/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/mix027_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 19:26:30,113 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 19:26:30,117 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 19:26:30,172 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 19:26:30,173 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 19:26:30,177 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 19:26:30,180 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 19:26:30,188 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 19:26:30,191 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 19:26:30,197 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 19:26:30,198 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 19:26:30,200 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 19:26:30,201 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 19:26:30,203 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 19:26:30,205 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 19:26:30,207 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 19:26:30,210 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 19:26:30,212 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 19:26:30,219 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 19:26:30,227 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 19:26:30,229 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 19:26:30,231 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 19:26:30,232 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 19:26:30,235 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 19:26:30,243 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-28 19:26:30,254 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 19:26:30,255 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 19:26:30,256 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 19:26:30,257 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 19:26:30,307 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 19:26:30,307 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 19:26:30,311 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 19:26:30,311 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 19:26:30,311 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 19:26:30,312 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 19:26:30,312 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 19:26:30,312 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 19:26:30,312 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 19:26:30,313 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 19:26:30,314 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 19:26:30,314 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 19:26:30,314 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 19:26:30,315 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 19:26:30,315 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 19:26:30,315 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 19:26:30,315 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 19:26:30,315 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 19:26:30,316 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 19:26:30,316 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 19:26:30,316 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 19:26:30,317 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 19:26:30,317 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 19:26:30,317 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 19:26:30,317 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 19:26:30,317 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 19:26:30,318 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 19:26:30,318 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 19:26:30,318 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 19:26:30,318 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 19:26:30,318 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 19:26:30,744 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 19:26:30,775 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 19:26:30,778 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 19:26:30,780 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 19:26:30,780 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 19:26:30,781 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix027_pso.opt.i [2021-04-28 19:26:30,864 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f00b4a14b/88cb9dbc5c4645b99e82f016a5f8e211/FLAG8e783743a [2021-04-28 19:26:31,664 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 19:26:31,669 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix027_pso.opt.i [2021-04-28 19:26:31,693 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f00b4a14b/88cb9dbc5c4645b99e82f016a5f8e211/FLAG8e783743a [2021-04-28 19:26:31,884 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f00b4a14b/88cb9dbc5c4645b99e82f016a5f8e211 [2021-04-28 19:26:31,887 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 19:26:31,937 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 19:26:31,939 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 19:26:31,939 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 19:26:31,942 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 19:26:31,943 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 07:26:31" (1/1) ... [2021-04-28 19:26:31,945 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1df5cbfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:26:31, skipping insertion in model container [2021-04-28 19:26:31,945 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 07:26:31" (1/1) ... [2021-04-28 19:26:31,953 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 19:26:31,998 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 19:26:32,164 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/mix027_pso.opt.i[948,961] [2021-04-28 19:26:32,495 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 19:26:32,509 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 19:26:32,526 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/mix027_pso.opt.i[948,961] [2021-04-28 19:26:32,633 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 19:26:32,772 INFO L208 MainTranslator]: Completed translation [2021-04-28 19:26:32,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:26:32 WrapperNode [2021-04-28 19:26:32,772 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 19:26:32,774 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 19:26:32,774 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 19:26:32,774 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 19:26:32,782 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:26:32" (1/1) ... [2021-04-28 19:26:32,802 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:26:32" (1/1) ... [2021-04-28 19:26:32,832 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 19:26:32,832 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 19:26:32,833 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 19:26:32,833 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 19:26:32,842 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:26:32" (1/1) ... [2021-04-28 19:26:32,843 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:26:32" (1/1) ... [2021-04-28 19:26:32,848 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:26:32" (1/1) ... [2021-04-28 19:26:32,848 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:26:32" (1/1) ... [2021-04-28 19:26:32,862 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:26:32" (1/1) ... [2021-04-28 19:26:32,867 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:26:32" (1/1) ... [2021-04-28 19:26:32,871 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:26:32" (1/1) ... [2021-04-28 19:26:32,877 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 19:26:32,878 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 19:26:32,878 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 19:26:32,878 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 19:26:32,880 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:26:32" (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 19:26:32,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 19:26:32,977 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 19:26:32,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 19:26:32,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 19:26:32,979 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 19:26:32,979 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 19:26:32,980 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 19:26:32,980 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 19:26:32,980 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-28 19:26:32,980 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-28 19:26:32,980 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-04-28 19:26:32,981 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-04-28 19:26:32,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 19:26:32,981 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 19:26:32,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 19:26:32,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 19:26:32,984 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 19:26:34,940 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 19:26:34,940 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 19:26:34,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 07:26:34 BoogieIcfgContainer [2021-04-28 19:26:34,943 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 19:26:34,944 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 19:26:34,945 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 19:26:34,948 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 19:26:34,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 07:26:31" (1/3) ... [2021-04-28 19:26:34,950 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36a671ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 07:26:34, skipping insertion in model container [2021-04-28 19:26:34,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:26:32" (2/3) ... [2021-04-28 19:26:34,950 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36a671ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 07:26:34, skipping insertion in model container [2021-04-28 19:26:34,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 07:26:34" (3/3) ... [2021-04-28 19:26:34,952 INFO L111 eAbstractionObserver]: Analyzing ICFG mix027_pso.opt.i [2021-04-28 19:26:34,960 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 19:26:34,965 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 19:26:34,966 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 19:26:35,006 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,006 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,006 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,007 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,007 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,007 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,007 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,008 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,008 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,008 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,008 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,009 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,009 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,009 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,010 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,010 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,010 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,010 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,010 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,011 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,011 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,011 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,011 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,012 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,012 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,012 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,012 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,012 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,013 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,013 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,013 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,013 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,013 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,014 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,014 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,014 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,014 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,014 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,015 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,015 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,015 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,015 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,015 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,016 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,016 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,016 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,016 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,016 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,017 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,017 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,017 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,017 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,017 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,018 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,018 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,018 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,018 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,018 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,020 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,021 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,021 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,021 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,021 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,021 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,021 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,022 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,022 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,022 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,022 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,023 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,023 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,023 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,023 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,023 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,024 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,024 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,024 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,024 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,024 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,025 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,025 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,025 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,025 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,025 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,026 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,026 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,026 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,026 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,027 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,027 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,027 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,027 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,027 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,028 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,028 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,028 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,031 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,031 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,031 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,031 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,032 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,032 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,032 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,033 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,033 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,033 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,033 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,034 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,034 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,034 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,034 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,035 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,035 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,035 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,035 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,036 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,036 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,036 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,036 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,037 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,037 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,037 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,037 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,038 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,038 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,038 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,038 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,038 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,039 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,039 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,039 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,040 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,040 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,040 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,040 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,041 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,041 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,041 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,041 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,042 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,042 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,042 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,042 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,043 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,043 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,043 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,043 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,043 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,044 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,044 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,044 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,045 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,045 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,045 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,045 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,045 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,046 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,046 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,046 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,047 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,049 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,049 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,050 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,050 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,050 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,050 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,051 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,051 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,051 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,051 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,051 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,052 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,052 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,052 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,052 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,053 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,053 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,053 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,053 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,054 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,054 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,054 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,054 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,054 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,055 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,055 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,055 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,057 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,058 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,058 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,058 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,058 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,059 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,059 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,059 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,059 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,060 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,060 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,060 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,062 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,062 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,062 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,062 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,063 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,063 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,063 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,063 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,064 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,064 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,066 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,067 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,067 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,067 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:26:35,070 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 19:26:35,093 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-04-28 19:26:35,118 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 19:26:35,119 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 19:26:35,119 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 19:26:35,119 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 19:26:35,119 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 19:26:35,119 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 19:26:35,120 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 19:26:35,120 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 19:26:35,134 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 126 places, 115 transitions, 250 flow [2021-04-28 19:26:35,185 INFO L129 PetriNetUnfolder]: 2/111 cut-off events. [2021-04-28 19:26:35,185 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 19:26:35,191 INFO L84 FinitePrefix]: Finished finitePrefix Result has 124 conditions, 111 events. 2/111 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 82 event pairs, 0 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 75. Up to 2 conditions per place. [2021-04-28 19:26:35,191 INFO L82 GeneralOperation]: Start removeDead. Operand has 126 places, 115 transitions, 250 flow [2021-04-28 19:26:35,197 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 122 places, 111 transitions, 234 flow [2021-04-28 19:26:35,199 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:26:35,215 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 122 places, 111 transitions, 234 flow [2021-04-28 19:26:35,219 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 122 places, 111 transitions, 234 flow [2021-04-28 19:26:35,221 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 122 places, 111 transitions, 234 flow [2021-04-28 19:26:35,249 INFO L129 PetriNetUnfolder]: 2/111 cut-off events. [2021-04-28 19:26:35,249 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 19:26:35,250 INFO L84 FinitePrefix]: Finished finitePrefix Result has 124 conditions, 111 events. 2/111 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 83 event pairs, 0 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 75. Up to 2 conditions per place. [2021-04-28 19:26:35,255 INFO L146 LiptonReduction]: Number of co-enabled transitions 2512 [2021-04-28 19:26:36,114 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2021-04-28 19:26:38,069 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 19:26:38,659 WARN L205 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 83 [2021-04-28 19:26:38,844 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 19:26:54,379 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-28 19:26:54,532 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-28 19:26:54,665 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-28 19:26:54,796 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-28 19:26:54,922 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 19:26:55,046 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 19:26:55,171 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 19:26:55,284 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 19:26:56,533 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 19:26:58,420 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 19:26:58,724 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 19:26:58,846 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 19:26:58,965 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 19:26:59,093 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 19:26:59,197 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 19:26:59,301 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 19:26:59,410 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 19:26:59,525 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 19:26:59,663 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 19:26:59,793 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 19:26:59,926 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 19:27:00,059 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 19:27:00,444 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 19:27:00,553 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 19:27:00,689 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 19:27:00,793 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 19:27:01,308 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 19:27:01,449 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 19:27:01,592 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 19:27:01,734 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 19:27:01,842 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 19:27:01,948 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 19:27:02,050 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 19:27:02,157 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 19:27:02,580 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 19:27:02,692 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 19:27:02,801 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 19:27:02,926 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 19:27:03,084 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 19:27:03,248 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 19:27:03,411 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 19:27:03,574 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 19:27:03,701 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 19:27:03,819 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 19:27:03,939 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 19:27:04,055 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 19:27:04,445 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 19:27:04,630 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 19:27:04,772 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 19:27:04,909 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 19:27:05,044 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 19:27:05,193 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 19:27:05,353 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 19:27:05,508 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 19:27:05,681 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 19:27:05,792 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 19:27:05,908 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 19:27:06,022 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 19:27:06,140 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 19:27:06,540 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 117 [2021-04-28 19:27:06,723 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2021-04-28 19:27:07,117 WARN L205 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 117 [2021-04-28 19:27:07,303 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2021-04-28 19:27:07,431 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 19:27:07,565 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 19:27:07,695 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 19:27:07,823 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 19:27:08,238 WARN L205 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-04-28 19:27:08,426 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2021-04-28 19:27:08,856 WARN L205 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-04-28 19:27:09,052 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2021-04-28 19:27:09,212 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 19:27:09,360 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 19:27:09,511 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 19:27:09,662 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 19:27:09,821 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 19:27:09,972 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 19:27:10,133 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 19:27:10,291 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 19:27:10,457 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 19:27:10,611 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 19:27:10,779 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 19:27:10,935 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 19:27:11,037 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 19:27:11,235 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 19:27:11,492 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 19:27:11,652 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 19:27:11,805 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 19:27:11,957 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 19:27:12,121 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 19:27:12,278 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 19:27:12,437 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 19:27:12,595 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 19:27:12,731 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 19:27:12,869 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 19:27:13,003 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 19:27:13,137 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 19:27:13,287 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 19:27:13,443 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 19:27:13,587 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 19:27:13,731 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 19:27:13,798 INFO L158 LiptonReduction]: Checked pairs total: 24971 [2021-04-28 19:27:13,798 INFO L160 LiptonReduction]: Total number of compositions: 289 [2021-04-28 19:27:13,805 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 38608 [2021-04-28 19:27:13,830 INFO L129 PetriNetUnfolder]: 0/79 cut-off events. [2021-04-28 19:27:13,830 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 19:27:13,831 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:27:13,831 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-04-28 19:27:13,832 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 19:27:13,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:27:13,838 INFO L82 PathProgramCache]: Analyzing trace with hash -1795852820, now seen corresponding path program 1 times [2021-04-28 19:27:13,848 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:27:13,848 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408645526] [2021-04-28 19:27:13,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:27:14,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 19:27:14,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:27:14,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 19:27:14,159 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 19:27:14,159 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408645526] [2021-04-28 19:27:14,160 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 19:27:14,160 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 19:27:14,161 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809066737] [2021-04-28 19:27:14,170 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 19:27:14,171 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 19:27:14,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 19:27:14,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 19:27:14,190 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 328 out of 404 [2021-04-28 19:27:14,196 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 154 places, 142 transitions, 296 flow. Second operand has 3 states, 3 states have (on average 328.6666666666667) internal successors, (986), 3 states have internal predecessors, (986), 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 19:27:14,196 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 19:27:14,196 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 328 of 404 [2021-04-28 19:27:14,197 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 19:27:14,358 INFO L129 PetriNetUnfolder]: 29/429 cut-off events. [2021-04-28 19:27:14,359 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 19:27:14,362 INFO L84 FinitePrefix]: Finished finitePrefix Result has 508 conditions, 429 events. 29/429 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 3400 event pairs, 15 based on Foata normal form. 23/106 useless extension candidates. Maximal degree in co-relation 426. Up to 41 conditions per place. [2021-04-28 19:27:14,366 INFO L132 encePairwiseOnDemand]: 386/404 looper letters, 7 selfloop transitions, 2 changer transitions 63/141 dead transitions. [2021-04-28 19:27:14,366 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 141 transitions, 336 flow [2021-04-28 19:27:14,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 19:27:14,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 19:27:14,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1012 transitions. [2021-04-28 19:27:14,387 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.834983498349835 [2021-04-28 19:27:14,388 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1012 transitions. [2021-04-28 19:27:14,388 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1012 transitions. [2021-04-28 19:27:14,393 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 19:27:14,396 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1012 transitions. [2021-04-28 19:27:14,408 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 337.3333333333333) internal successors, (1012), 3 states have internal predecessors, (1012), 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 19:27:14,432 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 404.0) internal successors, (1616), 4 states have internal predecessors, (1616), 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 19:27:14,436 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 404.0) internal successors, (1616), 4 states have internal predecessors, (1616), 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 19:27:14,438 INFO L185 Difference]: Start difference. First operand has 154 places, 142 transitions, 296 flow. Second operand 3 states and 1012 transitions. [2021-04-28 19:27:14,439 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 141 transitions, 336 flow [2021-04-28 19:27:14,443 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 141 transitions, 332 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-04-28 19:27:14,447 INFO L241 Difference]: Finished difference. Result has 149 places, 75 transitions, 162 flow [2021-04-28 19:27:14,450 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=404, PETRI_DIFFERENCE_MINUEND_FLOW=284, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=138, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=136, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=162, PETRI_PLACES=149, PETRI_TRANSITIONS=75} [2021-04-28 19:27:14,451 INFO L343 CegarLoopForPetriNet]: 154 programPoint places, -5 predicate places. [2021-04-28 19:27:14,451 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:27:14,451 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 149 places, 75 transitions, 162 flow [2021-04-28 19:27:14,453 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 149 places, 75 transitions, 162 flow [2021-04-28 19:27:14,453 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 86 places, 75 transitions, 162 flow [2021-04-28 19:27:14,466 INFO L129 PetriNetUnfolder]: 0/75 cut-off events. [2021-04-28 19:27:14,466 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 19:27:14,466 INFO L84 FinitePrefix]: Finished finitePrefix Result has 87 conditions, 75 events. 0/75 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 348 event pairs, 0 based on Foata normal form. 0/27 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-28 19:27:14,469 INFO L146 LiptonReduction]: Number of co-enabled transitions 2820 [2021-04-28 19:27:14,695 INFO L158 LiptonReduction]: Checked pairs total: 3748 [2021-04-28 19:27:14,696 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 19:27:14,696 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 245 [2021-04-28 19:27:14,699 INFO L480 AbstractCegarLoop]: Abstraction has has 86 places, 75 transitions, 162 flow [2021-04-28 19:27:14,700 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 328.6666666666667) internal successors, (986), 3 states have internal predecessors, (986), 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 19:27:14,700 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:27:14,700 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 19:27:14,700 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 19:27:14,701 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 19:27:14,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:27:14,701 INFO L82 PathProgramCache]: Analyzing trace with hash -1829390289, now seen corresponding path program 1 times [2021-04-28 19:27:14,701 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:27:14,702 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452394828] [2021-04-28 19:27:14,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:27:14,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 19:27:14,883 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 19:27:14,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 19:27:14,896 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 19:27:14,897 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452394828] [2021-04-28 19:27:14,897 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 19:27:14,897 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 19:27:14,897 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686565250] [2021-04-28 19:27:14,900 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 19:27:14,900 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 19:27:14,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 19:27:14,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 19:27:14,910 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 240 out of 404 [2021-04-28 19:27:14,912 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 75 transitions, 162 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 19:27:14,912 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 19:27:14,912 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 240 of 404 [2021-04-28 19:27:14,912 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 19:27:17,111 INFO L129 PetriNetUnfolder]: 5247/12903 cut-off events. [2021-04-28 19:27:17,112 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 19:27:17,180 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20562 conditions, 12903 events. 5247/12903 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1816. Compared 157778 event pairs, 1730 based on Foata normal form. 0/7940 useless extension candidates. Maximal degree in co-relation 20553. Up to 3952 conditions per place. [2021-04-28 19:27:17,202 INFO L132 encePairwiseOnDemand]: 380/404 looper letters, 8 selfloop transitions, 8 changer transitions 50/106 dead transitions. [2021-04-28 19:27:17,202 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 106 transitions, 356 flow [2021-04-28 19:27:17,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 19:27:17,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 19:27:17,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 783 transitions. [2021-04-28 19:27:17,206 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6460396039603961 [2021-04-28 19:27:17,206 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 783 transitions. [2021-04-28 19:27:17,207 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 783 transitions. [2021-04-28 19:27:17,207 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 19:27:17,207 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 783 transitions. [2021-04-28 19:27:17,210 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 261.0) internal successors, (783), 3 states have internal predecessors, (783), 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 19:27:17,214 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 404.0) internal successors, (1616), 4 states have internal predecessors, (1616), 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 19:27:17,215 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 404.0) internal successors, (1616), 4 states have internal predecessors, (1616), 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 19:27:17,215 INFO L185 Difference]: Start difference. First operand has 86 places, 75 transitions, 162 flow. Second operand 3 states and 783 transitions. [2021-04-28 19:27:17,216 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 106 transitions, 356 flow [2021-04-28 19:27:17,217 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 106 transitions, 352 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 19:27:17,219 INFO L241 Difference]: Finished difference. Result has 88 places, 56 transitions, 168 flow [2021-04-28 19:27:17,220 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=404, PETRI_DIFFERENCE_MINUEND_FLOW=158, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=168, PETRI_PLACES=88, PETRI_TRANSITIONS=56} [2021-04-28 19:27:17,221 INFO L343 CegarLoopForPetriNet]: 154 programPoint places, -66 predicate places. [2021-04-28 19:27:17,221 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:27:17,221 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 88 places, 56 transitions, 168 flow [2021-04-28 19:27:17,222 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 88 places, 56 transitions, 168 flow [2021-04-28 19:27:17,223 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 62 places, 56 transitions, 168 flow [2021-04-28 19:27:17,368 INFO L129 PetriNetUnfolder]: 241/821 cut-off events. [2021-04-28 19:27:17,368 INFO L130 PetriNetUnfolder]: For 102/113 co-relation queries the response was YES. [2021-04-28 19:27:17,372 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1418 conditions, 821 events. 241/821 cut-off events. For 102/113 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 6731 event pairs, 83 based on Foata normal form. 0/556 useless extension candidates. Maximal degree in co-relation 1409. Up to 263 conditions per place. [2021-04-28 19:27:17,390 INFO L146 LiptonReduction]: Number of co-enabled transitions 1762 [2021-04-28 19:27:17,489 INFO L158 LiptonReduction]: Checked pairs total: 742 [2021-04-28 19:27:17,489 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 19:27:17,489 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 268 [2021-04-28 19:27:17,498 INFO L480 AbstractCegarLoop]: Abstraction has has 62 places, 56 transitions, 168 flow [2021-04-28 19:27:17,499 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 19:27:17,499 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:27:17,499 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 19:27:17,499 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 19:27:17,499 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 19:27:17,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:27:17,500 INFO L82 PathProgramCache]: Analyzing trace with hash -876526371, now seen corresponding path program 1 times [2021-04-28 19:27:17,500 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:27:17,500 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118110358] [2021-04-28 19:27:17,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:27:17,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 19:27:17,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:27:17,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:27:17,623 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 19:27:17,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 19:27:17,638 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 19:27:17,638 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118110358] [2021-04-28 19:27:17,639 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 19:27:17,639 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 19:27:17,639 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219498124] [2021-04-28 19:27:17,639 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 19:27:17,640 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 19:27:17,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 19:27:17,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 19:27:17,646 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 240 out of 404 [2021-04-28 19:27:17,648 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 56 transitions, 168 flow. Second operand has 4 states, 4 states have (on average 240.75) internal successors, (963), 4 states have internal predecessors, (963), 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 19:27:17,648 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 19:27:17,648 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 240 of 404 [2021-04-28 19:27:17,648 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 19:27:17,796 INFO L129 PetriNetUnfolder]: 170/631 cut-off events. [2021-04-28 19:27:17,797 INFO L130 PetriNetUnfolder]: For 112/349 co-relation queries the response was YES. [2021-04-28 19:27:17,800 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1372 conditions, 631 events. 170/631 cut-off events. For 112/349 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 4680 event pairs, 24 based on Foata normal form. 13/447 useless extension candidates. Maximal degree in co-relation 1361. Up to 187 conditions per place. [2021-04-28 19:27:17,806 INFO L132 encePairwiseOnDemand]: 396/404 looper letters, 16 selfloop transitions, 8 changer transitions 0/64 dead transitions. [2021-04-28 19:27:17,806 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 64 transitions, 256 flow [2021-04-28 19:27:17,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 19:27:17,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 19:27:17,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 979 transitions. [2021-04-28 19:27:17,811 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6058168316831684 [2021-04-28 19:27:17,811 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 979 transitions. [2021-04-28 19:27:17,811 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 979 transitions. [2021-04-28 19:27:17,812 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 19:27:17,812 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 979 transitions. [2021-04-28 19:27:17,816 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 244.75) internal successors, (979), 4 states have internal predecessors, (979), 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 19:27:17,820 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 404.0) internal successors, (2020), 5 states have internal predecessors, (2020), 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 19:27:17,822 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 404.0) internal successors, (2020), 5 states have internal predecessors, (2020), 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 19:27:17,822 INFO L185 Difference]: Start difference. First operand has 62 places, 56 transitions, 168 flow. Second operand 4 states and 979 transitions. [2021-04-28 19:27:17,822 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 64 transitions, 256 flow [2021-04-28 19:27:17,828 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 64 transitions, 232 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 19:27:17,830 INFO L241 Difference]: Finished difference. Result has 66 places, 60 transitions, 210 flow [2021-04-28 19:27:17,831 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=404, PETRI_DIFFERENCE_MINUEND_FLOW=152, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=210, PETRI_PLACES=66, PETRI_TRANSITIONS=60} [2021-04-28 19:27:17,831 INFO L343 CegarLoopForPetriNet]: 154 programPoint places, -88 predicate places. [2021-04-28 19:27:17,831 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:27:17,832 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 66 places, 60 transitions, 210 flow [2021-04-28 19:27:17,833 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 66 places, 60 transitions, 210 flow [2021-04-28 19:27:17,833 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 66 places, 60 transitions, 210 flow [2021-04-28 19:27:17,926 INFO L129 PetriNetUnfolder]: 170/584 cut-off events. [2021-04-28 19:27:17,926 INFO L130 PetriNetUnfolder]: For 185/192 co-relation queries the response was YES. [2021-04-28 19:27:17,930 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1171 conditions, 584 events. 170/584 cut-off events. For 185/192 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 4295 event pairs, 48 based on Foata normal form. 0/411 useless extension candidates. Maximal degree in co-relation 1159. Up to 187 conditions per place. [2021-04-28 19:27:17,947 INFO L146 LiptonReduction]: Number of co-enabled transitions 1930 [2021-04-28 19:27:17,965 INFO L158 LiptonReduction]: Checked pairs total: 879 [2021-04-28 19:27:17,966 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 19:27:17,966 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 135 [2021-04-28 19:27:17,968 INFO L480 AbstractCegarLoop]: Abstraction has has 66 places, 60 transitions, 210 flow [2021-04-28 19:27:17,969 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 240.75) internal successors, (963), 4 states have internal predecessors, (963), 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 19:27:17,969 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:27:17,970 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 19:27:17,970 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 19:27:17,970 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 19:27:17,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:27:17,970 INFO L82 PathProgramCache]: Analyzing trace with hash -1402543606, now seen corresponding path program 1 times [2021-04-28 19:27:17,971 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:27:17,971 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244513012] [2021-04-28 19:27:17,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:27:18,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 19:27:18,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:27:18,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:27:18,068 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 19:27:18,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 19:27:18,080 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 19:27:18,081 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244513012] [2021-04-28 19:27:18,081 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 19:27:18,081 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 19:27:18,081 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28038393] [2021-04-28 19:27:18,083 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 19:27:18,083 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 19:27:18,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 19:27:18,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 19:27:18,086 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 240 out of 404 [2021-04-28 19:27:18,087 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 60 transitions, 210 flow. Second operand has 4 states, 4 states have (on average 241.0) internal successors, (964), 4 states have internal predecessors, (964), 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 19:27:18,088 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 19:27:18,088 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 240 of 404 [2021-04-28 19:27:18,088 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 19:27:18,226 INFO L129 PetriNetUnfolder]: 152/540 cut-off events. [2021-04-28 19:27:18,226 INFO L130 PetriNetUnfolder]: For 215/474 co-relation queries the response was YES. [2021-04-28 19:27:18,230 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1341 conditions, 540 events. 152/540 cut-off events. For 215/474 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 3706 event pairs, 30 based on Foata normal form. 12/394 useless extension candidates. Maximal degree in co-relation 1327. Up to 171 conditions per place. [2021-04-28 19:27:18,234 INFO L132 encePairwiseOnDemand]: 395/404 looper letters, 16 selfloop transitions, 18 changer transitions 0/74 dead transitions. [2021-04-28 19:27:18,235 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 74 transitions, 364 flow [2021-04-28 19:27:18,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 19:27:18,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 19:27:18,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 983 transitions. [2021-04-28 19:27:18,239 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6082920792079208 [2021-04-28 19:27:18,239 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 983 transitions. [2021-04-28 19:27:18,239 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 983 transitions. [2021-04-28 19:27:18,240 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 19:27:18,240 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 983 transitions. [2021-04-28 19:27:18,244 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 245.75) internal successors, (983), 4 states have internal predecessors, (983), 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 19:27:18,248 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 404.0) internal successors, (2020), 5 states have internal predecessors, (2020), 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 19:27:18,250 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 404.0) internal successors, (2020), 5 states have internal predecessors, (2020), 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 19:27:18,250 INFO L185 Difference]: Start difference. First operand has 66 places, 60 transitions, 210 flow. Second operand 4 states and 983 transitions. [2021-04-28 19:27:18,251 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 74 transitions, 364 flow [2021-04-28 19:27:18,255 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 74 transitions, 359 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 19:27:18,259 INFO L241 Difference]: Finished difference. Result has 71 places, 71 transitions, 364 flow [2021-04-28 19:27:18,259 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=404, PETRI_DIFFERENCE_MINUEND_FLOW=207, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=364, PETRI_PLACES=71, PETRI_TRANSITIONS=71} [2021-04-28 19:27:18,259 INFO L343 CegarLoopForPetriNet]: 154 programPoint places, -83 predicate places. [2021-04-28 19:27:18,260 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:27:18,260 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 71 places, 71 transitions, 364 flow [2021-04-28 19:27:18,260 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 71 places, 71 transitions, 364 flow [2021-04-28 19:27:18,261 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 71 places, 71 transitions, 364 flow [2021-04-28 19:27:18,355 INFO L129 PetriNetUnfolder]: 152/554 cut-off events. [2021-04-28 19:27:18,355 INFO L130 PetriNetUnfolder]: For 600/624 co-relation queries the response was YES. [2021-04-28 19:27:18,359 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1408 conditions, 554 events. 152/554 cut-off events. For 600/624 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 4034 event pairs, 40 based on Foata normal form. 2/388 useless extension candidates. Maximal degree in co-relation 1392. Up to 171 conditions per place. [2021-04-28 19:27:18,376 INFO L146 LiptonReduction]: Number of co-enabled transitions 2358 [2021-04-28 19:27:18,674 INFO L158 LiptonReduction]: Checked pairs total: 1291 [2021-04-28 19:27:18,674 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 19:27:18,674 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 414 [2021-04-28 19:27:18,683 INFO L480 AbstractCegarLoop]: Abstraction has has 71 places, 71 transitions, 364 flow [2021-04-28 19:27:18,688 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 241.0) internal successors, (964), 4 states have internal predecessors, (964), 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 19:27:18,688 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:27:18,688 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 19:27:18,688 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 19:27:18,689 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 19:27:18,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:27:18,689 INFO L82 PathProgramCache]: Analyzing trace with hash -1654745206, now seen corresponding path program 1 times [2021-04-28 19:27:18,689 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:27:18,690 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677776985] [2021-04-28 19:27:18,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:27:18,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 19:27:18,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:27:18,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:27:18,800 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 19:27:18,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 19:27:18,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:27:18,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 19:27:18,809 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 19:27:18,809 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677776985] [2021-04-28 19:27:18,810 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 19:27:18,810 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 19:27:18,810 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067062406] [2021-04-28 19:27:18,810 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 19:27:18,810 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 19:27:18,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 19:27:18,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 19:27:18,813 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 307 out of 404 [2021-04-28 19:27:18,815 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 71 transitions, 364 flow. Second operand has 4 states, 4 states have (on average 307.75) internal successors, (1231), 4 states have internal predecessors, (1231), 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 19:27:18,816 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 19:27:18,816 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 307 of 404 [2021-04-28 19:27:18,816 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 19:27:27,229 INFO L129 PetriNetUnfolder]: 48532/73279 cut-off events. [2021-04-28 19:27:27,229 INFO L130 PetriNetUnfolder]: For 4555/4728 co-relation queries the response was YES. [2021-04-28 19:27:27,668 INFO L84 FinitePrefix]: Finished finitePrefix Result has 149345 conditions, 73279 events. 48532/73279 cut-off events. For 4555/4728 co-relation queries the response was YES. Maximal size of possible extension queue 12105. Compared 712513 event pairs, 25061 based on Foata normal form. 1364/22010 useless extension candidates. Maximal degree in co-relation 149327. Up to 46444 conditions per place. [2021-04-28 19:27:28,051 INFO L132 encePairwiseOnDemand]: 384/404 looper letters, 34 selfloop transitions, 33 changer transitions 0/115 dead transitions. [2021-04-28 19:27:28,051 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 115 transitions, 586 flow [2021-04-28 19:27:28,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 19:27:28,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 19:27:28,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1601 transitions. [2021-04-28 19:27:28,057 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7925742574257426 [2021-04-28 19:27:28,057 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1601 transitions. [2021-04-28 19:27:28,057 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1601 transitions. [2021-04-28 19:27:28,059 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 19:27:28,059 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1601 transitions. [2021-04-28 19:27:28,064 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 320.2) internal successors, (1601), 5 states have internal predecessors, (1601), 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 19:27:28,070 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 404.0) internal successors, (2424), 6 states have internal predecessors, (2424), 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 19:27:28,072 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 404.0) internal successors, (2424), 6 states have internal predecessors, (2424), 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 19:27:28,072 INFO L185 Difference]: Start difference. First operand has 71 places, 71 transitions, 364 flow. Second operand 5 states and 1601 transitions. [2021-04-28 19:27:28,073 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 115 transitions, 586 flow [2021-04-28 19:27:28,101 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 115 transitions, 586 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 19:27:28,104 INFO L241 Difference]: Finished difference. Result has 78 places, 102 transitions, 610 flow [2021-04-28 19:27:28,104 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=404, PETRI_DIFFERENCE_MINUEND_FLOW=364, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=610, PETRI_PLACES=78, PETRI_TRANSITIONS=102} [2021-04-28 19:27:28,104 INFO L343 CegarLoopForPetriNet]: 154 programPoint places, -76 predicate places. [2021-04-28 19:27:28,104 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:27:28,105 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 78 places, 102 transitions, 610 flow [2021-04-28 19:27:28,105 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 78 places, 102 transitions, 610 flow [2021-04-28 19:27:28,106 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 78 places, 102 transitions, 610 flow [2021-04-28 19:27:34,588 INFO L129 PetriNetUnfolder]: 43914/67191 cut-off events. [2021-04-28 19:27:34,588 INFO L130 PetriNetUnfolder]: For 14882/134341 co-relation queries the response was YES. [2021-04-28 19:27:34,872 INFO L84 FinitePrefix]: Finished finitePrefix Result has 192714 conditions, 67191 events. 43914/67191 cut-off events. For 14882/134341 co-relation queries the response was YES. Maximal size of possible extension queue 10744. Compared 668056 event pairs, 23968 based on Foata normal form. 16/19391 useless extension candidates. Maximal degree in co-relation 192693. Up to 63254 conditions per place. [2021-04-28 19:27:35,498 INFO L146 LiptonReduction]: Number of co-enabled transitions 3722 [2021-04-28 19:27:52,276 INFO L158 LiptonReduction]: Checked pairs total: 2151 [2021-04-28 19:27:52,277 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 19:27:52,277 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 24173 [2021-04-28 19:27:52,279 INFO L480 AbstractCegarLoop]: Abstraction has has 78 places, 102 transitions, 610 flow [2021-04-28 19:27:52,280 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 307.75) internal successors, (1231), 4 states have internal predecessors, (1231), 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 19:27:52,281 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:27:52,281 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 19:27:52,281 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 19:27:52,281 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 19:27:52,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:27:52,282 INFO L82 PathProgramCache]: Analyzing trace with hash -1372233967, now seen corresponding path program 1 times [2021-04-28 19:27:52,282 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:27:52,282 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209624959] [2021-04-28 19:27:52,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:27:52,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 19:27:52,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:27:52,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 19:27:52,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:27:52,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:27:52,330 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 19:27:52,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 19:27:52,343 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 19:27:52,343 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209624959] [2021-04-28 19:27:52,343 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 19:27:52,344 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 19:27:52,344 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661485643] [2021-04-28 19:27:52,344 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 19:27:52,344 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 19:27:52,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 19:27:52,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 19:27:52,348 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 240 out of 404 [2021-04-28 19:27:52,350 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 102 transitions, 610 flow. Second operand has 4 states, 4 states have (on average 241.25) internal successors, (965), 4 states have internal predecessors, (965), 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 19:27:52,350 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 19:27:52,350 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 240 of 404 [2021-04-28 19:27:52,350 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 19:28:04,666 INFO L129 PetriNetUnfolder]: 72090/108381 cut-off events. [2021-04-28 19:28:04,666 INFO L130 PetriNetUnfolder]: For 28407/350984 co-relation queries the response was YES. [2021-04-28 19:28:05,130 INFO L84 FinitePrefix]: Finished finitePrefix Result has 312199 conditions, 108381 events. 72090/108381 cut-off events. For 28407/350984 co-relation queries the response was YES. Maximal size of possible extension queue 17538. Compared 1089396 event pairs, 41115 based on Foata normal form. 735/31987 useless extension candidates. Maximal degree in co-relation 312176. Up to 102938 conditions per place. [2021-04-28 19:28:05,737 INFO L132 encePairwiseOnDemand]: 395/404 looper letters, 19 selfloop transitions, 24 changer transitions 0/114 dead transitions. [2021-04-28 19:28:05,737 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 114 transitions, 794 flow [2021-04-28 19:28:05,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 19:28:05,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 19:28:05,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 983 transitions. [2021-04-28 19:28:05,742 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6082920792079208 [2021-04-28 19:28:05,742 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 983 transitions. [2021-04-28 19:28:05,742 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 983 transitions. [2021-04-28 19:28:05,743 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 19:28:05,743 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 983 transitions. [2021-04-28 19:28:05,746 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 245.75) internal successors, (983), 4 states have internal predecessors, (983), 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 19:28:05,749 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 404.0) internal successors, (2020), 5 states have internal predecessors, (2020), 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 19:28:05,750 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 404.0) internal successors, (2020), 5 states have internal predecessors, (2020), 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 19:28:05,750 INFO L185 Difference]: Start difference. First operand has 78 places, 102 transitions, 610 flow. Second operand 4 states and 983 transitions. [2021-04-28 19:28:05,750 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 114 transitions, 794 flow [2021-04-28 19:28:05,980 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 114 transitions, 794 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 19:28:05,983 INFO L241 Difference]: Finished difference. Result has 84 places, 109 transitions, 797 flow [2021-04-28 19:28:05,983 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=404, PETRI_DIFFERENCE_MINUEND_FLOW=610, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=797, PETRI_PLACES=84, PETRI_TRANSITIONS=109} [2021-04-28 19:28:05,983 INFO L343 CegarLoopForPetriNet]: 154 programPoint places, -70 predicate places. [2021-04-28 19:28:05,983 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:28:05,984 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 84 places, 109 transitions, 797 flow [2021-04-28 19:28:05,984 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 84 places, 109 transitions, 797 flow [2021-04-28 19:28:05,985 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 84 places, 109 transitions, 797 flow [2021-04-28 19:28:17,891 INFO L129 PetriNetUnfolder]: 76477/114733 cut-off events. [2021-04-28 19:28:17,892 INFO L130 PetriNetUnfolder]: For 25001/253384 co-relation queries the response was YES. [2021-04-28 19:28:18,429 INFO L84 FinitePrefix]: Finished finitePrefix Result has 329975 conditions, 114733 events. 76477/114733 cut-off events. For 25001/253384 co-relation queries the response was YES. Maximal size of possible extension queue 17866. Compared 1157306 event pairs, 42870 based on Foata normal form. 32/32724 useless extension candidates. Maximal degree in co-relation 329949. Up to 109493 conditions per place. [2021-04-28 19:28:19,560 INFO L146 LiptonReduction]: Number of co-enabled transitions 4348 [2021-04-28 19:28:36,702 INFO L158 LiptonReduction]: Checked pairs total: 2364 [2021-04-28 19:28:36,702 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 19:28:36,703 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 30720 [2021-04-28 19:28:36,704 INFO L480 AbstractCegarLoop]: Abstraction has has 84 places, 109 transitions, 797 flow [2021-04-28 19:28:36,705 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 241.25) internal successors, (965), 4 states have internal predecessors, (965), 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 19:28:36,705 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:28:36,705 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 19:28:36,705 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 19:28:36,705 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 19:28:36,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:28:36,706 INFO L82 PathProgramCache]: Analyzing trace with hash -930880733, now seen corresponding path program 1 times [2021-04-28 19:28:36,706 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:28:36,706 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252085070] [2021-04-28 19:28:36,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:28:36,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 19:28:36,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:28:36,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:28:36,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:28:36,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:28:36,783 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 19:28:36,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 19:28:36,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:28:36,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 19:28:36,796 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 19:28:36,796 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252085070] [2021-04-28 19:28:36,797 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 19:28:36,797 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 19:28:36,797 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306161177] [2021-04-28 19:28:36,797 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 19:28:36,797 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 19:28:36,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 19:28:36,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 19:28:36,800 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 307 out of 404 [2021-04-28 19:28:36,802 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 109 transitions, 797 flow. Second operand has 5 states, 5 states have (on average 307.8) internal successors, (1539), 5 states have internal predecessors, (1539), 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 19:28:36,802 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 19:28:36,802 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 307 of 404 [2021-04-28 19:28:36,802 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 19:28:53,769 INFO L129 PetriNetUnfolder]: 88311/137306 cut-off events. [2021-04-28 19:28:53,769 INFO L130 PetriNetUnfolder]: For 47683/1758976 co-relation queries the response was YES. [2021-04-28 19:28:54,491 INFO L84 FinitePrefix]: Finished finitePrefix Result has 528537 conditions, 137306 events. 88311/137306 cut-off events. For 47683/1758976 co-relation queries the response was YES. Maximal size of possible extension queue 24480. Compared 1444678 event pairs, 17274 based on Foata normal form. 2644/45169 useless extension candidates. Maximal degree in co-relation 528509. Up to 128408 conditions per place. [2021-04-28 19:28:55,081 INFO L132 encePairwiseOnDemand]: 384/404 looper letters, 35 selfloop transitions, 64 changer transitions 0/154 dead transitions. [2021-04-28 19:28:55,081 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 154 transitions, 1244 flow [2021-04-28 19:28:55,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 19:28:55,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 19:28:55,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2245 transitions. [2021-04-28 19:28:55,095 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7938472418670438 [2021-04-28 19:28:55,095 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2245 transitions. [2021-04-28 19:28:55,095 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2245 transitions. [2021-04-28 19:28:55,097 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 19:28:55,097 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2245 transitions. [2021-04-28 19:28:55,103 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 320.7142857142857) internal successors, (2245), 7 states have internal predecessors, (2245), 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 19:28:55,112 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 404.0) internal successors, (3232), 8 states have internal predecessors, (3232), 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 19:28:55,114 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 404.0) internal successors, (3232), 8 states have internal predecessors, (3232), 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 19:28:55,114 INFO L185 Difference]: Start difference. First operand has 84 places, 109 transitions, 797 flow. Second operand 7 states and 2245 transitions. [2021-04-28 19:28:55,114 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 154 transitions, 1244 flow [2021-04-28 19:28:55,439 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 154 transitions, 1242 flow, removed 1 selfloop flow, removed 0 redundant places. [2021-04-28 19:28:55,444 INFO L241 Difference]: Finished difference. Result has 93 places, 140 transitions, 1237 flow [2021-04-28 19:28:55,444 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=404, PETRI_DIFFERENCE_MINUEND_FLOW=795, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1237, PETRI_PLACES=93, PETRI_TRANSITIONS=140} [2021-04-28 19:28:55,444 INFO L343 CegarLoopForPetriNet]: 154 programPoint places, -61 predicate places. [2021-04-28 19:28:55,445 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:28:55,445 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 93 places, 140 transitions, 1237 flow [2021-04-28 19:28:55,445 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 93 places, 140 transitions, 1237 flow [2021-04-28 19:28:55,446 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 93 places, 140 transitions, 1237 flow [2021-04-28 19:29:12,158 INFO L129 PetriNetUnfolder]: 83681/132980 cut-off events. [2021-04-28 19:29:12,158 INFO L130 PetriNetUnfolder]: For 385914/1596348 co-relation queries the response was YES. [2021-04-28 19:29:13,313 INFO L84 FinitePrefix]: Finished finitePrefix Result has 630819 conditions, 132980 events. 83681/132980 cut-off events. For 385914/1596348 co-relation queries the response was YES. Maximal size of possible extension queue 22138. Compared 1475619 event pairs, 17472 based on Foata normal form. 70/39326 useless extension candidates. Maximal degree in co-relation 630788. Up to 127235 conditions per place. [2021-04-28 19:29:14,707 INFO L146 LiptonReduction]: Number of co-enabled transitions 6054 [2021-04-28 19:29:52,080 INFO L158 LiptonReduction]: Checked pairs total: 4345 [2021-04-28 19:29:52,081 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 19:29:52,081 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 56636 [2021-04-28 19:29:52,082 INFO L480 AbstractCegarLoop]: Abstraction has has 93 places, 140 transitions, 1237 flow [2021-04-28 19:29:52,083 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 307.8) internal successors, (1539), 5 states have internal predecessors, (1539), 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 19:29:52,083 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:29:52,083 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 19:29:52,083 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 19:29:52,084 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 19:29:52,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:29:52,084 INFO L82 PathProgramCache]: Analyzing trace with hash 1084968522, now seen corresponding path program 1 times [2021-04-28 19:29:52,085 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:29:52,085 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395606573] [2021-04-28 19:29:52,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:29:52,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 19:29:52,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:29:52,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:29:52,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:29:52,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:29:52,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:29:52,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:29:52,165 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 19:29:52,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 19:29:52,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:29:52,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 19:29:52,174 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 19:29:52,175 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395606573] [2021-04-28 19:29:52,175 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 19:29:52,175 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 19:29:52,175 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204207794] [2021-04-28 19:29:52,175 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 19:29:52,175 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 19:29:52,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 19:29:52,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-28 19:29:52,179 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 307 out of 404 [2021-04-28 19:29:52,181 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 140 transitions, 1237 flow. Second operand has 6 states, 6 states have (on average 307.8333333333333) internal successors, (1847), 6 states have internal predecessors, (1847), 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 19:29:52,181 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 19:29:52,181 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 307 of 404 [2021-04-28 19:29:52,181 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 19:30:11,526 INFO L129 PetriNetUnfolder]: 82659/136496 cut-off events. [2021-04-28 19:30:11,526 INFO L130 PetriNetUnfolder]: For 152557/4330885 co-relation queries the response was YES. [2021-04-28 19:30:12,354 INFO L84 FinitePrefix]: Finished finitePrefix Result has 776598 conditions, 136496 events. 82659/136496 cut-off events. For 152557/4330885 co-relation queries the response was YES. Maximal size of possible extension queue 25740. Compared 1551704 event pairs, 2748 based on Foata normal form. 2808/44747 useless extension candidates. Maximal degree in co-relation 776565. Up to 128831 conditions per place. [2021-04-28 19:30:12,944 INFO L132 encePairwiseOnDemand]: 384/404 looper letters, 24 selfloop transitions, 95 changer transitions 12/186 dead transitions. [2021-04-28 19:30:12,944 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 186 transitions, 1909 flow [2021-04-28 19:30:12,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-28 19:30:12,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-28 19:30:12,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2889 transitions. [2021-04-28 19:30:12,953 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7945544554455446 [2021-04-28 19:30:12,954 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2889 transitions. [2021-04-28 19:30:12,954 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2889 transitions. [2021-04-28 19:30:12,956 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 19:30:12,956 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2889 transitions. [2021-04-28 19:30:12,964 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 321.0) internal successors, (2889), 9 states have internal predecessors, (2889), 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 19:30:12,973 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 404.0) internal successors, (4040), 10 states have internal predecessors, (4040), 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 19:30:12,975 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 404.0) internal successors, (4040), 10 states have internal predecessors, (4040), 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 19:30:12,975 INFO L185 Difference]: Start difference. First operand has 93 places, 140 transitions, 1237 flow. Second operand 9 states and 2889 transitions. [2021-04-28 19:30:12,976 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 186 transitions, 1909 flow [2021-04-28 19:30:47,921 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 186 transitions, 1746 flow, removed 54 selfloop flow, removed 3 redundant places. [2021-04-28 19:30:47,925 INFO L241 Difference]: Finished difference. Result has 101 places, 171 transitions, 1665 flow [2021-04-28 19:30:47,926 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=404, PETRI_DIFFERENCE_MINUEND_FLOW=1075, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=76, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1665, PETRI_PLACES=101, PETRI_TRANSITIONS=171} [2021-04-28 19:30:47,926 INFO L343 CegarLoopForPetriNet]: 154 programPoint places, -53 predicate places. [2021-04-28 19:30:47,926 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:30:47,926 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 101 places, 171 transitions, 1665 flow [2021-04-28 19:30:47,927 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 101 places, 171 transitions, 1665 flow [2021-04-28 19:30:47,928 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 101 places, 171 transitions, 1665 flow [2021-04-28 19:31:02,021 INFO L129 PetriNetUnfolder]: 61389/110251 cut-off events. [2021-04-28 19:31:02,021 INFO L130 PetriNetUnfolder]: For 764327/1370227 co-relation queries the response was YES. [2021-04-28 19:31:02,727 INFO L84 FinitePrefix]: Finished finitePrefix Result has 641491 conditions, 110251 events. 61389/110251 cut-off events. For 764327/1370227 co-relation queries the response was YES. Maximal size of possible extension queue 21899. Compared 1396951 event pairs, 2643 based on Foata normal form. 4/32189 useless extension candidates. Maximal degree in co-relation 641457. Up to 88975 conditions per place. [2021-04-28 19:31:04,155 INFO L146 LiptonReduction]: Number of co-enabled transitions 6902 [2021-04-28 19:33:39,826 INFO L158 LiptonReduction]: Checked pairs total: 6431 [2021-04-28 19:33:39,826 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 19:33:39,827 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 171901 [2021-04-28 19:33:39,828 INFO L480 AbstractCegarLoop]: Abstraction has has 101 places, 171 transitions, 1665 flow [2021-04-28 19:33:39,829 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 307.8333333333333) internal successors, (1847), 6 states have internal predecessors, (1847), 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 19:33:39,829 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:33:39,829 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 19:33:39,829 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-28 19:33:39,829 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 19:33:39,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:33:39,830 INFO L82 PathProgramCache]: Analyzing trace with hash -86192570, now seen corresponding path program 1 times [2021-04-28 19:33:39,830 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:33:39,831 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048955829] [2021-04-28 19:33:39,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:33:39,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 19:33:39,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:33:39,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 19:33:39,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:33:39,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:33:39,900 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 19:33:39,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 19:33:39,911 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 19:33:39,911 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048955829] [2021-04-28 19:33:39,911 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 19:33:39,911 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 19:33:39,912 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043194058] [2021-04-28 19:33:39,912 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 19:33:39,912 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 19:33:39,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 19:33:39,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 19:33:39,915 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 237 out of 404 [2021-04-28 19:33:39,916 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 171 transitions, 1665 flow. Second operand has 4 states, 4 states have (on average 239.25) internal successors, (957), 4 states have internal predecessors, (957), 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 19:33:39,916 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 19:33:39,916 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 237 of 404 [2021-04-28 19:33:39,917 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 19:34:00,579 INFO L129 PetriNetUnfolder]: 77905/137631 cut-off events. [2021-04-28 19:34:00,580 INFO L130 PetriNetUnfolder]: For 1025430/1873648 co-relation queries the response was YES. [2021-04-28 19:34:01,500 INFO L84 FinitePrefix]: Finished finitePrefix Result has 804628 conditions, 137631 events. 77905/137631 cut-off events. For 1025430/1873648 co-relation queries the response was YES. Maximal size of possible extension queue 25575. Compared 1694356 event pairs, 3902 based on Foata normal form. 322/41010 useless extension candidates. Maximal degree in co-relation 804592. Up to 111502 conditions per place. [2021-04-28 19:34:02,120 INFO L132 encePairwiseOnDemand]: 394/404 looper letters, 24 selfloop transitions, 45 changer transitions 0/201 dead transitions. [2021-04-28 19:34:02,121 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 201 transitions, 2138 flow [2021-04-28 19:34:02,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 19:34:02,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 19:34:02,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1217 transitions. [2021-04-28 19:34:02,126 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6024752475247525 [2021-04-28 19:34:02,126 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1217 transitions. [2021-04-28 19:34:02,127 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1217 transitions. [2021-04-28 19:34:02,128 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 19:34:02,128 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1217 transitions. [2021-04-28 19:34:02,131 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 243.4) internal successors, (1217), 5 states have internal predecessors, (1217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:34:02,136 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 404.0) internal successors, (2424), 6 states have internal predecessors, (2424), 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 19:34:02,137 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 404.0) internal successors, (2424), 6 states have internal predecessors, (2424), 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 19:34:02,137 INFO L185 Difference]: Start difference. First operand has 101 places, 171 transitions, 1665 flow. Second operand 5 states and 1217 transitions. [2021-04-28 19:34:02,137 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 201 transitions, 2138 flow Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown