./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/chl-match-trans.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-09-02_08-21-23.files/protection-ghost/chl-match-trans.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a4c57e3 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/weaver/chl-match-trans.wvr.c ./goblint.2024-09-02_08-21-23.files/protection-ghost/chl-match-trans.wvr.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.witness-ghost-4a4c57e-m [2024-09-08 12:02:50,707 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-08 12:02:50,793 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-08 12:02:50,798 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-08 12:02:50,799 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-08 12:02:50,819 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-08 12:02:50,820 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-08 12:02:50,820 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-08 12:02:50,821 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-08 12:02:50,821 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-08 12:02:50,821 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-08 12:02:50,822 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-08 12:02:50,822 INFO L153 SettingsManager]: * Use SBE=true [2024-09-08 12:02:50,823 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-08 12:02:50,823 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-08 12:02:50,823 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-08 12:02:50,824 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-08 12:02:50,824 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-08 12:02:50,825 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-08 12:02:50,825 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-08 12:02:50,825 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-08 12:02:50,826 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-08 12:02:50,829 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-08 12:02:50,830 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-08 12:02:50,830 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-08 12:02:50,830 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-08 12:02:50,830 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-08 12:02:50,831 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-08 12:02:50,831 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-08 12:02:50,831 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-08 12:02:50,831 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-08 12:02:50,832 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-08 12:02:50,832 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-08 12:02:50,833 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-08 12:02:50,836 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-08 12:02:50,836 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-08 12:02:50,837 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-08 12:02:50,837 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-08 12:02:50,837 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-08 12:02:50,837 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-08 12:02:50,838 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-08 12:02:50,838 INFO L153 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/UGemCutter-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-09-08 12:02:51,078 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-08 12:02:51,104 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-08 12:02:51,107 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-08 12:02:51,108 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-08 12:02:51,109 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-08 12:02:51,110 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/protection-ghost/chl-match-trans.wvr.yml/witness.yml [2024-09-08 12:02:51,181 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-08 12:02:51,181 INFO L274 PluginConnector]: CDTParser initialized [2024-09-08 12:02:51,181 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/chl-match-trans.wvr.c [2024-09-08 12:02:52,650 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-08 12:02:52,857 INFO L384 CDTParser]: Found 1 translation units. [2024-09-08 12:02:52,857 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-match-trans.wvr.c [2024-09-08 12:02:52,871 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/99a3058cc/ac760b5204094c6f8804bd1f1a565204/FLAG079a71043 [2024-09-08 12:02:52,884 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/99a3058cc/ac760b5204094c6f8804bd1f1a565204 [2024-09-08 12:02:52,885 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-08 12:02:52,886 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-08 12:02:52,887 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-08 12:02:52,888 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-08 12:02:52,893 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-08 12:02:52,893 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 12:02:51" (1/2) ... [2024-09-08 12:02:52,894 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70413a3c and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 12:02:52, skipping insertion in model container [2024-09-08 12:02:52,895 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 12:02:51" (1/2) ... [2024-09-08 12:02:52,896 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@574e958d and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 12:02:52, skipping insertion in model container [2024-09-08 12:02:52,896 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 12:02:52" (2/2) ... [2024-09-08 12:02:52,896 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70413a3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:02:52, skipping insertion in model container [2024-09-08 12:02:52,897 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 12:02:52" (2/2) ... [2024-09-08 12:02:52,915 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-08 12:02:52,915 INFO L1541 ArrayList]: Location invariant before [L82-L82] ((! multithreaded || ((result_9 == -1 || result_9 == 0) || result_9 == 1)) && (! multithreaded || ((result_11 == -1 || result_11 == 0) || result_11 == 1))) && (! multithreaded || ((result_10 == -1 || result_10 == 0) || result_10 == 1)) [2024-09-08 12:02:52,916 INFO L1541 ArrayList]: Location invariant before [L81-L81] ((! multithreaded || ((result_9 == -1 || result_9 == 0) || result_9 == 1)) && (! multithreaded || ((result_11 == -1 || result_11 == 0) || result_11 == 1))) && (! multithreaded || ((result_10 == -1 || result_10 == 0) || result_10 == 1)) [2024-09-08 12:02:52,916 INFO L1541 ArrayList]: Location invariant before [L83-L83] ((! multithreaded || ((result_9 == -1 || result_9 == 0) || result_9 == 1)) && (! multithreaded || ((result_11 == -1 || result_11 == 0) || result_11 == 1))) && (! multithreaded || ((result_10 == -1 || result_10 == 0) || result_10 == 1)) [2024-09-08 12:02:52,916 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-09-08 12:02:52,916 INFO L1541 ArrayList]: ghost_update [L80-L80] multithreaded = 1; [2024-09-08 12:02:52,935 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-08 12:02:53,105 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-match-trans.wvr.c[2993,3006] [2024-09-08 12:02:53,118 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 12:02:53,128 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-08 12:02:53,182 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-match-trans.wvr.c[2993,3006] [2024-09-08 12:02:53,184 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 12:02:53,202 INFO L204 MainTranslator]: Completed translation [2024-09-08 12:02:53,203 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:02:53 WrapperNode [2024-09-08 12:02:53,203 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-08 12:02:53,204 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-08 12:02:53,204 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-08 12:02:53,204 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-08 12:02:53,211 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:02:53" (1/1) ... [2024-09-08 12:02:53,225 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:02:53" (1/1) ... [2024-09-08 12:02:53,270 INFO L138 Inliner]: procedures = 22, calls = 18, calls flagged for inlining = 11, calls inlined = 21, statements flattened = 204 [2024-09-08 12:02:53,273 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-08 12:02:53,274 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-08 12:02:53,274 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-08 12:02:53,274 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-08 12:02:53,284 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:02:53" (1/1) ... [2024-09-08 12:02:53,285 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:02:53" (1/1) ... [2024-09-08 12:02:53,290 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:02:53" (1/1) ... [2024-09-08 12:02:53,294 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:02:53" (1/1) ... [2024-09-08 12:02:53,307 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:02:53" (1/1) ... [2024-09-08 12:02:53,314 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:02:53" (1/1) ... [2024-09-08 12:02:53,316 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:02:53" (1/1) ... [2024-09-08 12:02:53,317 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:02:53" (1/1) ... [2024-09-08 12:02:53,323 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-08 12:02:53,324 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-08 12:02:53,324 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-08 12:02:53,324 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-08 12:02:53,325 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:02:53" (1/1) ... [2024-09-08 12:02:53,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-08 12:02:53,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 12:02:53,360 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-09-08 12:02:53,364 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-09-08 12:02:53,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-08 12:02:53,430 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-09-08 12:02:53,430 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-09-08 12:02:53,430 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-09-08 12:02:53,431 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-09-08 12:02:53,431 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-09-08 12:02:53,431 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-09-08 12:02:53,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-08 12:02:53,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-08 12:02:53,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-08 12:02:53,433 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-09-08 12:02:53,569 INFO L242 CfgBuilder]: Building ICFG [2024-09-08 12:02:53,571 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-08 12:02:53,957 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-08 12:02:53,957 INFO L291 CfgBuilder]: Performing block encoding [2024-09-08 12:02:54,362 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-08 12:02:54,363 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-08 12:02:54,363 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 12:02:54 BoogieIcfgContainer [2024-09-08 12:02:54,363 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-08 12:02:54,365 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-08 12:02:54,365 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-08 12:02:54,370 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-08 12:02:54,370 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 12:02:51" (1/4) ... [2024-09-08 12:02:54,371 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@457f7bac and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 08.09 12:02:54, skipping insertion in model container [2024-09-08 12:02:54,372 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 12:02:52" (2/4) ... [2024-09-08 12:02:54,372 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@457f7bac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 12:02:54, skipping insertion in model container [2024-09-08 12:02:54,372 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:02:53" (3/4) ... [2024-09-08 12:02:54,373 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@457f7bac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 12:02:54, skipping insertion in model container [2024-09-08 12:02:54,373 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 12:02:54" (4/4) ... [2024-09-08 12:02:54,374 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-match-trans.wvr.c [2024-09-08 12:02:54,393 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-08 12:02:54,393 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-09-08 12:02:54,393 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-08 12:02:54,450 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-09-08 12:02:54,500 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 12:02:54,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-08 12:02:54,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 12:02:54,503 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-09-08 12:02:54,505 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-09-08 12:02:54,540 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-08 12:02:54,552 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-08 12:02:54,559 INFO L336 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, 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;@6b833daa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 12:02:54,559 INFO L337 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-09-08 12:02:54,666 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 12:02:54,672 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 12:02:54,673 INFO L85 PathProgramCache]: Analyzing trace with hash -1903309066, now seen corresponding path program 1 times [2024-09-08 12:02:54,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 12:02:54,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502455964] [2024-09-08 12:02:54,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 12:02:54,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 12:02:54,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 12:02:55,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 12:02:55,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 12:02:55,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502455964] [2024-09-08 12:02:55,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502455964] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 12:02:55,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 12:02:55,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-08 12:02:55,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230403595] [2024-09-08 12:02:55,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 12:02:55,207 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-08 12:02:55,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 12:02:55,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-08 12:02:55,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-09-08 12:02:55,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:02:55,238 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 12:02:55,239 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2024-09-08 12:02:55,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:02:55,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:02:55,302 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-08 12:02:55,302 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 12:02:55,302 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 12:02:55,303 INFO L85 PathProgramCache]: Analyzing trace with hash -785719817, now seen corresponding path program 1 times [2024-09-08 12:02:55,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 12:02:55,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824506664] [2024-09-08 12:02:55,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 12:02:55,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 12:02:55,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 12:02:55,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 12:02:55,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 12:02:55,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824506664] [2024-09-08 12:02:55,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824506664] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 12:02:55,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 12:02:55,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-08 12:02:55,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142638412] [2024-09-08 12:02:55,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 12:02:55,684 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-08 12:02:55,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 12:02:55,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-08 12:02:55,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-09-08 12:02:55,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:02:55,686 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 12:02:55,687 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 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) [2024-09-08 12:02:55,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:02:55,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:02:55,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:02:55,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:02:55,784 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-09-08 12:02:55,785 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 12:02:55,785 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 12:02:55,785 INFO L85 PathProgramCache]: Analyzing trace with hash 1126429410, now seen corresponding path program 1 times [2024-09-08 12:02:55,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 12:02:55,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795609709] [2024-09-08 12:02:55,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 12:02:55,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 12:02:55,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 12:02:56,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 12:02:56,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 12:02:56,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795609709] [2024-09-08 12:02:56,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795609709] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 12:02:56,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 12:02:56,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-08 12:02:56,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270063921] [2024-09-08 12:02:56,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 12:02:56,249 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-08 12:02:56,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 12:02:56,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-08 12:02:56,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-09-08 12:02:56,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:02:56,250 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 12:02:56,253 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 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) [2024-09-08 12:02:56,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:02:56,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:02:56,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:02:56,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:02:56,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:02:56,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 12:02:56,350 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-09-08 12:02:56,351 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 12:02:56,351 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 12:02:56,351 INFO L85 PathProgramCache]: Analyzing trace with hash -681288494, now seen corresponding path program 1 times [2024-09-08 12:02:56,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 12:02:56,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446933822] [2024-09-08 12:02:56,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 12:02:56,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 12:02:56,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 12:02:56,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 12:02:56,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 12:02:56,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446933822] [2024-09-08 12:02:56,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446933822] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 12:02:56,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 12:02:56,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-08 12:02:56,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46897296] [2024-09-08 12:02:56,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 12:02:56,852 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-08 12:02:56,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 12:02:56,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-08 12:02:56,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-09-08 12:02:56,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:02:56,854 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 12:02:56,854 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 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) [2024-09-08 12:02:56,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:02:56,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:02:56,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 12:02:56,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:02:57,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:02:57,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:02:57,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 12:02:57,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:02:57,311 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 7 remaining) [2024-09-08 12:02:57,311 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 7 remaining) [2024-09-08 12:02:57,312 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 7 remaining) [2024-09-08 12:02:57,312 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (3 of 7 remaining) [2024-09-08 12:02:57,312 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 7 remaining) [2024-09-08 12:02:57,312 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 7 remaining) [2024-09-08 12:02:57,312 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 7 remaining) [2024-09-08 12:02:57,313 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-09-08 12:02:57,318 INFO L408 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-09-08 12:02:57,321 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-09-08 12:02:57,321 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-08 12:02:57,323 INFO L469 ceAbstractionStarter]: Automizer considered 3 witness invariants [2024-09-08 12:02:57,323 INFO L470 ceAbstractionStarter]: WitnessConsidered=3 [2024-09-08 12:02:57,323 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 12:02:57 BasicIcfg [2024-09-08 12:02:57,324 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-08 12:02:57,324 INFO L158 Benchmark]: Toolchain (without parser) took 4437.98ms. Allocated memory was 130.0MB in the beginning and 247.5MB in the end (delta: 117.4MB). Free memory was 73.1MB in the beginning and 179.7MB in the end (delta: -106.6MB). Peak memory consumption was 119.6MB. Max. memory is 16.1GB. [2024-09-08 12:02:57,324 INFO L158 Benchmark]: Witness Parser took 0.20ms. Allocated memory is still 130.0MB. Free memory is still 92.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-08 12:02:57,325 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 130.0MB. Free memory is still 90.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-08 12:02:57,325 INFO L158 Benchmark]: CACSL2BoogieTranslator took 315.92ms. Allocated memory is still 130.0MB. Free memory was 73.1MB in the beginning and 57.8MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-08 12:02:57,325 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.15ms. Allocated memory is still 130.0MB. Free memory was 57.8MB in the beginning and 55.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-08 12:02:57,326 INFO L158 Benchmark]: Boogie Preprocessor took 49.77ms. Allocated memory is still 130.0MB. Free memory was 55.3MB in the beginning and 53.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-08 12:02:57,326 INFO L158 Benchmark]: RCFGBuilder took 1038.94ms. Allocated memory was 130.0MB in the beginning and 180.4MB in the end (delta: 50.3MB). Free memory was 53.6MB in the beginning and 138.0MB in the end (delta: -84.4MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. [2024-09-08 12:02:57,327 INFO L158 Benchmark]: TraceAbstraction took 2958.80ms. Allocated memory was 180.4MB in the beginning and 247.5MB in the end (delta: 67.1MB). Free memory was 138.0MB in the beginning and 179.7MB in the end (delta: -41.7MB). Peak memory consumption was 133.4MB. Max. memory is 16.1GB. [2024-09-08 12:02:57,328 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.20ms. Allocated memory is still 130.0MB. Free memory is still 92.6MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.11ms. Allocated memory is still 130.0MB. Free memory is still 90.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 315.92ms. Allocated memory is still 130.0MB. Free memory was 73.1MB in the beginning and 57.8MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.15ms. Allocated memory is still 130.0MB. Free memory was 57.8MB in the beginning and 55.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.77ms. Allocated memory is still 130.0MB. Free memory was 55.3MB in the beginning and 53.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1038.94ms. Allocated memory was 130.0MB in the beginning and 180.4MB in the end (delta: 50.3MB). Free memory was 53.6MB in the beginning and 138.0MB in the end (delta: -84.4MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2958.80ms. Allocated memory was 180.4MB in the beginning and 247.5MB in the end (delta: 67.1MB). Free memory was 138.0MB in the beginning and 179.7MB in the end (delta: -41.7MB). Peak memory consumption was 133.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 290, independent: 244, independent conditional: 63, independent unconditional: 181, dependent: 46, dependent conditional: 23, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 267, independent: 244, independent conditional: 63, independent unconditional: 181, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 267, independent: 244, independent conditional: 63, independent unconditional: 181, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 267, independent: 244, independent conditional: 63, independent unconditional: 181, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 267, independent: 244, independent conditional: 0, independent unconditional: 244, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 267, independent: 244, independent conditional: 0, independent unconditional: 244, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 210, independent: 187, independent conditional: 0, independent unconditional: 187, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 210, independent: 170, independent conditional: 0, independent unconditional: 170, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 40, independent: 17, independent conditional: 0, independent unconditional: 17, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 40, independent: 17, independent conditional: 0, independent unconditional: 17, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 251, independent: 77, independent conditional: 0, independent unconditional: 77, dependent: 174, dependent conditional: 0, dependent unconditional: 174, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 267, independent: 57, independent conditional: 0, independent unconditional: 57, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 210, unknown conditional: 0, unknown unconditional: 210] , Statistics on independence cache: Total cache size (in pairs): 210, Positive cache size: 187, Positive conditional cache size: 0, Positive unconditional cache size: 187, Negative cache size: 23, Negative conditional cache size: 0, Negative unconditional cache size: 23, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 63, Maximal queried relation: 0, Independence queries for same thread: 23, Persistent sets #1 benchmarks: Persistent set computation time: 0.3s, Number of persistent set computation: 59, Number of trivial persistent sets: 51, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 204, independent: 181, independent conditional: 0, independent unconditional: 181, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 290, independent: 244, independent conditional: 63, independent unconditional: 181, dependent: 46, dependent conditional: 23, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 267, independent: 244, independent conditional: 63, independent unconditional: 181, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 267, independent: 244, independent conditional: 63, independent unconditional: 181, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 267, independent: 244, independent conditional: 63, independent unconditional: 181, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 267, independent: 244, independent conditional: 0, independent unconditional: 244, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 267, independent: 244, independent conditional: 0, independent unconditional: 244, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 210, independent: 187, independent conditional: 0, independent unconditional: 187, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 210, independent: 170, independent conditional: 0, independent unconditional: 170, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 40, independent: 17, independent conditional: 0, independent unconditional: 17, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 40, independent: 17, independent conditional: 0, independent unconditional: 17, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 251, independent: 77, independent conditional: 0, independent unconditional: 77, dependent: 174, dependent conditional: 0, dependent unconditional: 174, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 267, independent: 57, independent conditional: 0, independent unconditional: 57, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 210, unknown conditional: 0, unknown unconditional: 210] , Statistics on independence cache: Total cache size (in pairs): 210, Positive cache size: 187, Positive conditional cache size: 0, Positive unconditional cache size: 187, Negative cache size: 23, Negative conditional cache size: 0, Negative unconditional cache size: 23, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 63, Maximal queried relation: 0, Independence queries for same thread: 23 - PositiveResult [Line: 81]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 82]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 83]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 88]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 38 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 2.8s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.8s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 18, 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, 0.1s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 54 NumberOfCodeBlocks, 54 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 50 ConstructedInterpolants, 0 QuantifiedInterpolants, 640 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-09-08 12:02:57,363 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-09-08 12:02:57,561 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE