/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe004_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-25 14:49:23,007 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-25 14:49:23,009 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-25 14:49:23,032 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-25 14:49:23,033 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-25 14:49:23,034 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-25 14:49:23,035 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-25 14:49:23,037 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-25 14:49:23,038 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-25 14:49:23,039 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-25 14:49:23,040 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-25 14:49:23,041 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-25 14:49:23,041 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-25 14:49:23,042 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-25 14:49:23,043 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-25 14:49:23,044 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-25 14:49:23,044 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-25 14:49:23,045 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-25 14:49:23,046 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-25 14:49:23,048 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-25 14:49:23,049 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-25 14:49:23,050 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-25 14:49:23,051 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-25 14:49:23,052 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-25 14:49:23,054 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-25 14:49:23,060 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-25 14:49:23,061 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-25 14:49:23,062 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-25 14:49:23,062 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbe.epf [2021-03-25 14:49:23,325 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-25 14:49:23,326 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-25 14:49:23,327 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-25 14:49:23,327 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-25 14:49:23,327 INFO L138 SettingsManager]: * Use SBE=true [2021-03-25 14:49:23,328 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-25 14:49:23,328 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-25 14:49:23,328 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-25 14:49:23,328 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-25 14:49:23,328 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-25 14:49:23,328 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-25 14:49:23,328 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-25 14:49:23,329 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-25 14:49:23,329 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-25 14:49:23,329 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-25 14:49:23,329 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-25 14:49:23,329 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-25 14:49:23,329 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-25 14:49:23,329 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-25 14:49:23,330 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-25 14:49:23,330 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-25 14:49:23,330 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-25 14:49:23,330 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-25 14:49:23,330 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-25 14:49:23,330 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-25 14:49:23,331 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-25 14:49:23,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-25 14:49:23,331 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-25 14:49:23,331 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-25 14:49:23,331 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-25 14:49:23,611 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-25 14:49:23,631 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-25 14:49:23,633 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-25 14:49:23,634 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-25 14:49:23,634 INFO L275 PluginConnector]: CDTParser initialized [2021-03-25 14:49:23,638 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe004_tso.oepc.i [2021-03-25 14:49:23,699 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbbede7af/a4094a605da940378da71c0484caaa5f/FLAG355dd49a8 [2021-03-25 14:49:24,246 INFO L306 CDTParser]: Found 1 translation units. [2021-03-25 14:49:24,246 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe004_tso.oepc.i [2021-03-25 14:49:24,260 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbbede7af/a4094a605da940378da71c0484caaa5f/FLAG355dd49a8 [2021-03-25 14:49:24,518 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbbede7af/a4094a605da940378da71c0484caaa5f [2021-03-25 14:49:24,520 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-25 14:49:24,521 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-25 14:49:24,522 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-25 14:49:24,522 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-25 14:49:24,527 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-25 14:49:24,528 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 02:49:24" (1/1) ... [2021-03-25 14:49:24,529 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c6d1ba1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:49:24, skipping insertion in model container [2021-03-25 14:49:24,529 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 02:49:24" (1/1) ... [2021-03-25 14:49:24,535 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-25 14:49:24,577 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-25 14:49:24,722 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/safe004_tso.oepc.i[950,963] [2021-03-25 14:49:24,889 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 14:49:24,895 INFO L203 MainTranslator]: Completed pre-run [2021-03-25 14:49:24,905 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/safe004_tso.oepc.i[950,963] [2021-03-25 14:49:24,947 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 14:49:25,022 INFO L208 MainTranslator]: Completed translation [2021-03-25 14:49:25,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:49:25 WrapperNode [2021-03-25 14:49:25,023 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-25 14:49:25,025 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-25 14:49:25,026 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-25 14:49:25,026 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-25 14:49:25,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:49:25" (1/1) ... [2021-03-25 14:49:25,060 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:49:25" (1/1) ... [2021-03-25 14:49:25,082 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-25 14:49:25,083 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-25 14:49:25,084 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-25 14:49:25,084 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-25 14:49:25,090 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:49:25" (1/1) ... [2021-03-25 14:49:25,090 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:49:25" (1/1) ... [2021-03-25 14:49:25,101 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:49:25" (1/1) ... [2021-03-25 14:49:25,101 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:49:25" (1/1) ... [2021-03-25 14:49:25,110 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:49:25" (1/1) ... [2021-03-25 14:49:25,111 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:49:25" (1/1) ... [2021-03-25 14:49:25,113 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:49:25" (1/1) ... [2021-03-25 14:49:25,115 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-25 14:49:25,115 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-25 14:49:25,115 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-25 14:49:25,115 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-25 14:49:25,116 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:49:25" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-25 14:49:25,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-25 14:49:25,191 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-25 14:49:25,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-25 14:49:25,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-25 14:49:25,192 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-25 14:49:25,193 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-25 14:49:25,193 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-25 14:49:25,194 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-25 14:49:25,194 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-25 