./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_24-sound_lock_racing.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/28-race_reach_24-sound_lock_racing.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 958ec4d9 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_24-sound_lock_racing.i ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/28-race_reach_24-sound_lock_racing.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-dev-958ec4d-m [2024-02-07 14:54:09,756 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 14:54:09,833 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 14:54:09,837 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 14:54:09,837 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 14:54:09,859 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 14:54:09,860 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 14:54:09,860 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 14:54:09,861 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 14:54:09,864 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 14:54:09,864 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 14:54:09,864 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 14:54:09,865 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 14:54:09,866 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 14:54:09,866 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 14:54:09,867 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 14:54:09,867 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 14:54:09,867 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 14:54:09,867 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 14:54:09,867 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 14:54:09,868 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 14:54:09,868 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 14:54:09,868 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 14:54:09,868 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 14:54:09,869 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 14:54:09,869 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 14:54:09,869 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 14:54:09,869 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 14:54:09,870 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 14:54:09,870 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 14:54:09,871 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 14:54:09,871 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 14:54:09,871 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:54:09,871 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 14:54:09,871 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 14:54:09,872 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 14:54:09,872 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 14:54:09,872 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 14:54:09,872 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 14:54:09,872 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 14:54:09,872 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 14:54:09,873 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 14:54:09,873 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 14:54:09,873 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 14:54:10,057 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 14:54:10,071 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 14:54:10,073 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 14:54:10,074 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 14:54:10,075 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 14:54:10,075 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_24-sound_lock_racing.i [2024-02-07 14:54:11,194 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 14:54:11,413 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 14:54:11,414 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_24-sound_lock_racing.i [2024-02-07 14:54:11,432 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92345b878/825e670f92c94a50afe6296c78c53a75/FLAGc8e94e063 [2024-02-07 14:54:11,450 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92345b878/825e670f92c94a50afe6296c78c53a75 [2024-02-07 14:54:11,453 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 14:54:11,453 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 14:54:11,455 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/28-race_reach_24-sound_lock_racing.yml/witness.yml [2024-02-07 14:54:11,516 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 14:54:11,517 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 14:54:11,518 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 14:54:11,518 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 14:54:11,522 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 14:54:11,522 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:54:11" (1/2) ... [2024-02-07 14:54:11,523 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66c3a58b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:54:11, skipping insertion in model container [2024-02-07 14:54:11,523 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:54:11" (1/2) ... [2024-02-07 14:54:11,525 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@665b54b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:54:11, skipping insertion in model container [2024-02-07 14:54:11,525 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:54:11" (2/2) ... [2024-02-07 14:54:11,525 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66c3a58b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:54:11, skipping insertion in model container [2024-02-07 14:54:11,526 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:54:11" (2/2) ... [2024-02-07 14:54:11,526 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 14:54:11,558 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 14:54:11,559 INFO L76 edCorrectnessWitness]: Location invariant before [L714-L714] ((((((((((((((((((((((((i == 4 || i == 3) || i == 2) || i == 1) || (0 == i && i == 0)) || (25 <= i && i <= 9999)) || i == 24) || i == 23) || i == 22) || i == 21) || i == 20) || i == 19) || i == 18) || i == 17) || i == 16) || i == 15) || i == 14) || i == 13) || i == 12) || i == 11) || i == 10) || i == 9) || i == 8) || i == 7) || i == 6) || i == 5 [2024-02-07 14:54:11,559 INFO L76 edCorrectnessWitness]: Location invariant before [L702-L702] (0 <= global) && (global <= 2147483646) [2024-02-07 14:54:11,559 INFO L76 edCorrectnessWitness]: Location invariant after [L702-L702] 0 <= global [2024-02-07 14:54:11,559 INFO L76 edCorrectnessWitness]: Location invariant after [L714-L714] ((((((((((((((((((((((((i == 4 || i == 3) || i == 2) || i == 1) || (0 == i && i == 0)) || (25 <= i && i <= 9999)) || i == 24) || i == 23) || i == 22) || i == 21) || i == 20) || i == 19) || i == 18) || i == 17) || i == 16) || i == 15) || i == 14) || i == 13) || i == 12) || i == 11) || i == 10) || i == 9) || i == 8) || i == 7) || i == 6) || i == 5 [2024-02-07 14:54:11,559 INFO L76 edCorrectnessWitness]: Location invariant before [L709-L709] (m == & mutex1) && (i != 0) [2024-02-07 14:54:11,559 INFO L76 edCorrectnessWitness]: Location invariant before [L702-L702] 1 <= global [2024-02-07 14:54:11,560 INFO L76 edCorrectnessWitness]: Location invariant after [L702-L702] 1 <= global [2024-02-07 14:54:11,560 INFO L76 edCorrectnessWitness]: Location invariant after [L712-L712] 0 <= global [2024-02-07 14:54:11,560 INFO L76 edCorrectnessWitness]: Location invariant before [L712-L712] 0 <= global [2024-02-07 14:54:11,560 INFO L76 edCorrectnessWitness]: Location invariant before [L710-L710] ((((((((((((((((((((((((i == 18 || i == 17) || i == 16) || i == 15) || i == 14) || i == 13) || i == 12) || i == 11) || i == 10) || i == 9) || i == 8) || i == 7) || i == 6) || i == 5) || i == 4) || i == 3) || i == 2) || i == 1) || (0 == i && i == 0)) || (25 <= i && i <= 9999)) || i == 24) || i == 23) || i == 22) || i == 21) || i == 20) || i == 19 [2024-02-07 14:54:11,561 INFO L76 edCorrectnessWitness]: Location invariant after [L710-L710] ((((((((((((((((((((((((i == 18 || i == 17) || i == 16) || i == 15) || i == 14) || i == 13) || i == 12) || i == 11) || i == 10) || i == 9) || i == 8) || i == 7) || i == 6) || i == 5) || i == 4) || i == 3) || i == 2) || i == 1) || (0 == i && i == 0)) || (25 <= i && i <= 9999)) || i == 24) || i == 23) || i == 22) || i == 21) || i == 20) || i == 19 [2024-02-07 14:54:11,561 INFO L76 edCorrectnessWitness]: Location invariant before [L702-L702] 1 <= global [2024-02-07 14:54:11,561 INFO L76 edCorrectnessWitness]: Location invariant after [L702-L702] (0 <= global) && (global <= 2147483646) [2024-02-07 14:54:11,561 INFO L76 edCorrectnessWitness]: Location invariant before [L709-L709] m == & mutex1 [2024-02-07 14:54:11,561 INFO L76 edCorrectnessWitness]: Location invariant after [L709-L709] (m == & mutex1) && (i != 0) [2024-02-07 14:54:11,561 INFO L76 edCorrectnessWitness]: Location invariant before [L702-L702] 0 <= global [2024-02-07 14:54:11,561 INFO L76 edCorrectnessWitness]: Location invariant after [L702-L702] 1 <= global [2024-02-07 14:54:11,599 INFO L178 MainTranslator]: Built tables and reachable declarations [2024-02-07 14:54:11,857 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_24-sound_lock_racing.i[30176,30189] [2024-02-07 14:54:11,871 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:54:11,890 INFO L203 MainTranslator]: Completed pre-run [2024-02-07 14:54:11,927 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_24-sound_lock_racing.i[30176,30189] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-02-07 14:54:12,021 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:54:12,052 INFO L207 MainTranslator]: Completed translation [2024-02-07 14:54:12,053 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:54:12 WrapperNode [2024-02-07 14:54:12,053 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 14:54:12,054 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-07 14:54:12,054 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-07 14:54:12,054 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-07 14:54:12,059 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 07.02 02:54:12" (1/1) ... [2024-02-07 14:54:12,069 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 07.02 02:54:12" (1/1) ... [2024-02-07 14:54:12,104 INFO L138 Inliner]: procedures = 171, calls = 41, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 95 [2024-02-07 14:54:12,104 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-07 14:54:12,105 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-07 14:54:12,105 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-07 14:54:12,105 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-07 14:54:12,113 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:54:12" (1/1) ... [2024-02-07 14:54:12,114 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:54:12" (1/1) ... [2024-02-07 14:54:12,116 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:54:12" (1/1) ... [2024-02-07 14:54:12,130 INFO L175 MemorySlicer]: Split 19 memory accesses to 4 slices as follows [2, 5, 10, 2]. 53 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 5, 10, 0]. The 1 writes are split as follows [0, 0, 0, 1]. [2024-02-07 14:54:12,130 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:54:12" (1/1) ... [2024-02-07 14:54:12,130 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:54:12" (1/1) ... [2024-02-07 14:54:12,135 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:54:12" (1/1) ... [2024-02-07 14:54:12,137 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:54:12" (1/1) ... [2024-02-07 14:54:12,139 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:54:12" (1/1) ... [2024-02-07 14:54:12,140 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:54:12" (1/1) ... [2024-02-07 14:54:12,142 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-07 14:54:12,143 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-07 14:54:12,143 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-07 14:54:12,143 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-07 14:54:12,143 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:54:12" (1/1) ... [2024-02-07 14:54:12,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:54:12,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-07 14:54:12,182 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-02-07 14:54:12,188 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-02-07 14:54:12,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-02-07 14:54:12,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-02-07 14:54:12,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-02-07 14:54:12,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-02-07 14:54:12,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-07 14:54:12,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-07 14:54:12,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-07 14:54:12,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-07 14:54:12,212 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-02-07 14:54:12,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-07 14:54:12,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-07 14:54:12,213 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-02-07 14:54:12,213 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-02-07 14:54:12,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-07 14:54:12,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-07 14:54:12,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-07 14:54:12,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-07 14:54:12,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-07 14:54:12,214 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-02-07 14:54:12,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-07 14:54:12,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-07 14:54:12,215 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-07 14:54:12,309 INFO L244 CfgBuilder]: Building ICFG [2024-02-07 14:54:12,311 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-07 14:54:12,554 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-07 14:54:12,558 INFO L293 CfgBuilder]: Performing block encoding [2024-02-07 14:54:12,713 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-07 14:54:12,713 INFO L320 CfgBuilder]: Removed 10 assume(true) statements. [2024-02-07 14:54:12,714 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:54:12 BoogieIcfgContainer [2024-02-07 14:54:12,714 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-07 14:54:12,717 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-07 14:54:12,717 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-07 14:54:12,720 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-07 14:54:12,720 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 02:54:11" (1/4) ... [2024-02-07 14:54:12,722 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68e1d5b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 02:54:12, skipping insertion in model container [2024-02-07 14:54:12,722 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:54:11" (2/4) ... [2024-02-07 14:54:12,722 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68e1d5b4 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 02:54:12, skipping insertion in model container [2024-02-07 14:54:12,722 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:54:12" (3/4) ... [2024-02-07 14:54:12,723 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68e1d5b4 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 02:54:12, skipping insertion in model container [2024-02-07 14:54:12,723 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:54:12" (4/4) ... [2024-02-07 14:54:12,724 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_24-sound_lock_racing.i [2024-02-07 14:54:12,740 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-07 14:54:12,741 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2024-02-07 14:54:12,742 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-07 14:54:12,782 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-02-07 14:54:12,813 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 57 places, 64 transitions, 135 flow [2024-02-07 14:54:12,849 INFO L124 PetriNetUnfolderBase]: 13/85 cut-off events. [2024-02-07 14:54:12,850 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-02-07 14:54:12,853 INFO L83 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 85 events. 13/85 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 276 event pairs, 0 based on Foata normal form. 0/57 useless extension candidates. Maximal degree in co-relation 53. Up to 4 conditions per place. [2024-02-07 14:54:12,853 INFO L82 GeneralOperation]: Start removeDead. Operand has 57 places, 64 transitions, 135 flow [2024-02-07 14:54:12,856 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 57 places, 63 transitions, 133 flow [2024-02-07 14:54:12,868 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 14:54:12,877 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=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;@3462ddb1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 14:54:12,877 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2024-02-07 14:54:12,879 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 14:54:12,879 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-02-07 14:54:12,879 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:54:12,880 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:54:12,880 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-02-07 14:54:12,881 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 12 more)] === [2024-02-07 14:54:12,885 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:54:12,885 INFO L85 PathProgramCache]: Analyzing trace with hash 11698, now seen corresponding path program 1 times [2024-02-07 14:54:12,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:54:12,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393851528] [2024-02-07 14:54:12,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:54:12,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:54:13,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 14:54:13,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-07 14:54:13,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 14:54:13,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393851528] [2024-02-07 14:54:13,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393851528] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 14:54:13,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 14:54:13,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 14:54:13,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850932387] [2024-02-07 14:54:13,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 14:54:13,179 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 14:54:13,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 14:54:13,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 14:54:13,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 14:54:13,215 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 23 out of 64 [2024-02-07 14:54:13,217 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 63 transitions, 133 flow. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 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) [2024-02-07 14:54:13,217 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 14:54:13,218 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 23 of 64 [2024-02-07 14:54:13,218 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 14:54:13,390 INFO L124 PetriNetUnfolderBase]: 143/467 cut-off events. [2024-02-07 14:54:13,391 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-02-07 14:54:13,394 INFO L83 FinitePrefix]: Finished finitePrefix Result has 800 conditions, 467 events. 143/467 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2285 event pairs, 143 based on Foata normal form. 80/512 useless extension candidates. Maximal degree in co-relation 748. Up to 326 conditions per place. [2024-02-07 14:54:13,398 INFO L140 encePairwiseOnDemand]: 52/64 looper letters, 28 selfloop transitions, 2 changer transitions 0/53 dead transitions. [2024-02-07 14:54:13,398 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 53 transitions, 173 flow [2024-02-07 14:54:13,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-07 14:54:13,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-07 14:54:13,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 109 transitions. [2024-02-07 14:54:13,409 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5677083333333334 [2024-02-07 14:54:13,411 INFO L175 Difference]: Start difference. First operand has 57 places, 63 transitions, 133 flow. Second operand 3 states and 109 transitions. [2024-02-07 14:54:13,412 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 53 transitions, 173 flow [2024-02-07 14:54:13,414 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 53 transitions, 173 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-02-07 14:54:13,419 INFO L231 Difference]: Finished difference. Result has 58 places, 53 transitions, 117 flow [2024-02-07 14:54:13,421 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=113, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=117, PETRI_PLACES=58, PETRI_TRANSITIONS=53} [2024-02-07 14:54:13,424 INFO L281 CegarLoopForPetriNet]: 57 programPoint places, 1 predicate places. [2024-02-07 14:54:13,424 INFO L495 AbstractCegarLoop]: Abstraction has has 58 places, 53 transitions, 117 flow [2024-02-07 14:54:13,424 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 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) [2024-02-07 14:54:13,424 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:54:13,424 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-02-07 14:54:13,425 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-07 14:54:13,426 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 12 more)] === [2024-02-07 14:54:13,426 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:54:13,427 INFO L85 PathProgramCache]: Analyzing trace with hash 363025, now seen corresponding path program 1 times [2024-02-07 14:54:13,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:54:13,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201590993] [2024-02-07 14:54:13,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:54:13,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:54:13,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 14:54:13,465 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-07 14:54:13,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 14:54:13,490 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-07 14:54:13,491 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-02-07 14:54:13,492 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 15 remaining) [2024-02-07 14:54:13,493 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 15 remaining) [2024-02-07 14:54:13,494 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 15 remaining) [2024-02-07 14:54:13,494 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 15 remaining) [2024-02-07 14:54:13,494 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (10 of 15 remaining) [2024-02-07 14:54:13,494 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 15 remaining) [2024-02-07 14:54:13,495 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2024-02-07 14:54:13,495 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 15 remaining) [2024-02-07 14:54:13,495 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 15 remaining) [2024-02-07 14:54:13,495 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 15 remaining) [2024-02-07 14:54:13,495 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 15 remaining) [2024-02-07 14:54:13,496 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 15 remaining) [2024-02-07 14:54:13,496 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 15 remaining) [2024-02-07 14:54:13,496 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 15 remaining) [2024-02-07 14:54:13,496 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 15 remaining) [2024-02-07 14:54:13,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-02-07 14:54:13,497 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-02-07 14:54:13,501 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-02-07 14:54:13,502 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-02-07 14:54:13,515 INFO L503 ceAbstractionStarter]: Automizer considered 9 witness invariants [2024-02-07 14:54:13,515 INFO L504 ceAbstractionStarter]: WitnessConsidered=9 [2024-02-07 14:54:13,516 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 02:54:13 BasicIcfg [2024-02-07 14:54:13,516 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-02-07 14:54:13,516 INFO L158 Benchmark]: Toolchain (without parser) took 1999.53ms. Allocated memory is still 199.2MB. Free memory was 126.2MB in the beginning and 127.5MB in the end (delta: -1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 14:54:13,517 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 104.9MB. Free memory is still 67.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 14:54:13,517 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 199.2MB. Free memory is still 129.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 14:54:13,517 INFO L158 Benchmark]: CACSL2BoogieTranslator took 535.03ms. Allocated memory is still 199.2MB. Free memory was 126.0MB in the beginning and 164.6MB in the end (delta: -38.6MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. [2024-02-07 14:54:13,518 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.79ms. Allocated memory is still 199.2MB. Free memory was 164.6MB in the beginning and 161.7MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-07 14:54:13,518 INFO L158 Benchmark]: Boogie Preprocessor took 37.07ms. Allocated memory is still 199.2MB. Free memory was 161.7MB in the beginning and 159.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-07 14:54:13,518 INFO L158 Benchmark]: RCFGBuilder took 572.03ms. Allocated memory is still 199.2MB. Free memory was 159.6MB in the beginning and 116.4MB in the end (delta: 43.3MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-02-07 14:54:13,519 INFO L158 Benchmark]: TraceAbstraction took 798.79ms. Allocated memory is still 199.2MB. Free memory was 115.6MB in the beginning and 127.5MB in the end (delta: -11.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 14:54:13,520 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 104.9MB. Free memory is still 67.3MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.15ms. Allocated memory is still 199.2MB. Free memory is still 129.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 535.03ms. Allocated memory is still 199.2MB. Free memory was 126.0MB in the beginning and 164.6MB in the end (delta: -38.6MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.79ms. Allocated memory is still 199.2MB. Free memory was 164.6MB in the beginning and 161.7MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.07ms. Allocated memory is still 199.2MB. Free memory was 161.7MB in the beginning and 159.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 572.03ms. Allocated memory is still 199.2MB. Free memory was 159.6MB in the beginning and 116.4MB in the end (delta: 43.3MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * TraceAbstraction took 798.79ms. Allocated memory is still 199.2MB. Free memory was 115.6MB in the beginning and 127.5MB in the end (delta: -11.9MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 709]: invariant of correctness witness can be violated invariant of correctness witness can be violated We found a FailurePath: [L696] pthread_mutex_t __global_lock = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L696] pthread_mutex_t __global_lock = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L696] pthread_mutex_t __global_lock = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L696] pthread_mutex_t __global_lock = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L696] pthread_mutex_t __global_lock = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L696] pthread_mutex_t __global_lock = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L697] int global = 0; [L698] pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L698] pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L698] pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L698] pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L698] pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L698] pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L699] pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L699] pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L699] pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L699] pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L699] pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L699] pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L707] int i = __VERIFIER_nondet_int(); [L708] pthread_mutex_t *m = &mutex1; VAL [__global_lock={3:0}, global=0, i=0, m={4:0}, mutex1={4:0}, mutex2={5:0}] [L709] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[m],UnaryExpression[ADDROF,IdentifierExpression[mutex1]]]]] VAL [__global_lock={3:0}, global=0, i=0, m={4:0}, mutex1={4:0}, mutex2={5:0}] [L709] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[m],UnaryExpression[ADDROF,IdentifierExpression[mutex1]]],BinaryExpression[COMPNEQ,IdentifierExpression[i],IntegerLiteral[0]]]]] VAL [__global_lock={3:0}, global=0, i=0, m={4:0}, mutex1={4:0}, mutex2={5:0}] - UnprovableResult [Line: 709]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 710]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 712]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 691]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 714]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 710]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 79 locations, 15 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 61 IncrementalHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 3 mSDtfsCounter, 61 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=133occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 1 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 RESULT: Ultimate proved your program to be incorrect! [2024-02-07 14:54:13,540 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE