./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_true.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-08-20_10-08-36.files/mutex-meet-local/13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_true.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da67795f 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/goblint-regression/13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_true.i ./goblint.2024-08-20_10-08-36.files/mutex-meet-local/13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_true.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.goblint-eval-da67795-m [2024-08-26 21:50:18,223 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-26 21:50:18,279 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-26 21:50:18,282 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-26 21:50:18,286 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-26 21:50:18,317 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-26 21:50:18,318 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-26 21:50:18,321 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-26 21:50:18,322 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-26 21:50:18,322 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-26 21:50:18,322 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-26 21:50:18,323 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-26 21:50:18,323 INFO L153 SettingsManager]: * Use SBE=true [2024-08-26 21:50:18,323 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-26 21:50:18,323 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-26 21:50:18,324 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-26 21:50:18,324 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-26 21:50:18,324 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-26 21:50:18,324 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-26 21:50:18,324 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-26 21:50:18,325 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-26 21:50:18,329 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-26 21:50:18,329 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-26 21:50:18,329 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-26 21:50:18,329 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-26 21:50:18,329 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-26 21:50:18,330 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-26 21:50:18,330 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-26 21:50:18,330 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-26 21:50:18,330 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-26 21:50:18,330 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-26 21:50:18,330 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-26 21:50:18,331 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-26 21:50:18,331 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-26 21:50:18,331 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-26 21:50:18,331 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-26 21:50:18,331 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-26 21:50:18,331 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-26 21:50:18,331 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-26 21:50:18,331 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-26 21:50:18,332 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-26 21:50:18,335 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-26 21:50:18,336 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-08-26 21:50:18,536 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-26 21:50:18,557 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-26 21:50:18,559 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-26 21:50:18,560 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-26 21:50:18,561 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-26 21:50:18,561 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-20_10-08-36.files/mutex-meet-local/13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_true.yml/witness.yml [2024-08-26 21:50:18,660 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-26 21:50:18,661 INFO L274 PluginConnector]: CDTParser initialized [2024-08-26 21:50:18,661 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_true.i [2024-08-26 21:50:19,965 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-26 21:50:20,158 INFO L384 CDTParser]: Found 1 translation units. [2024-08-26 21:50:20,161 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_true.i [2024-08-26 21:50:20,179 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/e045e3e5f/a08ca20e42d14846a718e84edb7e756f/FLAG1c367121d [2024-08-26 21:50:20,193 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/e045e3e5f/a08ca20e42d14846a718e84edb7e756f [2024-08-26 21:50:20,193 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-26 21:50:20,195 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-26 21:50:20,196 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-26 21:50:20,197 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-26 21:50:20,201 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-26 21:50:20,202 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 26.08 09:50:18" (1/2) ... [2024-08-26 21:50:20,203 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@178e9f63 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 09:50:20, skipping insertion in model container [2024-08-26 21:50:20,203 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 26.08 09:50:18" (1/2) ... [2024-08-26 21:50:20,204 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@16fcc1a5 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 09:50:20, skipping insertion in model container [2024-08-26 21:50:20,204 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 09:50:20" (2/2) ... [2024-08-26 21:50:20,205 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@178e9f63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:50:20, skipping insertion in model container [2024-08-26 21:50:20,205 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 09:50:20" (2/2) ... [2024-08-26 21:50:20,205 INFO L85 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-08-26 21:50:20,225 INFO L99 nessWitnessExtractor]: Found the following entries in the witness: [2024-08-26 21:50:20,225 INFO L1541 ArrayList]: Location invariant before [L687-L687] (g == 0 || g == 17) || g == 42 [2024-08-26 21:50:20,226 INFO L1541 ArrayList]: Location invariant before [L700-L700] g == 42 [2024-08-26 21:50:20,226 INFO L1541 ArrayList]: Location invariant before [L686-L686] (g == 0 || g == 17) || g == 42 [2024-08-26 21:50:20,226 INFO L1541 ArrayList]: Location invariant before [L697-L697] (g == 0 || g == 17) || g == 42 [2024-08-26 21:50:20,226 INFO L1541 ArrayList]: Location invariant before [L696-L696] (g == 0 || g == 17) || g == 42 [2024-08-26 21:50:20,258 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-26 21:50:20,491 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-26 21:50:20,503 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-08-26 21:50:20,564 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-26 21:50:20,596 INFO L206 MainTranslator]: Completed translation [2024-08-26 21:50:20,596 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:50:20 WrapperNode [2024-08-26 21:50:20,596 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-26 21:50:20,597 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-26 21:50:20,597 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-26 21:50:20,597 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-26 21:50:20,602 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:50:20" (1/1) ... [2024-08-26 21:50:20,619 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:50:20" (1/1) ... [2024-08-26 21:50:20,638 INFO L138 Inliner]: procedures = 162, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 65 [2024-08-26 21:50:20,639 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-26 21:50:20,640 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-26 21:50:20,640 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-26 21:50:20,640 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-26 21:50:20,646 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:50:20" (1/1) ... [2024-08-26 21:50:20,647 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:50:20" (1/1) ... [2024-08-26 21:50:20,650 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:50:20" (1/1) ... [2024-08-26 21:50:20,652 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:50:20" (1/1) ... [2024-08-26 21:50:20,656 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:50:20" (1/1) ... [2024-08-26 21:50:20,658 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:50:20" (1/1) ... [2024-08-26 21:50:20,661 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:50:20" (1/1) ... [2024-08-26 21:50:20,661 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:50:20" (1/1) ... [2024-08-26 21:50:20,663 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-26 21:50:20,664 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-26 21:50:20,665 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-26 21:50:20,665 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-26 21:50:20,665 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:50:20" (1/1) ... [2024-08-26 21:50:20,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-26 21:50:20,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-26 21:50:20,695 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) [2024-08-26 21:50:20,697 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 [2024-08-26 21:50:20,728 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-08-26 21:50:20,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-26 21:50:20,728 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-08-26 21:50:20,728 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-08-26 21:50:20,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-26 21:50:20,728 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-08-26 21:50:20,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-26 21:50:20,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-26 21:50:20,730 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-08-26 21:50:20,838 INFO L242 CfgBuilder]: Building ICFG [2024-08-26 21:50:20,839 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-26 21:50:21,007 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-08-26 21:50:21,007 INFO L291 CfgBuilder]: Performing block encoding [2024-08-26 21:50:21,092 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-26 21:50:21,092 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-26 21:50:21,093 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 09:50:21 BoogieIcfgContainer [2024-08-26 21:50:21,093 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-26 21:50:21,094 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-26 21:50:21,094 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-26 21:50:21,097 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-26 21:50:21,097 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 26.08 09:50:18" (1/4) ... [2024-08-26 21:50:21,098 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a4220f1 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 26.08 09:50:21, skipping insertion in model container [2024-08-26 21:50:21,098 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 09:50:20" (2/4) ... [2024-08-26 21:50:21,098 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a4220f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 09:50:21, skipping insertion in model container [2024-08-26 21:50:21,098 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:50:20" (3/4) ... [2024-08-26 21:50:21,099 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a4220f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 09:50:21, skipping insertion in model container [2024-08-26 21:50:21,099 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 09:50:21" (4/4) ... [2024-08-26 21:50:21,100 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_true.i [2024-08-26 21:50:21,114 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-26 21:50:21,114 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2024-08-26 21:50:21,114 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-26 21:50:21,139 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-08-26 21:50:21,174 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-26 21:50:21,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-26 21:50:21,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-26 21:50:21,176 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) [2024-08-26 21:50:21,178 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 [2024-08-26 21:50:21,208 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-26 21:50:21,217 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2024-08-26 21:50:21,222 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=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@29a5c714, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-26 21:50:21,222 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-08-26 21:50:21,283 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT, t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-26 21:50:21,287 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-26 21:50:21,288 INFO L85 PathProgramCache]: Analyzing trace with hash -1056157096, now seen corresponding path program 1 times [2024-08-26 21:50:21,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-26 21:50:21,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038029210] [2024-08-26 21:50:21,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 21:50:21,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-26 21:50:21,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 21:50:21,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-26 21:50:21,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-26 21:50:21,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038029210] [2024-08-26 21:50:21,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038029210] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-26 21:50:21,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-26 21:50:21,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-08-26 21:50:21,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141889057] [2024-08-26 21:50:21,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-26 21:50:21,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-26 21:50:21,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-26 21:50:21,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-26 21:50:21,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-26 21:50:21,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-26 21:50:21,524 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-26 21:50:21,525 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 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) [2024-08-26 21:50:21,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-26 21:50:21,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-26 21:50:21,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-26 21:50:21,626 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT, t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-26 21:50:21,627 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-26 21:50:21,627 INFO L85 PathProgramCache]: Analyzing trace with hash 1257287347, now seen corresponding path program 1 times [2024-08-26 21:50:21,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-26 21:50:21,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733126383] [2024-08-26 21:50:21,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 21:50:21,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-26 21:50:21,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 21:50:21,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-26 21:50:21,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-26 21:50:21,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733126383] [2024-08-26 21:50:21,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [733126383] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-26 21:50:21,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-26 21:50:21,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-08-26 21:50:21,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633682734] [2024-08-26 21:50:21,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-26 21:50:21,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-26 21:50:21,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-26 21:50:21,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-26 21:50:21,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-26 21:50:21,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-26 21:50:21,687 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-26 21:50:21,687 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2024-08-26 21:50:21,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-26 21:50:21,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-26 21:50:21,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-26 21:50:21,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-26 21:50:21,826 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 2 remaining) [2024-08-26 21:50:21,826 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 2 remaining) [2024-08-26 21:50:21,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-08-26 21:50:21,833 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-08-26 21:50:21,835 INFO L308 ceAbstractionStarter]: Result for error location t_funThread1of1ForFork0 was SAFE,SAFE (1/2) [2024-08-26 21:50:21,841 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-26 21:50:21,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-26 21:50:21,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-26 21:50:21,867 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-08-26 21:50:21,870 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2024-08-26 21:50:21,873 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-26 21:50:21,874 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-26 21:50:21,876 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=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@29a5c714, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-26 21:50:21,876 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-08-26 21:50:21,919 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-08-26 21:50:21,921 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-26 21:50:21,921 INFO L85 PathProgramCache]: Analyzing trace with hash -473055766, now seen corresponding path program 1 times [2024-08-26 21:50:21,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-26 21:50:21,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488697662] [2024-08-26 21:50:21,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 21:50:21,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-26 21:50:21,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 21:50:21,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-26 21:50:21,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-26 21:50:21,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488697662] [2024-08-26 21:50:21,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [488697662] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-26 21:50:21,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-26 21:50:21,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-08-26 21:50:21,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106177] [2024-08-26 21:50:21,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-26 21:50:21,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-26 21:50:21,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-26 21:50:21,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-26 21:50:21,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-26 21:50:21,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-26 21:50:21,971 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-26 21:50:21,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 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) [2024-08-26 21:50:21,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-26 21:50:22,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-26 21:50:22,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-08-26 21:50:22,012 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-08-26 21:50:22,012 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-26 21:50:22,013 INFO L85 PathProgramCache]: Analyzing trace with hash 676347983, now seen corresponding path program 1 times [2024-08-26 21:50:22,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-26 21:50:22,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318128072] [2024-08-26 21:50:22,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 21:50:22,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-26 21:50:22,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 21:50:22,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-26 21:50:22,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-26 21:50:22,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318128072] [2024-08-26 21:50:22,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318128072] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-26 21:50:22,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-26 21:50:22,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-08-26 21:50:22,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201786363] [2024-08-26 21:50:22,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-26 21:50:22,076 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-26 21:50:22,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-26 21:50:22,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-26 21:50:22,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-26 21:50:22,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-26 21:50:22,077 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-26 21:50:22,077 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2024-08-26 21:50:22,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-26 21:50:22,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-26 21:50:22,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-26 21:50:22,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-26 21:50:22,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-08-26 21:50:22,125 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-08-26 21:50:22,125 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-26 21:50:22,125 INFO L85 PathProgramCache]: Analyzing trace with hash -1956120180, now seen corresponding path program 1 times [2024-08-26 21:50:22,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-26 21:50:22,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470301097] [2024-08-26 21:50:22,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 21:50:22,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-26 21:50:22,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 21:50:22,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-26 21:50:22,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-26 21:50:22,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470301097] [2024-08-26 21:50:22,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470301097] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-26 21:50:22,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-26 21:50:22,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-08-26 21:50:22,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237433029] [2024-08-26 21:50:22,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-26 21:50:22,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-26 21:50:22,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-26 21:50:22,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-26 21:50:22,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-26 21:50:22,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-26 21:50:22,201 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-26 21:50:22,201 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 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) [2024-08-26 21:50:22,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-26 21:50:22,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-26 21:50:22,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-26 21:50:22,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-26 21:50:22,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-26 21:50:22,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-26 21:50:22,298 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-08-26 21:50:22,298 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-08-26 21:50:22,298 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-26 21:50:22,299 INFO L85 PathProgramCache]: Analyzing trace with hash 112711076, now seen corresponding path program 2 times [2024-08-26 21:50:22,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-26 21:50:22,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14864096] [2024-08-26 21:50:22,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 21:50:22,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-26 21:50:22,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 21:50:22,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-26 21:50:22,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-26 21:50:22,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14864096] [2024-08-26 21:50:22,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14864096] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-26 21:50:22,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-26 21:50:22,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-26 21:50:22,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494643175] [2024-08-26 21:50:22,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-26 21:50:22,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-26 21:50:22,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-26 21:50:22,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-26 21:50:22,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-26 21:50:22,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-26 21:50:22,362 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-26 21:50:22,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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) [2024-08-26 21:50:22,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-26 21:50:22,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-26 21:50:22,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-26 21:50:22,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-26 21:50:22,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-26 21:50:22,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-26 21:50:22,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-26 21:50:22,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-26 21:50:22,421 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-08-26 21:50:22,421 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-08-26 21:50:22,421 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-26 21:50:22,421 INFO L85 PathProgramCache]: Analyzing trace with hash -133378348, now seen corresponding path program 3 times [2024-08-26 21:50:22,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-26 21:50:22,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76340352] [2024-08-26 21:50:22,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 21:50:22,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-26 21:50:22,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 21:50:22,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-26 21:50:22,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-26 21:50:22,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76340352] [2024-08-26 21:50:22,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76340352] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-26 21:50:22,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-26 21:50:22,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-26 21:50:22,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426406784] [2024-08-26 21:50:22,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-26 21:50:22,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-26 21:50:22,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-26 21:50:22,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-26 21:50:22,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-08-26 21:50:22,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-26 21:50:22,508 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-26 21:50:22,508 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 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) [2024-08-26 21:50:22,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-26 21:50:22,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-26 21:50:22,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-26 21:50:22,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-26 21:50:22,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-26 21:50:22,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-26 21:50:22,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-26 21:50:22,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-26 21:50:22,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-26 21:50:22,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-26 21:50:22,564 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-08-26 21:50:22,564 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-08-26 21:50:22,565 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-26 21:50:22,565 INFO L85 PathProgramCache]: Analyzing trace with hash 131113378, now seen corresponding path program 4 times [2024-08-26 21:50:22,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-26 21:50:22,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169045494] [2024-08-26 21:50:22,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 21:50:22,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-26 21:50:22,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 21:50:22,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-26 21:50:22,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-26 21:50:22,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169045494] [2024-08-26 21:50:22,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169045494] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-26 21:50:22,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-26 21:50:22,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-26 21:50:22,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342464928] [2024-08-26 21:50:22,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-26 21:50:22,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-26 21:50:22,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-26 21:50:22,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-26 21:50:22,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-08-26 21:50:22,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-26 21:50:22,671 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-26 21:50:22,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 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) [2024-08-26 21:50:22,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-26 21:50:22,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-26 21:50:22,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-26 21:50:22,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-26 21:50:22,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-26 21:50:22,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-26 21:50:22,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-26 21:50:22,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-26 21:50:22,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-26 21:50:22,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-26 21:50:22,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-26 21:50:22,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-26 21:50:22,713 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 4 remaining) [2024-08-26 21:50:22,713 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 4 remaining) [2024-08-26 21:50:22,713 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 4 remaining) [2024-08-26 21:50:22,714 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-08-26 21:50:22,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-08-26 21:50:22,715 INFO L445 BasicCegarLoop]: Path program histogram: [4, 1, 1] [2024-08-26 21:50:22,715 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE,SAFE (2/2) [2024-08-26 21:50:22,716 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-08-26 21:50:22,716 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-08-26 21:50:22,718 INFO L507 ceAbstractionStarter]: Automizer considered 5 witness invariants [2024-08-26 21:50:22,718 INFO L508 ceAbstractionStarter]: WitnessConsidered=5 [2024-08-26 21:50:22,718 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 09:50:22 BasicIcfg [2024-08-26 21:50:22,719 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-26 21:50:22,719 INFO L158 Benchmark]: Toolchain (without parser) took 2524.29ms. Allocated memory is still 192.9MB. Free memory was 119.2MB in the beginning and 145.0MB in the end (delta: -25.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-26 21:50:22,719 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 119.5MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-26 21:50:22,719 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 192.9MB. Free memory is still 167.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-26 21:50:22,720 INFO L158 Benchmark]: CACSL2BoogieTranslator took 400.13ms. Allocated memory is still 192.9MB. Free memory was 118.9MB in the beginning and 95.7MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-08-26 21:50:22,720 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.87ms. Allocated memory is still 192.9MB. Free memory was 95.5MB in the beginning and 93.7MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-26 21:50:22,720 INFO L158 Benchmark]: Boogie Preprocessor took 23.92ms. Allocated memory is still 192.9MB. Free memory was 93.7MB in the beginning and 92.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-26 21:50:22,720 INFO L158 Benchmark]: RCFGBuilder took 428.58ms. Allocated memory is still 192.9MB. Free memory was 92.1MB in the beginning and 141.4MB in the end (delta: -49.2MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2024-08-26 21:50:22,720 INFO L158 Benchmark]: TraceAbstraction took 1624.28ms. Allocated memory is still 192.9MB. Free memory was 140.4MB in the beginning and 145.0MB in the end (delta: -4.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-26 21:50:22,721 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 0.15ms. Allocated memory is still 119.5MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.09ms. Allocated memory is still 192.9MB. Free memory is still 167.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 400.13ms. Allocated memory is still 192.9MB. Free memory was 118.9MB in the beginning and 95.7MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.87ms. Allocated memory is still 192.9MB. Free memory was 95.5MB in the beginning and 93.7MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.92ms. Allocated memory is still 192.9MB. Free memory was 93.7MB in the beginning and 92.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 428.58ms. Allocated memory is still 192.9MB. Free memory was 92.1MB in the beginning and 141.4MB in the end (delta: -49.2MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1624.28ms. Allocated memory is still 192.9MB. Free memory was 140.4MB in the beginning and 145.0MB in the end (delta: -4.6MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 550, independent: 501, independent conditional: 125, independent unconditional: 376, dependent: 49, dependent conditional: 27, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 530, independent: 501, independent conditional: 125, independent unconditional: 376, dependent: 29, dependent conditional: 7, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 530, independent: 501, independent conditional: 125, independent unconditional: 376, dependent: 29, dependent conditional: 7, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 540, independent: 501, independent conditional: 3, independent unconditional: 498, dependent: 39, dependent conditional: 7, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 540, independent: 501, independent conditional: 3, independent unconditional: 498, dependent: 39, dependent conditional: 0, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 540, independent: 501, independent conditional: 3, independent unconditional: 498, dependent: 39, dependent conditional: 0, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 400, independent: 378, independent conditional: 2, independent unconditional: 376, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 400, independent: 357, independent conditional: 0, independent unconditional: 357, dependent: 43, dependent conditional: 0, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 43, independent: 21, independent conditional: 2, independent unconditional: 19, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 43, independent: 21, independent conditional: 2, independent unconditional: 19, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 128, independent: 70, independent conditional: 4, independent unconditional: 66, dependent: 58, dependent conditional: 0, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 540, independent: 123, independent conditional: 1, independent unconditional: 122, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 400, unknown conditional: 2, unknown unconditional: 398] , Statistics on independence cache: Total cache size (in pairs): 400, Positive cache size: 378, Positive conditional cache size: 2, Positive unconditional cache size: 376, Negative cache size: 22, Negative conditional cache size: 0, Negative unconditional cache size: 22, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 7, Maximal queried relation: 1, Independence queries for same thread: 20 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 71, Number of trivial persistent sets: 52, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 398, independent: 376, independent conditional: 0, independent unconditional: 376, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 550, independent: 501, independent conditional: 125, independent unconditional: 376, dependent: 49, dependent conditional: 27, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 530, independent: 501, independent conditional: 125, independent unconditional: 376, dependent: 29, dependent conditional: 7, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 530, independent: 501, independent conditional: 125, independent unconditional: 376, dependent: 29, dependent conditional: 7, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 540, independent: 501, independent conditional: 3, independent unconditional: 498, dependent: 39, dependent conditional: 7, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 540, independent: 501, independent conditional: 3, independent unconditional: 498, dependent: 39, dependent conditional: 0, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 540, independent: 501, independent conditional: 3, independent unconditional: 498, dependent: 39, dependent conditional: 0, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 400, independent: 378, independent conditional: 2, independent unconditional: 376, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 400, independent: 357, independent conditional: 0, independent unconditional: 357, dependent: 43, dependent conditional: 0, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 43, independent: 21, independent conditional: 2, independent unconditional: 19, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 43, independent: 21, independent conditional: 2, independent unconditional: 19, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 128, independent: 70, independent conditional: 4, independent unconditional: 66, dependent: 58, dependent conditional: 0, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 540, independent: 123, independent conditional: 1, independent unconditional: 122, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 400, unknown conditional: 2, unknown unconditional: 398] , Statistics on independence cache: Total cache size (in pairs): 400, Positive cache size: 378, Positive conditional cache size: 2, Positive unconditional cache size: 376, Negative cache size: 22, Negative conditional cache size: 0, Negative unconditional cache size: 22, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 7, Maximal queried relation: 1, Independence queries for same thread: 20 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 878, independent: 764, independent conditional: 302, independent unconditional: 462, dependent: 114, dependent conditional: 84, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 807, independent: 764, independent conditional: 302, independent unconditional: 462, dependent: 43, dependent conditional: 13, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 807, independent: 764, independent conditional: 302, independent unconditional: 462, dependent: 43, dependent conditional: 13, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 829, independent: 764, independent conditional: 2, independent unconditional: 762, dependent: 65, dependent conditional: 20, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 829, independent: 764, independent conditional: 2, independent unconditional: 762, dependent: 65, dependent conditional: 7, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 829, independent: 764, independent conditional: 2, independent unconditional: 762, dependent: 65, dependent conditional: 7, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 501, independent: 466, independent conditional: 2, independent unconditional: 464, dependent: 35, dependent conditional: 5, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 501, independent: 437, independent conditional: 0, independent unconditional: 437, dependent: 64, dependent conditional: 0, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 64, independent: 29, independent conditional: 2, independent unconditional: 27, dependent: 35, dependent conditional: 5, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 64, independent: 29, independent conditional: 2, independent unconditional: 27, dependent: 35, dependent conditional: 5, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 111, independent: 69, independent conditional: 4, independent unconditional: 65, dependent: 43, dependent conditional: 8, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 829, independent: 298, independent conditional: 0, independent unconditional: 298, dependent: 30, dependent conditional: 2, dependent unconditional: 28, unknown: 501, unknown conditional: 7, unknown unconditional: 494] , Statistics on independence cache: Total cache size (in pairs): 501, Positive cache size: 466, Positive conditional cache size: 2, Positive unconditional cache size: 464, Negative cache size: 35, Negative conditional cache size: 5, Negative unconditional cache size: 30, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 13, Maximal queried relation: 4, Independence queries for same thread: 71 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 138, Number of trivial persistent sets: 138, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 492, independent: 462, independent conditional: 0, independent unconditional: 462, dependent: 30, dependent conditional: 0, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 878, independent: 764, independent conditional: 302, independent unconditional: 462, dependent: 114, dependent conditional: 84, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 807, independent: 764, independent conditional: 302, independent unconditional: 462, dependent: 43, dependent conditional: 13, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 807, independent: 764, independent conditional: 302, independent unconditional: 462, dependent: 43, dependent conditional: 13, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 829, independent: 764, independent conditional: 2, independent unconditional: 762, dependent: 65, dependent conditional: 20, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 829, independent: 764, independent conditional: 2, independent unconditional: 762, dependent: 65, dependent conditional: 7, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 829, independent: 764, independent conditional: 2, independent unconditional: 762, dependent: 65, dependent conditional: 7, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 501, independent: 466, independent conditional: 2, independent unconditional: 464, dependent: 35, dependent conditional: 5, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 501, independent: 437, independent conditional: 0, independent unconditional: 437, dependent: 64, dependent conditional: 0, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 64, independent: 29, independent conditional: 2, independent unconditional: 27, dependent: 35, dependent conditional: 5, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 64, independent: 29, independent conditional: 2, independent unconditional: 27, dependent: 35, dependent conditional: 5, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 111, independent: 69, independent conditional: 4, independent unconditional: 65, dependent: 43, dependent conditional: 8, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 829, independent: 298, independent conditional: 0, independent unconditional: 298, dependent: 30, dependent conditional: 2, dependent unconditional: 28, unknown: 501, unknown conditional: 7, unknown unconditional: 494] , Statistics on independence cache: Total cache size (in pairs): 501, Positive cache size: 466, Positive conditional cache size: 2, Positive unconditional cache size: 464, Negative cache size: 35, Negative conditional cache size: 5, Negative unconditional cache size: 30, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 13, Maximal queried relation: 4, Independence queries for same thread: 71 - PositiveResult [Line: 686]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 687]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 696]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 697]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 700]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: t_funThread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 55 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.3s, 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: 6, 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, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 40 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 55 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.4s, 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: 20, 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, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 136 NumberOfCodeBlocks, 136 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 130 ConstructedInterpolants, 0 QuantifiedInterpolants, 394 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 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-08-26 21:50:22,743 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Forceful destruction successful, exit code 0 [2024-08-26 21:50:22,943 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-08-26 21:50:23,149 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