/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/safe026_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-0e22065b97d0a1f8b3904e080cebe0f05e88d2b7-0e22065 [2021-06-11 06:56:56,599 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-11 06:56:56,601 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-11 06:56:56,625 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-11 06:56:56,626 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-11 06:56:56,627 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-11 06:56:56,628 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-11 06:56:56,630 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-11 06:56:56,631 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-11 06:56:56,632 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-11 06:56:56,633 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-11 06:56:56,634 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-11 06:56:56,634 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-11 06:56:56,635 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-11 06:56:56,636 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-11 06:56:56,637 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-11 06:56:56,638 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-11 06:56:56,638 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-11 06:56:56,639 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-11 06:56:56,641 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-11 06:56:56,642 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-11 06:56:56,643 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-11 06:56:56,644 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-11 06:56:56,645 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-11 06:56:56,647 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-11 06:56:56,647 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-11 06:56:56,647 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-11 06:56:56,648 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-11 06:56:56,648 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-11 06:56:56,649 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-11 06:56:56,649 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-11 06:56:56,650 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-11 06:56:56,651 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-11 06:56:56,651 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-11 06:56:56,652 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-11 06:56:56,652 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-11 06:56:56,653 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-11 06:56:56,653 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-11 06:56:56,653 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-11 06:56:56,654 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-11 06:56:56,655 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-11 06:56:56,655 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 [2021-06-11 06:56:56,675 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-11 06:56:56,675 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-11 06:56:56,676 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-11 06:56:56,676 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-11 06:56:56,677 INFO L138 SettingsManager]: * Use SBE=true [2021-06-11 06:56:56,677 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-11 06:56:56,677 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-11 06:56:56,677 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-11 06:56:56,677 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-11 06:56:56,677 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-11 06:56:56,677 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-11 06:56:56,678 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-11 06:56:56,678 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-11 06:56:56,678 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-11 06:56:56,678 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-11 06:56:56,678 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-11 06:56:56,678 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-11 06:56:56,678 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-11 06:56:56,678 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-11 06:56:56,678 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-11 06:56:56,679 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-11 06:56:56,679 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-11 06:56:56,679 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-11 06:56:56,679 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-11 06:56:56,679 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-11 06:56:56,679 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-11 06:56:56,679 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-11 06:56:56,680 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-06-11 06:56:56,680 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-11 06:56:56,680 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-11 06:56:56,962 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-11 06:56:56,984 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-11 06:56:56,987 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-11 06:56:56,988 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-11 06:56:56,988 INFO L275 PluginConnector]: CDTParser initialized [2021-06-11 06:56:56,989 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe026_tso.oepc.i [2021-06-11 06:56:57,052 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/651c15ff5/3c0b84d09a794a429a99e40e6935cb80/FLAGd48d8053b [2021-06-11 06:56:57,647 INFO L306 CDTParser]: Found 1 translation units. [2021-06-11 06:56:57,649 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe026_tso.oepc.i [2021-06-11 06:56:57,660 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/651c15ff5/3c0b84d09a794a429a99e40e6935cb80/FLAGd48d8053b [2021-06-11 06:56:58,020 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/651c15ff5/3c0b84d09a794a429a99e40e6935cb80 [2021-06-11 06:56:58,023 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-11 06:56:58,024 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-11 06:56:58,026 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-11 06:56:58,027 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-11 06:56:58,029 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-11 06:56:58,030 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.06 06:56:58" (1/1) ... [2021-06-11 06:56:58,031 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4edd404b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:56:58, skipping insertion in model container [2021-06-11 06:56:58,031 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.06 06:56:58" (1/1) ... [2021-06-11 06:56:58,040 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-11 06:56:58,073 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-11 06:56:58,212 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/safe026_tso.oepc.i[950,963] [2021-06-11 06:56:58,416 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-11 06:56:58,423 INFO L203 MainTranslator]: Completed pre-run [2021-06-11 06:56:58,434 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/safe026_tso.oepc.i[950,963] [2021-06-11 06:56:58,474 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-11 06:56:58,546 INFO L208 MainTranslator]: Completed translation [2021-06-11 06:56:58,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:56:58 WrapperNode [2021-06-11 06:56:58,547 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-11 06:56:58,549 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-11 06:56:58,549 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-11 06:56:58,549 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-11 06:56:58,560 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:56:58" (1/1) ... [2021-06-11 06:56:58,590 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:56:58" (1/1) ... [2021-06-11 06:56:58,611 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-11 06:56:58,612 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-11 06:56:58,612 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-11 06:56:58,612 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-11 06:56:58,619 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:56:58" (1/1) ... [2021-06-11 06:56:58,619 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:56:58" (1/1) ... [2021-06-11 06:56:58,630 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:56:58" (1/1) ... [2021-06-11 06:56:58,630 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:56:58" (1/1) ... [2021-06-11 06:56:58,639 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:56:58" (1/1) ... [2021-06-11 06:56:58,641 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:56:58" (1/1) ... [2021-06-11 06:56:58,642 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:56:58" (1/1) ... [2021-06-11 06:56:58,644 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-11 06:56:58,645 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-11 06:56:58,645 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-11 06:56:58,645 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-11 06:56:58,646 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:56:58" (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 [2021-06-11 06:56:58,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-11 06:56:58,733 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-11 06:56:58,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-11 06:56:58,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-11 06:56:58,734 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-11 06:56:58,734 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-11 06:56:58,735 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-11 06:56:58,735 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-11 06:56:58,735 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-11 06:56:58,736 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-11 06:56:58,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-11 06:56:58,736 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-11 06:56:58,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-11 06:56:58,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-11 06:56:58,737 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-11 06:56:59,179 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-11 06:56:59,179 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-11 06:56:59,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 06:56:59 BoogieIcfgContainer [2021-06-11 06:56:59,182 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-11 06:56:59,183 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-11 06:56:59,183 