14:49:25,194 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-25 14:49:25,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-25 14:49:25,194 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-25 14:49:25,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-25 14:49:25,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-25 14:49:25,196 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-25 14:49:25,597 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-25 14:49:25,597 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-03-25 14:49:25,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 02:49:25 BoogieIcfgContainer [2021-03-25 14:49:25,599 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-25 14:49:25,602 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-25 14:49:25,602 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-25 14:49:25,604 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-25 14:49:25,605 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.03 02:49:24" (1/3) ... [2021-03-25 14:49:25,605 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41b76572 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 02:49:25, skipping insertion in model container [2021-03-25 14:49:25,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:49:25" (2/3) ... [2021-03-25 14:49:25,606 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41b76572 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 02:49:25, skipping insertion in model container [2021-03-25 14:49:25,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 02:49:25" (3/3) ... [2021-03-25 14:49:25,607 INFO L111 eAbstractionObserver]: Analyzing ICFG safe004_tso.oepc.i [2021-03-25 14:49:25,612 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-25 14:49:25,616 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-25 14:49:25,617 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-25 14:49:25,653 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:49:25,653 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:49:25,653 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:49:25,653 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:49:25,654 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:49:25,654 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:49:25,654 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:49:25,654 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:49:25,654 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:49:25,654 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:49:25,655 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:49:25,655 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:49:25,656 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:49:25,656 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:49:25,656 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:49:25,656 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:49:25,656 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:49:25,656 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:49:25,656 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:49:25,656 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:49:25,657 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:49:25,657 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:49:25,657 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:49:25,657 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:49:25,659 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:49:25,659 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:49:25,659 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:49:25,659 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:49:25,660 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:49:25,660 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:49:25,660 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:49:25,660 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:49:25,660 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:49:25,660 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:49:25,661 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:49:25,661 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:49:25,663 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:49:25,664 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:49:25,664 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:49:25,664 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:49:25,670 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:49:25,670 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:49:25,670 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:49:25,670 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:49:25,675 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:49:25,675 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:49:25,675 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:49:25,676 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:49:25,678 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-25 14:49:25,695 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-03-25 14:49:25,720 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-25 14:49:25,720 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-25 14:49:25,720 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-25 14:49:25,720 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-25 14:49:25,720 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-25 14:49:25,720 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-25 14:49:25,720 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-25 14:49:25,721 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-25 14:49:25,732 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 82 places, 74 transitions, 163 flow [2021-03-25 14:49:25,765 INFO L129 PetriNetUnfolder]: 2/71 cut-off events. [2021-03-25 14:49:25,765 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:49:25,768 INFO L84 FinitePrefix]: Finished finitePrefix Result has 81 conditions, 71 events. 2/71 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 57 event pairs, 0 based on Foata normal form. 0/68 useless extension candidates. Maximal degree in co-relation 56. Up to 2 conditions per place. [2021-03-25 14:49:25,768 INFO L82 GeneralOperation]: Start removeDead. Operand has 82 places, 74 transitions, 163 flow [2021-03-25 14:49:25,774 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 68 places, 59 transitions, 127 flow [2021-03-25 14:49:25,775 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:49:25,790 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 68 places, 59 transitions, 127 flow [2021-03-25 14:49:25,795 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 68 places, 59 transitions, 127 flow [2021-03-25 14:49:25,797 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 68 places, 59 transitions, 127 flow [2021-03-25 14:49:25,809 INFO L129 PetriNetUnfolder]: 1/59 cut-off events. [2021-03-25 14:49:25,810 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:49:25,810 INFO L84 FinitePrefix]: Finished finitePrefix Result has 69 conditions, 59 events. 1/59 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 45 event pairs, 0 based on Foata normal form. 0/58 useless extension candidates. Maximal degree in co-relation 44. Up to 2 conditions per place. [2021-03-25 14:49:25,812 INFO L142 LiptonReduction]: Number of co-enabled transitions 864 [2021-03-25 14:49:27,338 INFO L154 LiptonReduction]: Checked pairs total: 996 [2021-03-25 14:49:27,338 INFO L156 LiptonReduction]: Total number of compositions: 37 [2021-03-25 14:49:27,340 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1566 [2021-03-25 14:49:27,350 INFO L129 PetriNetUnfolder]: 0/21 cut-off events. [2021-03-25 14:49:27,350 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:49:27,350 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:49:27,351 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:49:27,351 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:49:27,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:49:27,355 INFO L82 PathProgramCache]: Analyzing trace with hash -1399899973, now seen corresponding path program 1 times [2021-03-25 14:49:27,362 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:49:27,362 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158917587] [2021-03-25 14:49:27,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:49:27,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:49:27,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:49:27,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 14:49:27,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:49:27,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:49:27,584 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-03-25 14:49:27,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 14:49:27,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:49:27,610 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158917587] [2021-03-25 14:49:27,610 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:49:27,611 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 14:49:27,611 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443098190] [2021-03-25 14:49:27,622 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 14:49:27,622 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:49:27,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 14:49:27,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-25 14:49:27,643 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 111 [2021-03-25 14:49:27,646 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 22 transitions, 53 flow. Second operand has 4 states, 4 states have (on average 86.75) internal successors, (347), 4 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:49:27,647 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:49:27,652 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 111 [2021-03-25 14:49:27,653 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:49:27,707 INFO L129 PetriNetUnfolder]: 38/114 cut-off events. [2021-03-25 14:49:27,707 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:49:27,708 INFO L84 FinitePrefix]: Finished finitePrefix Result has 206 conditions, 114 events. 