/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-NoLbe.epf --traceabstraction.use.on-demand.petri.net.difference true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/chl-sre-subst.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-06 17:20:29,426 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 17:20:29,428 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 17:20:29,468 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 17:20:29,469 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 17:20:29,470 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 17:20:29,473 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 17:20:29,476 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 17:20:29,479 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 17:20:29,482 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 17:20:29,483 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 17:20:29,485 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 17:20:29,485 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 17:20:29,486 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 17:20:29,487 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 17:20:29,489 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 17:20:29,490 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 17:20:29,490 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 17:20:29,492 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 17:20:29,497 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 17:20:29,498 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 17:20:29,499 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 17:20:29,500 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 17:20:29,501 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 17:20:29,506 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-06 17:20:29,506 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-06 17:20:29,506 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-06 17:20:29,507 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-06 17:20:29,508 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-06 17:20:29,508 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-06 17:20:29,508 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 17:20:29,510 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 17:20:29,511 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 17:20:29,511 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 17:20:29,512 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 17:20:29,512 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 17:20:29,512 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 17:20:29,512 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 17:20:29,512 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 17:20:29,513 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 17:20:29,513 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 17:20:29,517 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-NoLbe.epf [2022-12-06 17:20:29,543 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 17:20:29,544 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 17:20:29,545 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-06 17:20:29,545 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-06 17:20:29,545 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 17:20:29,546 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 17:20:29,546 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 17:20:29,546 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 17:20:29,546 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 17:20:29,546 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 17:20:29,547 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 17:20:29,547 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 17:20:29,547 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 17:20:29,547 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 17:20:29,547 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 17:20:29,547 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 17:20:29,547 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 17:20:29,548 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 17:20:29,548 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 17:20:29,548 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 17:20:29,548 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 17:20:29,548 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 17:20:29,548 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 17:20:29,548 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 17:20:29,548 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 17:20:29,548 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 17:20:29,548 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 17:20:29,549 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 17:20:29,549 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 17:20:29,549 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-06 17:20:29,549 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-06 17:20:29,549 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use on-demand Petri net difference -> true [2022-12-06 17:20:29,811 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 17:20:29,824 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 17:20:29,826 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 17:20:29,826 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 17:20:29,827 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 17:20:29,828 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-sre-subst.wvr.c [2022-12-06 17:20:30,923 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 17:20:31,111 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 17:20:31,111 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-sre-subst.wvr.c [2022-12-06 17:20:31,117 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99b892604/9791e133d53d4799bf3192e51b1b9371/FLAGdc4390cf8 [2022-12-06 17:20:31,135 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99b892604/9791e133d53d4799bf3192e51b1b9371 [2022-12-06 17:20:31,136 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 17:20:31,138 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 17:20:31,140 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 17:20:31,140 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 17:20:31,142 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 17:20:31,142 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:20:31" (1/1) ... [2022-12-06 17:20:31,143 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70cb3f90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:31, skipping insertion in model container [2022-12-06 17:20:31,143 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:20:31" (1/1) ... [2022-12-06 17:20:31,148 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 17:20:31,166 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 17:20:31,276 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-sre-subst.wvr.c[2333,2346] [2022-12-06 17:20:31,279 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 17:20:31,290 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 17:20:31,319 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-sre-subst.wvr.c[2333,2346] [2022-12-06 17:20:31,322 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 17:20:31,331 INFO L208 MainTranslator]: Completed translation [2022-12-06 17:20:31,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:31 WrapperNode [2022-12-06 17:20:31,332 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 17:20:31,332 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 17:20:31,332 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 17:20:31,332 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 17:20:31,338 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:31" (1/1) ... [2022-12-06 17:20:31,350 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:31" (1/1) ... [2022-12-06 17:20:31,369 INFO L138 Inliner]: procedures = 22, calls = 26, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 74 [2022-12-06 17:20:31,369 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 17:20:31,370 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 17:20:31,370 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 17:20:31,370 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 17:20:31,376 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:31" (1/1) ... [2022-12-06 17:20:31,376 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:31" (1/1) ... [2022-12-06 17:20:31,380 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:31" (1/1) ... [2022-12-06 17:20:31,380 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:31" (1/1) ... [2022-12-06 17:20:31,390 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:31" (1/1) ... [2022-12-06 17:20:31,392 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:31" (1/1) ... [2022-12-06 17:20:31,398 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:31" (1/1) ... [2022-12-06 17:20:31,399 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:31" (1/1) ... [2022-12-06 17:20:31,400 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 17:20:31,401 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 17:20:31,401 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 17:20:31,401 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 17:20:31,401 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:31" (1/1) ... [2022-12-06 17:20:31,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 17:20:31,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 17:20:31,465 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 17:20:31,499 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 17:20:31,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 17:20:31,529 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-06 17:20:31,530 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-06 17:20:31,530 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-06 17:20:31,530 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-06 17:20:31,530 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-12-06 17:20:31,530 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-12-06 17:20:31,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 17:20:31,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 17:20:31,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 17:20:31,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 17:20:31,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 17:20:31,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-06 17:20:31,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 17:20:31,532 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 17:20:31,600 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 17:20:31,601 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 17:20:31,739 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 17:20:31,744 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 17:20:31,745 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-06 17:20:31,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:20:31 BoogieIcfgContainer [2022-12-06 17:20:31,746 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 17:20:31,748 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 17:20:31,748 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 17:20:31,750 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 17:20:31,750 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 05:20:31" (1/3) ... [2022-12-06 17:20:31,750 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37fa251c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 05:20:31, skipping insertion in model container [2022-12-06 17:20:31,750 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:31" (2/3) ... [2022-12-06 17:20:31,750 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37fa251c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 05:20:31, skipping insertion in model container [2022-12-06 17:20:31,751 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:20:31" (3/3) ... [2022-12-06 17:20:31,751 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-sre-subst.wvr.c [2022-12-06 17:20:31,764 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 17:20:31,764 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-06 17:20:31,764 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 17:20:31,827 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-12-06 17:20:31,852 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 95 places, 87 transitions, 198 flow [2022-12-06 17:20:31,902 INFO L130 PetriNetUnfolder]: 2/84 cut-off events. [2022-12-06 17:20:31,903 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-06 17:20:31,915 INFO L83 FinitePrefix]: Finished finitePrefix Result has 97 conditions, 84 events. 2/84 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 22 event pairs, 0 based on Foata normal form. 0/81 useless extension candidates. Maximal degree in co-relation 39. Up to 2 conditions per place. [2022-12-06 17:20:31,915 INFO L82 GeneralOperation]: Start removeDead. Operand has 95 places, 87 transitions, 198 flow [2022-12-06 17:20:31,928 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 82 places, 74 transitions, 166 flow [2022-12-06 17:20:31,938 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 17:20:31,942 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=PETRI_NET, 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;@2f347401, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 17:20:31,943 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-12-06 17:20:31,962 INFO L130 PetriNetUnfolder]: 2/73 cut-off events. [2022-12-06 17:20:31,962 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-06 17:20:31,962 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 17:20:31,963 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:20:31,963 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-06 17:20:31,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 17:20:31,967 INFO L85 PathProgramCache]: Analyzing trace with hash -329090897, now seen corresponding path program 1 times [2022-12-06 17:20:31,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 17:20:31,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070739349] [2022-12-06 17:20:31,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 17:20:31,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 17:20:32,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 17:20:34,166 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 17:20:34,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 17:20:34,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070739349] [2022-12-06 17:20:34,167 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070739349] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 17:20:34,167 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 17:20:34,168 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-06 17:20:34,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892101725] [2022-12-06 17:20:34,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 17:20:34,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-06 17:20:34,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 17:20:34,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-06 17:20:34,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-12-06 17:20:34,216 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 87 [2022-12-06 17:20:34,221 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 74 transitions, 166 flow. Second operand has 10 states, 10 states have (on average 58.6) internal successors, (586), 10 states have internal predecessors, (586), 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 17:20:34,221 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 17:20:34,221 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 87 [2022-12-06 17:20:34,222 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 17:20:34,997 INFO L130 PetriNetUnfolder]: 15/180 cut-off events. [2022-12-06 17:20:34,997 INFO L131 PetriNetUnfolder]: For 53/53 co-relation queries the response was YES. [2022-12-06 17:20:34,998 INFO L83 FinitePrefix]: Finished finitePrefix Result has 302 conditions, 180 events. 15/180 cut-off events. For 53/53 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 521 event pairs, 5 based on Foata normal form. 6/175 useless extension candidates. Maximal degree in co-relation 137. Up to 30 conditions per place. [2022-12-06 17:20:34,999 INFO L137 encePairwiseOnDemand]: 74/87 looper letters, 39 selfloop transitions, 2 changer transitions 18/103 dead transitions. [2022-12-06 17:20:34,999 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 103 transitions, 369 flow [2022-12-06 17:20:35,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-06 17:20:35,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2022-12-06 17:20:35,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 794 transitions. [2022-12-06 17:20:35,011 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.7020335985853228 [2022-12-06 17:20:35,016 INFO L294 CegarLoopForPetriNet]: 82 programPoint places, 12 predicate places. [2022-12-06 17:20:35,016 INFO L495 AbstractCegarLoop]: Abstraction has has 94 places, 103 transitions, 369 flow [2022-12-06 17:20:35,017 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 58.6) internal successors, (586), 10 states have internal predecessors, (586), 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 17:20:35,017 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 17:20:35,017 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:20:35,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 17:20:35,018 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-06 17:20:35,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 17:20:35,019 INFO L85 PathProgramCache]: Analyzing trace with hash 1714481581, now seen corresponding path program 2 times [2022-12-06 17:20:35,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 17:20:35,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485454481] [2022-12-06 17:20:35,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 17:20:35,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 17:20:35,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 17:20:36,458 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 17:20:36,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 17:20:36,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485454481] [2022-12-06 17:20:36,459 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485454481] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 17:20:36,460 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 17:20:36,460 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-06 17:20:36,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616662976] [2022-12-06 17:20:36,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 17:20:36,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-06 17:20:36,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 17:20:36,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-06 17:20:36,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-12-06 17:20:36,463 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 87 [2022-12-06 17:20:36,463 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 103 transitions, 369 flow. Second operand has 10 states, 10 states have (on average 58.6) internal successors, (586), 10 states have internal predecessors, (586), 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 17:20:36,463 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 17:20:36,464 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 87 [2022-12-06 17:20:36,464 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 17:20:37,933 INFO L130 PetriNetUnfolder]: 14/199 cut-off events. [2022-12-06 17:20:37,933 INFO L131 PetriNetUnfolder]: For 149/206 co-relation queries the response was YES. [2022-12-06 17:20:37,933 INFO L83 FinitePrefix]: Finished finitePrefix Result has 435 conditions, 199 events. 14/199 cut-off events. For 149/206 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 657 event pairs, 0 based on Foata normal form. 10/203 useless extension candidates. Maximal degree in co-relation 179. Up to 40 conditions per place. [2022-12-06 17:20:37,934 INFO L137 encePairwiseOnDemand]: 76/87 looper letters, 42 selfloop transitions, 3 changer transitions 32/121 dead transitions. [2022-12-06 17:20:37,934 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 121 transitions, 613 flow [2022-12-06 17:20:37,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-06 17:20:37,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2022-12-06 17:20:37,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 788 transitions. [2022-12-06 17:20:37,936 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6967285587975243 [2022-12-06 17:20:37,936 INFO L294 CegarLoopForPetriNet]: 82 programPoint places, 24 predicate places. [2022-12-06 17:20:37,936 INFO L495 AbstractCegarLoop]: Abstraction has has 106 places, 121 transitions, 613 flow [2022-12-06 17:20:37,937 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 58.6) internal successors, (586), 10 states have internal predecessors, (586), 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 17:20:37,937 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 17:20:37,937 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:20:37,937 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-06 17:20:37,937 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-06 17:20:37,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 17:20:37,938 INFO L85 PathProgramCache]: Analyzing trace with hash -949691877, now seen corresponding path program 3 times [2022-12-06 17:20:37,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 17:20:37,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391781227] [2022-12-06 17:20:37,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 17:20:37,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 17:20:37,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 17:20:38,879 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 17:20:38,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 17:20:38,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391781227] [2022-12-06 17:20:38,879 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391781227] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 17:20:38,880 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 17:20:38,880 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-06 17:20:38,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66374742] [2022-12-06 17:20:38,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 17:20:38,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-06 17:20:38,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 17:20:38,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-06 17:20:38,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-12-06 17:20:38,883 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 87 [2022-12-06 17:20:38,883 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 121 transitions, 613 flow. Second operand has 10 states, 10 states have (on average 58.6) internal successors, (586), 10 states have internal predecessors, (586), 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 17:20:38,884 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 17:20:38,884 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 87 [2022-12-06 17:20:38,884 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 17:20:39,756 INFO L130 PetriNetUnfolder]: 14/225 cut-off events. [2022-12-06 17:20:39,756 INFO L131 PetriNetUnfolder]: For 323/465 co-relation queries the response was YES. [2022-12-06 17:20:39,757 INFO L83 FinitePrefix]: Finished finitePrefix Result has 609 conditions, 225 events. 14/225 cut-off events. For 323/465 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 850 event pairs, 0 based on Foata normal form. 15/233 useless extension candidates. Maximal degree in co-relation 240. Up to 49 conditions per place. [2022-12-06 17:20:39,758 INFO L137 encePairwiseOnDemand]: 76/87 looper letters, 43 selfloop transitions, 4 changer transitions 53/144 dead transitions. [2022-12-06 17:20:39,758 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 144 transitions, 978 flow [2022-12-06 17:20:39,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-06 17:20:39,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2022-12-06 17:20:39,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 787 transitions. [2022-12-06 17:20:39,760 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.695844385499558 [2022-12-06 17:20:39,761 INFO L294 CegarLoopForPetriNet]: 82 programPoint places, 36 predicate places. [2022-12-06 17:20:39,761 INFO L495 AbstractCegarLoop]: Abstraction has has 118 places, 144 transitions, 978 flow [2022-12-06 17:20:39,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 58.6) internal successors, (586), 10 states have internal predecessors, (586), 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 17:20:39,761 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 17:20:39,761 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:20:39,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-06 17:20:39,762 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-06 17:20:39,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 17:20:39,762 INFO L85 PathProgramCache]: Analyzing trace with hash -254827697, now seen corresponding path program 4 times [2022-12-06 17:20:39,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 17:20:39,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371913450] [2022-12-06 17:20:39,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 17:20:39,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 17:20:39,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 17:20:40,592 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 17:20:40,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 17:20:40,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371913450] [2022-12-06 17:20:40,593 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371913450] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 17:20:40,593 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 17:20:40,593 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-06 17:20:40,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949721292] [2022-12-06 17:20:40,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 17:20:40,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-06 17:20:40,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 17:20:40,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-06 17:20:40,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-12-06 17:20:40,595 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 87 [2022-12-06 17:20:40,596 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 144 transitions, 978 flow. Second operand has 10 states, 10 states have (on average 58.6) internal successors, (586), 10 states have internal predecessors, (586), 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 17:20:40,596 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 17:20:40,596 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 87 [2022-12-06 17:20:40,596 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 17:20:41,287 INFO L130 PetriNetUnfolder]: 14/222 cut-off events. [2022-12-06 17:20:41,287 INFO L131 PetriNetUnfolder]: For 544/869 co-relation queries the response was YES. [2022-12-06 17:20:41,288 INFO L83 FinitePrefix]: Finished finitePrefix Result has 716 conditions, 222 events. 14/222 cut-off events. For 544/869 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 835 event pairs, 0 based on Foata normal form. 41/257 useless extension candidates. Maximal degree in co-relation 279. Up to 48 conditions per place. [2022-12-06 17:20:41,288 INFO L137 encePairwiseOnDemand]: 76/87 looper letters, 28 selfloop transitions, 1 changer transitions 70/143 dead transitions. [2022-12-06 17:20:41,289 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 143 transitions, 1168 flow [2022-12-06 17:20:41,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-06 17:20:41,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2022-12-06 17:20:41,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 786 transitions. [2022-12-06 17:20:41,305 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6949602122015915 [2022-12-06 17:20:41,305 INFO L294 CegarLoopForPetriNet]: 82 programPoint places, 48 predicate places. [2022-12-06 17:20:41,306 INFO L495 AbstractCegarLoop]: Abstraction has has 130 places, 143 transitions, 1168 flow [2022-12-06 17:20:41,306 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 58.6) internal successors, (586), 10 states have internal predecessors, (586), 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 17:20:41,306 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 17:20:41,306 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:20:41,306 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-06 17:20:41,306 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-06 17:20:41,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 17:20:41,307 INFO L85 PathProgramCache]: Analyzing trace with hash -1427388753, now seen corresponding path program 5 times [2022-12-06 17:20:41,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 17:20:41,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007645914] [2022-12-06 17:20:41,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 17:20:41,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 17:20:41,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 17:20:42,382 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 17:20:42,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 17:20:42,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007645914] [2022-12-06 17:20:42,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007645914] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 17:20:42,383 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 17:20:42,383 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-06 17:20:42,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571124386] [2022-12-06 17:20:42,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 17:20:42,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-06 17:20:42,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 17:20:42,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-06 17:20:42,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-12-06 17:20:42,386 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 87 [2022-12-06 17:20:42,387 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 143 transitions, 1168 flow. Second operand has 10 states, 10 states have (on average 58.6) internal successors, (586), 10 states have internal predecessors, (586), 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 17:20:42,387 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 17:20:42,387 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 87 [2022-12-06 17:20:42,387 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 17:20:43,276 INFO L130 PetriNetUnfolder]: 13/242 cut-off events. [2022-12-06 17:20:43,276 INFO L131 PetriNetUnfolder]: For 932/2221 co-relation queries the response was YES. [2022-12-06 17:20:43,276 INFO L83 FinitePrefix]: Finished finitePrefix Result has 917 conditions, 242 events. 13/242 cut-off events. For 932/2221 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1031 event pairs, 0 based on Foata normal form. 46/281 useless extension candidates. Maximal degree in co-relation 342. Up to 54 conditions per place. [2022-12-06 17:20:43,277 INFO L137 encePairwiseOnDemand]: 76/87 looper letters, 25 selfloop transitions, 1 changer transitions 86/156 dead transitions. [2022-12-06 17:20:43,277 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 156 transitions, 1531 flow [2022-12-06 17:20:43,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-06 17:20:43,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2022-12-06 17:20:43,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 786 transitions. [2022-12-06 17:20:43,284 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6949602122015915 [2022-12-06 17:20:43,285 INFO L294 CegarLoopForPetriNet]: 82 programPoint places, 60 predicate places. [2022-12-06 17:20:43,285 INFO L495 AbstractCegarLoop]: Abstraction has has 142 places, 156 transitions, 1531 flow [2022-12-06 17:20:43,285 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 58.6) internal successors, (586), 10 states have internal predecessors, (586), 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 17:20:43,285 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 17:20:43,285 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:20:43,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-06 17:20:43,286 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-06 17:20:43,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 17:20:43,286 INFO L85 PathProgramCache]: Analyzing trace with hash 775607855, now seen corresponding path program 6 times [2022-12-06 17:20:43,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 17:20:43,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839641359] [2022-12-06 17:20:43,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 17:20:43,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 17:20:43,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 17:20:44,073 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 17:20:44,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 17:20:44,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839641359] [2022-12-06 17:20:44,074 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839641359] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 17:20:44,074 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 17:20:44,074 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-06 17:20:44,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003738792] [2022-12-06 17:20:44,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 17:20:44,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-06 17:20:44,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 17:20:44,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-06 17:20:44,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-12-06 17:20:44,075 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 87 [2022-12-06 17:20:44,076 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 156 transitions, 1531 flow. Second operand has 10 states, 10 states have (on average 58.6) internal successors, (586), 10 states have internal predecessors, (586), 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 17:20:44,076 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 17:20:44,076 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 87 [2022-12-06 17:20:44,076 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 17:20:45,086 INFO L130 PetriNetUnfolder]: 13/241 cut-off events. [2022-12-06 17:20:45,086 INFO L131 PetriNetUnfolder]: For 1069/1320 co-relation queries the response was YES. [2022-12-06 17:20:45,087 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1036 conditions, 241 events. 13/241 cut-off events. For 1069/1320 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1032 event pairs, 0 based on Foata normal form. 20/255 useless extension candidates. Maximal degree in co-relation 378. Up to 53 conditions per place. [2022-12-06 17:20:45,088 INFO L137 encePairwiseOnDemand]: 76/87 looper letters, 0 selfloop transitions, 0 changer transitions 153/153 dead transitions. [2022-12-06 17:20:45,088 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 153 transitions, 1737 flow [2022-12-06 17:20:45,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-06 17:20:45,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2022-12-06 17:20:45,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 785 transitions. [2022-12-06 17:20:45,094 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6940760389036251 [2022-12-06 17:20:45,097 INFO L294 CegarLoopForPetriNet]: 82 programPoint places, 69 predicate places. [2022-12-06 17:20:45,097 INFO L495 AbstractCegarLoop]: Abstraction has has 151 places, 153 transitions, 1737 flow [2022-12-06 17:20:45,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 58.6) internal successors, (586), 10 states have internal predecessors, (586), 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 17:20:45,100 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-12-06 17:20:45,101 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2022-12-06 17:20:45,101 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2022-12-06 17:20:45,101 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2022-12-06 17:20:45,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-06 17:20:45,102 INFO L458 BasicCegarLoop]: Path program histogram: [6] [2022-12-06 17:20:45,104 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-06 17:20:45,104 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-06 17:20:45,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 05:20:45 BasicIcfg [2022-12-06 17:20:45,112 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-06 17:20:45,113 INFO L158 Benchmark]: Toolchain (without parser) took 13974.98ms. Allocated memory was 205.5MB in the beginning and 576.7MB in the end (delta: 371.2MB). Free memory was 180.8MB in the beginning and 423.1MB in the end (delta: -242.3MB). Peak memory consumption was 130.2MB. Max. memory is 8.0GB. [2022-12-06 17:20:45,114 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 205.5MB. Free memory is still 181.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 17:20:45,116 INFO L158 Benchmark]: CACSL2BoogieTranslator took 191.76ms. Allocated memory is still 205.5MB. Free memory was 180.8MB in the beginning and 170.1MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-12-06 17:20:45,117 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.81ms. Allocated memory is still 205.5MB. Free memory was 170.1MB in the beginning and 168.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-06 17:20:45,120 INFO L158 Benchmark]: Boogie Preprocessor took 30.19ms. Allocated memory is still 205.5MB. Free memory was 168.5MB in the beginning and 166.9MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-12-06 17:20:45,120 INFO L158 Benchmark]: RCFGBuilder took 345.55ms. Allocated memory is still 205.5MB. Free memory was 166.9MB in the beginning and 153.8MB in the end (delta: 13.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-12-06 17:20:45,120 INFO L158 Benchmark]: TraceAbstraction took 13364.81ms. Allocated memory was 205.5MB in the beginning and 576.7MB in the end (delta: 371.2MB). Free memory was 153.3MB in the beginning and 423.1MB in the end (delta: -269.8MB). Peak memory consumption was 103.0MB. Max. memory is 8.0GB. [2022-12-06 17:20:45,121 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 205.5MB. Free memory is still 181.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 191.76ms. Allocated memory is still 205.5MB. Free memory was 180.8MB in the beginning and 170.1MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 36.81ms. Allocated memory is still 205.5MB. Free memory was 170.1MB in the beginning and 168.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 30.19ms. Allocated memory is still 205.5MB. Free memory was 168.5MB in the beginning and 166.9MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 345.55ms. Allocated memory is still 205.5MB. Free memory was 166.9MB in the beginning and 153.8MB in the end (delta: 13.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 13364.81ms. Allocated memory was 205.5MB in the beginning and 576.7MB in the end (delta: 371.2MB). Free memory was 153.3MB in the beginning and 423.1MB in the end (delta: -269.8MB). Peak memory consumption was 103.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 77]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 101 locations, 4 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: 13.3s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 5.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 318 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 318 mSDsluCounter, 686 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 518 mSDsCounter, 24 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1087 IncrementalHoareTripleChecker+Invalid, 1111 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24 mSolverCounterUnsat, 168 mSDtfsCounter, 1087 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 140 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 175 ImplicationChecksByTransitivity, 5.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1737occurred in iteration=6, InterpolantAutomatonStates: 78, 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: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 6.9s InterpolantComputationTime, 420 NumberOfCodeBlocks, 420 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 414 ConstructedInterpolants, 0 QuantifiedInterpolants, 8729 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-06 17:20:45,143 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...