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-11 06:56:59,186 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-11 06:56:59,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.06 06:56:58" (1/3) ... [2021-06-11 06:56:59,188 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3964fadd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.06 06:56:59, skipping insertion in model container [2021-06-11 06:56:59,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:56:58" (2/3) ... [2021-06-11 06:56:59,188 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3964fadd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.06 06:56:59, skipping insertion in model container [2021-06-11 06:56:59,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 06:56:59" (3/3) ... [2021-06-11 06:56:59,190 INFO L111 eAbstractionObserver]: Analyzing ICFG safe026_tso.oepc.i [2021-06-11 06:56:59,195 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-11 06:56:59,199 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-06-11 06:56:59,200 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-11 06:56:59,238 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:59,239 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:59,239 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:59,239 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:59,240 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:59,240 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:59,240 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:59,240 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:59,241 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:59,241 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:59,241 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:59,241 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:59,242 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:59,242 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:59,242 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:59,242 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:59,243 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:59,243 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:59,243 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:59,243 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:59,243 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:59,244 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:59,244 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:59,244 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:59,245 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:59,246 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:59,246 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:59,246 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:59,247 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:59,247 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:59,247 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:59,248 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:59,248 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:59,249 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:59,249 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:59,249 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:59,251 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:59,252 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:59,252 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:59,252 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:59,258 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:59,259 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:59,259 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:59,259 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:59,261 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:59,261 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:59,261 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:59,261 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:56:59,263 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-11 06:56:59,282 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-06-11 06:56:59,314 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-06-11 06:56:59,314 INFO L377 AbstractCegarLoop]: Hoare is false [2021-06-11 06:56:59,314 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-11 06:56:59,314 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-11 06:56:59,314 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-11 06:56:59,314 INFO L381 AbstractCegarLoop]: Difference is false [2021-06-11 06:56:59,315 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-11 06:56:59,315 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-11 06:56:59,327 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 81 places, 73 transitions, 161 flow [2021-06-11 06:56:59,381 INFO L129 PetriNetUnfolder]: 2/70 cut-off events. [2021-06-11 06:56:59,382 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 06:56:59,389 INFO L84 FinitePrefix]: Finished finitePrefix Result has 80 conditions, 70 events. 2/70 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 51 event pairs, 0 based on Foata normal form. 0/67 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2021-06-11 06:56:59,389 INFO L82 GeneralOperation]: Start removeDead. Operand has 81 places, 73 transitions, 161 flow [2021-06-11 06:56:59,400 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 67 places, 58 transitions, 125 flow [2021-06-11 06:56:59,402 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:56:59,414 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 67 places, 58 transitions, 125 flow [2021-06-11 06:56:59,418 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 67 places, 58 transitions, 125 flow [2021-06-11 06:56:59,419 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 67 places, 58 transitions, 125 flow [2021-06-11 06:56:59,448 INFO L129 PetriNetUnfolder]: 1/58 cut-off events. [2021-06-11 06:56:59,448 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 06:56:59,448 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68 conditions, 58 events. 1/58 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 43 event pairs, 0 based on Foata normal form. 0/57 useless extension candidates. Maximal degree in co-relation 43. Up to 2 conditions per place. [2021-06-11 06:56:59,451 INFO L151 LiptonReduction]: Number of co-enabled transitions 804 [2021-06-11 06:56:59,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:56:59,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:56:59,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:56:59,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:56:59,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:56:59,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:56:59,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:56:59,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:56:59,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:56:59,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:56:59,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:56:59,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:56:59,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:56:59,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:56:59,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:56:59,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:56:59,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:56:59,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:56:59,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:56:59,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:56:59,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:56:59,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:56:59,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:57:00,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:57:00,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:57:00,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:57:00,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:57:00,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:57:00,183 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:57:00,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:57:00,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:57:00,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:57:00,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:57:00,319 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:57:00,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:57:00,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:57:00,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:57:00,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:57:00,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:57:00,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:57:00,510 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:57:00,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:57:00,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 06:57:00,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:57:00,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:57:00,570 INFO L147 QuantifierPusher]: treesize reduction 22, result has 4.3 percent of original size 1 [2021-06-11 06:57:00,657 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-06-11 06:57:00,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:57:00,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:57:00,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:57:00,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:57:00,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:57:00,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:57:00,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:57:00,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:57:00,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:57:00,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:57:00,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:57:00,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:57:00,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:57:00,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:57:00,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:57:00,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:57:01,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:57:01,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:57:01,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:57:01,100 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:57:01,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:57:01,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:57:01,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:57:01,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:57:01,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:57:01,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:57:01,364 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:57:01,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:57:01,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:57:01,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:57:01,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:57:01,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:57:01,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:57:01,762 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:57:01,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:57:01,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:57:01,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 06:57:01,965 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2021-06-11 06:57:02,182 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2021-06-11 06:57:02,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:57:02,268 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:57:02,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:57:02,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:57:02,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:57:02,280 INFO L163 LiptonReduction]: Checked pairs total: 1211 [2021-06-11 06:57:02,281 INFO L165 LiptonReduction]: Total number of compositions: 45 [2021-06-11 06:57:02,283 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2882 [2021-06-11 06:57:02,297 INFO L129 PetriNetUnfolder]: 0/14 cut-off events. [2021-06-11 06:57:02,297 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 06:57:02,298 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:57:02,298 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:57:02,298 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:57:02,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:57:02,302 INFO L82 PathProgramCache]: Analyzing trace with hash -93026423, now seen corresponding path program 1 times [2021-06-11 06:57:02,311 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:57:02,311 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647914596] [2021-06-11 06:57:02,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:57:02,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:57:02,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:57:02,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:57:02,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:57:02,501 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647914596] [2021-06-11 06:57:02,501 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:57:02,501 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-06-11 06:57:02,502 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351761222] [2021-06-11 06:57:02,508 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 06:57:02,508 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:57:02,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 06:57:02,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 06:57:02,522 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 118 [2021-06-11 06:57:02,524 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 16 transitions, 41 flow. Second operand has 3 states, 3 states have (on average 96.66666666666667) internal successors, (290), 3 states have internal predecessors, (290), 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) [2021-06-11 06:57:02,524 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:57:02,524 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 118 [2021-06-11 06:57:02,525 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:57:02,552 INFO L129 PetriNetUnfolder]: 12/50 cut-off events. [2021-06-11 06:57:02,552 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 06:57:02,552 INFO L84 FinitePrefix]: Finished finitePrefix Result has 87 conditions, 50 events. 12/50 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 145 event pairs, 6 based on Foata normal form. 2/49 useless extension candidates. Maximal degree in co-relation 77. Up to 25 conditions per place. [2021-06-11 06:57:02,554 INFO L132 encePairwiseOnDemand]: 114/118 looper letters, 5 selfloop transitions, 3 changer transitions 0/19 dead transitions. [2021-06-11 06:57:02,554 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 19 transitions, 63 flow [2021-06-11 06:57:02,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 06:57:02,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 06:57:02,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 297 transitions. [2021-06-11 06:57:02,565 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8389830508474576 [2021-06-11 06:57:02,565 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 297 transitions. [2021-06-11 06:57:02,566 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 297 transitions. [2021-06-11 06:57:02,567 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:57:02,569 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 297 transitions. [2021-06-11 06:57:02,572 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 99.0) internal successors, (297), 3 states have internal predecessors, (297), 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) [2021-06-11 06:57:02,576 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 118.0) internal successors, (472), 4 states have internal predecessors, (472), 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) [2021-06-11 06:57:02,576 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 118.0) internal successors, (472), 4 states have internal predecessors, (472), 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) [2021-06-11 06:57:02,578 INFO L185 Difference]: Start difference. First operand has 26 places, 16 transitions, 41 flow. Second operand 3 states and 297 transitions. [2021-06-11 06:57:02,579 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 19 transitions, 63 flow [2021-06-11 06:57:02,580 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 19 transitions, 60 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-06-11 06:57:02,581 INFO L241 Difference]: Finished difference. Result has 26 places, 18 transitions, 57 flow [2021-06-11 06:57:02,583 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=118, PETRI_DIFFERENCE_MINUEND_FLOW=38, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=16, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=57, PETRI_PLACES=26, PETRI_TRANSITIONS=18} [2021-06-11 06:57:02,584 INFO L343 CegarLoopForPetriNet]: 26 programPoint places, 0 predicate places. [2021-06-11 06:57:02,584 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:57:02,584 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 26 places, 18 transitions, 57 flow [2021-06-11 06:57:02,584 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 26 places, 18 transitions, 57 flow [2021-06-11 06:57:02,585 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 26 places, 18 transitions, 57 flow [2021-06-11 06:57:02,589 INFO L129 PetriNetUnfolder]: 3/24 cut-off events. [2021-06-11 06:57:02,589 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 06:57:02,589 INFO L84 FinitePrefix]: Finished finitePrefix Result has 45 conditions, 24 events. 3/24 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 37 event pairs, 1 based on Foata normal form. 0/22 useless extension candidates. Maximal degree in co-relation 37. Up to 10 conditions per place. [2021-06-11 06:57:02,590 INFO L151 LiptonReduction]: Number of co-enabled transitions 124 [2021-06-11 06:57:02,607 INFO L163 LiptonReduction]: Checked pairs total: 68 [2021-06-11 06:57:02,607 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:57:02,608 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 24 [2021-06-11 06:57:02,608 INFO L480 AbstractCegarLoop]: Abstraction has has 26 places, 18 transitions, 57 flow [2021-06-11 06:57:02,609 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 96.66666666666667) internal successors, (290), 3 states have internal predecessors, (290), 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) [2021-06-11 06:57:02,609 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:57:02,609 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:57:02,609 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-11 06:57:02,609 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:57:02,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:57:02,610 INFO L82 PathProgramCache]: Analyzing trace with hash 1393737033, now seen corresponding path program 1 times [2021-06-11 06:57:02,610 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:57:02,610 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922101504] [2021-06-11 06:57:02,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:57:02,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:57:02,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:57:02,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:57:02,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:57:02,663 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922101504] [2021-06-11 06:57:02,663 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:57:02,663 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-06-11 06:57:02,663 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824762641] [2021-06-11 06:57:02,664 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 06:57:02,664 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:57:02,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 06:57:02,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 06:57:02,666 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 98 out of 118 [2021-06-11 06:57:02,667 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 18 transitions, 57 flow. Second operand has 3 states, 3 states have (on average 98.66666666666667) internal successors, (296), 3 states have internal predecessors, (296), 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) [2021-06-11 06:57:02,667 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:57:02,667 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 118 [2021-06-11 06:57:02,667 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:57:02,674 INFO L129 PetriNetUnfolder]: 3/24 cut-off events. [2021-06-11 06:57:02,674 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-06-11 06:57:02,675 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51 conditions, 24 events. 3/24 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 39 event pairs, 1 based on Foata normal form. 1/23 useless extension candidates. Maximal degree in co-relation 41. Up to 10 conditions per place. [2021-06-11 06:57:02,675 INFO L132 encePairwiseOnDemand]: 115/118 looper letters, 1 selfloop transitions, 2 changer transitions 0/18 dead transitions. [2021-06-11 06:57:02,675 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 18 transitions, 63 flow [2021-06-11 06:57:02,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 06:57:02,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 06:57:02,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 298 transitions. [2021-06-11 06:57:02,677 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8418079096045198 [2021-06-11 06:57:02,677 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 298 transitions. [2021-06-11 06:57:02,677 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 298 transitions. [2021-06-11 06:57:02,678 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:57:02,678 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 298 transitions. [2021-06-11 06:57:02,679 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 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) [2021-06-11 06:57:02,680 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 118.0) internal successors, (472), 4 states have internal predecessors, (472), 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) [2021-06-11 06:57:02,680 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 118.0) internal successors, (472), 4 states have internal predecessors, (472), 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) [2021-06-11 06:57:02,680 INFO L185 Difference]: Start difference. First operand has 26 places, 18 transitions, 57 flow. Second operand 3 states and 298 transitions. [2021-06-11 06:57:02,680 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 18 transitions, 63 flow [2021-06-11 06:57:02,681 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 27 places, 18 transitions, 60 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-06-11 06:57:02,681 INFO L241 Difference]: Finished difference. Result has 28 places, 18 transitions, 62 flow [2021-06-11 06:57:02,682 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=118, PETRI_DIFFERENCE_MINUEND_FLOW=54, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=62, PETRI_PLACES=28, PETRI_TRANSITIONS=18} [2021-06-11 06:57:02,682 INFO L343 CegarLoopForPetriNet]: 26 programPoint places, 2 predicate places. [2021-06-11 06:57:02,682 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:57:02,682 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 28 places, 18 transitions, 62 flow [2021-06-11 06:57:02,683 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 28 places, 18 transitions, 62 flow [2021-06-11 06:57:02,683 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 28 places, 18 transitions, 62 flow [2021-06-11 06:57:02,686 INFO L129 PetriNetUnfolder]: 3/24 cut-off events. [2021-06-11 06:57:02,686 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-06-11 06:57:02,687 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50 conditions, 24 events. 3/24 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 41 event pairs, 1 based on Foata normal form. 0/22 useless extension candidates. Maximal degree in co-relation 40. Up to 10 conditions per place. [2021-06-11 06:57:02,687 INFO L151 LiptonReduction]: Number of co-enabled transitions 122 [2021-06-11 06:57:02,688 INFO L163 LiptonReduction]: Checked pairs total: 50 [2021-06-11 06:57:02,688 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:57:02,689 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 7 [2021-06-11 06:57:02,689 INFO L480 AbstractCegarLoop]: Abstraction has has 28 places, 18 transitions, 62 flow [2021-06-11 06:57:02,690 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 98.66666666666667) internal successors, (296), 3 states have internal predecessors, (296), 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) [2021-06-11 06:57:02,690 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:57:02,690 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:57:02,690 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-11 06:57:02,690 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:57:02,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:57:02,691 INFO L82 PathProgramCache]: Analyzing trace with hash 795811407, now seen corresponding path program 1 times [2021-06-11 06:57:02,691 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:57:02,691 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30675729] [2021-06-11 06:57:02,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:57:02,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:57:02,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:57:02,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:57:02,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:57:02,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:57:02,776 INFO L142 QuantifierPusher]: treesize reduction 3, result has 81.3 percent of original size [2021-06-11 06:57:02,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:57:02,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:57:02,786 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30675729] [2021-06-11 06:57:02,787 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:57:02,787 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 06:57:02,787 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204298052] [2021-06-11 06:57:02,787 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 06:57:02,787 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:57:02,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 06:57:02,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-11 06:57:02,789 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 118 [2021-06-11 06:57:02,790 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 18 transitions, 62 flow. Second operand has 5 states, 5 states have (on average 89.8) internal successors, (449), 5 states have internal predecessors, (449), 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) [2021-06-11 06:57:02,790 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:57:02,790 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 118 [2021-06-11 06:57:02,790 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:57:02,836 INFO L129 PetriNetUnfolder]: 15/67 cut-off events. [2021-06-11 06:57:02,836 INFO L130 PetriNetUnfolder]: For 35/37 co-relation queries the response was YES. [2021-06-11 06:57:02,837 INFO L84 FinitePrefix]: Finished finitePrefix Result has 163 conditions, 67 events. 15/67 cut-off events. For 35/37 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 253 event pairs, 3 based on Foata normal form. 10/76 useless extension candidates. Maximal degree in co-relation 151. Up to 27 conditions per place. [2021-06-11 06:57:02,837 INFO L132 encePairwiseOnDemand]: 112/118 looper letters, 5 selfloop transitions, 6 changer transitions 3/24 dead transitions. [2021-06-11 06:57:02,837 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 24 transitions, 109 flow [2021-06-11 06:57:02,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 06:57:02,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 06:57:02,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 461 transitions. [2021-06-11 06:57:02,840 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7813559322033898 [2021-06-11 06:57:02,840 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 461 transitions. [2021-06-11 06:57:02,840 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 461 transitions. [2021-06-11 06:57:02,841 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:57:02,841 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 461 transitions. [2021-06-11 06:57:02,842 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) [2021-06-11 06:57:02,844 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 118.0) internal successors, (708), 6 states have internal predecessors, (708), 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) [2021-06-11 06:57:02,844 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 118.0) internal successors, (708), 6 states have internal predecessors, (708), 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) [2021-06-11 06:57:02,845 INFO L185 Difference]: Start difference. First operand has 28 places, 18 transitions, 62 flow. Second operand 5 states and 461 transitions. [2021-06-11 06:57:02,845 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 24 transitions, 109 flow [2021-06-11 06:57:02,845 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 24 transitions, 103 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-11 06:57:02,846 INFO L241 Difference]: Finished difference. Result has 33 places, 20 transitions, 93 flow [2021-06-11 06:57:02,846 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=118, PETRI_DIFFERENCE_MINUEND_FLOW=58, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=93, PETRI_PLACES=33, PETRI_TRANSITIONS=20} [2021-06-11 06:57:02,846 INFO L343 CegarLoopForPetriNet]: 26 programPoint places, 7 predicate places. [2021-06-11 06:57:02,846 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:57:02,847 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 33 places, 20 transitions, 93 flow [2021-06-11 06:57:02,847 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 33 places, 20 transitions, 93 flow [2021-06-11 06:57:02,847 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 33 places, 20 transitions, 93 flow [2021-06-11 06:57:02,853 INFO L129 PetriNetUnfolder]: 7/47 cut-off events. [2021-06-11 06:57:02,853 INFO L130 PetriNetUnfolder]: For 47/47 co-relation queries the response was YES. [2021-06-11 06:57:02,854 INFO L84 FinitePrefix]: Finished finitePrefix Result has 125 conditions, 47 events. 7/47 cut-off events. For 47/47 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 145 event pairs, 3 based on Foata normal form. 0/46 useless extension candidates. Maximal degree in co-relation 112. Up to 16 conditions per place. [2021-06-11 06:57:02,854 INFO L151 LiptonReduction]: Number of co-enabled transitions 114 [2021-06-11 06:57:02,856 INFO L163 LiptonReduction]: Checked pairs total: 45 [2021-06-11 06:57:02,856 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:57:02,856 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 10 [2021-06-11 06:57:02,857 INFO L480 AbstractCegarLoop]: Abstraction has has 33 places, 20 transitions, 93 flow [2021-06-11 06:57:02,857 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 89.8) internal successors, (449), 5 states have internal predecessors, (449), 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) [2021-06-11 06:57:02,857 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:57:02,857 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:57:02,858 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-11 06:57:02,858 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:57:02,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:57:02,858 INFO L82 PathProgramCache]: Analyzing trace with hash 795900687, now seen corresponding path program 2 times [2021-06-11 06:57:02,858 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:57:02,858 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892005756] [2021-06-11 06:57:02,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:57:02,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:57:02,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:57:02,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:57:02,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:57:02,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:57:02,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:57:02,905 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892005756] [2021-06-11 06:57:02,905 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:57:02,905 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-11 06:57:02,905 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866941898] [2021-06-11 06:57:02,905 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 06:57:02,906 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:57:02,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 06:57:02,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-11 06:57:02,907 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 118 [2021-06-11 06:57:02,908 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 20 transitions, 93 flow. Second operand has 4 states, 4 states have (on average 89.75) internal successors, (359), 4 states have internal predecessors, (359), 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) [2021-06-11 06:57:02,908 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:57:02,908 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 118 [2021-06-11 06:57:02,908 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:57:02,947 INFO L129 PetriNetUnfolder]: 88/185 cut-off events. [2021-06-11 06:57:02,947 INFO L130 PetriNetUnfolder]: For 573/623 co-relation queries the response was YES. [2021-06-11 06:57:02,948 INFO L84 FinitePrefix]: Finished finitePrefix Result has 491 conditions, 185 events. 88/185 cut-off events. For 573/623 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 830 event pairs, 16 based on Foata normal form. 24/186 useless extension candidates. Maximal degree in co-relation 476. Up to 88 conditions per place. [2021-06-11 06:57:02,953 INFO L132 encePairwiseOnDemand]: 112/118 looper letters, 8 selfloop transitions, 5 changer transitions 0/27 dead transitions. [2021-06-11 06:57:02,953 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 27 transitions, 133 flow [2021-06-11 06:57:02,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-11 06:57:02,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-11 06:57:02,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 371 transitions. [2021-06-11 06:57:02,955 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7860169491525424 [2021-06-11 06:57:02,955 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 371 transitions. [2021-06-11 06:57:02,955 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 371 transitions. [2021-06-11 06:57:02,955 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:57:02,955 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 371 transitions. [2021-06-11 06:57:02,956 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 92.75) internal successors, (371), 4 states have internal predecessors, (371), 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) [2021-06-11 06:57:02,957 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 118.0) internal successors, (590), 5 states have internal predecessors, (590), 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) [2021-06-11 06:57:02,958 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 118.0) internal successors, (590), 5 states have internal predecessors, (590), 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) [2021-06-11 06:57:02,958 INFO L185 Difference]: Start difference. First operand has 33 places, 20 transitions, 93 flow. Second operand 4 states and 371 transitions. [2021-06-11 06:57:02,958 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 27 transitions, 133 flow [2021-06-11 06:57:02,959 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 27 transitions, 125 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-06-11 06:57:02,960 INFO L241 Difference]: Finished difference. Result has 36 places, 24 transitions, 123 flow [2021-06-11 06:57:02,960 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=118, PETRI_DIFFERENCE_MINUEND_FLOW=85, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=123, PETRI_PLACES=36, PETRI_TRANSITIONS=24} [2021-06-11 06:57:02,960 INFO L343 CegarLoopForPetriNet]: 26 programPoint places, 10 predicate places. [2021-06-11 06:57:02,960 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:57:02,960 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 36 places, 24 transitions, 123 flow [2021-06-11 06:57:02,961 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 36 places, 24 transitions, 123 flow [2021-06-11 06:57:02,961 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 36 places, 24 transitions, 123 flow [2021-06-11 06:57:02,977 INFO L129 PetriNetUnfolder]: 61/148 cut-off events. [2021-06-11 06:57:02,977 INFO L130 PetriNetUnfolder]: For 325/377 co-relation queries the response was YES. [2021-06-11 06:57:02,978 INFO L84 FinitePrefix]: Finished finitePrefix Result has 439 conditions, 148 events. 61/148 cut-off events. For 325/377 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 709 event pairs, 19 based on Foata normal form. 2/127 useless extension candidates. Maximal degree in co-relation 424. Up to 112 conditions per place. [2021-06-11 06:57:02,981 INFO L151 LiptonReduction]: Number of co-enabled transitions 148 [2021-06-11 06:57:02,984 INFO L163 LiptonReduction]: Checked pairs total: 42 [2021-06-11 06:57:02,984 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:57:02,984 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 24 [2021-06-11 06:57:02,985 INFO L480 AbstractCegarLoop]: Abstraction has has 36 places, 24 transitions, 123 flow [2021-06-11 06:57:02,986 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 89.75) internal successors, (359), 4 states have internal predecessors, (359), 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) [2021-06-11 06:57:02,986 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:57:02,986 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:57:02,986 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-11 06:57:02,986 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:57:02,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:57:02,986 INFO L82 PathProgramCache]: Analyzing trace with hash -574875707, now seen corresponding path program 1 times [2021-06-11 06:57:02,987 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:57:02,988 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402559756] [2021-06-11 06:57:02,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:57:03,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:57:03,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:57:03,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:57:03,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:57:03,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:57:03,044 INFO L142 QuantifierPusher]: treesize reduction 3, result has 81.3 percent of original size [2021-06-11 06:57:03,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:57:03,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:57:03,054 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402559756] [2021-06-11 06:57:03,054 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:57:03,054 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 06:57:03,055 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837622253] [2021-06-11 06:57:03,055 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 06:57:03,055 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:57:03,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 06:57:03,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-11 06:57:03,056 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 118 [2021-06-11 06:57:03,057 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 24 transitions, 123 flow. Second operand has 4 states, 4 states have (on average 87.75) internal successors, (351), 4 states have internal predecessors, (351), 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) [2021-06-11 06:57:03,057 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:57:03,057 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 118 [2021-06-11 06:57:03,057 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:57:03,118 INFO L129 PetriNetUnfolder]: 68/195 cut-off events. [2021-06-11 06:57:03,118 INFO L130 PetriNetUnfolder]: For 663/782 co-relation queries the response was YES. [2021-06-11 06:57:03,119 INFO L84 FinitePrefix]: Finished finitePrefix Result has 594 conditions, 195 events. 68/195 cut-off events. For 663/782 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 1094 event pairs, 17 based on Foata normal form. 18/189 useless extension candidates. Maximal degree in co-relation 577. Up to 137 conditions per place. [2021-06-11 06:57:03,120 INFO L132 encePairwiseOnDemand]: 111/118 looper letters, 9 selfloop transitions, 10 changer transitions 0/32 dead transitions. [2021-06-11 06:57:03,120 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 32 transitions, 208 flow [2021-06-11 06:57:03,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 06:57:03,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 06:57:03,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 447 transitions. [2021-06-11 06:57:03,122 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7576271186440678 [2021-06-11 06:57:03,122 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 447 transitions. [2021-06-11 06:57:03,122 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 447 transitions. [2021-06-11 06:57:03,123 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:57:03,123 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 447 transitions. [2021-06-11 06:57:03,124 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 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) [2021-06-11 06:57:03,125 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 118.0) internal successors, (708), 6 states have internal predecessors, (708), 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) [2021-06-11 06:57:03,125 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 118.0) internal successors, (708), 6 states have internal predecessors, (708), 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) [2021-06-11 06:57:03,125 INFO L185 Difference]: Start difference. First operand has 36 places, 24 transitions, 123 flow. Second operand 5 states and 447 transitions. [2021-06-11 06:57:03,125 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 32 transitions, 208 flow [2021-06-11 06:57:03,129 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 32 transitions, 206 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-06-11 06:57:03,130 INFO L241 Difference]: Finished difference. Result has 41 places, 30 transitions, 194 flow [2021-06-11 06:57:03,130 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=118, PETRI_DIFFERENCE_MINUEND_FLOW=121, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=194, PETRI_PLACES=41, PETRI_TRANSITIONS=30} [2021-06-11 06:57:03,130 INFO L343 CegarLoopForPetriNet]: 26 programPoint places, 15 predicate places. [2021-06-11 06:57:03,130 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:57:03,131 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 30 transitions, 194 flow [2021-06-11 06:57:03,131 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 30 transitions, 194 flow [2021-06-11 06:57:03,131 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 41 places, 30 transitions, 194 flow [2021-06-11 06:57:03,147 INFO L129 PetriNetUnfolder]: 63/182 cut-off events. [2021-06-11 06:57:03,147 INFO L130 PetriNetUnfolder]: For 313/354 co-relation queries the response was YES. [2021-06-11 06:57:03,148 INFO L84 FinitePrefix]: Finished finitePrefix Result has 546 conditions, 182 events. 63/182 cut-off events. For 313/354 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 1047 event pairs, 17 based on Foata normal form. 7/164 useless extension candidates. Maximal degree in co-relation 528. Up to 130 conditions per place. [2021-06-11 06:57:03,149 INFO L151 LiptonReduction]: Number of co-enabled transitions 188 [2021-06-11 06:57:03,151 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 06:57:03,151 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:57:03,151 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 21 [2021-06-11 06:57:03,154 INFO L480 AbstractCegarLoop]: Abstraction has has 41 places, 30 transitions, 194 flow [2021-06-11 06:57:03,155 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 87.75) internal successors, (351), 4 states have internal predecessors, (351), 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) [2021-06-11 06:57:03,155 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:57:03,155 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:57:03,155 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-11 06:57:03,155 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:57:03,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:57:03,156 INFO L82 PathProgramCache]: Analyzing trace with hash -701558528, now seen corresponding path program 1 times [2021-06-11 06:57:03,156 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:57:03,156 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255203905] [2021-06-11 06:57:03,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:57:03,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:57:03,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:57:03,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:57:03,226 INFO L142 QuantifierPusher]: treesize reduction 4, result has 50.0 percent of original size [2021-06-11 06:57:03,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-06-11 06:57:03,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:57:03,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:57:03,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:57:03,235 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255203905] [2021-06-11 06:57:03,236 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:57:03,236 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 06:57:03,236 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066867715] [2021-06-11 06:57:03,236 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 06:57:03,236 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:57:03,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 06:57:03,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-11 06:57:03,238 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 118 [2021-06-11 06:57:03,238 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 30 transitions, 194 flow. Second operand has 5 states, 5 states have (on average 89.8) internal successors, (449), 5 states have internal predecessors, (449), 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) [2021-06-11 06:57:03,238 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:57:03,238 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 118 [2021-06-11 06:57:03,239 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:57:03,307 INFO L129 PetriNetUnfolder]: 71/202 cut-off events. [2021-06-11 06:57:03,307 INFO L130 PetriNetUnfolder]: For 589/829 co-relation queries the response was YES. [2021-06-11 06:57:03,308 INFO L84 FinitePrefix]: Finished finitePrefix Result has 696 conditions, 202 events. 71/202 cut-off events. For 589/829 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 1150 event pairs, 0 based on Foata normal form. 48/220 useless extension candidates. Maximal degree in co-relation 676. Up to 144 conditions per place. [2021-06-11 06:57:03,309 INFO L132 encePairwiseOnDemand]: 112/118 looper letters, 9 selfloop transitions, 8 changer transitions 1/37 dead transitions. [2021-06-11 06:57:03,309 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 37 transitions, 256 flow [2021-06-11 06:57:03,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 06:57:03,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 06:57:03,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 464 transitions. [2021-06-11 06:57:03,311 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7864406779661017 [2021-06-11 06:57:03,311 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 464 transitions. [2021-06-11 06:57:03,311 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 464 transitions. [2021-06-11 06:57:03,311 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:57:03,311 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 464 transitions. [2021-06-11 06:57:03,312 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 92.8) internal successors, (464), 5 states have internal predecessors, (464), 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) [2021-06-11 06:57:03,313 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 118.0) internal successors, (708), 6 states have internal predecessors, (708), 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) [2021-06-11 06:57:03,314 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 118.0) internal successors, (708), 6 states have internal predecessors, (708), 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) [2021-06-11 06:57:03,314 INFO L185 Difference]: Start difference. First operand has 41 places, 30 transitions, 194 flow. Second operand 5 states and 464 transitions. [2021-06-11 06:57:03,314 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 37 transitions, 256 flow [2021-06-11 06:57:03,317 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 37 transitions, 256 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-06-11 06:57:03,318 INFO L241 Difference]: Finished difference. Result has 47 places, 33 transitions, 238 flow [2021-06-11 06:57:03,319 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=118, PETRI_DIFFERENCE_MINUEND_FLOW=194, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=238, PETRI_PLACES=47, PETRI_TRANSITIONS=33} [2021-06-11 06:57:03,319 INFO L343 CegarLoopForPetriNet]: 26 programPoint places, 21 predicate places. [2021-06-11 06:57:03,319 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:57:03,319 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 47 places, 33 transitions, 238 flow [2021-06-11 06:57:03,319 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 47 places, 33 transitions, 238 flow [2021-06-11 06:57:03,320 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 47 places, 33 transitions, 238 flow [2021-06-11 06:57:03,342 INFO L129 PetriNetUnfolder]: 61/185 cut-off events. [2021-06-11 06:57:03,343 INFO L130 PetriNetUnfolder]: For 554/675 co-relation queries the response was YES. [2021-06-11 06:57:03,343 INFO L84 FinitePrefix]: Finished finitePrefix Result has 731 conditions, 185 events. 61/185 cut-off events. For 554/675 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 1117 event pairs, 1 based on Foata normal form. 13/172 useless extension candidates. Maximal degree in co-relation 709. Up to 133 conditions per place. [2021-06-11 06:57:03,345 INFO L151 LiptonReduction]: Number of co-enabled transitions 190 [2021-06-11 06:57:03,349 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 06:57:03,349 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:57:03,349 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 30 [2021-06-11 06:57:03,352 INFO L480 AbstractCegarLoop]: Abstraction has has 47 places, 33 transitions, 238 flow [2021-06-11 06:57:03,353 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 89.8) internal successors, (449), 5 states have internal predecessors, (449), 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) [2021-06-11 06:57:03,353 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:57:03,353 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:57:03,353 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-11 06:57:03,353 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:57:03,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:57:03,354 INFO L82 PathProgramCache]: Analyzing trace with hash 636020509, now seen corresponding path program 1 times [2021-06-11 06:57:03,354 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:57:03,354 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897739163] [2021-06-11 06:57:03,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:57:03,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:57:03,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:57:03,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:57:03,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:57:03,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:57:03,415 INFO L142 QuantifierPusher]: treesize reduction 4, result has 50.0 percent of original size [2021-06-11 06:57:03,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-06-11 06:57:03,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:57:03,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:57:03,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:57:03,449 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897739163] [2021-06-11 06:57:03,449 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:57:03,449 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-11 06:57:03,450 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301099016] [2021-06-11 06:57:03,450 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-11 06:57:03,450 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:57:03,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-11 06:57:03,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-06-11 06:57:03,452 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 118 [2021-06-11 06:57:03,453 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 33 transitions, 238 flow. Second operand has 6 states, 6 states have (on average 89.83333333333333) internal successors, (539), 6 states have internal predecessors, (539), 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) [2021-06-11 06:57:03,453 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:57:03,453 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 118 [2021-06-11 06:57:03,453 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:57:03,527 INFO L129 PetriNetUnfolder]: 64/189 cut-off events. [2021-06-11 06:57:03,527 INFO L130 PetriNetUnfolder]: For 911/1308 co-relation queries the response was YES. [2021-06-11 06:57:03,528 INFO L84 FinitePrefix]: Finished finitePrefix Result has 878 conditions, 189 events. 64/189 cut-off events. For 911/1308 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 1094 event pairs, 0 based on Foata normal form. 61/220 useless extension candidates. Maximal degree in co-relation 854. Up to 134 conditions per place. [2021-06-11 06:57:03,529 INFO L132 encePairwiseOnDemand]: 112/118 looper letters, 1 selfloop transitions, 11 changer transitions 12/34 dead transitions. [2021-06-11 06:57:03,529 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 34 transitions, 275 flow [2021-06-11 06:57:03,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 06:57:03,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 06:57:03,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 551 transitions. [2021-06-11 06:57:03,531 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7782485875706214 [2021-06-11 06:57:03,531 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 551 transitions. [2021-06-11 06:57:03,531 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 551 transitions. [2021-06-11 06:57:03,531 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:57:03,531 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 551 transitions. [2021-06-11 06:57:03,533 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 91.83333333333333) internal successors, (551), 6 states have internal predecessors, (551), 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) [2021-06-11 06:57:03,534 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 118.0) internal successors, (826), 7 states have internal predecessors, (826), 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) [2021-06-11 06:57:03,536 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 118.0) internal successors, (826), 7 states have internal predecessors, (826), 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) [2021-06-11 06:57:03,536 INFO L185 Difference]: Start difference. First operand has 47 places, 33 transitions, 238 flow. Second operand 6 states and 551 transitions. [2021-06-11 06:57:03,536 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 34 transitions, 275 flow [2021-06-11 06:57:03,539 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 34 transitions, 262 flow, removed 3 selfloop flow, removed 2 redundant places. [2021-06-11 06:57:03,540 INFO L241 Difference]: Finished difference. Result has 52 places, 22 transitions, 183 flow [2021-06-11 06:57:03,540 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=118, PETRI_DIFFERENCE_MINUEND_FLOW=226, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=183, PETRI_PLACES=52, PETRI_TRANSITIONS=22} [2021-06-11 06:57:03,541 INFO L343 CegarLoopForPetriNet]: 26 programPoint places, 26 predicate places. [2021-06-11 06:57:03,541 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:57:03,541 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 52 places, 22 transitions, 183 flow [2021-06-11 06:57:03,541 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 52 places, 22 transitions, 183 flow [2021-06-11 06:57:03,541 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 51 places, 22 transitions, 183 flow [2021-06-11 06:57:03,545 INFO L129 PetriNetUnfolder]: 6/29 cut-off events. [2021-06-11 06:57:03,545 INFO L130 PetriNetUnfolder]: For 107/109 co-relation queries the response was YES. [2021-06-11 06:57:03,545 INFO L84 FinitePrefix]: Finished finitePrefix Result has 137 conditions, 29 events. 6/29 cut-off events. For 107/109 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 32 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 113. Up to 13 conditions per place. [2021-06-11 06:57:03,546 INFO L151 LiptonReduction]: Number of co-enabled transitions 52 [2021-06-11 06:57:03,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:57:03,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:57:03,577 INFO L163 LiptonReduction]: Checked pairs total: 4 [2021-06-11 06:57:03,577 INFO L165 LiptonReduction]: Total number of compositions: 1 [2021-06-11 06:57:03,577 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 36 [2021-06-11 06:57:03,578 INFO L480 AbstractCegarLoop]: Abstraction has has 50 places, 21 transitions, 181 flow [2021-06-11 06:57:03,578 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 89.83333333333333) internal successors, (539), 6 states have internal predecessors, (539), 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) [2021-06-11 06:57:03,578 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:57:03,578 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:57:03,578 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-11 06:57:03,578 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:57:03,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:57:03,579 INFO L82 PathProgramCache]: Analyzing trace with hash -934908083, now seen corresponding path program 1 times [2021-06-11 06:57:03,579 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:57:03,579 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603038613] [2021-06-11 06:57:03,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:57:03,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:57:03,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:57:03,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:57:03,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:57:03,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:57:03,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:57:03,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:57:03,647 INFO L142 QuantifierPusher]: treesize reduction 3, result has 81.3 percent of original size [2021-06-11 06:57:03,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:57:03,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:57:03,656 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603038613] [2021-06-11 06:57:03,656 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:57:03,656 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-11 06:57:03,657 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727515850] [2021-06-11 06:57:03,657 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 06:57:03,657 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:57:03,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 06:57:03,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-11 06:57:03,659 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 119 [2021-06-11 06:57:03,660 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 21 transitions, 181 flow. Second operand has 5 states, 5 states have (on average 87.4) internal successors, (437), 5 states have internal predecessors, (437), 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) [2021-06-11 06:57:03,660 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:57:03,660 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 119 [2021-06-11 06:57:03,660 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:57:03,687 INFO L129 PetriNetUnfolder]: 6/27 cut-off events. [2021-06-11 06:57:03,687 INFO L130 PetriNetUnfolder]: For 130/135 co-relation queries the response was YES. [2021-06-11 06:57:03,688 INFO L84 FinitePrefix]: Finished finitePrefix Result has 132 conditions, 27 events. 6/27 cut-off events. For 130/135 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 31 event pairs, 0 based on Foata normal form. 4/30 useless extension candidates. Maximal degree in co-relation 106. Up to 12 conditions per place. [2021-06-11 06:57:03,688 INFO L132 encePairwiseOnDemand]: 113/119 looper letters, 0 selfloop transitions, 0 changer transitions 21/21 dead transitions. [2021-06-11 06:57:03,688 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 21 transitions, 179 flow [2021-06-11 06:57:03,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 06:57:03,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 06:57:03,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 523 transitions. [2021-06-11 06:57:03,690 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7324929971988795 [2021-06-11 06:57:03,690 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 523 transitions. [2021-06-11 06:57:03,690 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 523 transitions. [2021-06-11 06:57:03,690 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:57:03,690 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 523 transitions. [2021-06-11 06:57:03,692 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 87.16666666666667) internal successors, (523), 6 states have internal predecessors, (523), 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) [2021-06-11 06:57:03,693 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 119.0) internal successors, (833), 7 states have internal predecessors, (833), 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) [2021-06-11 06:57:03,693 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 119.0) internal successors, (833), 7 states have internal predecessors, (833), 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) [2021-06-11 06:57:03,693 INFO L185 Difference]: Start difference. First operand has 50 places, 21 transitions, 181 flow. Second operand 6 states and 523 transitions. [2021-06-11 06:57:03,693 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 21 transitions, 179 flow [2021-06-11 06:57:03,694 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 21 transitions, 85 flow, removed 9 selfloop flow, removed 23 redundant places. [2021-06-11 06:57:03,695 INFO L241 Difference]: Finished difference. Result has 31 places, 0 transitions, 0 flow [2021-06-11 06:57:03,695 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=70, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=31, PETRI_TRANSITIONS=0} [2021-06-11 06:57:03,695 INFO L343 CegarLoopForPetriNet]: 26 programPoint places, 5 predicate places. [2021-06-11 06:57:03,695 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:57:03,695 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 31 places, 0 transitions, 0 flow [2021-06-11 06:57:03,696 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 31 places, 0 transitions, 0 flow [2021-06-11 06:57:03,696 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2021-06-11 06:57:03,696 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2021-06-11 06:57:03,696 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 06:57:03,696 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. [2021-06-11 06:57:03,696 INFO L151 LiptonReduction]: Number of co-enabled transitions 0 [2021-06-11 06:57:03,696 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 06:57:03,696 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:57:03,697 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2 [2021-06-11 06:57:03,700 INFO L480 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2021-06-11 06:57:03,700 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 87.4) internal successors, (437), 5 states have internal predecessors, (437), 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) [2021-06-11 06:57:03,700 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-11 06:57:03,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.06 06:57:03 BasicIcfg [2021-06-11 06:57:03,704 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-11 06:57:03,706 INFO L168 Benchmark]: Toolchain (without parser) took 5680.67 ms. Allocated memory was 333.4 MB in the beginning and 408.9 MB in the end (delta: 75.5 MB). Free memory was 296.6 MB in the beginning and 338.6 MB in the end (delta: -41.9 MB). Peak memory consumption was 35.3 MB. Max. memory is 16.0 GB. [2021-06-11 06:57:03,707 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 333.4 MB. Free memory was 314.9 MB in the beginning and 314.8 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-11 06:57:03,707 INFO L168 Benchmark]: CACSL2BoogieTranslator took 521.66 ms. Allocated memory is still 333.4 MB. Free memory was 296.4 MB in the beginning and 296.3 MB in the end (delta: 94.0 kB). Peak memory consumption was 9.2 MB. Max. memory is 16.0 GB. [2021-06-11 06:57:03,707 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.79 ms. Allocated memory is still 333.4 MB. Free memory was 296.3 MB in the beginning and 294.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-11 06:57:03,707 INFO L168 Benchmark]: Boogie Preprocessor took 32.23 ms. Allocated memory is still 333.4 MB. Free memory was 294.2 MB in the beginning and 293.2 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-11 06:57:03,708 INFO L168 Benchmark]: RCFGBuilder took 536.78 ms. Allocated memory is still 333.4 MB. Free memory was 293.2 MB in the beginning and 269.1 MB in the end (delta: 24.1 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2021-06-11 06:57:03,708 INFO L168 Benchmark]: TraceAbstraction took 4520.87 ms. Allocated memory was 333.4 MB in the beginning and 408.9 MB in the end (delta: 75.5 MB). Free memory was 269.1 MB in the beginning and 338.6 MB in the end (delta: -69.5 MB). Peak memory consumption was 7.0 MB. Max. memory is 16.0 GB. [2021-06-11 06:57:03,711 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 333.4 MB. Free memory was 314.9 MB in the beginning and 314.8 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 521.66 ms. Allocated memory is still 333.4 MB. Free memory was 296.4 MB in the beginning and 296.3 MB in the end (delta: 94.0 kB). Peak memory consumption was 9.2 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 62.79 ms. Allocated memory is still 333.4 MB. Free memory was 296.3 MB in the beginning and 294.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 32.23 ms. Allocated memory is still 333.4 MB. Free memory was 294.2 MB in the beginning and 293.2 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 536.78 ms. Allocated memory is still 333.4 MB. Free memory was 293.2 MB in the beginning and 269.1 MB in the end (delta: 24.1 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 4520.87 ms. Allocated memory was 333.4 MB in the beginning and 408.9 MB in the end (delta: 75.5 MB). Free memory was 269.1 MB in the beginning and 338.6 MB in the end (delta: -69.5 MB). Peak memory consumption was 7.0 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2862.8ms, 67 PlacesBefore, 26 PlacesAfterwards, 58 TransitionsBefore, 16 TransitionsAfterwards, 804 CoEnabledTransitionPairs, 6 FixpointIterations, 17 TrivialSequentialCompositions, 25 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 1 ChoiceCompositions, 45 TotalNumberOfCompositions, 1211 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 932, positive: 872, positive conditional: 0, positive unconditional: 872, negative: 60, negative conditional: 0, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 568, positive: 546, positive conditional: 0, positive unconditional: 546, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 568, positive: 546, positive conditional: 0, positive unconditional: 546, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 568, positive: 536, positive conditional: 0, positive unconditional: 536, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 32, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 149, positive: 57, positive conditional: 0, positive unconditional: 57, negative: 92, negative conditional: 0, negative unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 932, positive: 326, positive conditional: 0, positive unconditional: 326, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 568, unknown conditional: 0, unknown unconditional: 568] , Statistics on independence cache: Total cache size (in pairs): 942, Positive cache size: 920, Positive conditional cache size: 0, Positive unconditional cache size: 920, Negative cache size: 22, Negative conditional cache size: 0, Negative unconditional cache size: 22 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 22.9ms, 26 PlacesBefore, 26 PlacesAfterwards, 18 TransitionsBefore, 18 TransitionsAfterwards, 124 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 68 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 28, positive: 21, positive conditional: 0, positive unconditional: 21, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 16, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 28, positive: 21, positive conditional: 0, positive unconditional: 21, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 945, Positive cache size: 920, Positive conditional cache size: 0, Positive unconditional cache size: 920, Negative cache size: 25, Negative conditional cache size: 0, Negative unconditional cache size: 25 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.9ms, 28 PlacesBefore, 28 PlacesAfterwards, 18 TransitionsBefore, 18 TransitionsAfterwards, 122 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 50 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 32, positive: 27, positive conditional: 0, positive unconditional: 27, 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: 32, positive: 23, positive conditional: 0, positive unconditional: 23, 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): 949, Positive cache size: 924, Positive conditional cache size: 0, Positive unconditional cache size: 924, Negative cache size: 25, Negative conditional cache size: 0, Negative unconditional cache size: 25 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9.0ms, 33 PlacesBefore, 33 PlacesAfterwards, 20 TransitionsBefore, 20 TransitionsAfterwards, 114 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 45 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 24, positive: 20, positive conditional: 0, positive unconditional: 20, 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: 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: 24, positive: 20, positive conditional: 0, positive unconditional: 20, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 949, Positive cache size: 924, Positive conditional cache size: 0, Positive unconditional cache size: 924, Negative cache size: 25, Negative conditional cache size: 0, Negative unconditional cache size: 25 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 23.2ms, 36 PlacesBefore, 36 PlacesAfterwards, 24 TransitionsBefore, 24 TransitionsAfterwards, 148 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 42 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 36, positive: 33, positive conditional: 0, positive unconditional: 33, negative: 3, negative conditional: 0, negative unconditional: 3, 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: 36, positive: 32, positive conditional: 0, positive unconditional: 32, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 950, Positive cache size: 925, Positive conditional cache size: 0, Positive unconditional cache size: 925, Negative cache size: 25, Negative conditional cache size: 0, Negative unconditional cache size: 25 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 20.4ms, 41 PlacesBefore, 41 PlacesAfterwards, 30 TransitionsBefore, 30 TransitionsAfterwards, 188 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): 950, Positive cache size: 925, Positive conditional cache size: 0, Positive unconditional cache size: 925, Negative cache size: 25, Negative conditional cache size: 0, Negative unconditional cache size: 25 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 30.0ms, 47 PlacesBefore, 47 PlacesAfterwards, 33 TransitionsBefore, 33 TransitionsAfterwards, 190 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): 950, Positive cache size: 925, Positive conditional cache size: 0, Positive unconditional cache size: 925, Negative cache size: 25, Negative conditional cache size: 0, Negative unconditional cache size: 25 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 35.9ms, 52 PlacesBefore, 50 PlacesAfterwards, 22 TransitionsBefore, 21 TransitionsAfterwards, 52 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): 991, Positive cache size: 966, Positive conditional cache size: 0, Positive unconditional cache size: 966, Negative cache size: 25, Negative conditional cache size: 0, Negative unconditional cache size: 25 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.9ms, 31 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): 991, Positive cache size: 966, Positive conditional cache size: 0, Positive unconditional cache size: 966, Negative cache size: 25, Negative conditional cache size: 0, Negative unconditional cache size: 25 - 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, 72 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 2.4ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 4391.8ms, OverallIterations: 8, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 481.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 2980.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 38 SDtfs, 23 SDslu, 24 SDs, 0 SdLazy, 84 SolverSat, 45 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 101.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 155.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=238occurred in iteration=6, InterpolantAutomatonStates: 37, 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: 23.1ms SsaConstructionTime, 199.8ms SatisfiabilityAnalysisTime, 383.2ms InterpolantComputationTime, 91 NumberOfCodeBlocks, 91 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 83 ConstructedInterpolants, 0 QuantifiedInterpolants, 299 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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...