38/114 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 433 event pairs, 16 based on Foata normal form. 11/118 useless extension candidates. Maximal degree in co-relation 192. Up to 35 conditions per place. [2021-03-25 14:49:27,711 INFO L132 encePairwiseOnDemand]: 104/111 looper letters, 11 selfloop transitions, 6 changer transitions 0/30 dead transitions. [2021-03-25 14:49:27,711 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 30 transitions, 103 flow [2021-03-25 14:49:27,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-25 14:49:27,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-25 14:49:27,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 363 transitions. [2021-03-25 14:49:27,725 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8175675675675675 [2021-03-25 14:49:27,726 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 363 transitions. [2021-03-25 14:49:27,726 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 363 transitions. [2021-03-25 14:49:27,728 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:49:27,730 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 363 transitions. [2021-03-25 14:49:27,733 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 90.75) internal successors, (363), 4 states have internal predecessors, (363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:49:27,747 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 111.0) internal successors, (555), 5 states have internal predecessors, (555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:49:27,748 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 111.0) internal successors, (555), 5 states have internal predecessors, (555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:49:27,749 INFO L185 Difference]: Start difference. First operand has 32 places, 22 transitions, 53 flow. Second operand 4 states and 363 transitions. [2021-03-25 14:49:27,750 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 30 transitions, 103 flow [2021-03-25 14:49:27,752 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 30 transitions, 100 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-25 14:49:27,753 INFO L241 Difference]: Finished difference. Result has 35 places, 26 transitions, 94 flow [2021-03-25 14:49:27,755 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=50, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=94, PETRI_PLACES=35, PETRI_TRANSITIONS=26} [2021-03-25 14:49:27,756 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 3 predicate places. [2021-03-25 14:49:27,756 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:49:27,756 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 35 places, 26 transitions, 94 flow [2021-03-25 14:49:27,756 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 35 places, 26 transitions, 94 flow [2021-03-25 14:49:27,757 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 35 places, 26 transitions, 94 flow [2021-03-25 14:49:27,765 INFO L129 PetriNetUnfolder]: 17/79 cut-off events. [2021-03-25 14:49:27,766 INFO L130 PetriNetUnfolder]: For 23/27 co-relation queries the response was YES. [2021-03-25 14:49:27,766 INFO L84 FinitePrefix]: Finished finitePrefix Result has 170 conditions, 79 events. 17/79 cut-off events. For 23/27 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 270 event pairs, 5 based on Foata normal form. 1/74 useless extension candidates. Maximal degree in co-relation 157. Up to 24 conditions per place. [2021-03-25 14:49:27,767 INFO L142 LiptonReduction]: Number of co-enabled transitions 182 [2021-03-25 14:49:28,260 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2021-03-25 14:49:28,486 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2021-03-25 14:49:28,571 INFO L154 LiptonReduction]: Checked pairs total: 186 [2021-03-25 14:49:28,572 INFO L156 LiptonReduction]: Total number of compositions: 5 [2021-03-25 14:49:28,572 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 816 [2021-03-25 14:49:28,573 INFO L480 AbstractCegarLoop]: Abstraction has has 30 places, 21 transitions, 84 flow [2021-03-25 14:49:28,573 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 86.75) internal successors, (347), 4 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:49:28,573 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:49:28,573 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:49:28,574 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-25 14:49:28,574 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:49:28,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:49:28,574 INFO L82 PathProgramCache]: Analyzing trace with hash -288169063, now seen corresponding path program 1 times [2021-03-25 14:49:28,574 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:49:28,574 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700366078] [2021-03-25 14:49:28,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:49:28,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:49:28,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:49:28,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 14:49:28,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:49:28,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:49:28,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:49:28,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:49:28,645 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-03-25 14:49:28,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 14:49:28,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:49:28,656 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700366078] [2021-03-25 14:49:28,656 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:49:28,657 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 14:49:28,657 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539313210] [2021-03-25 14:49:28,658 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 14:49:28,658 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:49:28,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 14:49:28,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-03-25 14:49:28,662 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 116 [2021-03-25 14:49:28,663 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 21 transitions, 84 flow. Second operand has 5 states, 5 states have (on average 89.2) internal successors, (446), 5 states have internal predecessors, (446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:49:28,663 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:49:28,663 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 116 [2021-03-25 14:49:28,663 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:49:28,725 INFO L129 PetriNetUnfolder]: 34/111 cut-off events. [2021-03-25 14:49:28,725 INFO L130 PetriNetUnfolder]: For 54/57 co-relation queries the response was YES. [2021-03-25 14:49:28,727 INFO L84 FinitePrefix]: Finished finitePrefix Result has 308 conditions, 111 events. 34/111 cut-off events. For 54/57 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 457 event pairs, 10 based on Foata normal form. 5/111 useless extension candidates. Maximal degree in co-relation 296. Up to 44 conditions per place. [2021-03-25 14:49:28,727 INFO L132 encePairwiseOnDemand]: 109/116 looper letters, 7 selfloop transitions, 8 changer transitions 11/35 dead transitions. [2021-03-25 14:49:28,728 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 35 transitions, 206 flow [2021-03-25 14:49:28,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 14:49:28,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 14:49:28,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 461 transitions. [2021-03-25 14:49:28,730 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7948275862068965 [2021-03-25 14:49:28,730 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 461 transitions. [2021-03-25 14:49:28,730 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 461 transitions. [2021-03-25 14:49:28,731 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:49:28,731 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 461 transitions. [2021-03-25 14:49:28,732 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 92.2) internal successors, (461), 5 states have internal predecessors, (461), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:49:28,734 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 116.0) internal successors, (696), 6 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:49:28,735 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 116.0) internal successors, (696), 6 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:49:28,735 INFO L185 Difference]: Start difference. First operand has 30 places, 21 transitions, 84 flow. Second operand 5 states and 461 transitions. [2021-03-25 14:49:28,735 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 35 transitions, 206 flow [2021-03-25 14:49:28,736 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 35 transitions, 203 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-25 14:49:28,737 INFO L241 Difference]: Finished difference. Result has 35 places, 22 transitions, 114 flow [2021-03-25 14:49:28,737 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=114, PETRI_PLACES=35, PETRI_TRANSITIONS=22} [2021-03-25 14:49:28,737 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 3 predicate places. [2021-03-25 14:49:28,738 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:49:28,738 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 35 places, 22 transitions, 114 flow [2021-03-25 14:49:28,738 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 35 places, 22 transitions, 114 flow [2021-03-25 14:49:28,738 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 35 places, 22 transitions, 114 flow [2021-03-25 14:49:28,743 INFO L129 PetriNetUnfolder]: 8/53 cut-off events. [2021-03-25 14:49:28,743 INFO L130 PetriNetUnfolder]: For 49/58 co-relation queries the response was YES. [2021-03-25 14:49:28,744 INFO L84 FinitePrefix]: Finished finitePrefix Result has 149 conditions, 53 events. 8/53 cut-off events. For 49/58 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 164 event pairs, 2 based on Foata normal form. 0/49 useless extension candidates. Maximal degree in co-relation 136. Up to 19 conditions per place. [2021-03-25 14:49:28,744 INFO L142 LiptonReduction]: Number of co-enabled transitions 130 [2021-03-25 14:49:28,746 INFO L154 LiptonReduction]: Checked pairs total: 57 [2021-03-25 14:49:28,746 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:49:28,746 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8 [2021-03-25 14:49:28,747 INFO L480 AbstractCegarLoop]: Abstraction has has 35 places, 22 transitions, 114 flow [2021-03-25 14:49:28,747 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 89.2) internal successors, (446), 5 states have internal predecessors, (446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:49:28,747 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:49:28,747 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:49:28,748 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-25 14:49:28,748 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:49:28,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:49:28,748 INFO L82 PathProgramCache]: Analyzing trace with hash 526287287, now seen corresponding path program 1 times [2021-03-25 14:49:28,748 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:49:28,748 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662216579] [2021-03-25 14:49:28,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:49:28,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:49:28,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:49:28,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 14:49:28,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:49:28,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:49:28,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:49:28,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:49:28,798 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-03-25 14:49:28,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 14:49:28,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:49:28,812 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662216579] [2021-03-25 14:49:28,812 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:49:28,813 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 14:49:28,813 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300212570] [2021-03-25 14:49:28,814 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 14:49:28,814 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:49:28,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 14:49:28,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-25 14:49:28,815 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 116 [2021-03-25 14:49:28,816 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 22 transitions, 114 flow. Second operand has 5 states, 5 states have (on average 89.2) internal successors, (446), 5 states have internal predecessors, (446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:49:28,816 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:49:28,816 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 116 [2021-03-25 14:49:28,816 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:49:28,884 INFO L129 PetriNetUnfolder]: 28/93 cut-off events. [2021-03-25 14:49:28,884 INFO L130 PetriNetUnfolder]: For 105/108 co-relation queries the response was YES. [2021-03-25 14:49:28,884 INFO L84 FinitePrefix]: Finished finitePrefix Result has 304 conditions, 93 events. 28/93 cut-off events. For 105/108 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 351 event pairs, 3 based on Foata normal form. 2/93 useless extension candidates. Maximal degree in co-relation 289. Up to 30 conditions per place. [2021-03-25 14:49:28,886 INFO L132 encePairwiseOnDemand]: 108/116 looper letters, 4 selfloop transitions, 6 changer transitions 19/38 dead transitions. [2021-03-25 14:49:28,886 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 38 transitions, 254 flow [2021-03-25 14:49:28,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 14:49:28,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 14:49:28,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 642 transitions. [2021-03-25 14:49:28,888 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7906403940886699 [2021-03-25 14:49:28,888 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 642 transitions. [2021-03-25 14:49:28,888 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 642 transitions. [2021-03-25 14:49:28,888 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:49:28,889 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 642 transitions. [2021-03-25 14:49:28,890 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 91.71428571428571) internal successors, (642), 7 states have internal predecessors, (642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:49:28,891 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 116.0) internal successors, (928), 8 states have internal predecessors, (928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:49:28,891 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 116.0) internal successors, (928), 8 states have internal predecessors, (928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:49:28,891 INFO L185 Difference]: Start difference. First operand has 35 places, 22 transitions, 114 flow. Second operand 7 states and 642 transitions. [2021-03-25 14:49:28,892 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 38 transitions, 254 flow [2021-03-25 14:49:28,893 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 38 transitions, 227 flow, removed 3 selfloop flow, removed 3 redundant places. [2021-03-25 14:49:28,894 INFO L241 Difference]: Finished difference. Result has 42 places, 19 transitions, 106 flow [2021-03-25 14:49:28,894 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=97, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=106, PETRI_PLACES=42, PETRI_TRANSITIONS=19} [2021-03-25 14:49:28,894 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 10 predicate places. [2021-03-25 14:49:28,894 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:49:28,894 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 19 transitions, 106 flow [2021-03-25 14:49:28,895 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 19 transitions, 106 flow [2021-03-25 14:49:28,895 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 19 transitions, 106 flow [2021-03-25 14:49:28,898 INFO L129 PetriNetUnfolder]: 2/25 cut-off events. [2021-03-25 14:49:28,898 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2021-03-25 14:49:28,899 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84 conditions, 25 events. 2/25 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 33 event pairs, 1 based on Foata normal form. 0/25 useless extension candidates. Maximal degree in co-relation 67. Up to 7 conditions per place. [2021-03-25 14:49:28,899 INFO L142 LiptonReduction]: Number of co-enabled transitions 56 [2021-03-25 14:49:28,924 INFO L154 LiptonReduction]: Checked pairs total: 73 [2021-03-25 14:49:28,925 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 14:49:28,925 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 31 [2021-03-25 14:49:28,926 INFO L480 AbstractCegarLoop]: Abstraction has has 39 places, 18 transitions, 104 flow [2021-03-25 14:49:28,926 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 89.2) internal successors, (446), 5 states have internal predecessors, (446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:49:28,926 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:49:28,926 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:49:28,926 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-25 14:49:28,926 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:49:28,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:49:28,927 INFO L82 PathProgramCache]: Analyzing trace with hash 200648341, now seen corresponding path program 1 times [2021-03-25 14:49:28,927 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:49:28,927 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386382057] [2021-03-25 14:49:28,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:49:28,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:49:28,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:49:28,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:49:28,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:49:28,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:49:28,975 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-03-25 14:49:28,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 14:49:28,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:49:28,989 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386382057] [2021-03-25 14:49:28,989 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:49:28,989 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 14:49:28,989 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869663179] [2021-03-25 14:49:28,990 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 14:49:28,990 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:49:28,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 14:49:28,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-03-25 14:49:28,993 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 117 [2021-03-25 14:49:28,993 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 18 transitions, 104 flow. Second operand has 5 states, 5 states have (on average 89.4) internal successors, (447), 5 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:49:28,993 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:49:28,993 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 117 [2021-03-25 14:49:28,993 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:49:29,024 INFO L129 PetriNetUnfolder]: 1/27 cut-off events. [2021-03-25 14:49:29,025 INFO L130 PetriNetUnfolder]: For 51/57 co-relation queries the response was YES. [2021-03-25 14:49:29,025 INFO L84 FinitePrefix]: Finished finitePrefix Result has 115 conditions, 27 events. 1/27 cut-off events. For 51/57 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 43 event pairs, 0 based on Foata normal form. 2/29 useless extension candidates. Maximal degree in co-relation 96. Up to 8 conditions per place. [2021-03-25 14:49:29,025 INFO L132 encePairwiseOnDemand]: 111/117 looper letters, 3 selfloop transitions, 5 changer transitions 6/22 dead transitions. [2021-03-25 14:49:29,026 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 22 transitions, 167 flow [2021-03-25 14:49:29,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 14:49:29,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 14:49:29,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 453 transitions. [2021-03-25 14:49:29,027 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7743589743589744 [2021-03-25 14:49:29,027 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 453 transitions. [2021-03-25 14:49:29,027 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 453 transitions. [2021-03-25 14:49:29,028 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:49:29,028 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 453 transitions. [2021-03-25 14:49:29,029 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 90.6) internal successors, (453), 5 states have internal predecessors, (453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:49:29,030 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 117.0) internal successors, (702), 6 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:49:29,031 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 117.0) internal successors, (702), 6 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:49:29,031 INFO L185 Difference]: Start difference. First operand has 39 places, 18 transitions, 104 flow. Second operand 5 states and 453 transitions. [2021-03-25 14:49:29,031 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 22 transitions, 167 flow [2021-03-25 14:49:29,034 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 22 transitions, 123 flow, removed 9 selfloop flow, removed 8 redundant places. [2021-03-25 14:49:29,035 INFO L241 Difference]: Finished difference. Result has 36 places, 16 transitions, 79 flow [2021-03-25 14:49:29,035 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=75, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=79, PETRI_PLACES=36, PETRI_TRANSITIONS=16} [2021-03-25 14:49:29,035 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 4 predicate places. [2021-03-25 14:49:29,035 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:49:29,036 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 36 places, 16 transitions, 79 flow [2021-03-25 14:49:29,036 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 36 places, 16 transitions, 79 flow [2021-03-25 14:49:29,036 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 36 places, 16 transitions, 79 flow [2021-03-25 14:49:29,039 INFO L129 PetriNetUnfolder]: 0/17 cut-off events. [2021-03-25 14:49:29,039 INFO L130 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2021-03-25 14:49:29,039 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53 conditions, 17 events. 0/17 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 11 event pairs, 0 based on Foata normal form. 0/17 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-25 14:49:29,041 INFO L142 LiptonReduction]: Number of co-enabled transitions 46 [2021-03-25 14:49:29,087 INFO L154 LiptonReduction]: Checked pairs total: 32 [2021-03-25 14:49:29,087 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 14:49:29,087 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 52 [2021-03-25 14:49:29,088 INFO L480 AbstractCegarLoop]: Abstraction has has 34 places, 14 transitions, 73 flow [2021-03-25 14:49:29,088 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 89.4) internal successors, (447), 5 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:49:29,088 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:49:29,088 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:49:29,088 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-25 14:49:29,089 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:49:29,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:49:29,089 INFO L82 PathProgramCache]: Analyzing trace with hash -230626031, now seen corresponding path program 2 times [2021-03-25 14:49:29,089 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:49:29,089 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101567382] [2021-03-25 14:49:29,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:49:29,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:49:29,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:49:29,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:49:29,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:49:29,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 14:49:29,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:49:29,122 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101567382] [2021-03-25 14:49:29,122 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:49:29,122 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 14:49:29,123 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183920624] [2021-03-25 14:49:29,123 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 14:49:29,123 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:49:29,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 14:49:29,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 14:49:29,124 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 119 [2021-03-25 14:49:29,125 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 14 transitions, 73 flow. Second operand has 3 states, 3 states have (on average 99.66666666666667) internal successors, (299), 3 states have internal predecessors, (299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:49:29,125 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:49:29,125 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 119 [2021-03-25 14:49:29,125 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:49:29,136 INFO L129 PetriNetUnfolder]: 16/45 cut-off events. [2021-03-25 14:49:29,136 INFO L130 PetriNetUnfolder]: For 44/46 co-relation queries the response was YES. [2021-03-25 14:49:29,136 INFO L84 FinitePrefix]: Finished finitePrefix Result has 145 conditions, 45 events. 16/45 cut-off events. For 44/46 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 116 event pairs, 7 based on Foata normal form. 2/46 useless extension candidates. Maximal degree in co-relation 130. Up to 34 conditions per place. [2021-03-25 14:49:29,136 INFO L132 encePairwiseOnDemand]: 114/119 looper letters, 4 selfloop transitions, 3 changer transitions 1/17 dead transitions. [2021-03-25 14:49:29,136 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 17 transitions, 100 flow [2021-03-25 14:49:29,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 14:49:29,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 14:49:29,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 306 transitions. [2021-03-25 14:49:29,138 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8571428571428571 [2021-03-25 14:49:29,138 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 306 transitions. [2021-03-25 14:49:29,138 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 306 transitions. [2021-03-25 14:49:29,138 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:49:29,138 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 306 transitions. [2021-03-25 14:49:29,139 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 102.0) internal successors, (306), 3 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:49:29,140 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 119.0) internal successors, (476), 4 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:49:29,140 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 119.0) internal successors, (476), 4 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:49:29,140 INFO L185 Difference]: Start difference. First operand has 34 places, 14 transitions, 73 flow. Second operand 3 states and 306 transitions. [2021-03-25 14:49:29,140 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 17 transitions, 100 flow [2021-03-25 14:49:29,141 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 17 transitions, 76 flow, removed 4 selfloop flow, removed 7 redundant places. [2021-03-25 14:49:29,141 INFO L241 Difference]: Finished difference. Result has 30 places, 16 transitions, 72 flow [2021-03-25 14:49:29,141 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=51, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=14, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=72, PETRI_PLACES=30, PETRI_TRANSITIONS=16} [2021-03-25 14:49:29,141 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, -2 predicate places. [2021-03-25 14:49:29,141 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:49:29,142 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 30 places, 16 transitions, 72 flow [2021-03-25 14:49:29,142 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 30 places, 16 transitions, 72 flow [2021-03-25 14:49:29,142 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 30 places, 16 transitions, 72 flow [2021-03-25 14:49:29,145 INFO L129 PetriNetUnfolder]: 12/38 cut-off events. [2021-03-25 14:49:29,145 INFO L130 PetriNetUnfolder]: For 10/11 co-relation queries the response was YES. [2021-03-25 14:49:29,146 INFO L84 FinitePrefix]: Finished finitePrefix Result has 106 conditions, 38 events. 12/38 cut-off events. For 10/11 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 88 event pairs, 7 based on Foata normal form. 1/36 useless extension candidates. Maximal degree in co-relation 95. Up to 28 conditions per place. [2021-03-25 14:49:29,146 INFO L142 LiptonReduction]: Number of co-enabled transitions 26 [2021-03-25 14:49:29,189 INFO L154 LiptonReduction]: Checked pairs total: 4 [2021-03-25 14:49:29,189 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 14:49:29,189 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 48 [2021-03-25 14:49:29,190 INFO L480 AbstractCegarLoop]: Abstraction has has 30 places, 16 transitions, 73 flow [2021-03-25 14:49:29,190 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 99.66666666666667) internal successors, (299), 3 states have internal predecessors, (299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:49:29,191 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:49:29,191 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:49:29,191 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-25 14:49:29,191 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:49:29,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:49:29,191 INFO L82 PathProgramCache]: Analyzing trace with hash -1097466599, now seen corresponding path program 1 times [2021-03-25 14:49:29,191 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:49:29,192 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607594264] [2021-03-25 14:49:29,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:49:29,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:49:29,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:49:29,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:49:29,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:49:29,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:49:29,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:49:29,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 14:49:29,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:49:29,238 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607594264] [2021-03-25 14:49:29,238 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:49:29,238 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 14:49:29,238 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195359145] [2021-03-25 14:49:29,238 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 14:49:29,239 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:49:29,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 14:49:29,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-25 14:49:29,240 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 120 [2021-03-25 14:49:29,240 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 16 transitions, 73 flow. Second operand has 4 states, 4 states have (on average 99.75) internal successors, (399), 4 states have internal predecessors, (399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:49:29,240 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:49:29,240 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 120 [2021-03-25 14:49:29,240 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:49:29,257 INFO L129 PetriNetUnfolder]: 6/29 cut-off events. [2021-03-25 14:49:29,258 INFO L130 PetriNetUnfolder]: For 16/18 co-relation queries the response was YES. [2021-03-25 14:49:29,258 INFO L84 FinitePrefix]: Finished finitePrefix Result has 100 conditions, 29 events. 6/29 cut-off events. For 16/18 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 42 event pairs, 1 based on Foata normal form. 4/32 useless extension candidates. Maximal degree in co-relation 87. Up to 18 conditions per place. [2021-03-25 14:49:29,258 INFO L132 encePairwiseOnDemand]: 114/120 looper letters, 2 selfloop transitions, 5 changer transitions 3/19 dead transitions. [2021-03-25 14:49:29,259 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 19 transitions, 108 flow [2021-03-25 14:49:29,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-25 14:49:29,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-25 14:49:29,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 407 transitions. [2021-03-25 14:49:29,260 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8479166666666667 [2021-03-25 14:49:29,260 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 407 transitions. [2021-03-25 14:49:29,260 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 407 transitions. [2021-03-25 14:49:29,261 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:49:29,261 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 407 transitions. [2021-03-25 14:49:29,262 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 101.75) internal successors, (407), 4 states have internal predecessors, (407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:49:29,263 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 120.0) internal successors, (600), 5 states have internal predecessors, (600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:49:29,263 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 120.0) internal successors, (600), 5 states have internal predecessors, (600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:49:29,263 INFO L185 Difference]: Start difference. First operand has 30 places, 16 transitions, 73 flow. Second operand 4 states and 407 transitions. [2021-03-25 14:49:29,263 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 19 transitions, 108 flow [2021-03-25 14:49:29,264 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 19 transitions, 99 flow, removed 1 selfloop flow, removed 3 redundant places. [2021-03-25 14:49:29,265 INFO L241 Difference]: Finished difference. Result has 31 places, 16 transitions, 82 flow [2021-03-25 14:49:29,265 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=120, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=16, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=82, PETRI_PLACES=31, PETRI_TRANSITIONS=16} [2021-03-25 14:49:29,265 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, -1 predicate places. [2021-03-25 14:49:29,266 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:49:29,266 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 31 places, 16 transitions, 82 flow [2021-03-25 14:49:29,266 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 31 places, 16 transitions, 82 flow [2021-03-25 14:49:29,266 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 31 places, 16 transitions, 82 flow [2021-03-25 14:49:29,268 INFO L129 PetriNetUnfolder]: 2/21 cut-off events. [2021-03-25 14:49:29,268 INFO L130 PetriNetUnfolder]: For 14/17 co-relation queries the response was YES. [2021-03-25 14:49:29,269 INFO L84 FinitePrefix]: Finished finitePrefix Result has 67 conditions, 21 events. 2/21 cut-off events. For 14/17 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 25 event pairs, 1 based on Foata normal form. 2/22 useless extension candidates. Maximal degree in co-relation 56. Up to 10 conditions per place. [2021-03-25 14:49:29,269 INFO L142 LiptonReduction]: Number of co-enabled transitions 16 [2021-03-25 14:49:29,403 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-25 14:49:29,403 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 14:49:29,403 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 137 [2021-03-25 14:49:29,404 INFO L480 AbstractCegarLoop]: Abstraction has has 30 places, 15 transitions, 83 flow [2021-03-25 14:49:29,405 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 99.75) internal successors, (399), 4 states have internal predecessors, (399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:49:29,405 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:49:29,405 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:49:29,405 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-25 14:49:29,405 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:49:29,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:49:29,406 INFO L82 PathProgramCache]: Analyzing trace with hash 644594187, now seen corresponding path program 1 times [2021-03-25 14:49:29,406 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:49:29,406 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234404725] [2021-03-25 14:49:29,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:49:29,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:49:29,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:49:29,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:49:29,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:49:29,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:49:29,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:49:29,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:49:29,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:49:29,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 14:49:29,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:49:29,466 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234404725] [2021-03-25 14:49:29,466 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:49:29,466 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 14:49:29,466 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567947213] [2021-03-25 14:49:29,467 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 14:49:29,467 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:49:29,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 14:49:29,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-03-25 14:49:29,468 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 122 [2021-03-25 14:49:29,469 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 15 transitions, 83 flow. Second operand has 5 states, 5 states have (on average 99.8) internal successors, (499), 5 states have internal predecessors, (499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:49:29,469 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:49:29,469 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 122 [2021-03-25 14:49:29,469 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:49:29,490 INFO L129 PetriNetUnfolder]: 1/17 cut-off events. [2021-03-25 14:49:29,490 INFO L130 PetriNetUnfolder]: For 35/40 co-relation queries the response was YES. [2021-03-25 14:49:29,490 INFO L84 FinitePrefix]: Finished finitePrefix Result has 59 conditions, 17 events. 1/17 cut-off events. For 35/40 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 20 event pairs, 0 based on Foata normal form. 4/20 useless extension candidates. Maximal degree in co-relation 46. Up to 6 conditions per place. [2021-03-25 14:49:29,492 INFO L132 encePairwiseOnDemand]: 115/122 looper letters, 0 selfloop transitions, 0 changer transitions 14/14 dead transitions. [2021-03-25 14:49:29,492 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 14 transitions, 87 flow [2021-03-25 14:49:29,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 14:49:29,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 14:49:29,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 502 transitions. [2021-03-25 14:49:29,494 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8229508196721311 [2021-03-25 14:49:29,494 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 502 transitions. [2021-03-25 14:49:29,494 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 502 transitions. [2021-03-25 14:49:29,495 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:49:29,495 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 502 transitions. [2021-03-25 14:49:29,496 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 100.4) internal successors, (502), 5 states have internal predecessors, (502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:49:29,499 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 122.0) internal successors, (732), 6 states have internal predecessors, (732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:49:29,499 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 122.0) internal successors, (732), 6 states have internal predecessors, (732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:49:29,499 INFO L185 Difference]: Start difference. First operand has 30 places, 15 transitions, 83 flow. Second operand 5 states and 502 transitions. [2021-03-25 14:49:29,499 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 14 transitions, 87 flow [2021-03-25 14:49:29,500 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 14 transitions, 73 flow, removed 2 selfloop flow, removed 3 redundant places. [2021-03-25 14:49:29,500 INFO L241 Difference]: Finished difference. Result has 30 places, 0 transitions, 0 flow [2021-03-25 14:49:29,500 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=61, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=14, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=30, PETRI_TRANSITIONS=0} [2021-03-25 14:49:29,500 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, -2 predicate places. [2021-03-25 14:49:29,501 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:49:29,501 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 30 places, 0 transitions, 0 flow [2021-03-25 14:49:29,501 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 30 places, 0 transitions, 0 flow [2021-03-25 14:49:29,501 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2021-03-25 14:49:29,501 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2021-03-25 14:49:29,501 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:49:29,501 INFO L84 FinitePrefix]: Finished finitePrefix Result has 0 conditions, 0 events. 0/0 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 0. Compared 0 event pairs, 0 based on Foata normal form. 0/0 useless extension candidates. Maximal degree in co-relation 0. Up to 0 conditions per place. [2021-03-25 14:49:29,502 INFO L142 LiptonReduction]: Number of co-enabled transitions 0 [2021-03-25 14:49:29,502 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 14:49:29,502 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:49:29,502 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1 [2021-03-25 14:49:29,504 INFO L480 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2021-03-25 14:49:29,504 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 99.8) internal successors, (499), 5 states have internal predecessors, (499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:49:29,504 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-25 14:49:29,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.03 02:49:29 BasicIcfg [2021-03-25 14:49:29,508 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-25 14:49:29,509 INFO L168 Benchmark]: Toolchain (without parser) took 4987.33 ms. Allocated memory was 255.9 MB in the beginning and 438.3 MB in the end (delta: 182.5 MB). Free memory was 235.2 MB in the beginning and 388.9 MB in the end (delta: -153.7 MB). Peak memory consumption was 28.5 MB. Max. memory is 16.0 GB. [2021-03-25 14:49:29,511 INFO L168 Benchmark]: CDTParser took 0.84 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-25 14:49:29,512 INFO L168 Benchmark]: CACSL2BoogieTranslator took 502.53 ms. Allocated memory was 255.9 MB in the beginning and 364.9 MB in the end (delta: 109.1 MB). Free memory was 235.2 MB in the beginning and 327.2 MB in the end (delta: -92.0 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. [2021-03-25 14:49:29,512 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.38 ms. Allocated memory is still 364.9 MB. Free memory was 327.2 MB in the beginning and 325.4 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-25 14:49:29,513 INFO L168 Benchmark]: Boogie Preprocessor took 31.14 ms. Allocated memory is still 364.9 MB. Free memory was 325.4 MB in the beginning and 323.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-25 14:49:29,513 INFO L168 Benchmark]: RCFGBuilder took 484.23 ms. Allocated memory is still 364.9 MB. Free memory was 323.8 MB in the beginning and 340.0 MB in the end (delta: -16.2 MB). Peak memory consumption was 18.7 MB. Max. memory is 16.0 GB. [2021-03-25 14:49:29,514 INFO L168 Benchmark]: TraceAbstraction took 3905.96 ms. Allocated memory was 364.9 MB in the beginning and 438.3 MB in the end (delta: 73.4 MB). Free memory was 339.2 MB in the beginning and 388.9 MB in the end (delta: -49.7 MB). Peak memory consumption was 23.4 MB. Max. memory is 16.0 GB. [2021-03-25 14:49:29,519 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.84 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 502.53 ms. Allocated memory was 255.9 MB in the beginning and 364.9 MB in the end (delta: 109.1 MB). Free memory was 235.2 MB in the beginning and 327.2 MB in the end (delta: -92.0 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 57.38 ms. Allocated memory is still 364.9 MB. Free memory was 327.2 MB in the beginning and 325.4 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 31.14 ms. Allocated memory is still 364.9 MB. Free memory was 325.4 MB in the beginning and 323.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 484.23 ms. Allocated memory is still 364.9 MB. Free memory was 323.8 MB in the beginning and 340.0 MB in the end (delta: -16.2 MB). Peak memory consumption was 18.7 MB. Max. memory is 16.0 GB. * TraceAbstraction took 3905.96 ms. Allocated memory was 364.9 MB in the beginning and 438.3 MB in the end (delta: 73.4 MB). Free memory was 339.2 MB in the beginning and 388.9 MB in the end (delta: -49.7 MB). Peak memory consumption was 23.4 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1543.7ms, 68 PlacesBefore, 32 PlacesAfterwards, 59 TransitionsBefore, 22 TransitionsAfterwards, 864 CoEnabledTransitionPairs, 4 FixpointIterations, 14 TrivialSequentialCompositions, 22 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 1 ChoiceCompositions, 37 TotalNumberOfCompositions, 996 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 593, positive: 560, positive conditional: 0, positive unconditional: 560, negative: 33, negative conditional: 0, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 513, positive: 488, positive conditional: 0, positive unconditional: 488, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 513, positive: 488, positive conditional: 0, positive unconditional: 488, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 513, positive: 482, positive conditional: 0, positive unconditional: 482, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 31, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 117, positive: 26, positive conditional: 0, positive unconditional: 26, negative: 91, negative conditional: 0, negative unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 593, positive: 72, positive conditional: 0, positive unconditional: 72, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 513, unknown conditional: 0, unknown unconditional: 513] , Statistics on independence cache: Total cache size (in pairs): 40, Positive cache size: 34, Positive conditional cache size: 0, Positive unconditional cache size: 34, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 815.4ms, 35 PlacesBefore, 30 PlacesAfterwards, 26 TransitionsBefore, 21 TransitionsAfterwards, 182 CoEnabledTransitionPairs, 3 FixpointIterations, 3 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 5 TotalNumberOfCompositions, 186 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 124, positive: 111, positive conditional: 0, positive unconditional: 111, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 32, positive: 25, positive conditional: 0, positive unconditional: 25, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 32, positive: 25, positive conditional: 0, positive unconditional: 25, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 32, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 8, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 29, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 124, positive: 86, positive conditional: 0, positive unconditional: 86, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 32, unknown conditional: 0, unknown unconditional: 32] , Statistics on independence cache: Total cache size (in pairs): 45, Positive cache size: 35, Positive conditional cache size: 0, Positive unconditional cache size: 35, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7.8ms, 35 PlacesBefore, 35 PlacesAfterwards, 22 TransitionsBefore, 22 TransitionsAfterwards, 130 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 57 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 22, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 22, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 30.0ms, 42 PlacesBefore, 39 PlacesAfterwards, 19 TransitionsBefore, 18 TransitionsAfterwards, 56 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 73 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 31, positive: 23, positive conditional: 0, positive unconditional: 23, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 31, positive: 22, positive conditional: 0, positive unconditional: 22, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 31, Positive cache size: 24, Positive conditional cache size: 0, Positive unconditional cache size: 24, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 51.4ms, 36 PlacesBefore, 34 PlacesAfterwards, 16 TransitionsBefore, 14 TransitionsAfterwards, 46 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 32 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 19, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 19, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 20, Positive cache size: 17, Positive conditional cache size: 0, Positive unconditional cache size: 17, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 47.4ms, 30 PlacesBefore, 30 PlacesAfterwards, 16 TransitionsBefore, 16 TransitionsAfterwards, 26 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 4 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 13, Positive cache size: 11, Positive conditional cache size: 0, Positive unconditional cache size: 11, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 137.4ms, 31 PlacesBefore, 30 PlacesAfterwards, 16 TransitionsBefore, 15 TransitionsAfterwards, 16 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 4, Positive cache size: 4, Positive conditional cache size: 0, Positive unconditional cache size: 4, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.8ms, 30 PlacesBefore, 0 PlacesAfterwards, 0 TransitionsBefore, 0 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 4, Positive cache size: 4, Positive conditional cache size: 0, Positive unconditional cache size: 4, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 73 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 4.1ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 3792.0ms, OverallIterations: 7, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 401.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1624.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 47 SDtfs, 25 SDslu, 28 SDs, 0 SdLazy, 89 SolverSat, 37 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 86.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 121.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=114occurred in iteration=2, InterpolantAutomatonStates: 33, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 14.4ms SsaConstructionTime, 97.8ms SatisfiabilityAnalysisTime, 397.6ms InterpolantComputationTime, 91 NumberOfCodeBlocks, 91 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 84 ConstructedInterpolants, 0 QuantifiedInterpolants, 420 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...