./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/safe027_pso.oepc_pso.opt_tso.oepc_tso.opt.i --full-output --validate ./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/safe027_pso.oepc_pso.opt_tso.oepc_tso.opt.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7bc0c755 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/pthread-wmm/safe027_pso.oepc_pso.opt_tso.oepc_tso.opt.i ./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/safe027_pso.oepc_pso.opt_tso.oepc_tso.opt.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 --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.goblint-validation-atomicfix-7bc0c75-m [2024-08-22 19:33:26,217 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-22 19:33:26,280 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-22 19:33:26,285 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-22 19:33:26,286 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-22 19:33:26,305 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-22 19:33:26,305 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-22 19:33:26,306 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-22 19:33:26,306 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-22 19:33:26,307 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-22 19:33:26,307 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-22 19:33:26,308 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-22 19:33:26,308 INFO L153 SettingsManager]: * Use SBE=true [2024-08-22 19:33:26,308 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-22 19:33:26,309 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-22 19:33:26,309 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-22 19:33:26,309 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-22 19:33:26,310 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-22 19:33:26,310 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-22 19:33:26,310 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-22 19:33:26,311 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-22 19:33:26,312 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-22 19:33:26,312 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-22 19:33:26,312 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-22 19:33:26,312 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-22 19:33:26,313 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-22 19:33:26,313 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-22 19:33:26,313 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-22 19:33:26,313 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-22 19:33:26,314 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-22 19:33:26,314 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-22 19:33:26,314 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-22 19:33:26,314 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-22 19:33:26,315 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-22 19:33:26,315 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-22 19:33:26,315 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-22 19:33:26,315 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-22 19:33:26,316 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-22 19:33:26,316 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-22 19:33:26,316 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-22 19:33:26,317 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-22 19:33:26,317 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-22 19:33:26,318 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false [2024-08-22 19:33:26,589 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-22 19:33:26,616 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-22 19:33:26,620 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-22 19:33:26,621 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-22 19:33:26,621 INFO L274 PluginConnector]: CDTParser initialized [2024-08-22 19:33:26,622 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/safe027_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-08-22 19:33:27,992 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-22 19:33:28,273 INFO L384 CDTParser]: Found 1 translation units. [2024-08-22 19:33:28,274 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe027_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-08-22 19:33:28,290 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/385ae0c81/416fca8cd23c4e9999d90917b9d96ce7/FLAGa1b9e0f6f [2024-08-22 19:33:28,596 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/385ae0c81/416fca8cd23c4e9999d90917b9d96ce7 [2024-08-22 19:33:28,598 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-22 19:33:28,599 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-22 19:33:28,599 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/safe027_pso.oepc_pso.opt_tso.oepc_tso.opt.yml/witness.yml [2024-08-22 19:33:28,756 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-22 19:33:28,758 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-22 19:33:28,760 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-22 19:33:28,760 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-22 19:33:28,765 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-22 19:33:28,766 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 07:33:28" (1/2) ... [2024-08-22 19:33:28,769 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38be0b1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:33:28, skipping insertion in model container [2024-08-22 19:33:28,769 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 07:33:28" (1/2) ... [2024-08-22 19:33:28,771 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@642d1c44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:33:28, skipping insertion in model container [2024-08-22 19:33:28,771 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.08 07:33:28" (2/2) ... [2024-08-22 19:33:28,771 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38be0b1c and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.08 07:33:28, skipping insertion in model container [2024-08-22 19:33:28,772 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.08 07:33:28" (2/2) ... [2024-08-22 19:33:28,772 INFO L81 nessWitnessExtractor]: Only extracting loop invariants from correctness witness [2024-08-22 19:33:28,791 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-22 19:33:28,792 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-08-22 19:33:28,793 INFO L106 edCorrectnessWitness]: ghost_update [L791-L791] multithreaded = 1; [2024-08-22 19:33:28,834 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-22 19:33:28,998 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe027_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2024-08-22 19:33:29,126 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-22 19:33:29,141 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local [2024-08-22 19:33:29,180 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe027_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] Start Parsing Local [2024-08-22 19:33:29,252 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-22 19:33:29,290 INFO L206 MainTranslator]: Completed translation [2024-08-22 19:33:29,291 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.08 07:33:29 WrapperNode [2024-08-22 19:33:29,291 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-22 19:33:29,292 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-22 19:33:29,292 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-22 19:33:29,292 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-22 19:33:29,299 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.08 07:33:29" (1/1) ... [2024-08-22 19:33:29,316 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.08 07:33:29" (1/1) ... [2024-08-22 19:33:29,345 INFO L138 Inliner]: procedures = 176, calls = 46, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 69 [2024-08-22 19:33:29,345 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-22 19:33:29,346 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-22 19:33:29,346 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-22 19:33:29,346 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-22 19:33:29,354 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.08 07:33:29" (1/1) ... [2024-08-22 19:33:29,354 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.08 07:33:29" (1/1) ... [2024-08-22 19:33:29,359 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.08 07:33:29" (1/1) ... [2024-08-22 19:33:29,361 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.08 07:33:29" (1/1) ... [2024-08-22 19:33:29,370 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.08 07:33:29" (1/1) ... [2024-08-22 19:33:29,372 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.08 07:33:29" (1/1) ... [2024-08-22 19:33:29,376 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.08 07:33:29" (1/1) ... [2024-08-22 19:33:29,377 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.08 07:33:29" (1/1) ... [2024-08-22 19:33:29,379 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-22 19:33:29,382 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-22 19:33:29,386 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-22 19:33:29,386 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-22 19:33:29,387 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.08 07:33:29" (1/1) ... [2024-08-22 19:33:29,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-22 19:33:29,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-22 19:33:29,428 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) [2024-08-22 19:33:29,434 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 [2024-08-22 19:33:29,466 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-08-22 19:33:29,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-22 19:33:29,468 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-08-22 19:33:29,468 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-08-22 19:33:29,468 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-08-22 19:33:29,468 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-08-22 19:33:29,468 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-08-22 19:33:29,469 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-08-22 19:33:29,469 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-08-22 19:33:29,469 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-08-22 19:33:29,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-22 19:33:29,470 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-08-22 19:33:29,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-22 19:33:29,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-22 19:33:29,472 WARN L212 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-08-22 19:33:29,603 INFO L243 CfgBuilder]: Building ICFG [2024-08-22 19:33:29,605 INFO L269 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-22 19:33:29,765 INFO L288 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-08-22 19:33:29,765 INFO L292 CfgBuilder]: Performing block encoding [2024-08-22 19:33:29,848 INFO L314 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-22 19:33:29,848 INFO L319 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-22 19:33:29,849 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 07:33:29 BoogieIcfgContainer [2024-08-22 19:33:29,849 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-22 19:33:29,851 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-22 19:33:29,851 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-22 19:33:29,858 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-22 19:33:29,858 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 07:33:28" (1/4) ... [2024-08-22 19:33:29,859 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6afcc52d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 07:33:29, skipping insertion in model container [2024-08-22 19:33:29,859 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.08 07:33:28" (2/4) ... [2024-08-22 19:33:29,859 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6afcc52d and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 22.08 07:33:29, skipping insertion in model container [2024-08-22 19:33:29,860 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.08 07:33:29" (3/4) ... [2024-08-22 19:33:29,860 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6afcc52d and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 22.08 07:33:29, skipping insertion in model container [2024-08-22 19:33:29,860 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 07:33:29" (4/4) ... [2024-08-22 19:33:29,861 INFO L112 eAbstractionObserver]: Analyzing ICFG safe027_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-08-22 19:33:29,877 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-22 19:33:29,878 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-08-22 19:33:29,878 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-22 19:33:29,931 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-08-22 19:33:29,977 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-22 19:33:29,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-22 19:33:29,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-22 19:33:29,980 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) [2024-08-22 19:33:29,983 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 [2024-08-22 19:33:30,024 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-22 19:33:30,041 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-22 19:33:30,049 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;@2c07f4cd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-22 19:33:30,049 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-08-22 19:33:30,289 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-08-22 19:33:30,293 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 19:33:30,294 INFO L85 PathProgramCache]: Analyzing trace with hash -2058453943, now seen corresponding path program 1 times [2024-08-22 19:33:30,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 19:33:30,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554828571] [2024-08-22 19:33:30,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 19:33:30,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 19:33:30,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 19:33:30,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 19:33:30,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 19:33:30,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554828571] [2024-08-22 19:33:30,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554828571] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-22 19:33:30,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-22 19:33:30,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-22 19:33:30,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783006898] [2024-08-22 19:33:30,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-22 19:33:30,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-22 19:33:30,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 19:33:30,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-22 19:33:30,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-08-22 19:33:30,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 19:33:30,976 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 19:33:30,978 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 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) [2024-08-22 19:33:30,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 19:33:31,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 19:33:31,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-22 19:33:31,116 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-08-22 19:33:31,117 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 19:33:31,117 INFO L85 PathProgramCache]: Analyzing trace with hash 2100461770, now seen corresponding path program 1 times [2024-08-22 19:33:31,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 19:33:31,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514442031] [2024-08-22 19:33:31,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 19:33:31,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 19:33:31,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 19:33:31,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 19:33:31,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 19:33:31,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514442031] [2024-08-22 19:33:31,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514442031] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-22 19:33:31,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-22 19:33:31,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-08-22 19:33:31,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977334557] [2024-08-22 19:33:31,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-22 19:33:31,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-08-22 19:33:31,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 19:33:31,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-08-22 19:33:31,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-08-22 19:33:31,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 19:33:31,355 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 19:33:31,355 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 6 states have internal predecessors, (35), 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) [2024-08-22 19:33:31,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 19:33:31,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 19:33:31,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 19:33:31,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-22 19:33:31,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-08-22 19:33:31,516 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-08-22 19:33:31,516 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 19:33:31,517 INFO L85 PathProgramCache]: Analyzing trace with hash -32478005, now seen corresponding path program 1 times [2024-08-22 19:33:31,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 19:33:31,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675252270] [2024-08-22 19:33:31,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 19:33:31,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 19:33:31,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 19:33:31,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 19:33:31,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 19:33:31,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675252270] [2024-08-22 19:33:31,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675252270] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-22 19:33:31,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-22 19:33:31,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-08-22 19:33:31,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305089527] [2024-08-22 19:33:31,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-22 19:33:31,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-08-22 19:33:31,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 19:33:31,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-08-22 19:33:31,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-08-22 19:33:31,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 19:33:31,754 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 19:33:31,754 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 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) [2024-08-22 19:33:31,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 19:33:31,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-22 19:33:31,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 19:33:32,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 19:33:32,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-22 19:33:32,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-22 19:33:32,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-08-22 19:33:32,579 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-08-22 19:33:32,580 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 19:33:32,580 INFO L85 PathProgramCache]: Analyzing trace with hash 32802951, now seen corresponding path program 2 times [2024-08-22 19:33:32,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 19:33:32,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069560216] [2024-08-22 19:33:32,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 19:33:32,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 19:33:32,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 19:33:32,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 19:33:32,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 19:33:32,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069560216] [2024-08-22 19:33:32,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069560216] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-22 19:33:32,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-22 19:33:32,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-08-22 19:33:32,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947612699] [2024-08-22 19:33:32,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-22 19:33:32,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-08-22 19:33:32,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 19:33:32,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-08-22 19:33:32,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-08-22 19:33:32,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 19:33:32,762 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 19:33:32,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 6 states have internal predecessors, (38), 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) [2024-08-22 19:33:32,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 19:33:32,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-22 19:33:32,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-22 19:33:32,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 19:33:33,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 19:33:33,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-22 19:33:33,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-22 19:33:33,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-22 19:33:33,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-08-22 19:33:33,333 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-08-22 19:33:33,334 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 19:33:33,334 INFO L85 PathProgramCache]: Analyzing trace with hash 552215591, now seen corresponding path program 3 times [2024-08-22 19:33:33,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 19:33:33,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876189803] [2024-08-22 19:33:33,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 19:33:33,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 19:33:33,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 19:33:33,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 19:33:33,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 19:33:33,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876189803] [2024-08-22 19:33:33,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876189803] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-22 19:33:33,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-22 19:33:33,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-08-22 19:33:33,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018972240] [2024-08-22 19:33:33,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-22 19:33:33,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-08-22 19:33:33,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 19:33:33,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-08-22 19:33:33,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-08-22 19:33:33,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 19:33:33,516 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 19:33:33,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 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) [2024-08-22 19:33:33,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 19:33:33,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-22 19:33:33,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-22 19:33:33,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-22 19:33:33,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 19:33:34,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 19:33:34,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-22 19:33:34,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-22 19:33:34,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-22 19:33:34,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-22 19:33:34,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-08-22 19:33:34,032 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-08-22 19:33:34,032 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 19:33:34,033 INFO L85 PathProgramCache]: Analyzing trace with hash -433945117, now seen corresponding path program 4 times [2024-08-22 19:33:34,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 19:33:34,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986146509] [2024-08-22 19:33:34,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 19:33:34,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 19:33:34,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 19:33:34,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 19:33:34,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 19:33:34,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986146509] [2024-08-22 19:33:34,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986146509] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-22 19:33:34,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-22 19:33:34,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-08-22 19:33:34,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113247390] [2024-08-22 19:33:34,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-22 19:33:34,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-08-22 19:33:34,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 19:33:34,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-08-22 19:33:34,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-08-22 19:33:34,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 19:33:34,209 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 19:33:34,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 6 states have internal predecessors, (38), 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) [2024-08-22 19:33:34,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 19:33:34,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-22 19:33:34,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-22 19:33:34,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-22 19:33:34,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-22 19:33:34,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 19:33:34,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 19:33:34,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-22 19:33:34,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-22 19:33:34,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-22 19:33:34,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-22 19:33:34,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-22 19:33:34,980 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2024-08-22 19:33:34,981 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2024-08-22 19:33:34,983 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2024-08-22 19:33:34,983 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-08-22 19:33:34,984 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2024-08-22 19:33:34,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-08-22 19:33:34,989 INFO L445 BasicCegarLoop]: Path program histogram: [4, 1, 1] [2024-08-22 19:33:34,994 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-08-22 19:33:34,994 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-08-22 19:33:34,997 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 07:33:34 BasicIcfg [2024-08-22 19:33:34,997 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-22 19:33:34,998 INFO L158 Benchmark]: Toolchain (without parser) took 6240.24ms. Allocated memory was 161.5MB in the beginning and 239.1MB in the end (delta: 77.6MB). Free memory was 120.7MB in the beginning and 125.3MB in the end (delta: -4.5MB). Peak memory consumption was 117.5MB. Max. memory is 16.1GB. [2024-08-22 19:33:34,998 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 109.1MB. Free memory is still 82.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-22 19:33:34,998 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 161.5MB. Free memory is still 126.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-22 19:33:34,999 INFO L158 Benchmark]: CACSL2BoogieTranslator took 531.38ms. Allocated memory is still 161.5MB. Free memory was 120.7MB in the beginning and 95.4MB in the end (delta: 25.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-08-22 19:33:34,999 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.37ms. Allocated memory is still 161.5MB. Free memory was 95.4MB in the beginning and 93.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-22 19:33:35,000 INFO L158 Benchmark]: Boogie Preprocessor took 33.75ms. Allocated memory is still 161.5MB. Free memory was 93.5MB in the beginning and 92.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-22 19:33:35,000 INFO L158 Benchmark]: RCFGBuilder took 466.61ms. Allocated memory is still 161.5MB. Free memory was 92.2MB in the beginning and 71.2MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-08-22 19:33:35,000 INFO L158 Benchmark]: TraceAbstraction took 5146.41ms. Allocated memory was 161.5MB in the beginning and 239.1MB in the end (delta: 77.6MB). Free memory was 70.4MB in the beginning and 125.3MB in the end (delta: -54.8MB). Peak memory consumption was 67.2MB. Max. memory is 16.1GB. [2024-08-22 19:33:35,003 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 109.1MB. Free memory is still 82.6MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 161.5MB. Free memory is still 126.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 531.38ms. Allocated memory is still 161.5MB. Free memory was 120.7MB in the beginning and 95.4MB in the end (delta: 25.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.37ms. Allocated memory is still 161.5MB. Free memory was 95.4MB in the beginning and 93.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.75ms. Allocated memory is still 161.5MB. Free memory was 93.5MB in the beginning and 92.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 466.61ms. Allocated memory is still 161.5MB. Free memory was 92.2MB in the beginning and 71.2MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 5146.41ms. Allocated memory was 161.5MB in the beginning and 239.1MB in the end (delta: 77.6MB). Free memory was 70.4MB in the beginning and 125.3MB in the end (delta: -54.8MB). Peak memory consumption was 67.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 103536, independent: 101937, independent conditional: 100917, independent unconditional: 1020, dependent: 1599, dependent conditional: 1574, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 103536, independent: 101937, independent conditional: 100917, independent unconditional: 1020, dependent: 1599, dependent conditional: 1574, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 103536, independent: 101937, independent conditional: 100917, independent unconditional: 1020, dependent: 1599, dependent conditional: 1574, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 120890, independent: 101937, independent conditional: 3552, independent unconditional: 98385, dependent: 18953, dependent conditional: 13802, dependent unconditional: 5151, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 120890, independent: 101937, independent conditional: 3552, independent unconditional: 98385, dependent: 18953, dependent conditional: 1073, dependent unconditional: 17880, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 120890, independent: 101937, independent conditional: 3552, independent unconditional: 98385, dependent: 18953, dependent conditional: 1073, dependent unconditional: 17880, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1074, independent: 1041, independent conditional: 21, independent unconditional: 1020, dependent: 33, dependent conditional: 8, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1074, independent: 1005, independent conditional: 0, independent unconditional: 1005, dependent: 69, dependent conditional: 0, dependent unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 69, independent: 36, independent conditional: 21, independent unconditional: 15, dependent: 33, dependent conditional: 8, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 69, independent: 36, independent conditional: 21, independent unconditional: 15, dependent: 33, dependent conditional: 8, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 262, independent: 151, independent conditional: 57, independent unconditional: 94, dependent: 111, dependent conditional: 18, dependent unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 120890, independent: 100896, independent conditional: 3531, independent unconditional: 97365, dependent: 18920, dependent conditional: 1065, dependent unconditional: 17855, unknown: 1074, unknown conditional: 29, unknown unconditional: 1045] , Statistics on independence cache: Total cache size (in pairs): 1074, Positive cache size: 1041, Positive conditional cache size: 21, Positive unconditional cache size: 1020, Negative cache size: 33, Negative conditional cache size: 8, Negative unconditional cache size: 25, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 12729, Maximal queried relation: 6, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.5s, Number of persistent set computation: 3288, Number of trivial persistent sets: 1706, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1045, independent: 1020, independent conditional: 0, independent unconditional: 1020, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 103536, independent: 101937, independent conditional: 100917, independent unconditional: 1020, dependent: 1599, dependent conditional: 1574, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 103536, independent: 101937, independent conditional: 100917, independent unconditional: 1020, dependent: 1599, dependent conditional: 1574, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 103536, independent: 101937, independent conditional: 100917, independent unconditional: 1020, dependent: 1599, dependent conditional: 1574, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 120890, independent: 101937, independent conditional: 3552, independent unconditional: 98385, dependent: 18953, dependent conditional: 13802, dependent unconditional: 5151, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 120890, independent: 101937, independent conditional: 3552, independent unconditional: 98385, dependent: 18953, dependent conditional: 1073, dependent unconditional: 17880, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 120890, independent: 101937, independent conditional: 3552, independent unconditional: 98385, dependent: 18953, dependent conditional: 1073, dependent unconditional: 17880, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1074, independent: 1041, independent conditional: 21, independent unconditional: 1020, dependent: 33, dependent conditional: 8, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1074, independent: 1005, independent conditional: 0, independent unconditional: 1005, dependent: 69, dependent conditional: 0, dependent unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 69, independent: 36, independent conditional: 21, independent unconditional: 15, dependent: 33, dependent conditional: 8, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 69, independent: 36, independent conditional: 21, independent unconditional: 15, dependent: 33, dependent conditional: 8, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 262, independent: 151, independent conditional: 57, independent unconditional: 94, dependent: 111, dependent conditional: 18, dependent unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 120890, independent: 100896, independent conditional: 3531, independent unconditional: 97365, dependent: 18920, dependent conditional: 1065, dependent unconditional: 17855, unknown: 1074, unknown conditional: 29, unknown unconditional: 1045] , Statistics on independence cache: Total cache size (in pairs): 1074, Positive cache size: 1041, Positive conditional cache size: 21, Positive unconditional cache size: 1020, Negative cache size: 33, Negative conditional cache size: 8, Negative unconditional cache size: 25, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 12729, Maximal queried relation: 6, Independence queries for same thread: 0 - PositiveResult [Line: 18]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 9 procedures, 76 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 5.0s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 3.2s, 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: 38, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 220 NumberOfCodeBlocks, 220 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 214 ConstructedInterpolants, 0 QuantifiedInterpolants, 1176 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-08-22 19:33:35,035 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 [2024-08-22 19:33:35,234 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE