./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/safe018_pso.oepc_pso.opt_tso.oepc_tso.opt.i --full-output --validate ./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/safe018_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/safe018_pso.oepc_pso.opt_tso.oepc_tso.opt.i ./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/safe018_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 19:33:00,249 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-22 19:33:00,304 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-22 19:33:00,309 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-22 19:33:00,310 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-22 19:33:00,335 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-22 19:33:00,336 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-22 19:33:00,336 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-22 19:33:00,337 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-22 19:33:00,339 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-22 19:33:00,340 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-22 19:33:00,340 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-22 19:33:00,340 INFO L153 SettingsManager]: * Use SBE=true [2024-08-22 19:33:00,340 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-22 19:33:00,341 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-22 19:33:00,341 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-22 19:33:00,341 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-22 19:33:00,341 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-22 19:33:00,342 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-22 19:33:00,343 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-22 19:33:00,343 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-22 19:33:00,343 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-22 19:33:00,343 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-22 19:33:00,344 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-22 19:33:00,344 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-22 19:33:00,344 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-22 19:33:00,344 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-22 19:33:00,345 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-22 19:33:00,345 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-22 19:33:00,345 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-22 19:33:00,345 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-22 19:33:00,346 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-22 19:33:00,346 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-22 19:33:00,346 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-22 19:33:00,347 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-22 19:33:00,347 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-22 19:33:00,347 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-22 19:33:00,347 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-22 19:33:00,347 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-22 19:33:00,347 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-22 19:33:00,348 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-22 19:33:00,348 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-22 19:33:00,348 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false [2024-08-22 19:33:00,560 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-22 19:33:00,581 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-22 19:33:00,583 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-22 19:33:00,584 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-22 19:33:00,585 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-22 19:33:00,586 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/safe018_pso.oepc_pso.opt_tso.oepc_tso.opt.yml/witness.yml [2024-08-22 19:33:00,730 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-22 19:33:00,730 INFO L274 PluginConnector]: CDTParser initialized [2024-08-22 19:33:00,731 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/safe018_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-08-22 19:33:01,940 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-22 19:33:02,159 INFO L384 CDTParser]: Found 1 translation units. [2024-08-22 19:33:02,161 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe018_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-08-22 19:33:02,177 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/b28656094/95a1b93315fa4135b147d31fe25c17cd/FLAG9acf0a0b4 [2024-08-22 19:33:02,514 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/b28656094/95a1b93315fa4135b147d31fe25c17cd [2024-08-22 19:33:02,515 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-22 19:33:02,516 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-22 19:33:02,518 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-22 19:33:02,519 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-22 19:33:02,523 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-22 19:33:02,523 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.08 07:33:00" (1/2) ... [2024-08-22 19:33:02,524 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ff792e5 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.08 07:33:02, skipping insertion in model container [2024-08-22 19:33:02,524 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.08 07:33:00" (1/2) ... [2024-08-22 19:33:02,525 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7cf25958 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.08 07:33:02, skipping insertion in model container [2024-08-22 19:33:02,526 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 07:33:02" (2/2) ... [2024-08-22 19:33:02,527 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ff792e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:33:02, skipping insertion in model container [2024-08-22 19:33:02,527 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 07:33:02" (2/2) ... [2024-08-22 19:33:02,527 INFO L81 nessWitnessExtractor]: Only extracting loop invariants from correctness witness [2024-08-22 19:33:02,542 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-22 19:33:02,543 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-08-22 19:33:02,545 INFO L106 edCorrectnessWitness]: ghost_update [L776-L776] multithreaded = 1; [2024-08-22 19:33:02,577 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-22 19:33:02,711 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/safe018_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2024-08-22 19:33:02,822 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-22 19:33:02,832 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local [2024-08-22 19:33:02,862 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/safe018_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] Start Parsing Local [2024-08-22 19:33:02,902 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-22 19:33:02,985 INFO L206 MainTranslator]: Completed translation [2024-08-22 19:33:02,986 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:33:02 WrapperNode [2024-08-22 19:33:02,986 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-22 19:33:02,987 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-22 19:33:02,987 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-22 19:33:02,987 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-22 19:33:02,992 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:33:02" (1/1) ... [2024-08-22 19:33:03,000 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:33:02" (1/1) ... [2024-08-22 19:33:03,015 INFO L138 Inliner]: procedures = 175, calls = 39, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2024-08-22 19:33:03,015 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-22 19:33:03,016 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-22 19:33:03,016 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-22 19:33:03,016 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-22 19:33:03,022 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:33:02" (1/1) ... [2024-08-22 19:33:03,022 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:33:02" (1/1) ... [2024-08-22 19:33:03,024 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:33:02" (1/1) ... [2024-08-22 19:33:03,025 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:33:02" (1/1) ... [2024-08-22 19:33:03,028 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:33:02" (1/1) ... [2024-08-22 19:33:03,029 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:33:02" (1/1) ... [2024-08-22 19:33:03,030 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:33:02" (1/1) ... [2024-08-22 19:33:03,031 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:33:02" (1/1) ... [2024-08-22 19:33:03,032 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-22 19:33:03,033 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-22 19:33:03,033 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-22 19:33:03,033 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-22 19:33:03,034 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:33:02" (1/1) ... [2024-08-22 19:33:03,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-22 19:33:03,045 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-22 19:33:03,056 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 19:33:03,058 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 19:33:03,083 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-08-22 19:33:03,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-22 19:33:03,083 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-08-22 19:33:03,083 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-08-22 19:33:03,083 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-08-22 19:33:03,083 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-08-22 19:33:03,084 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-08-22 19:33:03,084 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-08-22 19:33:03,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-22 19:33:03,084 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-08-22 19:33:03,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-22 19:33:03,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-22 19:33:03,085 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 19:33:03,180 INFO L243 CfgBuilder]: Building ICFG [2024-08-22 19:33:03,181 INFO L269 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-22 19:33:03,276 INFO L288 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-08-22 19:33:03,276 INFO L292 CfgBuilder]: Performing block encoding [2024-08-22 19:33:03,358 INFO L314 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-22 19:33:03,359 INFO L319 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-22 19:33:03,359 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 07:33:03 BoogieIcfgContainer [2024-08-22 19:33:03,362 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-22 19:33:03,364 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-22 19:33:03,364 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-22 19:33:03,372 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-22 19:33:03,372 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.08 07:33:00" (1/4) ... [2024-08-22 19:33:03,373 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7910864 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 22.08 07:33:03, skipping insertion in model container [2024-08-22 19:33:03,373 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 07:33:02" (2/4) ... [2024-08-22 19:33:03,373 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7910864 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 07:33:03, skipping insertion in model container [2024-08-22 19:33:03,374 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:33:02" (3/4) ... [2024-08-22 19:33:03,374 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7910864 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 07:33:03, skipping insertion in model container [2024-08-22 19:33:03,374 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 07:33:03" (4/4) ... [2024-08-22 19:33:03,375 INFO L112 eAbstractionObserver]: Analyzing ICFG safe018_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-08-22 19:33:03,390 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-22 19:33:03,390 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-08-22 19:33:03,391 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-22 19:33:03,431 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-08-22 19:33:03,468 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-22 19:33:03,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-22 19:33:03,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-22 19:33:03,471 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 19:33:03,472 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 19:33:03,506 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-22 19:33:03,516 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-22 19:33:03,522 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;@67622b5c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-22 19:33:03,522 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-08-22 19:33:03,651 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-22 19:33:03,655 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 19:33:03,655 INFO L85 PathProgramCache]: Analyzing trace with hash -1225140848, now seen corresponding path program 1 times [2024-08-22 19:33:03,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 19:33:03,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604733219] [2024-08-22 19:33:03,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 19:33:03,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 19:33:03,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 19:33:04,079 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 19:33:04,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 19:33:04,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604733219] [2024-08-22 19:33:04,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604733219] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-22 19:33:04,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-22 19:33:04,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-08-22 19:33:04,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914100847] [2024-08-22 19:33:04,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-22 19:33:04,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-08-22 19:33:04,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 19:33:04,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-08-22 19:33:04,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-08-22 19:33:04,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 19:33:04,106 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 19:33:04,106 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 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 19:33:04,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 19:33:04,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-22 19:33:04,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-22 19:33:04,208 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-22 19:33:04,208 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 19:33:04,208 INFO L85 PathProgramCache]: Analyzing trace with hash 1423069830, now seen corresponding path program 1 times [2024-08-22 19:33:04,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 19:33:04,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119486292] [2024-08-22 19:33:04,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 19:33:04,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 19:33:04,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 19:33:04,415 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 19:33:04,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 19:33:04,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119486292] [2024-08-22 19:33:04,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119486292] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-22 19:33:04,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-22 19:33:04,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-08-22 19:33:04,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683843169] [2024-08-22 19:33:04,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-22 19:33:04,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-08-22 19:33:04,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 19:33:04,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-08-22 19:33:04,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-08-22 19:33:04,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 19:33:04,420 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 19:33:04,420 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-22 19:33:04,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-22 19:33:04,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 19:33:04,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-22 19:33:04,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-22 19:33:04,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-08-22 19:33:04,787 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-22 19:33:04,787 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 19:33:04,788 INFO L85 PathProgramCache]: Analyzing trace with hash -1264023290, now seen corresponding path program 2 times [2024-08-22 19:33:04,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 19:33:04,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626404972] [2024-08-22 19:33:04,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 19:33:04,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 19:33:04,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 19:33:04,948 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 19:33:04,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 19:33:04,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626404972] [2024-08-22 19:33:04,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626404972] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-22 19:33:04,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-22 19:33:04,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-08-22 19:33:04,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473220151] [2024-08-22 19:33:04,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-22 19:33:04,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-08-22 19:33:04,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 19:33:04,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-08-22 19:33:04,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-08-22 19:33:04,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 19:33:04,950 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 19:33:04,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 6 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-22 19:33:04,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-22 19:33:04,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-22 19:33:04,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 19:33:05,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-22 19:33:05,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-22 19:33:05,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-22 19:33:05,180 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-08-22 19:33:05,180 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-22 19:33:05,180 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 19:33:05,180 INFO L85 PathProgramCache]: Analyzing trace with hash -181788928, now seen corresponding path program 3 times [2024-08-22 19:33:05,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 19:33:05,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562232902] [2024-08-22 19:33:05,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 19:33:05,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 19:33:05,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 19:33:05,314 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 19:33:05,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 19:33:05,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562232902] [2024-08-22 19:33:05,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562232902] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-22 19:33:05,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-22 19:33:05,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-08-22 19:33:05,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509338726] [2024-08-22 19:33:05,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-22 19:33:05,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-08-22 19:33:05,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 19:33:05,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-08-22 19:33:05,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-08-22 19:33:05,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 19:33:05,319 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 19:33:05,319 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 6 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-22 19:33:05,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-22 19:33:05,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-22 19:33:05,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-22 19:33:05,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 19:33:05,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-22 19:33:05,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-22 19:33:05,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-22 19:33:05,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-22 19:33:05,460 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-08-22 19:33:05,461 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-08-22 19:33:05,461 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-08-22 19:33:05,461 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-08-22 19:33:05,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-08-22 19:33:05,465 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1] [2024-08-22 19:33:05,468 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-08-22 19:33:05,468 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-08-22 19:33:05,470 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 07:33:05 BasicIcfg [2024-08-22 19:33:05,470 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-22 19:33:05,471 INFO L158 Benchmark]: Toolchain (without parser) took 2954.63ms. Allocated memory was 163.6MB in the beginning and 228.6MB in the end (delta: 65.0MB). Free memory was 84.5MB in the beginning and 107.8MB in the end (delta: -23.2MB). Peak memory consumption was 41.8MB. Max. memory is 16.1GB. [2024-08-22 19:33:05,471 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 163.6MB. Free memory is still 113.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-22 19:33:05,473 INFO L158 Benchmark]: CDTParser took 0.68ms. Allocated memory is still 163.6MB. Free memory is still 131.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-22 19:33:05,473 INFO L158 Benchmark]: CACSL2BoogieTranslator took 467.62ms. Allocated memory was 163.6MB in the beginning and 228.6MB in the end (delta: 65.0MB). Free memory was 84.3MB in the beginning and 194.1MB in the end (delta: -109.8MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB. [2024-08-22 19:33:05,474 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.46ms. Allocated memory is still 228.6MB. Free memory was 194.1MB in the beginning and 192.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-22 19:33:05,474 INFO L158 Benchmark]: Boogie Preprocessor took 17.01ms. Allocated memory is still 228.6MB. Free memory was 192.0MB in the beginning and 191.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-22 19:33:05,475 INFO L158 Benchmark]: RCFGBuilder took 329.15ms. Allocated memory is still 228.6MB. Free memory was 191.0MB in the beginning and 171.0MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-08-22 19:33:05,475 INFO L158 Benchmark]: TraceAbstraction took 2106.32ms. Allocated memory is still 228.6MB. Free memory was 170.0MB in the beginning and 107.8MB in the end (delta: 62.2MB). Peak memory consumption was 60.1MB. Max. memory is 16.1GB. [2024-08-22 19:33:05,476 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 0.18ms. Allocated memory is still 163.6MB. Free memory is still 113.9MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.68ms. Allocated memory is still 163.6MB. Free memory is still 131.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 467.62ms. Allocated memory was 163.6MB in the beginning and 228.6MB in the end (delta: 65.0MB). Free memory was 84.3MB in the beginning and 194.1MB in the end (delta: -109.8MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.46ms. Allocated memory is still 228.6MB. Free memory was 194.1MB in the beginning and 192.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.01ms. Allocated memory is still 228.6MB. Free memory was 192.0MB in the beginning and 191.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 329.15ms. Allocated memory is still 228.6MB. Free memory was 191.0MB in the beginning and 171.0MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 2106.32ms. Allocated memory is still 228.6MB. Free memory was 170.0MB in the beginning and 107.8MB in the end (delta: 62.2MB). Peak memory consumption was 60.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 8826, independent: 8621, independent conditional: 8028, independent unconditional: 593, dependent: 205, dependent conditional: 187, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8826, independent: 8621, independent conditional: 8028, independent unconditional: 593, dependent: 205, dependent conditional: 187, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 8826, independent: 8621, independent conditional: 8028, independent unconditional: 593, dependent: 205, dependent conditional: 187, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10262, independent: 8621, independent conditional: 323, independent unconditional: 8298, dependent: 1641, dependent conditional: 1113, dependent unconditional: 528, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 10262, independent: 8621, independent conditional: 323, independent unconditional: 8298, dependent: 1641, dependent conditional: 145, dependent unconditional: 1496, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 10262, independent: 8621, independent conditional: 323, independent unconditional: 8298, dependent: 1641, dependent conditional: 145, dependent unconditional: 1496, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 626, independent: 603, independent conditional: 10, independent unconditional: 593, dependent: 23, dependent conditional: 5, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 626, independent: 585, independent conditional: 0, independent unconditional: 585, dependent: 41, dependent conditional: 0, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 41, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 23, dependent conditional: 5, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 41, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 23, dependent conditional: 5, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 138, independent: 77, independent conditional: 31, independent unconditional: 46, dependent: 61, dependent conditional: 10, dependent unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 10262, independent: 8018, independent conditional: 313, independent unconditional: 7705, dependent: 1618, dependent conditional: 140, dependent unconditional: 1478, unknown: 626, unknown conditional: 15, unknown unconditional: 611] , Statistics on independence cache: Total cache size (in pairs): 626, Positive cache size: 603, Positive conditional cache size: 10, Positive unconditional cache size: 593, Negative cache size: 23, Negative conditional cache size: 5, Negative unconditional cache size: 18, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 968, Maximal queried relation: 4, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 551, Number of trivial persistent sets: 282, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 611, independent: 593, independent conditional: 0, independent unconditional: 593, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 8826, independent: 8621, independent conditional: 8028, independent unconditional: 593, dependent: 205, dependent conditional: 187, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8826, independent: 8621, independent conditional: 8028, independent unconditional: 593, dependent: 205, dependent conditional: 187, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 8826, independent: 8621, independent conditional: 8028, independent unconditional: 593, dependent: 205, dependent conditional: 187, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10262, independent: 8621, independent conditional: 323, independent unconditional: 8298, dependent: 1641, dependent conditional: 1113, dependent unconditional: 528, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 10262, independent: 8621, independent conditional: 323, independent unconditional: 8298, dependent: 1641, dependent conditional: 145, dependent unconditional: 1496, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 10262, independent: 8621, independent conditional: 323, independent unconditional: 8298, dependent: 1641, dependent conditional: 145, dependent unconditional: 1496, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 626, independent: 603, independent conditional: 10, independent unconditional: 593, dependent: 23, dependent conditional: 5, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 626, independent: 585, independent conditional: 0, independent unconditional: 585, dependent: 41, dependent conditional: 0, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 41, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 23, dependent conditional: 5, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 41, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 23, dependent conditional: 5, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 138, independent: 77, independent conditional: 31, independent unconditional: 46, dependent: 61, dependent conditional: 10, dependent unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 10262, independent: 8018, independent conditional: 313, independent unconditional: 7705, dependent: 1618, dependent conditional: 140, dependent unconditional: 1478, unknown: 626, unknown conditional: 15, unknown unconditional: 611] , Statistics on independence cache: Total cache size (in pairs): 626, Positive cache size: 603, Positive conditional cache size: 10, Positive unconditional cache size: 593, Negative cache size: 23, Negative conditional cache size: 5, Negative unconditional cache size: 18, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 968, Maximal queried relation: 4, 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 7 procedures, 61 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 1.0s, 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: 25, 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, 0.7s InterpolantComputationTime, 119 NumberOfCodeBlocks, 119 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 115 ConstructedInterpolants, 0 QuantifiedInterpolants, 621 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-08-22 19:33:05,499 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 19:33:05,700 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