 places, 81 transitions, 378 flow [2021-04-28 21:55:14,950 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 289.75) internal successors, (1159), 4 states have internal predecessors, (1159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:55:14,950 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:55:14,950 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:55:14,950 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 21:55:14,951 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:55:14,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:55:14,951 INFO L82 PathProgramCache]: Analyzing trace with hash -423741704, now seen corresponding path program 1 times [2021-04-28 21:55:14,951 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:55:14,951 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099093857] [2021-04-28 21:55:14,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:55:14,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:55:15,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:55:15,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:55:15,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:55:15,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:55:15,057 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 21:55:15,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 21:55:15,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:55:15,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 21:55:15,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:55:15,067 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099093857] [2021-04-28 21:55:15,067 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:55:15,067 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 21:55:15,068 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005523950] [2021-04-28 21:55:15,068 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 21:55:15,068 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:55:15,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 21:55:15,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 21:55:15,071 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 289 out of 382 [2021-04-28 21:55:15,073 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 81 transitions, 378 flow. Second operand has 5 states, 5 states have (on average 289.8) internal successors, (1449), 5 states have internal predecessors, (1449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:55:15,074 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:55:15,074 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 289 of 382 [2021-04-28 21:55:15,074 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:55:21,197 INFO L129 PetriNetUnfolder]: 42572/65892 cut-off events. [2021-04-28 21:55:21,197 INFO L130 PetriNetUnfolder]: For 16091/140120 co-relation queries the response was YES. [2021-04-28 21:55:21,424 INFO L84 FinitePrefix]: Finished finitePrefix Result has 251923 conditions, 65892 events. 42572/65892 cut-off events. For 16091/140120 co-relation queries the response was YES. Maximal size of possible extension queue 10821. Compared 647599 event pairs, 8524 based on Foata normal form. 1178/22489 useless extension candidates. Maximal degree in co-relation 251909. Up to 61463 conditions per place. [2021-04-28 21:55:21,691 INFO L132 encePairwiseOnDemand]: 362/382 looper letters, 35 selfloop transitions, 64 changer transitions 0/126 dead transitions. [2021-04-28 21:55:21,692 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 126 transitions, 825 flow [2021-04-28 21:55:21,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 21:55:21,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 21:55:21,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2119 transitions. [2021-04-28 21:55:21,700 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7924457741211668 [2021-04-28 21:55:21,700 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2119 transitions. [2021-04-28 21:55:21,700 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2119 transitions. [2021-04-28 21:55:21,702 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:55:21,702 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2119 transitions. [2021-04-28 21:55:21,709 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 302.7142857142857) internal successors, (2119), 7 states have internal predecessors, (2119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:55:21,716 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 382.0) internal successors, (3056), 8 states have internal predecessors, (3056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:55:21,719 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 382.0) internal successors, (3056), 8 states have internal predecessors, (3056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:55:21,720 INFO L185 Difference]: Start difference. First operand has 63 places, 81 transitions, 378 flow. Second operand 7 states and 2119 transitions. [2021-04-28 21:55:21,720 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 126 transitions, 825 flow [2021-04-28 21:55:21,901 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 126 transitions, 825 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 21:55:21,904 INFO L241 Difference]: Finished difference. Result has 72 places, 112 transitions, 820 flow [2021-04-28 21:55:21,905 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=378, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=820, PETRI_PLACES=72, PETRI_TRANSITIONS=112} [2021-04-28 21:55:21,905 INFO L343 CegarLoopForPetriNet]: 148 programPoint places, -76 predicate places. [2021-04-28 21:55:21,905 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:55:21,905 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 72 places, 112 transitions, 820 flow [2021-04-28 21:55:21,906 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 72 places, 112 transitions, 820 flow [2021-04-28 21:55:21,907 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 72 places, 112 transitions, 820 flow [2021-04-28 21:55:27,182 INFO L129 PetriNetUnfolder]: 37221/58024 cut-off events. [2021-04-28 21:55:27,182 INFO L130 PetriNetUnfolder]: For 148848/636922 co-relation queries the response was YES. [2021-04-28 21:55:27,441 INFO L84 FinitePrefix]: Finished finitePrefix Result has 273254 conditions, 58024 events. 37221/58024 cut-off events. For 148848/636922 co-relation queries the response was YES. Maximal size of possible extension queue 9008. Compared 569312 event pairs, 8344 based on Foata normal form. 19/17747 useless extension candidates. Maximal degree in co-relation 273237. Up to 55160 conditions per place. [2021-04-28 21:55:28,177 INFO L146 LiptonReduction]: Number of co-enabled transitions 3034 [2021-04-28 21:55:28,840 INFO L158 LiptonReduction]: Checked pairs total: 1767 [2021-04-28 21:55:28,840 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:55:28,841 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6936 [2021-04-28 21:55:28,843 INFO L480 AbstractCegarLoop]: Abstraction has has 72 places, 112 transitions, 820 flow [2021-04-28 21:55:28,844 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 289.8) internal successors, (1449), 5 states have internal predecessors, (1449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:55:28,844 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:55:28,844 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:55:28,845 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 21:55:28,845 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:55:28,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:55:28,845 INFO L82 PathProgramCache]: Analyzing trace with hash -1289332059, now seen corresponding path program 1 times [2021-04-28 21:55:28,846 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:55:28,846 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006092357] [2021-04-28 21:55:28,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:55:28,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:55:28,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:55:28,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:55:28,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:55:28,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:55:28,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:55:28,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:55:28,917 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 21:55:28,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 21:55:28,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:55:28,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 21:55:28,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:55:28,927 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006092357] [2021-04-28 21:55:28,927 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:55:28,927 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 21:55:28,928 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811397293] [2021-04-28 21:55:28,928 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 21:55:28,928 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:55:28,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 21:55:28,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-28 21:55:28,931 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 289 out of 382 [2021-04-28 21:55:28,934 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 112 transitions, 820 flow. Second operand has 6 states, 6 states have (on average 289.8333333333333) internal successors, (1739), 6 states have internal predecessors, (1739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:55:28,934 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:55:28,934 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 289 of 382 [2021-04-28 21:55:28,935 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:55:36,365 INFO L129 PetriNetUnfolder]: 39683/65244 cut-off events. [2021-04-28 21:55:36,365 INFO L130 PetriNetUnfolder]: For 57551/541100 co-relation queries the response was YES. [2021-04-28 21:55:36,625 INFO L84 FinitePrefix]: Finished finitePrefix Result has 370162 conditions, 65244 events. 39683/65244 cut-off events. For 57551/541100 co-relation queries the response was YES. Maximal size of possible extension queue 11241. Compared 699340 event pairs, 1387 based on Foata normal form. 1205/22084 useless extension candidates. Maximal degree in co-relation 370143. Up to 61526 conditions per place. [2021-04-28 21:55:36,787 INFO L132 encePairwiseOnDemand]: 362/382 looper letters, 24 selfloop transitions, 95 changer transitions 12/158 dead transitions. [2021-04-28 21:55:36,788 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 158 transitions, 1492 flow [2021-04-28 21:55:36,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-28 21:55:36,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-28 21:55:36,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2727 transitions. [2021-04-28 21:55:36,807 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7931937172774869 [2021-04-28 21:55:36,807 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2727 transitions. [2021-04-28 21:55:36,807 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2727 transitions. [2021-04-28 21:55:36,810 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:55:36,810 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2727 transitions. [2021-04-28 21:55:36,819 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 303.0) internal successors, (2727), 9 states have internal predecessors, (2727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:55:36,827 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 382.0) internal successors, (3820), 10 states have internal predecessors, (3820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:55:36,829 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 382.0) internal successors, (3820), 10 states have internal predecessors, (3820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:55:36,830 INFO L185 Difference]: Start difference. First operand has 72 places, 112 transitions, 820 flow. Second operand 9 states and 2727 transitions. [2021-04-28 21:55:36,830 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 158 transitions, 1492 flow [2021-04-28 21:55:42,975 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 158 transitions, 1329 flow, removed 54 selfloop flow, removed 3 redundant places. [2021-04-28 21:55:42,981 INFO L241 Difference]: Finished difference. Result has 80 places, 143 transitions, 1248 flow [2021-04-28 21:55:42,981 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=658, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=76, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1248, PETRI_PLACES=80, PETRI_TRANSITIONS=143} [2021-04-28 21:55:42,981 INFO L343 CegarLoopForPetriNet]: 148 programPoint places, -68 predicate places. [2021-04-28 21:55:42,981 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:55:42,982 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 80 places, 143 transitions, 1248 flow [2021-04-28 21:55:42,982 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 80 places, 143 transitions, 1248 flow [2021-04-28 21:55:42,984 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 80 places, 143 transitions, 1248 flow [2021-04-28 21:55:47,990 INFO L129 PetriNetUnfolder]: 26062/46058 cut-off events. [2021-04-28 21:55:47,991 INFO L130 PetriNetUnfolder]: For 214562/440218 co-relation queries the response was YES. [2021-04-28 21:55:48,208 INFO L84 FinitePrefix]: Finished finitePrefix Result has 267601 conditions, 46058 events. 26062/46058 cut-off events. For 214562/440218 co-relation queries the response was YES. Maximal size of possible extension queue 9136. Compared 525964 event pairs, 1407 based on Foata normal form. 1/13868 useless extension candidates. Maximal degree in co-relation 267581. Up to 37171 conditions per place. [2021-04-28 21:55:48,560 INFO L146 LiptonReduction]: Number of co-enabled transitions 3602 [2021-04-28 21:55:56,325 INFO L158 LiptonReduction]: Checked pairs total: 2697 [2021-04-28 21:55:56,326 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:55:56,326 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 13345 [2021-04-28 21:55:56,327 INFO L480 AbstractCegarLoop]: Abstraction has has 80 places, 143 transitions, 1248 flow [2021-04-28 21:55:56,328 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 289.8333333333333) internal successors, (1739), 6 states have internal predecessors, (1739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:55:56,329 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:55:56,329 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:55:56,329 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 21:55:56,329 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:55:56,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:55:56,330 INFO L82 PathProgramCache]: Analyzing trace with hash -1614977974, now seen corresponding path program 1 times [2021-04-28 21:55:56,330 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:55:56,330 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175568688] [2021-04-28 21:55:56,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:55:56,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:55:56,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:55:56,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 21:55:56,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:55:56,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:55:56,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:55:56,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:55:56,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:55:56,402 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175568688] [2021-04-28 21:55:56,402 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:55:56,402 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 21:55:56,403 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494066224] [2021-04-28 21:55:56,403 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 21:55:56,403 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:55:56,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 21:55:56,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 21:55:56,406 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 250 out of 382 [2021-04-28 21:55:56,407 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 143 transitions, 1248 flow. Second operand has 4 states, 4 states have (on average 251.0) internal successors, (1004), 4 states have internal predecessors, (1004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:55:56,407 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:55:56,408 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 250 of 382 [2021-04-28 21:55:56,408 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:56:06,215 INFO L129 PetriNetUnfolder]: 48237/84068 cut-off events. [2021-04-28 21:56:06,216 INFO L130 PetriNetUnfolder]: For 274054/395449 co-relation queries the response was YES. [2021-04-28 21:56:06,641 INFO L84 FinitePrefix]: Finished finitePrefix Result has 493453 conditions, 84068 events. 48237/84068 cut-off events. For 274054/395449 co-relation queries the response was YES. Maximal size of possible extension queue 16149. Compared 993407 event pairs, 2660 based on Foata normal form. 163/25611 useless extension candidates. Maximal degree in co-relation 493431. Up to 68626 conditions per place. [2021-04-28 21:56:06,931 INFO L132 encePairwiseOnDemand]: 379/382 looper letters, 5 selfloop transitions, 3 changer transitions 0/146 dead transitions. [2021-04-28 21:56:06,931 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 146 transitions, 1276 flow [2021-04-28 21:56:06,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 21:56:06,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 21:56:06,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1007 transitions. [2021-04-28 21:56:06,935 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6590314136125655 [2021-04-28 21:56:06,935 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1007 transitions. [2021-04-28 21:56:06,935 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1007 transitions. [2021-04-28 21:56:06,936 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:56:06,936 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1007 transitions. [2021-04-28 21:56:06,939 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 251.75) internal successors, (1007), 4 states have internal predecessors, (1007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:56:06,943 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 382.0) internal successors, (1910), 5 states have internal predecessors, (1910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:56:06,944 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 382.0) internal successors, (1910), 5 states have internal predecessors, (1910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:56:06,944 INFO L185 Difference]: Start difference. First operand has 80 places, 143 transitions, 1248 flow. Second operand 4 states and 1007 transitions. [2021-04-28 21:56:06,944 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 146 transitions, 1276 flow [2021-04-28 21:59:57,536 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 146 transitions, 944 flow, removed 108 selfloop flow, removed 5 redundant places. [2021-04-28 21:59:57,538 INFO L241 Difference]: Finished difference. Result has 80 places, 145 transitions, 941 flow [2021-04-28 21:59:57,538 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=916, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=143, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=140, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=941, PETRI_PLACES=80, PETRI_TRANSITIONS=145} [2021-04-28 21:59:57,539 INFO L343 CegarLoopForPetriNet]: 148 programPoint places, -68 predicate places. [2021-04-28 21:59:57,539 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:59:57,539 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 80 places, 145 transitions, 941 flow [2021-04-28 21:59:57,539 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 80 places, 145 transitions, 941 flow [2021-04-28 21:59:57,540 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 80 places, 145 transitions, 941 flow [2021-04-28 22:00:04,922 INFO L129 PetriNetUnfolder]: 46551/80679 cut-off events. [2021-04-28 22:00:04,922 INFO L130 PetriNetUnfolder]: For 77907/83464 co-relation queries the response was YES. [2021-04-28 22:00:05,268 INFO L84 FinitePrefix]: Finished finitePrefix Result has 303905 conditions, 80679 events. 46551/80679 cut-off events. For 77907/83464 co-relation queries the response was YES. Maximal size of possible extension queue 15339. Compared 958517 event pairs, 2656 based on Foata normal form. 2/24260 useless extension candidates. Maximal degree in co-relation 303884. Up to 39475 conditions per place. [2021-04-28 22:00:05,813 INFO L146 LiptonReduction]: Number of co-enabled transitions 3810 [2021-04-28 22:01:50,322 INFO L158 LiptonReduction]: Checked pairs total: 2539 [2021-04-28 22:01:50,322 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:01:50,323 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 112784 [2021-04-28 22:01:50,325 INFO L480 AbstractCegarLoop]: Abstraction has has 80 places, 145 transitions, 941 flow [2021-04-28 22:01:50,326 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 251.0) internal successors, (1004), 4 states have internal predecessors, (1004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:01:50,326 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:01:50,326 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:01:50,326 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 22:01:50,327 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:01:50,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:01:50,327 INFO L82 PathProgramCache]: Analyzing trace with hash -629029809, now seen corresponding path program 1 times [2021-04-28 22:01:50,327 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:01:50,327 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158522422] [2021-04-28 22:01:50,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:01:50,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:01:50,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:01:50,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:01:50,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:01:50,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:01:50,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:01:50,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:01:50,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:01:50,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:01:50,475 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 22:01:50,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 22:01:50,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:01:50,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 22:01:50,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:01:50,486 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158522422] [2021-04-28 22:01:50,486 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:01:50,486 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-28 22:01:50,486 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755233703] [2021-04-28 22:01:50,486 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-28 22:01:50,487 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:01:50,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-28 22:01:50,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-28 22:01:50,490 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 289 out of 382 [2021-04-28 22:01:50,492 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 145 transitions, 941 flow. Second operand has 7 states, 7 states have (on average 289.85714285714283) internal successors, (2029), 7 states have internal predecessors, (2029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:01:50,492 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:01:50,493 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 289 of 382 [2021-04-28 22:01:50,493 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:02:00,676 INFO L129 PetriNetUnfolder]: 48171/85736 cut-off events. [2021-04-28 22:02:00,677 INFO L130 PetriNetUnfolder]: For 91182/289762 co-relation queries the response was YES. [2021-04-28 22:02:01,079 INFO L84 FinitePrefix]: Finished finitePrefix Result has 394881 conditions, 85736 events. 48171/85736 cut-off events. For 91182/289762 co-relation queries the response was YES. Maximal size of possible extension queue 16863. Compared 1042348 event pairs, 14 based on Foata normal form. 1357/27853 useless extension candidates. Maximal degree in co-relation 394858. Up to 44928 conditions per place. [2021-04-28 22:02:01,263 INFO L132 encePairwiseOnDemand]: 362/382 looper letters, 6 selfloop transitions, 113 changer transitions 20/168 dead transitions. [2021-04-28 22:02:01,263 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 168 transitions, 1428 flow [2021-04-28 22:02:01,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-04-28 22:02:01,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-04-28 22:02:01,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 3311 transitions. [2021-04-28 22:02:01,273 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7879581151832461 [2021-04-28 22:02:01,273 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 3311 transitions. [2021-04-28 22:02:01,273 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 3311 transitions. [2021-04-28 22:02:01,276 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:02:01,276 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 3311 transitions. [2021-04-28 22:02:01,285 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 301.0) internal successors, (3311), 11 states have internal predecessors, (3311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:02:01,294 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 382.0) internal successors, (4584), 12 states have internal predecessors, (4584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:02:01,296 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 382.0) internal successors, (4584), 12 states have internal predecessors, (4584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:02:01,296 INFO L185 Difference]: Start difference. First operand has 80 places, 145 transitions, 941 flow. Second operand 11 states and 3311 transitions. [2021-04-28 22:02:01,296 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 168 transitions, 1428 flow [2021-04-28 22:04:39,898 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 168 transitions, 1427 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 22:04:39,902 INFO L241 Difference]: Finished difference. Result has 92 places, 145 transitions, 1222 flow [2021-04-28 22:04:39,902 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=940, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=145, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=112, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1222, PETRI_PLACES=92, PETRI_TRANSITIONS=145} [2021-04-28 22:04:39,902 INFO L343 CegarLoopForPetriNet]: 148 programPoint places, -56 predicate places. [2021-04-28 22:04:39,902 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:04:39,903 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 92 places, 145 transitions, 1222 flow [2021-04-28 22:04:39,903 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 92 places, 145 transitions, 1222 flow [2021-04-28 22:04:39,904 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 90 places, 145 transitions, 1222 flow [2021-04-28 22:04:46,744 INFO L129 PetriNetUnfolder]: 36102/66185 cut-off events. [2021-04-28 22:04:46,744 INFO L130 PetriNetUnfolder]: For 208664/345785 co-relation queries the response was YES. [2021-04-28 22:04:47,073 INFO L84 FinitePrefix]: Finished finitePrefix Result has 295606 conditions, 66185 events. 36102/66185 cut-off events. For 208664/345785 co-relation queries the response was YES. Maximal size of possible extension queue 15231. Compared 836046 event pairs, 10 based on Foata normal form. 2/19352 useless extension candidates. Maximal degree in co-relation 295581. Up to 43200 conditions per place. [2021-04-28 22:04:47,600 INFO L146 LiptonReduction]: Number of co-enabled transitions 3702 [2021-04-28 22:05:33,910 INFO L158 LiptonReduction]: Checked pairs total: 2464 [2021-04-28 22:05:33,910 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:05:33,910 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 54008 [2021-04-28 22:05:33,911 INFO L480 AbstractCegarLoop]: Abstraction has has 90 places, 145 transitions, 1222 flow [2021-04-28 22:05:33,912 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 289.85714285714283) internal successors, (2029), 7 states have internal predecessors, (2029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:05:33,912 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:05:33,912 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] [2021-04-28 22:05:33,912 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 22:05:33,913 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:05:33,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:05:33,913 INFO L82 PathProgramCache]: Analyzing trace with hash -34412259, now seen corresponding path program 1 times [2021-04-28 22:05:33,913 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:05:33,913 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867507852] [2021-04-28 22:05:33,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:05:33,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:05:34,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:05:34,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 22:05:34,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:05:34,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:05:34,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:05:34,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:05:34,026 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-04-28 22:05:34,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-28 22:05:34,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:05:34,037 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867507852] [2021-04-28 22:05:34,037 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:05:34,037 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 22:05:34,037 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293168046] [2021-04-28 22:05:34,038 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 22:05:34,038 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:05:34,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 22:05:34,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 22:05:34,041 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 237 out of 382 [2021-04-28 22:05:34,047 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 145 transitions, 1222 flow. Second operand has 5 states, 5 states have (on average 238.6) internal successors, (1193), 5 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) [2021-04-28 22:05:34,048 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:05:34,048 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 237 of 382 [2021-04-28 22:05:34,048 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:05:48,357 INFO L129 PetriNetUnfolder]: 68607/125124 cut-off events. [2021-04-28 22:05:48,358 INFO L130 PetriNetUnfolder]: For 437024/1050960 co-relation queries the response was YES. [2021-04-28 22:05:48,927 INFO L84 FinitePrefix]: Finished finitePrefix Result has 559110 conditions, 125124 events. 68607/125124 cut-off events. For 437024/1050960 co-relation queries the response was YES. Maximal size of possible extension queue 29508. Compared 1623277 event pairs, 9 based on Foata normal form. 97/36320 useless extension candidates. Maximal degree in co-relation 559083. Up to 82944 conditions per place. [2021-04-28 22:05:49,317 INFO L132 encePairwiseOnDemand]: 374/382 looper letters, 10 selfloop transitions, 10 changer transitions 13/163 dead transitions. [2021-04-28 22:05:49,318 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 163 transitions, 1376 flow [2021-04-28 22:05:49,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-28 22:05:49,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-28 22:05:49,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1448 transitions. [2021-04-28 22:05:49,323 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.631762652705061 [2021-04-28 22:05:49,323 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1448 transitions. [2021-04-28 22:05:49,323 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1448 transitions. [2021-04-28 22:05:49,324 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:05:49,324 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1448 transitions. [2021-04-28 22:05:49,328 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 241.33333333333334) internal successors, (1448), 6 states have internal predecessors, (1448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:05:49,332 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 382.0) internal successors, (2674), 7 states have internal predecessors, (2674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:05:49,333 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 382.0) internal successors, (2674), 7 states have internal predecessors, (2674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:05:49,333 INFO L185 Difference]: Start difference. First operand has 90 places, 145 transitions, 1222 flow. Second operand 6 states and 1448 transitions. [2021-04-28 22:05:49,333 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 163 transitions, 1376 flow Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown