/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithDisjunctivePredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/chl-nzb-file-symm.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-06 07:20:17,133 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 07:20:17,135 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 07:20:17,172 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 07:20:17,174 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 07:20:17,176 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 07:20:17,179 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 07:20:17,183 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 07:20:17,186 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 07:20:17,191 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 07:20:17,192 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 07:20:17,193 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 07:20:17,194 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 07:20:17,196 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 07:20:17,197 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 07:20:17,199 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 07:20:17,200 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 07:20:17,200 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 07:20:17,203 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 07:20:17,207 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 07:20:17,208 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 07:20:17,209 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 07:20:17,210 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 07:20:17,211 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 07:20:17,217 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-06 07:20:17,217 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-06 07:20:17,217 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-06 07:20:17,219 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-06 07:20:17,219 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-06 07:20:17,220 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-06 07:20:17,220 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 07:20:17,225 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 07:20:17,227 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 07:20:17,227 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 07:20:17,228 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 07:20:17,228 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 07:20:17,229 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 07:20:17,229 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 07:20:17,229 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 07:20:17,230 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 07:20:17,230 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 07:20:17,231 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithDisjunctivePredicates.epf [2022-12-06 07:20:17,262 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 07:20:17,262 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 07:20:17,264 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 07:20:17,264 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 07:20:17,264 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 07:20:17,265 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 07:20:17,265 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 07:20:17,265 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 07:20:17,265 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 07:20:17,265 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 07:20:17,266 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 07:20:17,266 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 07:20:17,267 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 07:20:17,267 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 07:20:17,279 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 07:20:17,279 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 07:20:17,279 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 07:20:17,279 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 07:20:17,279 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 07:20:17,280 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 07:20:17,280 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 07:20:17,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 07:20:17,280 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 07:20:17,280 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 07:20:17,280 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 07:20:17,280 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 07:20:17,281 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 07:20:17,281 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-06 07:20:17,281 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-06 07:20:17,565 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 07:20:17,595 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 07:20:17,597 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 07:20:17,598 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 07:20:17,599 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 07:20:17,600 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-nzb-file-symm.wvr.c [2022-12-06 07:20:18,785 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 07:20:18,986 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 07:20:18,987 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-nzb-file-symm.wvr.c [2022-12-06 07:20:18,993 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee86a15f3/ba3291c02038470895f0d0af8931b899/FLAG5b0b37693 [2022-12-06 07:20:19,007 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee86a15f3/ba3291c02038470895f0d0af8931b899 [2022-12-06 07:20:19,009 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 07:20:19,010 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 07:20:19,013 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 07:20:19,013 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 07:20:19,015 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 07:20:19,016 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:20:19" (1/1) ... [2022-12-06 07:20:19,016 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fa5fad2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:20:19, skipping insertion in model container [2022-12-06 07:20:19,017 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:20:19" (1/1) ... [2022-12-06 07:20:19,022 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 07:20:19,053 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 07:20:19,258 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-nzb-file-symm.wvr.c[4929,4942] [2022-12-06 07:20:19,277 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 07:20:19,287 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 07:20:19,336 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-nzb-file-symm.wvr.c[4929,4942] [2022-12-06 07:20:19,339 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 07:20:19,363 INFO L208 MainTranslator]: Completed translation [2022-12-06 07:20:19,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:20:19 WrapperNode [2022-12-06 07:20:19,364 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 07:20:19,365 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 07:20:19,365 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 07:20:19,367 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 07:20:19,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:20:19" (1/1) ... [2022-12-06 07:20:19,394 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:20:19" (1/1) ... [2022-12-06 07:20:19,439 INFO L138 Inliner]: procedures = 25, calls = 55, calls flagged for inlining = 21, calls inlined = 29, statements flattened = 388 [2022-12-06 07:20:19,439 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 07:20:19,440 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 07:20:19,440 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 07:20:19,440 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 07:20:19,449 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:20:19" (1/1) ... [2022-12-06 07:20:19,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:20:19" (1/1) ... [2022-12-06 07:20:19,463 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:20:19" (1/1) ... [2022-12-06 07:20:19,463 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:20:19" (1/1) ... [2022-12-06 07:20:19,472 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:20:19" (1/1) ... [2022-12-06 07:20:19,488 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:20:19" (1/1) ... [2022-12-06 07:20:19,490 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:20:19" (1/1) ... [2022-12-06 07:20:19,491 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:20:19" (1/1) ... [2022-12-06 07:20:19,494 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 07:20:19,495 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 07:20:19,495 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 07:20:19,495 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 07:20:19,496 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:20:19" (1/1) ... [2022-12-06 07:20:19,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 07:20:19,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 07:20:19,543 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-06 07:20:19,565 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-06 07:20:19,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 07:20:19,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 07:20:19,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 07:20:19,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-06 07:20:19,584 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-06 07:20:19,584 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-06 07:20:19,584 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-06 07:20:19,584 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-06 07:20:19,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 07:20:19,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-06 07:20:19,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 07:20:19,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 07:20:19,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 07:20:19,586 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-06 07:20:19,754 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 07:20:19,756 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 07:20:20,222 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 07:20:20,235 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 07:20:20,250 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2022-12-06 07:20:20,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:20:20 BoogieIcfgContainer [2022-12-06 07:20:20,253 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 07:20:20,255 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 07:20:20,255 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 07:20:20,257 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 07:20:20,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 07:20:19" (1/3) ... [2022-12-06 07:20:20,258 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d78922 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 07:20:20, skipping insertion in model container [2022-12-06 07:20:20,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:20:19" (2/3) ... [2022-12-06 07:20:20,258 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d78922 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 07:20:20, skipping insertion in model container [2022-12-06 07:20:20,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:20:20" (3/3) ... [2022-12-06 07:20:20,260 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-nzb-file-symm.wvr.c [2022-12-06 07:20:20,278 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 07:20:20,279 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-06 07:20:20,279 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 07:20:20,448 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-06 07:20:20,480 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 425 places, 467 transitions, 950 flow [2022-12-06 07:20:20,645 INFO L130 PetriNetUnfolder]: 49/465 cut-off events. [2022-12-06 07:20:20,645 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-06 07:20:20,660 INFO L83 FinitePrefix]: Finished finitePrefix Result has 474 conditions, 465 events. 49/465 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1352 event pairs, 0 based on Foata normal form. 0/415 useless extension candidates. Maximal degree in co-relation 319. Up to 2 conditions per place. [2022-12-06 07:20:20,660 INFO L82 GeneralOperation]: Start removeDead. Operand has 425 places, 467 transitions, 950 flow [2022-12-06 07:20:20,672 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 415 places, 457 transitions, 926 flow [2022-12-06 07:20:20,674 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 07:20:20,692 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 415 places, 457 transitions, 926 flow [2022-12-06 07:20:20,698 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 415 places, 457 transitions, 926 flow [2022-12-06 07:20:20,819 INFO L130 PetriNetUnfolder]: 49/457 cut-off events. [2022-12-06 07:20:20,820 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-06 07:20:20,823 INFO L83 FinitePrefix]: Finished finitePrefix Result has 466 conditions, 457 events. 49/457 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1332 event pairs, 0 based on Foata normal form. 0/408 useless extension candidates. Maximal degree in co-relation 319. Up to 2 conditions per place. [2022-12-06 07:20:20,849 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 415 places, 457 transitions, 926 flow [2022-12-06 07:20:20,849 INFO L188 LiptonReduction]: Number of co-enabled transitions 52052 [2022-12-06 07:20:40,006 INFO L203 LiptonReduction]: Total number of compositions: 428 [2022-12-06 07:20:40,019 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 07:20:40,024 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=REPEATED_LIPTON_PN, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@33b2928, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 07:20:40,024 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-12-06 07:20:40,030 INFO L130 PetriNetUnfolder]: 7/28 cut-off events. [2022-12-06 07:20:40,030 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-06 07:20:40,030 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 07:20:40,030 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 07:20:40,031 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-06 07:20:40,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 07:20:40,035 INFO L85 PathProgramCache]: Analyzing trace with hash -1337779771, now seen corresponding path program 1 times [2022-12-06 07:20:40,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 07:20:40,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917721118] [2022-12-06 07:20:40,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 07:20:40,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 07:20:40,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 07:20:40,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 07:20:40,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 07:20:40,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917721118] [2022-12-06 07:20:40,425 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917721118] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 07:20:40,425 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 07:20:40,426 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 07:20:40,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826951081] [2022-12-06 07:20:40,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 07:20:40,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 07:20:40,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 07:20:40,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 07:20:40,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 07:20:40,448 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 29 [2022-12-06 07:20:40,449 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 29 transitions, 70 flow. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 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) [2022-12-06 07:20:40,449 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 07:20:40,449 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 29 [2022-12-06 07:20:40,450 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 07:20:40,573 INFO L130 PetriNetUnfolder]: 157/250 cut-off events. [2022-12-06 07:20:40,574 INFO L131 PetriNetUnfolder]: For 17/17 co-relation queries the response was YES. [2022-12-06 07:20:40,574 INFO L83 FinitePrefix]: Finished finitePrefix Result has 530 conditions, 250 events. 157/250 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 639 event pairs, 87 based on Foata normal form. 0/180 useless extension candidates. Maximal degree in co-relation 472. Up to 249 conditions per place. [2022-12-06 07:20:40,577 INFO L137 encePairwiseOnDemand]: 24/29 looper letters, 27 selfloop transitions, 4 changer transitions 0/31 dead transitions. [2022-12-06 07:20:40,577 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 31 transitions, 136 flow [2022-12-06 07:20:40,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 07:20:40,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 07:20:40,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 33 transitions. [2022-12-06 07:20:40,588 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.3793103448275862 [2022-12-06 07:20:40,590 INFO L175 Difference]: Start difference. First operand has 29 places, 29 transitions, 70 flow. Second operand 3 states and 33 transitions. [2022-12-06 07:20:40,590 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 31 transitions, 136 flow [2022-12-06 07:20:40,593 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 27 places, 31 transitions, 128 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-06 07:20:40,594 INFO L231 Difference]: Finished difference. Result has 28 places, 31 transitions, 84 flow [2022-12-06 07:20:40,596 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=62, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=84, PETRI_PLACES=28, PETRI_TRANSITIONS=31} [2022-12-06 07:20:40,599 INFO L294 CegarLoopForPetriNet]: 29 programPoint places, -1 predicate places. [2022-12-06 07:20:40,600 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 07:20:40,600 INFO L89 Accepts]: Start accepts. Operand has 28 places, 31 transitions, 84 flow [2022-12-06 07:20:40,603 INFO L95 Accepts]: Finished accepts. [2022-12-06 07:20:40,603 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 07:20:40,604 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 28 places, 31 transitions, 84 flow [2022-12-06 07:20:40,605 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 28 places, 31 transitions, 84 flow [2022-12-06 07:20:40,611 INFO L130 PetriNetUnfolder]: 7/31 cut-off events. [2022-12-06 07:20:40,612 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 07:20:40,613 INFO L83 FinitePrefix]: Finished finitePrefix Result has 45 conditions, 31 events. 7/31 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 34 event pairs, 0 based on Foata normal form. 0/25 useless extension candidates. Maximal degree in co-relation 30. Up to 6 conditions per place. [2022-12-06 07:20:40,613 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 28 places, 31 transitions, 84 flow [2022-12-06 07:20:40,613 INFO L188 LiptonReduction]: Number of co-enabled transitions 192 [2022-12-06 07:20:40,662 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 07:20:40,665 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 66 [2022-12-06 07:20:40,665 INFO L495 AbstractCegarLoop]: Abstraction has has 28 places, 31 transitions, 84 flow [2022-12-06 07:20:40,665 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 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) [2022-12-06 07:20:40,665 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 07:20:40,665 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 07:20:40,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 07:20:40,670 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-06 07:20:40,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 07:20:40,677 INFO L85 PathProgramCache]: Analyzing trace with hash -685768648, now seen corresponding path program 1 times [2022-12-06 07:20:40,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 07:20:40,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625225131] [2022-12-06 07:20:40,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 07:20:40,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 07:20:40,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 07:20:40,842 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-06 07:20:40,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 07:20:40,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625225131] [2022-12-06 07:20:40,843 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625225131] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-06 07:20:40,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1902582586] [2022-12-06 07:20:40,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 07:20:40,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-06 07:20:40,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 07:20:40,845 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-06 07:20:40,846 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-06 07:20:40,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 07:20:40,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-06 07:20:41,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-06 07:20:41,035 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-06 07:20:41,035 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-06 07:20:41,052 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-06 07:20:41,052 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1902582586] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-06 07:20:41,052 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-06 07:20:41,052 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2022-12-06 07:20:41,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442877155] [2022-12-06 07:20:41,053 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-06 07:20:41,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-06 07:20:41,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 07:20:41,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-06 07:20:41,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2022-12-06 07:20:41,054 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 29 [2022-12-06 07:20:41,055 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 31 transitions, 84 flow. Second operand has 8 states, 8 states have (on average 2.625) internal successors, (21), 7 states have internal predecessors, (21), 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) [2022-12-06 07:20:41,055 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 07:20:41,055 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 29 [2022-12-06 07:20:41,055 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 07:20:41,193 INFO L130 PetriNetUnfolder]: 157/256 cut-off events. [2022-12-06 07:20:41,194 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-06 07:20:41,194 INFO L83 FinitePrefix]: Finished finitePrefix Result has 542 conditions, 256 events. 157/256 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 642 event pairs, 87 based on Foata normal form. 3/190 useless extension candidates. Maximal degree in co-relation 512. Up to 249 conditions per place. [2022-12-06 07:20:41,195 INFO L137 encePairwiseOnDemand]: 24/29 looper letters, 27 selfloop transitions, 10 changer transitions 0/37 dead transitions. [2022-12-06 07:20:41,195 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 37 transitions, 182 flow [2022-12-06 07:20:41,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-06 07:20:41,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-06 07:20:41,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 43 transitions. [2022-12-06 07:20:41,197 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.2471264367816092 [2022-12-06 07:20:41,198 INFO L175 Difference]: Start difference. First operand has 28 places, 31 transitions, 84 flow. Second operand 6 states and 43 transitions. [2022-12-06 07:20:41,198 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 37 transitions, 182 flow [2022-12-06 07:20:41,198 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 37 transitions, 178 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-06 07:20:41,199 INFO L231 Difference]: Finished difference. Result has 35 places, 37 transitions, 146 flow [2022-12-06 07:20:41,199 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=146, PETRI_PLACES=35, PETRI_TRANSITIONS=37} [2022-12-06 07:20:41,200 INFO L294 CegarLoopForPetriNet]: 29 programPoint places, 6 predicate places. [2022-12-06 07:20:41,200 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 07:20:41,200 INFO L89 Accepts]: Start accepts. Operand has 35 places, 37 transitions, 146 flow [2022-12-06 07:20:41,202 INFO L95 Accepts]: Finished accepts. [2022-12-06 07:20:41,202 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 07:20:41,202 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 35 places, 37 transitions, 146 flow [2022-12-06 07:20:41,203 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 35 places, 37 transitions, 146 flow [2022-12-06 07:20:41,209 INFO L130 PetriNetUnfolder]: 7/37 cut-off events. [2022-12-06 07:20:41,209 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-06 07:20:41,210 INFO L83 FinitePrefix]: Finished finitePrefix Result has 79 conditions, 37 events. 7/37 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 34 event pairs, 0 based on Foata normal form. 0/31 useless extension candidates. Maximal degree in co-relation 31. Up to 12 conditions per place. [2022-12-06 07:20:41,210 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 35 places, 37 transitions, 146 flow [2022-12-06 07:20:41,210 INFO L188 LiptonReduction]: Number of co-enabled transitions 192 [2022-12-06 07:20:41,211 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 07:20:41,212 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 12 [2022-12-06 07:20:41,212 INFO L495 AbstractCegarLoop]: Abstraction has has 35 places, 37 transitions, 146 flow [2022-12-06 07:20:41,212 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.625) internal successors, (21), 7 states have internal predecessors, (21), 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) [2022-12-06 07:20:41,212 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 07:20:41,213 INFO L213 CegarLoopForPetriNet]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 07:20:41,222 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-12-06 07:20:41,418 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-06 07:20:41,418 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-06 07:20:41,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 07:20:41,420 INFO L85 PathProgramCache]: Analyzing trace with hash 154811961, now seen corresponding path program 2 times [2022-12-06 07:20:41,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 07:20:41,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849276026] [2022-12-06 07:20:41,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 07:20:41,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 07:20:41,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 07:20:41,590 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-06 07:20:41,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 07:20:41,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849276026] [2022-12-06 07:20:41,590 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849276026] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-06 07:20:41,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1032697638] [2022-12-06 07:20:41,591 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-06 07:20:41,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-06 07:20:41,591 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 07:20:41,592 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-06 07:20:41,621 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-06 07:20:41,706 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-12-06 07:20:41,707 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-06 07:20:41,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-06 07:20:41,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-06 07:20:42,032 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-06 07:20:42,032 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-06 07:20:42,033 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1032697638] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 07:20:42,033 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-06 07:20:42,033 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 9 [2022-12-06 07:20:42,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358347229] [2022-12-06 07:20:42,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 07:20:42,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-06 07:20:42,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 07:20:42,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-06 07:20:42,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2022-12-06 07:20:42,037 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 29 [2022-12-06 07:20:42,038 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 37 transitions, 146 flow. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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) [2022-12-06 07:20:42,038 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 07:20:42,038 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 29 [2022-12-06 07:20:42,038 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 07:20:42,306 INFO L130 PetriNetUnfolder]: 165/285 cut-off events. [2022-12-06 07:20:42,307 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-12-06 07:20:42,307 INFO L83 FinitePrefix]: Finished finitePrefix Result has 623 conditions, 285 events. 165/285 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 854 event pairs, 87 based on Foata normal form. 1/213 useless extension candidates. Maximal degree in co-relation 562. Up to 249 conditions per place. [2022-12-06 07:20:42,311 INFO L137 encePairwiseOnDemand]: 25/29 looper letters, 43 selfloop transitions, 1 changer transitions 7/51 dead transitions. [2022-12-06 07:20:42,311 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 51 transitions, 281 flow [2022-12-06 07:20:42,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-06 07:20:42,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-06 07:20:42,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 45 transitions. [2022-12-06 07:20:42,313 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.3879310344827586 [2022-12-06 07:20:42,313 INFO L175 Difference]: Start difference. First operand has 35 places, 37 transitions, 146 flow. Second operand 4 states and 45 transitions. [2022-12-06 07:20:42,314 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 51 transitions, 281 flow [2022-12-06 07:20:42,316 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 51 transitions, 265 flow, removed 6 selfloop flow, removed 1 redundant places. [2022-12-06 07:20:42,317 INFO L231 Difference]: Finished difference. Result has 39 places, 37 transitions, 139 flow [2022-12-06 07:20:42,317 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=130, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=139, PETRI_PLACES=39, PETRI_TRANSITIONS=37} [2022-12-06 07:20:42,318 INFO L294 CegarLoopForPetriNet]: 29 programPoint places, 10 predicate places. [2022-12-06 07:20:42,318 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 07:20:42,318 INFO L89 Accepts]: Start accepts. Operand has 39 places, 37 transitions, 139 flow [2022-12-06 07:20:42,320 INFO L95 Accepts]: Finished accepts. [2022-12-06 07:20:42,321 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 07:20:42,321 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 39 places, 37 transitions, 139 flow [2022-12-06 07:20:42,321 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 38 places, 37 transitions, 139 flow [2022-12-06 07:20:42,328 INFO L130 PetriNetUnfolder]: 6/47 cut-off events. [2022-12-06 07:20:42,329 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-12-06 07:20:42,329 INFO L83 FinitePrefix]: Finished finitePrefix Result has 91 conditions, 47 events. 6/47 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 95 event pairs, 0 based on Foata normal form. 0/41 useless extension candidates. Maximal degree in co-relation 78. Up to 6 conditions per place. [2022-12-06 07:20:42,329 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 38 places, 37 transitions, 139 flow [2022-12-06 07:20:42,330 INFO L188 LiptonReduction]: Number of co-enabled transitions 188 [2022-12-06 07:20:42,331 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 07:20:42,332 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 14 [2022-12-06 07:20:42,332 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 37 transitions, 139 flow [2022-12-06 07:20:42,333 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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) [2022-12-06 07:20:42,333 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 07:20:42,333 INFO L213 CegarLoopForPetriNet]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 07:20:42,343 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-06 07:20:42,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-12-06 07:20:42,538 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-06 07:20:42,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 07:20:42,539 INFO L85 PathProgramCache]: Analyzing trace with hash 672446397, now seen corresponding path program 3 times [2022-12-06 07:20:42,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 07:20:42,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685722559] [2022-12-06 07:20:42,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 07:20:42,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 07:20:42,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 07:20:42,688 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-06 07:20:42,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 07:20:42,691 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685722559] [2022-12-06 07:20:42,691 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685722559] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-06 07:20:42,691 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1787866049] [2022-12-06 07:20:42,691 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-06 07:20:42,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-06 07:20:42,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 07:20:42,693 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-06 07:20:42,696 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-06 07:20:42,803 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-12-06 07:20:42,803 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-06 07:20:42,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-06 07:20:42,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-06 07:20:43,201 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-06 07:20:43,201 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-06 07:20:43,201 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1787866049] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 07:20:43,201 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-06 07:20:43,202 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 9 [2022-12-06 07:20:43,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536099449] [2022-12-06 07:20:43,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 07:20:43,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-06 07:20:43,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 07:20:43,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-06 07:20:43,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2022-12-06 07:20:43,204 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 29 [2022-12-06 07:20:43,204 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 37 transitions, 139 flow. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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) [2022-12-06 07:20:43,204 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 07:20:43,204 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 29 [2022-12-06 07:20:43,204 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 07:20:43,460 INFO L130 PetriNetUnfolder]: 173/317 cut-off events. [2022-12-06 07:20:43,461 INFO L131 PetriNetUnfolder]: For 47/47 co-relation queries the response was YES. [2022-12-06 07:20:43,461 INFO L83 FinitePrefix]: Finished finitePrefix Result has 739 conditions, 317 events. 173/317 cut-off events. For 47/47 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1082 event pairs, 96 based on Foata normal form. 3/251 useless extension candidates. Maximal degree in co-relation 720. Up to 256 conditions per place. [2022-12-06 07:20:43,462 INFO L137 encePairwiseOnDemand]: 25/29 looper letters, 51 selfloop transitions, 1 changer transitions 5/57 dead transitions. [2022-12-06 07:20:43,462 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 57 transitions, 302 flow [2022-12-06 07:20:43,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-06 07:20:43,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-06 07:20:43,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 51 transitions. [2022-12-06 07:20:43,465 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.4396551724137931 [2022-12-06 07:20:43,465 INFO L175 Difference]: Start difference. First operand has 38 places, 37 transitions, 139 flow. Second operand 4 states and 51 transitions. [2022-12-06 07:20:43,465 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 57 transitions, 302 flow [2022-12-06 07:20:43,469 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 57 transitions, 296 flow, removed 2 selfloop flow, removed 2 redundant places. [2022-12-06 07:20:43,471 INFO L231 Difference]: Finished difference. Result has 41 places, 37 transitions, 145 flow [2022-12-06 07:20:43,471 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=136, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=145, PETRI_PLACES=41, PETRI_TRANSITIONS=37} [2022-12-06 07:20:43,472 INFO L294 CegarLoopForPetriNet]: 29 programPoint places, 12 predicate places. [2022-12-06 07:20:43,472 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 07:20:43,472 INFO L89 Accepts]: Start accepts. Operand has 41 places, 37 transitions, 145 flow [2022-12-06 07:20:43,473 INFO L95 Accepts]: Finished accepts. [2022-12-06 07:20:43,474 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 07:20:43,474 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 37 transitions, 145 flow [2022-12-06 07:20:43,474 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 40 places, 37 transitions, 145 flow [2022-12-06 07:20:43,482 INFO L130 PetriNetUnfolder]: 5/47 cut-off events. [2022-12-06 07:20:43,483 INFO L131 PetriNetUnfolder]: For 11/13 co-relation queries the response was YES. [2022-12-06 07:20:43,483 INFO L83 FinitePrefix]: Finished finitePrefix Result has 98 conditions, 47 events. 5/47 cut-off events. For 11/13 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 89 event pairs, 0 based on Foata normal form. 0/40 useless extension candidates. Maximal degree in co-relation 82. Up to 6 conditions per place. [2022-12-06 07:20:43,483 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 37 transitions, 145 flow [2022-12-06 07:20:43,483 INFO L188 LiptonReduction]: Number of co-enabled transitions 186 [2022-12-06 07:20:43,485 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 07:20:43,486 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 14 [2022-12-06 07:20:43,486 INFO L495 AbstractCegarLoop]: Abstraction has has 40 places, 37 transitions, 145 flow [2022-12-06 07:20:43,486 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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) [2022-12-06 07:20:43,486 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 07:20:43,486 INFO L213 CegarLoopForPetriNet]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 07:20:43,494 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-12-06 07:20:43,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-06 07:20:43,694 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-06 07:20:43,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 07:20:43,695 INFO L85 PathProgramCache]: Analyzing trace with hash -1666563630, now seen corresponding path program 1 times [2022-12-06 07:20:43,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 07:20:43,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784349742] [2022-12-06 07:20:43,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 07:20:43,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 07:20:43,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 07:20:43,825 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-06 07:20:43,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 07:20:43,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784349742] [2022-12-06 07:20:43,826 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784349742] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-06 07:20:43,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1277260592] [2022-12-06 07:20:43,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 07:20:43,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-06 07:20:43,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 07:20:43,828 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-06 07:20:43,830 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-06 07:20:43,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 07:20:43,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-06 07:20:43,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-06 07:20:44,012 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-06 07:20:44,012 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-06 07:20:44,110 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-06 07:20:44,111 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1277260592] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-06 07:20:44,111 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-06 07:20:44,111 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 16 [2022-12-06 07:20:44,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399378085] [2022-12-06 07:20:44,111 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-06 07:20:44,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-12-06 07:20:44,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 07:20:44,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-12-06 07:20:44,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=166, Unknown=0, NotChecked=0, Total=272 [2022-12-06 07:20:44,114 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 29 [2022-12-06 07:20:44,114 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 37 transitions, 145 flow. Second operand has 17 states, 17 states have (on average 1.8235294117647058) internal successors, (31), 16 states have internal predecessors, (31), 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) [2022-12-06 07:20:44,114 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 07:20:44,115 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 29 [2022-12-06 07:20:44,115 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 07:20:44,269 INFO L130 PetriNetUnfolder]: 172/313 cut-off events. [2022-12-06 07:20:44,269 INFO L131 PetriNetUnfolder]: For 181/181 co-relation queries the response was YES. [2022-12-06 07:20:44,269 INFO L83 FinitePrefix]: Finished finitePrefix Result has 772 conditions, 313 events. 172/313 cut-off events. For 181/181 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1004 event pairs, 124 based on Foata normal form. 1/267 useless extension candidates. Maximal degree in co-relation 752. Up to 304 conditions per place. [2022-12-06 07:20:44,271 INFO L137 encePairwiseOnDemand]: 24/29 looper letters, 27 selfloop transitions, 12 changer transitions 0/39 dead transitions. [2022-12-06 07:20:44,271 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 39 transitions, 235 flow [2022-12-06 07:20:44,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-06 07:20:44,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-06 07:20:44,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 41 transitions. [2022-12-06 07:20:44,273 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.2019704433497537 [2022-12-06 07:20:44,273 INFO L175 Difference]: Start difference. First operand has 40 places, 37 transitions, 145 flow. Second operand 7 states and 41 transitions. [2022-12-06 07:20:44,273 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 39 transitions, 235 flow [2022-12-06 07:20:44,274 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 39 transitions, 232 flow, removed 1 selfloop flow, removed 2 redundant places. [2022-12-06 07:20:44,274 INFO L231 Difference]: Finished difference. Result has 45 places, 39 transitions, 188 flow [2022-12-06 07:20:44,275 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=142, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=188, PETRI_PLACES=45, PETRI_TRANSITIONS=39} [2022-12-06 07:20:44,276 INFO L294 CegarLoopForPetriNet]: 29 programPoint places, 16 predicate places. [2022-12-06 07:20:44,277 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 07:20:44,277 INFO L89 Accepts]: Start accepts. Operand has 45 places, 39 transitions, 188 flow [2022-12-06 07:20:44,280 INFO L95 Accepts]: Finished accepts. [2022-12-06 07:20:44,281 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 07:20:44,282 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 39 transitions, 188 flow [2022-12-06 07:20:44,282 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 45 places, 39 transitions, 188 flow [2022-12-06 07:20:44,289 INFO L130 PetriNetUnfolder]: 5/49 cut-off events. [2022-12-06 07:20:44,289 INFO L131 PetriNetUnfolder]: For 7/9 co-relation queries the response was YES. [2022-12-06 07:20:44,290 INFO L83 FinitePrefix]: Finished finitePrefix Result has 118 conditions, 49 events. 5/49 cut-off events. For 7/9 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 89 event pairs, 0 based on Foata normal form. 0/43 useless extension candidates. Maximal degree in co-relation 82. Up to 8 conditions per place. [2022-12-06 07:20:44,290 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 39 transitions, 188 flow [2022-12-06 07:20:44,291 INFO L188 LiptonReduction]: Number of co-enabled transitions 186 [2022-12-06 07:20:44,292 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 07:20:44,293 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 16 [2022-12-06 07:20:44,293 INFO L495 AbstractCegarLoop]: Abstraction has has 45 places, 39 transitions, 188 flow [2022-12-06 07:20:44,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 1.8235294117647058) internal successors, (31), 16 states have internal predecessors, (31), 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) [2022-12-06 07:20:44,293 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 07:20:44,293 INFO L213 CegarLoopForPetriNet]: trace histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 07:20:44,300 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-12-06 07:20:44,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-06 07:20:44,498 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-06 07:20:44,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 07:20:44,499 INFO L85 PathProgramCache]: Analyzing trace with hash -508501901, now seen corresponding path program 2 times [2022-12-06 07:20:44,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 07:20:44,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645454243] [2022-12-06 07:20:44,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 07:20:44,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 07:20:44,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 07:20:44,686 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-06 07:20:44,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 07:20:44,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645454243] [2022-12-06 07:20:44,687 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645454243] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 07:20:44,687 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 07:20:44,687 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 07:20:44,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062157800] [2022-12-06 07:20:44,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 07:20:44,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 07:20:44,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 07:20:44,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 07:20:44,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 07:20:44,688 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 29 [2022-12-06 07:20:44,688 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 39 transitions, 188 flow. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2022-12-06 07:20:44,688 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 07:20:44,689 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 29 [2022-12-06 07:20:44,689 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 07:20:44,849 INFO L130 PetriNetUnfolder]: 211/378 cut-off events. [2022-12-06 07:20:44,849 INFO L131 PetriNetUnfolder]: For 123/123 co-relation queries the response was YES. [2022-12-06 07:20:44,850 INFO L83 FinitePrefix]: Finished finitePrefix Result has 922 conditions, 378 events. 211/378 cut-off events. For 123/123 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1314 event pairs, 124 based on Foata normal form. 0/328 useless extension candidates. Maximal degree in co-relation 846. Up to 318 conditions per place. [2022-12-06 07:20:44,852 INFO L137 encePairwiseOnDemand]: 26/29 looper letters, 53 selfloop transitions, 2 changer transitions 0/55 dead transitions. [2022-12-06 07:20:44,852 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 55 transitions, 337 flow [2022-12-06 07:20:44,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 07:20:44,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 07:20:44,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 46 transitions. [2022-12-06 07:20:44,853 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5287356321839081 [2022-12-06 07:20:44,853 INFO L175 Difference]: Start difference. First operand has 45 places, 39 transitions, 188 flow. Second operand 3 states and 46 transitions. [2022-12-06 07:20:44,853 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 55 transitions, 337 flow [2022-12-06 07:20:44,855 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 55 transitions, 313 flow, removed 4 selfloop flow, removed 4 redundant places. [2022-12-06 07:20:44,856 INFO L231 Difference]: Finished difference. Result has 44 places, 40 transitions, 176 flow [2022-12-06 07:20:44,856 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=164, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=176, PETRI_PLACES=44, PETRI_TRANSITIONS=40} [2022-12-06 07:20:44,858 INFO L294 CegarLoopForPetriNet]: 29 programPoint places, 15 predicate places. [2022-12-06 07:20:44,858 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 07:20:44,858 INFO L89 Accepts]: Start accepts. Operand has 44 places, 40 transitions, 176 flow [2022-12-06 07:20:44,861 INFO L95 Accepts]: Finished accepts. [2022-12-06 07:20:44,861 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 07:20:44,861 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 44 places, 40 transitions, 176 flow [2022-12-06 07:20:44,862 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 44 places, 40 transitions, 176 flow [2022-12-06 07:20:44,869 INFO L130 PetriNetUnfolder]: 5/50 cut-off events. [2022-12-06 07:20:44,869 INFO L131 PetriNetUnfolder]: For 16/18 co-relation queries the response was YES. [2022-12-06 07:20:44,869 INFO L83 FinitePrefix]: Finished finitePrefix Result has 114 conditions, 50 events. 5/50 cut-off events. For 16/18 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 96 event pairs, 0 based on Foata normal form. 0/44 useless extension candidates. Maximal degree in co-relation 83. Up to 7 conditions per place. [2022-12-06 07:20:44,870 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 44 places, 40 transitions, 176 flow [2022-12-06 07:20:44,870 INFO L188 LiptonReduction]: Number of co-enabled transitions 216 [2022-12-06 07:20:46,665 INFO L203 LiptonReduction]: Total number of compositions: 1 [2022-12-06 07:20:46,665 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 1807 [2022-12-06 07:20:46,665 INFO L495 AbstractCegarLoop]: Abstraction has has 43 places, 39 transitions, 172 flow [2022-12-06 07:20:46,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2022-12-06 07:20:46,666 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 07:20:46,666 INFO L213 CegarLoopForPetriNet]: trace histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 07:20:46,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-06 07:20:46,666 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-06 07:20:46,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 07:20:46,667 INFO L85 PathProgramCache]: Analyzing trace with hash -1343580082, now seen corresponding path program 1 times [2022-12-06 07:20:46,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 07:20:46,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886542203] [2022-12-06 07:20:46,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 07:20:46,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 07:20:46,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 07:20:46,808 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-06 07:20:46,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 07:20:46,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886542203] [2022-12-06 07:20:46,809 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886542203] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 07:20:46,809 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 07:20:46,809 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 07:20:46,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157571618] [2022-12-06 07:20:46,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 07:20:46,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 07:20:46,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 07:20:46,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 07:20:46,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 07:20:46,810 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 29 [2022-12-06 07:20:46,811 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 39 transitions, 172 flow. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2022-12-06 07:20:46,811 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 07:20:46,811 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 29 [2022-12-06 07:20:46,811 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 07:20:46,987 INFO L130 PetriNetUnfolder]: 266/467 cut-off events. [2022-12-06 07:20:46,987 INFO L131 PetriNetUnfolder]: For 354/354 co-relation queries the response was YES. [2022-12-06 07:20:46,988 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1270 conditions, 467 events. 266/467 cut-off events. For 354/354 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1543 event pairs, 132 based on Foata normal form. 0/399 useless extension candidates. Maximal degree in co-relation 1204. Up to 326 conditions per place. [2022-12-06 07:20:46,990 INFO L137 encePairwiseOnDemand]: 25/29 looper letters, 50 selfloop transitions, 3 changer transitions 0/53 dead transitions. [2022-12-06 07:20:46,990 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 53 transitions, 321 flow [2022-12-06 07:20:46,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 07:20:46,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 07:20:46,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 44 transitions. [2022-12-06 07:20:46,992 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5057471264367817 [2022-12-06 07:20:46,992 INFO L175 Difference]: Start difference. First operand has 43 places, 39 transitions, 172 flow. Second operand 3 states and 44 transitions. [2022-12-06 07:20:46,992 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 53 transitions, 321 flow [2022-12-06 07:20:46,994 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 53 transitions, 305 flow, removed 8 selfloop flow, removed 2 redundant places. [2022-12-06 07:20:46,995 INFO L231 Difference]: Finished difference. Result has 44 places, 41 transitions, 183 flow [2022-12-06 07:20:46,996 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=164, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=183, PETRI_PLACES=44, PETRI_TRANSITIONS=41} [2022-12-06 07:20:46,996 INFO L294 CegarLoopForPetriNet]: 29 programPoint places, 15 predicate places. [2022-12-06 07:20:46,997 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 07:20:46,997 INFO L89 Accepts]: Start accepts. Operand has 44 places, 41 transitions, 183 flow [2022-12-06 07:20:46,997 INFO L95 Accepts]: Finished accepts. [2022-12-06 07:20:46,998 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 07:20:46,998 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 44 places, 41 transitions, 183 flow [2022-12-06 07:20:46,998 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 44 places, 41 transitions, 183 flow [2022-12-06 07:20:47,007 INFO L130 PetriNetUnfolder]: 6/56 cut-off events. [2022-12-06 07:20:47,007 INFO L131 PetriNetUnfolder]: For 16/18 co-relation queries the response was YES. [2022-12-06 07:20:47,008 INFO L83 FinitePrefix]: Finished finitePrefix Result has 123 conditions, 56 events. 6/56 cut-off events. For 16/18 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 85 event pairs, 0 based on Foata normal form. 0/51 useless extension candidates. Maximal degree in co-relation 85. Up to 7 conditions per place. [2022-12-06 07:20:47,008 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 44 places, 41 transitions, 183 flow [2022-12-06 07:20:47,008 INFO L188 LiptonReduction]: Number of co-enabled transitions 214 [2022-12-06 07:20:47,021 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 07:20:47,023 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 26 [2022-12-06 07:20:47,024 INFO L495 AbstractCegarLoop]: Abstraction has has 44 places, 41 transitions, 183 flow [2022-12-06 07:20:47,024 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2022-12-06 07:20:47,024 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 07:20:47,024 INFO L213 CegarLoopForPetriNet]: trace histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 07:20:47,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-06 07:20:47,025 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-06 07:20:47,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 07:20:47,025 INFO L85 PathProgramCache]: Analyzing trace with hash -1460399636, now seen corresponding path program 1 times [2022-12-06 07:20:47,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 07:20:47,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313239843] [2022-12-06 07:20:47,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 07:20:47,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 07:20:47,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 07:20:47,179 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-06 07:20:47,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 07:20:47,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313239843] [2022-12-06 07:20:47,180 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313239843] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 07:20:47,180 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 07:20:47,180 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 07:20:47,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289675331] [2022-12-06 07:20:47,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 07:20:47,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 07:20:47,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 07:20:47,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 07:20:47,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 07:20:47,181 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 29 [2022-12-06 07:20:47,181 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 41 transitions, 183 flow. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2022-12-06 07:20:47,182 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 07:20:47,182 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 29 [2022-12-06 07:20:47,182 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 07:20:47,308 INFO L130 PetriNetUnfolder]: 205/362 cut-off events. [2022-12-06 07:20:47,308 INFO L131 PetriNetUnfolder]: For 203/203 co-relation queries the response was YES. [2022-12-06 07:20:47,309 INFO L83 FinitePrefix]: Finished finitePrefix Result has 908 conditions, 362 events. 205/362 cut-off events. For 203/203 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1069 event pairs, 64 based on Foata normal form. 36/348 useless extension candidates. Maximal degree in co-relation 842. Up to 331 conditions per place. [2022-12-06 07:20:47,310 INFO L137 encePairwiseOnDemand]: 25/29 looper letters, 42 selfloop transitions, 2 changer transitions 4/48 dead transitions. [2022-12-06 07:20:47,310 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 48 transitions, 302 flow [2022-12-06 07:20:47,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 07:20:47,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 07:20:47,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 38 transitions. [2022-12-06 07:20:47,312 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.4367816091954023 [2022-12-06 07:20:47,312 INFO L175 Difference]: Start difference. First operand has 44 places, 41 transitions, 183 flow. Second operand 3 states and 38 transitions. [2022-12-06 07:20:47,312 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 48 transitions, 302 flow [2022-12-06 07:20:47,313 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 48 transitions, 298 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-06 07:20:47,315 INFO L231 Difference]: Finished difference. Result has 46 places, 41 transitions, 188 flow [2022-12-06 07:20:47,316 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=180, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=188, PETRI_PLACES=46, PETRI_TRANSITIONS=41} [2022-12-06 07:20:47,317 INFO L294 CegarLoopForPetriNet]: 29 programPoint places, 17 predicate places. [2022-12-06 07:20:47,317 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 07:20:47,317 INFO L89 Accepts]: Start accepts. Operand has 46 places, 41 transitions, 188 flow [2022-12-06 07:20:47,320 INFO L95 Accepts]: Finished accepts. [2022-12-06 07:20:47,320 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 07:20:47,320 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 46 places, 41 transitions, 188 flow [2022-12-06 07:20:47,321 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 44 places, 41 transitions, 188 flow [2022-12-06 07:20:47,329 INFO L130 PetriNetUnfolder]: 8/48 cut-off events. [2022-12-06 07:20:47,329 INFO L131 PetriNetUnfolder]: For 17/17 co-relation queries the response was YES. [2022-12-06 07:20:47,329 INFO L83 FinitePrefix]: Finished finitePrefix Result has 114 conditions, 48 events. 8/48 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 44 event pairs, 0 based on Foata normal form. 0/44 useless extension candidates. Maximal degree in co-relation 85. Up to 7 conditions per place. [2022-12-06 07:20:47,330 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 44 places, 41 transitions, 188 flow [2022-12-06 07:20:47,330 INFO L188 LiptonReduction]: Number of co-enabled transitions 176 [2022-12-06 07:20:47,330 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 07:20:47,333 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 16 [2022-12-06 07:20:47,334 INFO L495 AbstractCegarLoop]: Abstraction has has 44 places, 41 transitions, 188 flow [2022-12-06 07:20:47,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2022-12-06 07:20:47,334 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 07:20:47,334 INFO L213 CegarLoopForPetriNet]: trace histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 07:20:47,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-06 07:20:47,334 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-06 07:20:47,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 07:20:47,335 INFO L85 PathProgramCache]: Analyzing trace with hash 1898492142, now seen corresponding path program 1 times [2022-12-06 07:20:47,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 07:20:47,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185042797] [2022-12-06 07:20:47,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 07:20:47,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 07:20:47,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 07:20:50,400 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-06 07:20:50,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 07:20:50,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185042797] [2022-12-06 07:20:50,401 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185042797] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-06 07:20:50,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [993975856] [2022-12-06 07:20:50,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 07:20:50,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-06 07:20:50,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 07:20:50,408 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-06 07:20:50,411 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-06 07:20:50,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 07:20:50,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 36 conjunts are in the unsatisfiable core [2022-12-06 07:20:50,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-06 07:20:51,602 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-06 07:20:51,602 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-06 07:21:04,333 WARN L233 SmtUtils]: Spent 10.20s on a formula simplification. DAG size of input: 60 DAG size of output: 52 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-06 07:21:05,379 INFO L321 Elim1Store]: treesize reduction 37, result has 92.9 percent of original size [2022-12-06 07:21:05,380 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 131 treesize of output 560 Received shutdown request... [2022-12-06 07:33:36,772 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-12-06 07:33:36,781 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-12-06 07:33:36,786 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-12-06 07:33:36,802 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-12-06 07:33:36,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-06 07:33:36,978 WARN L619 AbstractCegarLoop]: Verification canceled: while CegarLoopForPetriNetWithRepeatedLiptonReduction was analyzing trace of length 33 with TraceHistMax 5,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-41-4-4-3-2-4-2-4-2-4-1 context. [2022-12-06 07:33:36,980 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2022-12-06 07:33:36,980 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2022-12-06 07:33:36,980 INFO L458 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1] [2022-12-06 07:33:36,984 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-06 07:33:36,984 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-06 07:33:36,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 07:33:36 BasicIcfg [2022-12-06 07:33:36,986 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-06 07:33:36,986 INFO L158 Benchmark]: Toolchain (without parser) took 797976.31ms. Allocated memory was 216.0MB in the beginning and 691.0MB in the end (delta: 475.0MB). Free memory was 185.3MB in the beginning and 461.6MB in the end (delta: -276.3MB). Peak memory consumption was 440.9MB. Max. memory is 8.0GB. [2022-12-06 07:33:36,987 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 216.0MB. Free memory was 193.5MB in the beginning and 193.4MB in the end (delta: 71.6kB). There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 07:33:36,987 INFO L158 Benchmark]: CACSL2BoogieTranslator took 351.24ms. Allocated memory is still 216.0MB. Free memory was 185.0MB in the beginning and 171.9MB in the end (delta: 13.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-12-06 07:33:36,987 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.23ms. Allocated memory is still 216.0MB. Free memory was 171.4MB in the beginning and 168.3MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-12-06 07:33:36,987 INFO L158 Benchmark]: Boogie Preprocessor took 54.05ms. Allocated memory is still 216.0MB. Free memory was 168.3MB in the beginning and 166.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-06 07:33:36,988 INFO L158 Benchmark]: RCFGBuilder took 758.13ms. Allocated memory is still 216.0MB. Free memory was 166.2MB in the beginning and 134.7MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 8.0GB. [2022-12-06 07:33:36,988 INFO L158 Benchmark]: TraceAbstraction took 796731.10ms. Allocated memory was 216.0MB in the beginning and 691.0MB in the end (delta: 475.0MB). Free memory was 133.7MB in the beginning and 461.6MB in the end (delta: -327.9MB). Peak memory consumption was 389.5MB. Max. memory is 8.0GB. [2022-12-06 07:33:36,989 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 216.0MB. Free memory was 193.5MB in the beginning and 193.4MB in the end (delta: 71.6kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 351.24ms. Allocated memory is still 216.0MB. Free memory was 185.0MB in the beginning and 171.9MB in the end (delta: 13.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 74.23ms. Allocated memory is still 216.0MB. Free memory was 171.4MB in the beginning and 168.3MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 54.05ms. Allocated memory is still 216.0MB. Free memory was 168.3MB in the beginning and 166.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 758.13ms. Allocated memory is still 216.0MB. Free memory was 166.2MB in the beginning and 134.7MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 8.0GB. * TraceAbstraction took 796731.10ms. Allocated memory was 216.0MB in the beginning and 691.0MB in the end (delta: 475.0MB). Free memory was 133.7MB in the beginning and 461.6MB in the end (delta: -327.9MB). Peak memory consumption was 389.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 19.2s, 415 PlacesBefore, 29 PlacesAfterwards, 457 TransitionsBefore, 29 TransitionsAfterwards, 52052 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 122 TrivialYvCompositions, 264 ConcurrentYvCompositions, 42 ChoiceCompositions, 428 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 36100, independent: 36049, independent conditional: 36049, independent unconditional: 0, dependent: 51, dependent conditional: 51, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 36100, independent: 36049, independent conditional: 0, independent unconditional: 36049, dependent: 51, dependent conditional: 0, dependent unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 36100, independent: 36049, independent conditional: 0, independent unconditional: 36049, dependent: 51, dependent conditional: 0, dependent unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 36100, independent: 36049, independent conditional: 0, independent unconditional: 36049, dependent: 51, dependent conditional: 0, dependent unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 30546, independent: 30518, independent conditional: 0, independent unconditional: 30518, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 30546, independent: 30518, independent conditional: 0, independent unconditional: 30518, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 28, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 76, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 76, dependent conditional: 0, dependent unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 36100, independent: 5531, independent conditional: 0, independent unconditional: 5531, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 30546, unknown conditional: 0, unknown unconditional: 30546] , Statistics on independence cache: Total cache size (in pairs): 68635, Positive cache size: 68607, Positive conditional cache size: 0, Positive unconditional cache size: 68607, Negative cache size: 28, Negative conditional cache size: 0, Negative unconditional cache size: 28, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 28 PlacesBefore, 28 PlacesAfterwards, 31 TransitionsBefore, 31 TransitionsAfterwards, 192 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 72, independent: 54, independent conditional: 54, independent unconditional: 0, dependent: 18, dependent conditional: 18, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 72, independent: 54, independent conditional: 0, independent unconditional: 54, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 72, independent: 54, independent conditional: 0, independent unconditional: 54, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 72, independent: 54, independent conditional: 0, independent unconditional: 54, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 64, independent: 48, independent conditional: 0, independent unconditional: 48, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 64, independent: 48, independent conditional: 0, independent unconditional: 48, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 16, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 46, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 46, dependent conditional: 0, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 72, independent: 6, independent conditional: 0, independent unconditional: 6, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 64, unknown conditional: 0, unknown unconditional: 64] , Statistics on independence cache: Total cache size (in pairs): 64, Positive cache size: 48, Positive conditional cache size: 0, Positive unconditional cache size: 48, Negative cache size: 16, Negative conditional cache size: 0, Negative unconditional cache size: 16, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 35 PlacesBefore, 35 PlacesAfterwards, 37 TransitionsBefore, 37 TransitionsAfterwards, 192 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 126, independent: 108, independent conditional: 108, independent unconditional: 0, dependent: 18, dependent conditional: 18, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 126, independent: 108, independent conditional: 0, independent unconditional: 108, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 126, independent: 108, independent conditional: 0, independent unconditional: 108, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 126, independent: 108, independent conditional: 0, independent unconditional: 108, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 48, independent: 48, independent conditional: 0, independent unconditional: 48, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 48, independent: 48, independent conditional: 0, independent unconditional: 48, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 126, independent: 60, independent conditional: 0, independent unconditional: 60, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 48, unknown conditional: 0, unknown unconditional: 48] , Statistics on independence cache: Total cache size (in pairs): 112, Positive cache size: 96, Positive conditional cache size: 0, Positive unconditional cache size: 96, Negative cache size: 16, Negative conditional cache size: 0, Negative unconditional cache size: 16, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 38 PlacesBefore, 38 PlacesAfterwards, 37 TransitionsBefore, 37 TransitionsAfterwards, 188 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 126, independent: 108, independent conditional: 108, independent unconditional: 0, dependent: 18, dependent conditional: 18, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 126, independent: 108, independent conditional: 0, independent unconditional: 108, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 126, independent: 108, independent conditional: 0, independent unconditional: 108, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 126, independent: 108, independent conditional: 0, independent unconditional: 108, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 126, independent: 108, independent conditional: 0, independent unconditional: 108, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 112, Positive cache size: 96, Positive conditional cache size: 0, Positive unconditional cache size: 96, Negative cache size: 16, Negative conditional cache size: 0, Negative unconditional cache size: 16, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 40 PlacesBefore, 40 PlacesAfterwards, 37 TransitionsBefore, 37 TransitionsAfterwards, 186 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 126, independent: 108, independent conditional: 108, independent unconditional: 0, dependent: 18, dependent conditional: 18, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 126, independent: 108, independent conditional: 0, independent unconditional: 108, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 126, independent: 108, independent conditional: 0, independent unconditional: 108, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 126, independent: 108, independent conditional: 0, independent unconditional: 108, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 126, independent: 108, independent conditional: 0, independent unconditional: 108, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 112, Positive cache size: 96, Positive conditional cache size: 0, Positive unconditional cache size: 96, Negative cache size: 16, Negative conditional cache size: 0, Negative unconditional cache size: 16, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 45 PlacesBefore, 45 PlacesAfterwards, 39 TransitionsBefore, 39 TransitionsAfterwards, 186 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 18, dependent conditional: 18, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 18, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 18, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 18, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 18, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 112, Positive cache size: 96, Positive conditional cache size: 0, Positive unconditional cache size: 96, Negative cache size: 16, Negative conditional cache size: 0, Negative unconditional cache size: 16, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.8s, 44 PlacesBefore, 43 PlacesAfterwards, 40 TransitionsBefore, 39 TransitionsAfterwards, 216 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 51, independent: 15, independent conditional: 15, independent unconditional: 0, dependent: 36, dependent conditional: 36, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 51, independent: 15, independent conditional: 15, independent unconditional: 0, dependent: 36, dependent conditional: 0, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 51, independent: 15, independent conditional: 15, independent unconditional: 0, dependent: 36, dependent conditional: 0, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 51, independent: 15, independent conditional: 15, independent unconditional: 0, dependent: 36, dependent conditional: 0, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7, independent: 7, independent conditional: 7, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 51, independent: 8, independent conditional: 8, independent unconditional: 0, dependent: 36, dependent conditional: 0, dependent unconditional: 36, unknown: 7, unknown conditional: 7, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 135, Positive cache size: 119, Positive conditional cache size: 7, Positive unconditional cache size: 112, Negative cache size: 16, Negative conditional cache size: 0, Negative unconditional cache size: 16, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 44 PlacesBefore, 44 PlacesAfterwards, 41 TransitionsBefore, 41 TransitionsAfterwards, 214 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 22, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 22, dependent conditional: 22, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 22, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 22, dependent conditional: 4, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 22, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 22, dependent conditional: 4, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 22, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 22, dependent conditional: 4, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 4, dependent conditional: 4, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 4, dependent conditional: 4, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 12, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 12, dependent conditional: 12, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 22, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 139, Positive cache size: 119, Positive conditional cache size: 7, Positive unconditional cache size: 112, Negative cache size: 20, Negative conditional cache size: 4, Negative unconditional cache size: 16, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 44 PlacesBefore, 44 PlacesAfterwards, 41 TransitionsBefore, 41 TransitionsAfterwards, 176 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 22, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 22, dependent conditional: 22, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 22, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 22, dependent conditional: 4, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 22, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 22, dependent conditional: 4, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 22, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 22, dependent conditional: 4, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 22, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 22, dependent conditional: 4, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 139, Positive cache size: 119, Positive conditional cache size: 7, Positive unconditional cache size: 112, Negative cache size: 20, Negative conditional cache size: 4, Negative unconditional cache size: 16, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0 - TimeoutResultAtElement [Line: 128]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while CegarLoopForPetriNetWithRepeatedLiptonReduction was analyzing trace of length 33 with TraceHistMax 5,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-41-4-4-3-2-4-2-4-2-4-1 context. - TimeoutResultAtElement [Line: 123]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNetWithRepeatedLiptonReduction was analyzing trace of length 33 with TraceHistMax 5,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-41-4-4-3-2-4-2-4-2-4-1 context. - TimeoutResultAtElement [Line: 122]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNetWithRepeatedLiptonReduction was analyzing trace of length 33 with TraceHistMax 5,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-41-4-4-3-2-4-2-4-2-4-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 691 locations, 3 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 796.5s, OverallIterations: 9, TraceHistogramMax: 5, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 19.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 72 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 72 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 38 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 722 IncrementalHoareTripleChecker+Invalid, 760 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 38 mSolverCounterUnsat, 0 mSDtfsCounter, 722 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 145 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=188occurred in iteration=5, InterpolantAutomatonStates: 33, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 243 NumberOfCodeBlocks, 227 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 266 ConstructedInterpolants, 0 QuantifiedInterpolants, 937 SizeOfPredicates, 46 NumberOfNonLiveVariables, 776 ConjunctsInSsa, 27 ConjunctsInUnsatCore, 14 InterpolantComputations, 6 PerfectInterpolantSequences, 183/236 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown