./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-lit/sssc12_variant-pthread.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/sssc12_variant-pthread.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7c74aec 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/pthread-lit/sssc12_variant-pthread.i ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/sssc12_variant-pthread.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-wip.fs.fix-undeclared-acsl-variable-e7c74ae-m [2024-02-07 19:05:10,956 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 19:05:11,038 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 19:05:11,043 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 19:05:11,044 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 19:05:11,068 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 19:05:11,069 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 19:05:11,069 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 19:05:11,070 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 19:05:11,073 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 19:05:11,074 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 19:05:11,074 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 19:05:11,075 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 19:05:11,076 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 19:05:11,076 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 19:05:11,076 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 19:05:11,077 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 19:05:11,077 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 19:05:11,077 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 19:05:11,077 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 19:05:11,077 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 19:05:11,078 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 19:05:11,078 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 19:05:11,078 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 19:05:11,078 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 19:05:11,079 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 19:05:11,079 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 19:05:11,079 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 19:05:11,080 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 19:05:11,080 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 19:05:11,081 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 19:05:11,081 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 19:05:11,081 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 19:05:11,081 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 19:05:11,081 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 19:05:11,082 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 19:05:11,082 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 19:05:11,082 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 19:05:11,082 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 19:05:11,082 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 19:05:11,082 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 19:05:11,083 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 19:05:11,083 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 19:05:11,083 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 19:05:11,290 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 19:05:11,313 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 19:05:11,315 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 19:05:11,316 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 19:05:11,316 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 19:05:11,318 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-lit/sssc12_variant-pthread.i [2024-02-07 19:05:12,410 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 19:05:12,680 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 19:05:12,680 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/sssc12_variant-pthread.i [2024-02-07 19:05:12,699 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/692b70f35/e8b5986c990f4996a7273431f05306b7/FLAG3d8eb6725 [2024-02-07 19:05:12,718 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/692b70f35/e8b5986c990f4996a7273431f05306b7 [2024-02-07 19:05:12,720 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 19:05:12,721 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 19:05:12,723 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/sssc12_variant-pthread.yml/witness.yml [2024-02-07 19:05:12,830 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 19:05:12,831 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 19:05:12,832 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 19:05:12,832 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 19:05:12,836 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 19:05:12,837 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:05:12" (1/2) ... [2024-02-07 19:05:12,838 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e422a8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:05:12, skipping insertion in model container [2024-02-07 19:05:12,838 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:05:12" (1/2) ... [2024-02-07 19:05:12,839 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3f533cd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:05:12, skipping insertion in model container [2024-02-07 19:05:12,839 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:05:12" (2/2) ... [2024-02-07 19:05:12,840 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e422a8b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:05:12, skipping insertion in model container [2024-02-07 19:05:12,840 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:05:12" (2/2) ... [2024-02-07 19:05:12,840 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 19:05:12,923 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 19:05:12,924 INFO L76 edCorrectnessWitness]: Location invariant before [L1038-L1038] ((((4294967296LL + (long long )c) + (long long )end >= 0LL) && ((4294967295LL - (long long )c) + (long long )end >= 0LL)) && ((4294967295LL + (long long )c) - (long long )end >= 0LL)) && ((4294967294LL - (long long )c) - (long long )end >= 0LL) [2024-02-07 19:05:12,924 INFO L76 edCorrectnessWitness]: Location invariant before [L1043-L1043] ((c <= 2147483637) && ((int )next <= 2147483637)) && (0 == end) [2024-02-07 19:05:12,924 INFO L76 edCorrectnessWitness]: Location invariant before [L1041-L1041] ((((((((0LL - (long long )c) + (long long )end >= 0LL) && ((long long )c + (long long )end >= 0LL)) && ((0LL - (long long )c) - (long long )end >= 0LL)) && ((long long )c - (long long )end >= 0LL)) && (0 == c)) && (0 == end)) && (c == end)) && (end == 0) [2024-02-07 19:05:12,924 INFO L76 edCorrectnessWitness]: Location invariant before [L1047-L1047] ((-1LL - (long long )c) + (long long )end >= 0LL) && (((((((-2147483642 <= c && c <= 2147483646) || (-2147483643 <= c && c <= 2147483642)) || (-2147483644 <= c && c <= 2147483641)) || (-2147483645 <= c && c <= 2147483640)) || (-2147483646 <= c && c <= 2147483639)) || (-2147483647 <= c && c <= 2147483638)) || c <= 2147483637) [2024-02-07 19:05:12,924 INFO L76 edCorrectnessWitness]: Location invariant before [L1049-L1049] ((-1LL - (long long )c) + (long long )end >= 0LL) && (((((((-2147483642 <= c && c <= 2147483646) || (-2147483643 <= c && c <= 2147483642)) || (-2147483644 <= c && c <= 2147483641)) || (-2147483645 <= c && c <= 2147483640)) || (-2147483646 <= c && c <= 2147483639)) || (-2147483647 <= c && c <= 2147483638)) || c <= 2147483637) [2024-02-07 19:05:12,925 INFO L76 edCorrectnessWitness]: Location invariant before [L1050-L1050] ((-1LL - (long long )c) + (long long )end >= 0LL) && (((((((-2147483642 <= c && c <= 2147483646) || (-2147483643 <= c && c <= 2147483642)) || (-2147483644 <= c && c <= 2147483641)) || (-2147483645 <= c && c <= 2147483640)) || (-2147483646 <= c && c <= 2147483639)) || (-2147483647 <= c && c <= 2147483638)) || c <= 2147483637) [2024-02-07 19:05:12,925 INFO L76 edCorrectnessWitness]: Location invariant before [L1039-L1039] ((((((2147483648LL + (long long )c) + (long long )end >= 0LL) && ((2147483648LL - (long long )c) + (long long )end >= 0LL)) && ((2147483647LL + (long long )c) - (long long )end >= 0LL)) && ((2147483647LL - (long long )c) - (long long )end >= 0LL)) && (0 == c)) && (c == 0) [2024-02-07 19:05:12,925 INFO L76 edCorrectnessWitness]: Location invariant before [L1040-L1040] ((((((((0LL - (long long )c) + (long long )end >= 0LL) && ((long long )c + (long long )end >= 0LL)) && ((0LL - (long long )c) - (long long )end >= 0LL)) && ((long long )c - (long long )end >= 0LL)) && (0 == c)) && (0 == end)) && (c == end)) && (end == 0) [2024-02-07 19:05:12,925 INFO L76 edCorrectnessWitness]: Location invariant before [L1052-L1052] (long long )c - (long long )end >= 0LL [2024-02-07 19:05:12,925 INFO L76 edCorrectnessWitness]: Location invariant before [L1042-L1042] ((((((((int )next <= 2147483637) && ((0LL - (long long )c) + (long long )end >= 0LL)) && ((long long )c + (long long )end >= 0LL)) && ((0LL - (long long )c) - (long long )end >= 0LL)) && ((long long )c - (long long )end >= 0LL)) && (0 == c)) && (0 == end)) && (c == end) [2024-02-07 19:05:12,925 INFO L76 edCorrectnessWitness]: Location invariant before [L1048-L1048] ((-1LL - (long long )c) + (long long )end >= 0LL) && (((((((-2147483642 <= c && c <= 2147483646) || (-2147483643 <= c && c <= 2147483642)) || (-2147483644 <= c && c <= 2147483641)) || (-2147483645 <= c && c <= 2147483640)) || (-2147483646 <= c && c <= 2147483639)) || (-2147483647 <= c && c <= 2147483638)) || c <= 2147483637) [2024-02-07 19:05:13,000 INFO L181 MainTranslator]: Built tables and reachable declarations [2024-02-07 19:05:13,390 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/sssc12_variant-pthread.i[47777,47790] [2024-02-07 19:05:13,409 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-07 19:05:13,421 INFO L206 MainTranslator]: Completed pre-run [2024-02-07 19:05:13,461 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/sssc12_variant-pthread.i[47777,47790] 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 Start Parsing Local Start Parsing Local [2024-02-07 19:05:13,518 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-07 19:05:13,563 INFO L211 MainTranslator]: Completed translation [2024-02-07 19:05:13,564 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:05:13 WrapperNode [2024-02-07 19:05:13,564 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 19:05:13,565 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-07 19:05:13,566 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-07 19:05:13,566 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-07 19:05:13,571 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 07:05:13" (1/1) ... [2024-02-07 19:05:13,584 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 07:05:13" (1/1) ... [2024-02-07 19:05:13,608 INFO L138 Inliner]: procedures = 273, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 92 [2024-02-07 19:05:13,609 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-07 19:05:13,610 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-07 19:05:13,610 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-07 19:05:13,610 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-07 19:05:13,619 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 07:05:13" (1/1) ... [2024-02-07 19:05:13,620 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 07:05:13" (1/1) ... [2024-02-07 19:05:13,630 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 07:05:13" (1/1) ... [2024-02-07 19:05:13,653 INFO L175 MemorySlicer]: Split 11 memory accesses to 4 slices as follows [2, 5, 1, 3]. 45 percent of accesses are in the largest equivalence class. The 7 initializations are split as follows [2, 5, 0, 0]. The 3 writes are split as follows [0, 0, 1, 2]. [2024-02-07 19:05:13,654 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 07:05:13" (1/1) ... [2024-02-07 19:05:13,654 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 07:05:13" (1/1) ... [2024-02-07 19:05:13,708 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 07:05:13" (1/1) ... [2024-02-07 19:05:13,713 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 07:05:13" (1/1) ... [2024-02-07 19:05:13,715 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 07:05:13" (1/1) ... [2024-02-07 19:05:13,716 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 07:05:13" (1/1) ... [2024-02-07 19:05:13,721 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-07 19:05:13,723 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-07 19:05:13,723 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-07 19:05:13,723 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-07 19:05:13,739 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 07:05:13" (1/1) ... [2024-02-07 19:05:13,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 19:05:13,756 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-07 19:05:13,775 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 19:05:13,779 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 19:05:13,810 INFO L130 BoogieDeclarations]: Found specification of procedure thr [2024-02-07 19:05:13,811 INFO L138 BoogieDeclarations]: Found implementation of procedure thr [2024-02-07 19:05:13,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-07 19:05:13,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-07 19:05:13,811 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-02-07 19:05:13,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-02-07 19:05:13,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-02-07 19:05:13,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-02-07 19:05:13,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-02-07 19:05:13,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-07 19:05:13,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-07 19:05:13,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-07 19:05:13,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-07 19:05:13,816 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-02-07 19:05:13,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-02-07 19:05:13,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-07 19:05:13,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-07 19:05:13,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-07 19:05:13,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-07 19:05:13,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-07 19:05:13,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-07 19:05:13,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-07 19:05:13,820 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 19:05:14,011 INFO L244 CfgBuilder]: Building ICFG [2024-02-07 19:05:14,013 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-07 19:05:14,429 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-07 19:05:14,429 INFO L293 CfgBuilder]: Performing block encoding [2024-02-07 19:05:14,644 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-07 19:05:14,644 INFO L320 CfgBuilder]: Removed 2 assume(true) statements. [2024-02-07 19:05:14,644 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 07:05:14 BoogieIcfgContainer [2024-02-07 19:05:14,644 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-07 19:05:14,646 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-07 19:05:14,646 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-07 19:05:14,652 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-07 19:05:14,652 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 07:05:12" (1/4) ... [2024-02-07 19:05:14,654 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67bdd2b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 07:05:14, skipping insertion in model container [2024-02-07 19:05:14,654 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:05:12" (2/4) ... [2024-02-07 19:05:14,654 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67bdd2b1 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 07:05:14, skipping insertion in model container [2024-02-07 19:05:14,654 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 07:05:13" (3/4) ... [2024-02-07 19:05:14,655 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67bdd2b1 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 07:05:14, skipping insertion in model container [2024-02-07 19:05:14,655 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 07:05:14" (4/4) ... [2024-02-07 19:05:14,656 INFO L112 eAbstractionObserver]: Analyzing ICFG sssc12_variant-pthread.i [2024-02-07 19:05:14,685 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-07 19:05:14,698 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2024-02-07 19:05:14,699 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-07 19:05:14,802 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-02-07 19:05:14,872 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 42 places, 42 transitions, 88 flow [2024-02-07 19:05:14,915 INFO L124 PetriNetUnfolderBase]: 3/44 cut-off events. [2024-02-07 19:05:14,915 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 19:05:14,953 INFO L83 FinitePrefix]: Finished finitePrefix Result has 48 conditions, 44 events. 3/44 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 52 event pairs, 0 based on Foata normal form. 0/27 useless extension candidates. Maximal degree in co-relation 39. Up to 2 conditions per place. [2024-02-07 19:05:14,954 INFO L82 GeneralOperation]: Start removeDead. Operand has 42 places, 42 transitions, 88 flow [2024-02-07 19:05:14,958 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 42 places, 42 transitions, 88 flow [2024-02-07 19:05:14,971 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 19:05:15,010 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;@603aff5d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 19:05:15,010 INFO L358 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2024-02-07 19:05:15,016 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 19:05:15,016 INFO L124 PetriNetUnfolderBase]: 0/6 cut-off events. [2024-02-07 19:05:15,016 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 19:05:15,016 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:05:15,017 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-02-07 19:05:15,017 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thrErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONWITNESS_INVARIANT, thrErr1ASSERT_VIOLATIONWITNESS_INVARIANT (and 22 more)] === [2024-02-07 19:05:15,024 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:05:15,024 INFO L85 PathProgramCache]: Analyzing trace with hash 267370053, now seen corresponding path program 1 times [2024-02-07 19:05:15,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:05:15,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976778131] [2024-02-07 19:05:15,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:05:15,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:05:15,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 19:05:15,264 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-07 19:05:15,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 19:05:15,331 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-07 19:05:15,333 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-02-07 19:05:15,334 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location thrErr0ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 25 remaining) [2024-02-07 19:05:15,336 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 25 remaining) [2024-02-07 19:05:15,336 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 25 remaining) [2024-02-07 19:05:15,336 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 25 remaining) [2024-02-07 19:05:15,337 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 25 remaining) [2024-02-07 19:05:15,337 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 25 remaining) [2024-02-07 19:05:15,337 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 25 remaining) [2024-02-07 19:05:15,337 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 25 remaining) [2024-02-07 19:05:15,338 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr6ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 25 remaining) [2024-02-07 19:05:15,338 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr11ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 25 remaining) [2024-02-07 19:05:15,338 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr7ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 25 remaining) [2024-02-07 19:05:15,339 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr8ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 25 remaining) [2024-02-07 19:05:15,339 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr9ASSERT_VIOLATIONERROR_FUNCTION (12 of 25 remaining) [2024-02-07 19:05:15,339 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr10ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 25 remaining) [2024-02-07 19:05:15,339 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 25 remaining) [2024-02-07 19:05:15,340 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 25 remaining) [2024-02-07 19:05:15,340 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 25 remaining) [2024-02-07 19:05:15,340 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 25 remaining) [2024-02-07 19:05:15,340 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 25 remaining) [2024-02-07 19:05:15,341 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr6ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 25 remaining) [2024-02-07 19:05:15,341 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr11ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 25 remaining) [2024-02-07 19:05:15,342 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr7ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 25 remaining) [2024-02-07 19:05:15,342 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr8ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 25 remaining) [2024-02-07 19:05:15,342 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr9ASSERT_VIOLATIONERROR_FUNCTION (1 of 25 remaining) [2024-02-07 19:05:15,343 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr10ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 25 remaining) [2024-02-07 19:05:15,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-07 19:05:15,344 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-02-07 19:05:15,351 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-02-07 19:05:15,351 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-02-07 19:05:15,375 INFO L503 ceAbstractionStarter]: Automizer considered 11 witness invariants [2024-02-07 19:05:15,376 INFO L504 ceAbstractionStarter]: WitnessConsidered=11 [2024-02-07 19:05:15,377 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 07:05:15 BasicIcfg [2024-02-07 19:05:15,377 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-02-07 19:05:15,378 INFO L158 Benchmark]: Toolchain (without parser) took 2546.96ms. Allocated memory was 167.8MB in the beginning and 243.3MB in the end (delta: 75.5MB). Free memory was 88.3MB in the beginning and 194.5MB in the end (delta: -106.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 19:05:15,379 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 167.8MB. Free memory is still 121.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 19:05:15,379 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 167.8MB. Free memory is still 92.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 19:05:15,380 INFO L158 Benchmark]: CACSL2BoogieTranslator took 732.12ms. Allocated memory is still 167.8MB. Free memory was 88.0MB in the beginning and 111.5MB in the end (delta: -23.6MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2024-02-07 19:05:15,381 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.58ms. Allocated memory is still 167.8MB. Free memory was 111.5MB in the beginning and 108.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-07 19:05:15,381 INFO L158 Benchmark]: Boogie Preprocessor took 112.64ms. Allocated memory is still 167.8MB. Free memory was 108.4MB in the beginning and 106.1MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-02-07 19:05:15,383 INFO L158 Benchmark]: RCFGBuilder took 921.53ms. Allocated memory is still 167.8MB. Free memory was 106.1MB in the beginning and 68.6MB in the end (delta: 37.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-02-07 19:05:15,384 INFO L158 Benchmark]: TraceAbstraction took 731.17ms. Allocated memory was 167.8MB in the beginning and 243.3MB in the end (delta: 75.5MB). Free memory was 67.5MB in the beginning and 194.5MB in the end (delta: -127.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 19:05:15,388 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 167.8MB. Free memory is still 121.3MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.15ms. Allocated memory is still 167.8MB. Free memory is still 92.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 732.12ms. Allocated memory is still 167.8MB. Free memory was 88.0MB in the beginning and 111.5MB in the end (delta: -23.6MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.58ms. Allocated memory is still 167.8MB. Free memory was 111.5MB in the beginning and 108.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 112.64ms. Allocated memory is still 167.8MB. Free memory was 108.4MB in the beginning and 106.1MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 921.53ms. Allocated memory is still 167.8MB. Free memory was 106.1MB in the beginning and 68.6MB in the end (delta: 37.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * TraceAbstraction took 731.17ms. Allocated memory was 167.8MB in the beginning and 243.3MB in the end (delta: 75.5MB). Free memory was 67.5MB in the beginning and 194.5MB in the end (delta: -127.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1038]: invariant of correctness witness can be violated invariant of correctness witness can be violated We found a FailurePath: [L1032] 0 int *data; [L1033] 0 volatile int len; [L1034] 0 volatile int next; [L1035] 0 pthread_mutex_t lock = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L1035] 0 pthread_mutex_t lock = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L1035] 0 pthread_mutex_t lock = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L1035] 0 pthread_mutex_t lock = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L1035] 0 pthread_mutex_t lock = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L1035] 0 pthread_mutex_t lock = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L1055] 0 pthread_t t; [L1056] 0 next = 0 [L1057] 0 len = __VERIFIER_nondet_int() [L1058] CALL 0 assume_abort_if_not(len > 0 && len < 4294967296 / sizeof(int)) [L1021] COND FALSE 0 !(!cond) [L1058] RET 0 assume_abort_if_not(len > 0 && len < 4294967296 / sizeof(int)) [L1059] 0 data = malloc(sizeof(int) * len) [L1060] COND TRUE 0 1 [L1061] FCALL, FORK 0 pthread_create(&t, 0, thr, 0) VAL [\old(argc)=4294967297, argc=4294967297, argv={4294967298:4294967299}, data={-2:0}, len=5, lock={3:0}, next=0, t={5:0}] [L1037] 1 int c, end; VAL [arg={0:0}, arg={0:0}, data={-2:0}, len=5, lock={3:0}, next=0] [L1038] 1 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHPLUS,IntegerLiteral[4294967296LL],CastExpression[ACSLType[long long],IdentifierExpression[c]]],CastExpression[ACSLType[long long],IdentifierExpression[end]]],IntegerLiteral[0LL]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHMINUS,IntegerLiteral[4294967295LL],CastExpression[ACSLType[long long],IdentifierExpression[c]]],CastExpression[ACSLType[long long],IdentifierExpression[end]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,BinaryExpression[ARITHPLUS,IntegerLiteral[4294967295LL],CastExpression[ACSLType[long long],IdentifierExpression[c]]],CastExpression[ACSLType[long long],IdentifierExpression[end]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,BinaryExpression[ARITHMINUS,IntegerLiteral[4294967294LL],CastExpression[ACSLType[long long],IdentifierExpression[c]]],CastExpression[ACSLType[long long],IdentifierExpression[end]]],IntegerLiteral[0LL]]]]] VAL [arg={0:0}, arg={0:0}, c=4294967296, data={-2:0}, end=-1, len=5, lock={3:0}, next=0] - UnprovableResult [Line: 1061]: 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: 1039]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1040]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1041]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1042]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1043]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1047]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1052]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1048]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1049]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1025]: 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: 1050]: 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, 74 locations, 25 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: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=88occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 19:05:15,421 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, 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