./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.2023-12-19_14-39-08.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 59af5db6 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.2023-12-19_14-39-08.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-59af5db-m [2024-02-02 09:36:33,919 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-02 09:36:34,019 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-02 09:36:34,024 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-02 09:36:34,025 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-02 09:36:34,069 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-02 09:36:34,070 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-02 09:36:34,070 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-02 09:36:34,071 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-02 09:36:34,074 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-02 09:36:34,082 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-02 09:36:34,083 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-02 09:36:34,084 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-02 09:36:34,085 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-02 09:36:34,085 INFO L153 SettingsManager]: * Use SBE=true [2024-02-02 09:36:34,086 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-02 09:36:34,086 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-02 09:36:34,086 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-02 09:36:34,086 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-02 09:36:34,086 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-02 09:36:34,087 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-02 09:36:34,088 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-02 09:36:34,088 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-02 09:36:34,088 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-02 09:36:34,089 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-02 09:36:34,089 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-02 09:36:34,089 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-02 09:36:34,089 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-02 09:36:34,090 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-02 09:36:34,090 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-02 09:36:34,091 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-02 09:36:34,091 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-02 09:36:34,091 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-02 09:36:34,091 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-02 09:36:34,092 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-02 09:36:34,092 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-02 09:36:34,092 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-02 09:36:34,092 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-02 09:36:34,092 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-02 09:36:34,092 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-02 09:36:34,093 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-02 09:36:34,093 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-02 09:36:34,093 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-02 09:36:34,093 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-02 09:36:34,336 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-02 09:36:34,360 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-02 09:36:34,363 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-02 09:36:34,363 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-02 09:36:34,364 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-02 09:36:34,365 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/28-race_reach_24-sound_lock_racing.yml/witness.yml [2024-02-02 09:36:34,496 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-02 09:36:34,504 INFO L274 PluginConnector]: CDTParser initialized [2024-02-02 09:36:34,505 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_24-sound_lock_racing.i [2024-02-02 09:36:35,596 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-02 09:36:35,877 INFO L384 CDTParser]: Found 1 translation units. [2024-02-02 09:36:35,878 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_24-sound_lock_racing.i [2024-02-02 09:36:35,890 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7522e537/2f283a50c9be4876af397d3d8fb80ebb/FLAGc14d2b1d0 [2024-02-02 09:36:35,903 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7522e537/2f283a50c9be4876af397d3d8fb80ebb [2024-02-02 09:36:35,904 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-02 09:36:35,905 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-02 09:36:35,907 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-02 09:36:35,907 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-02 09:36:35,911 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-02 09:36:35,912 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 02.02 09:36:34" (1/2) ... [2024-02-02 09:36:35,913 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3716f14b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:36:35, skipping insertion in model container [2024-02-02 09:36:35,913 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 02.02 09:36:34" (1/2) ... [2024-02-02 09:36:35,915 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@140a194b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:36:35, skipping insertion in model container [2024-02-02 09:36:35,915 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 09:36:35" (2/2) ... [2024-02-02 09:36:35,916 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3716f14b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:36:35, skipping insertion in model container [2024-02-02 09:36:35,916 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 09:36:35" (2/2) ... [2024-02-02 09:36:35,917 INFO L86 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-02 09:36:35,975 INFO L99 nessWitnessExtractor]: Found the following entries in the witness: [2024-02-02 09:36:35,976 INFO L101 nessWitnessExtractor]: Location invariant before [L707-L707] global == 0 [2024-02-02 09:36:35,976 INFO L101 nessWitnessExtractor]: Loop invariant at [L710-L710] (m == & mutex2 || m == & mutex1) && (((((((((((((((((((((((((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) || i == 4) || i == 3) || i == 2) || i == 1) || ((0 == i && global == 0) && i == 0)) || (25 <= i && i <= 10000)) || i == 24) || i == 23) || i == 22) || i == 21) || i == 20) [2024-02-02 09:36:35,976 INFO L101 nessWitnessExtractor]: Location invariant before [L710-L710] (m == & mutex2 || m == & mutex1) && (((((((((((((((((((((((((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 && global == 0) && i == 0)) || (25 <= i && i <= 9999)) || i == 24) || i == 23) || i == 22) || i == 21) || i == 20) || i == 19) [2024-02-02 09:36:35,977 INFO L101 nessWitnessExtractor]: Loop invariant at [L712-L712] (i == 10000) && (m == & mutex2 || m == & mutex1) [2024-02-02 09:36:35,977 INFO L101 nessWitnessExtractor]: Location invariant before [L712-L712] (((((((0 <= global) && (i == 10000)) && (m == & mutex2 || m == & mutex1)) && (i == 10000)) && (m == & mutex2 || m == & mutex1)) && (0 <= global)) && (i == 10000)) && (m == & mutex2 || m == & mutex1) [2024-02-02 09:36:35,977 INFO L101 nessWitnessExtractor]: Location invariant before [L22-L22] global == 0 [2024-02-02 09:36:35,977 INFO L101 nessWitnessExtractor]: Location invariant before [L701-L701] (unsigned long )arg == 0UL [2024-02-02 09:36:35,977 INFO L101 nessWitnessExtractor]: Location invariant before [L714-L714] ((i == 10000) && (m == & mutex2 || m == & mutex1)) && (((((((((((((((((((((((((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) [2024-02-02 09:36:35,977 INFO L101 nessWitnessExtractor]: Loop invariant at [L714-L714] ((i == 10000) && (m == & mutex2 || m == & mutex1)) && (((((((((((((((((((((((((i == 4 || i == 3) || i == 2) || i == 1) || (0 == i && i == 0)) || (25 <= i && i <= 10000)) || 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) [2024-02-02 09:36:35,977 INFO L101 nessWitnessExtractor]: Location invariant before [L691-L691] ((0 <= global) && (0 <= global)) && (0 <= global) [2024-02-02 09:36:35,977 INFO L101 nessWitnessExtractor]: Location invariant before [L702-L702] ((((((((((((1 <= global) && ((unsigned long )arg == 0UL)) && (1 <= global)) && ((unsigned long )arg == 0UL)) && (0 <= global)) && ((unsigned long )arg == 0UL)) && (0 <= global)) && (global <= 2147483646)) && ((unsigned long )arg == 0UL)) && (1 <= global)) && ((unsigned long )arg == 0UL)) && (0 <= global)) && ((unsigned long )arg == 0UL) [2024-02-02 09:36:35,978 INFO L101 nessWitnessExtractor]: Loop invariant at [L702-L702] (((0 <= global) && ((unsigned long )arg == 0UL)) && (1 <= global)) && ((unsigned long )arg == 0UL) [2024-02-02 09:36:35,978 INFO L101 nessWitnessExtractor]: Location invariant before [L703-L703] ((0 <= global) && (global <= 2147483646)) && ((unsigned long )arg == 0UL) [2024-02-02 09:36:35,978 INFO L101 nessWitnessExtractor]: Location invariant before [L710-L710] (m == & mutex2 || m == & mutex1) && (((((((((((((((((((((((((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 && global == 0) && i == 0)) || (25 <= i && i <= 9999)) || i == 24) || i == 23) || i == 22) || i == 21) || i == 20) || i == 19) [2024-02-02 09:36:35,978 INFO L101 nessWitnessExtractor]: Loop invariant at [L710-L710] (m == & mutex2 || m == & mutex1) && (((((((((((((((((((((((((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) || i == 4) || i == 3) || i == 2) || i == 1) || ((0 == i && global == 0) && i == 0)) || (25 <= i && i <= 10000)) || i == 24) || i == 23) || i == 22) || i == 21) || i == 20) [2024-02-02 09:36:35,978 INFO L101 nessWitnessExtractor]: Location invariant before [L709-L709] ((((global == 0) && (m == & mutex1)) && (i != 0)) && (global == 0)) && (m == & mutex1) [2024-02-02 09:36:35,978 INFO L101 nessWitnessExtractor]: Location invariant before [L715-L715] ((i == 10000) && (i == 10000)) && (m == & mutex2 || m == & mutex1) [2024-02-02 09:36:35,978 INFO L101 nessWitnessExtractor]: Location invariant before [L711-L711] (i == 10000) && (m == & mutex2 || m == & mutex1) [2024-02-02 09:36:35,978 INFO L101 nessWitnessExtractor]: Location invariant before [L704-L704] (unsigned long )arg == 0UL [2024-02-02 09:36:35,979 INFO L101 nessWitnessExtractor]: Location invariant before [L713-L713] (i == 10000) && (m == & mutex2 || m == & mutex1) [2024-02-02 09:36:35,979 INFO L101 nessWitnessExtractor]: Location invariant before [L708-L708] global == 0 [2024-02-02 09:36:36,024 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-02-02 09:36:36,305 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] [2024-02-02 09:36:36,351 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-02 09:36:36,367 INFO L202 MainTranslator]: Completed pre-run [2024-02-02 09:36:36,375 WARN L424 MainDispatcher]: Unable to annotate typedef long long int __intmax_t; with a witness entry [2024-02-02 09:36:36,394 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] [2024-02-02 09:36:36,395 WARN L424 MainDispatcher]: Unable to annotate void __VERIFIER_assert(int cond) { if(!(cond)) { ERROR: {reach_error();abort();} } } with a witness entry 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 Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-02-02 09:36:36,527 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-02 09:36:36,570 INFO L206 MainTranslator]: Completed translation [2024-02-02 09:36:36,571 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:36:36 WrapperNode [2024-02-02 09:36:36,571 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-02 09:36:36,572 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-02 09:36:36,572 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-02 09:36:36,572 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-02 09:36:36,578 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:36:36" (1/1) ... [2024-02-02 09:36:36,603 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:36:36" (1/1) ... [2024-02-02 09:36:36,640 INFO L138 Inliner]: procedures = 171, calls = 41, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 104 [2024-02-02 09:36:36,640 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-02 09:36:36,641 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-02 09:36:36,641 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-02 09:36:36,641 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-02 09:36:36,650 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:36:36" (1/1) ... [2024-02-02 09:36:36,650 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:36:36" (1/1) ... [2024-02-02 09:36:36,667 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:36:36" (1/1) ... [2024-02-02 09:36:36,684 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]. [2024-02-02 09:36:36,686 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:36:36" (1/1) ... [2024-02-02 09:36:36,686 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:36:36" (1/1) ... [2024-02-02 09:36:36,701 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:36:36" (1/1) ... [2024-02-02 09:36:36,710 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:36:36" (1/1) ... [2024-02-02 09:36:36,712 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:36:36" (1/1) ... [2024-02-02 09:36:36,718 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:36:36" (1/1) ... [2024-02-02 09:36:36,721 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-02 09:36:36,726 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-02 09:36:36,726 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-02 09:36:36,726 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-02 09:36:36,727 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:36:36" (1/1) ... [2024-02-02 09:36:36,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-02 09:36:36,738 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-02 09:36:36,768 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) [2024-02-02 09:36:36,777 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 [2024-02-02 09:36:36,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-02-02 09:36:36,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-02-02 09:36:36,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-02-02 09:36:36,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-02-02 09:36:36,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-02 09:36:36,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-02 09:36:36,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-02 09:36:36,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-02 09:36:36,802 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-02-02 09:36:36,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-02 09:36:36,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-02 09:36:36,803 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-02-02 09:36:36,803 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-02-02 09:36:36,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-02 09:36:36,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-02 09:36:36,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-02 09:36:36,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-02 09:36:36,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-02 09:36:36,804 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-02-02 09:36:36,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-02 09:36:36,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-02 09:36:36,805 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-02 09:36:36,926 INFO L244 CfgBuilder]: Building ICFG [2024-02-02 09:36:36,927 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-02 09:36:37,232 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-02 09:36:37,232 INFO L293 CfgBuilder]: Performing block encoding [2024-02-02 09:36:37,370 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-02 09:36:37,370 INFO L320 CfgBuilder]: Removed 10 assume(true) statements. [2024-02-02 09:36:37,371 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 09:36:37 BoogieIcfgContainer [2024-02-02 09:36:37,371 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-02 09:36:37,374 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-02 09:36:37,374 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-02 09:36:37,376 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-02 09:36:37,377 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 02.02 09:36:34" (1/4) ... [2024-02-02 09:36:37,378 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5209194c and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 02.02 09:36:37, skipping insertion in model container [2024-02-02 09:36:37,378 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.02 09:36:35" (2/4) ... [2024-02-02 09:36:37,378 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5209194c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 09:36:37, skipping insertion in model container [2024-02-02 09:36:37,378 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:36:36" (3/4) ... [2024-02-02 09:36:37,379 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5209194c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 09:36:37, skipping insertion in model container [2024-02-02 09:36:37,379 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 09:36:37" (4/4) ... [2024-02-02 09:36:37,380 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_24-sound_lock_racing.i [2024-02-02 09:36:37,394 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-02 09:36:37,394 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 21 error locations. [2024-02-02 09:36:37,395 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-02 09:36:37,458 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-02-02 09:36:37,494 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 82 places, 89 transitions, 185 flow [2024-02-02 09:36:37,541 INFO L124 PetriNetUnfolderBase]: 13/125 cut-off events. [2024-02-02 09:36:37,541 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-02-02 09:36:37,554 INFO L83 FinitePrefix]: Finished finitePrefix Result has 130 conditions, 125 events. 13/125 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 440 event pairs, 0 based on Foata normal form. 0/79 useless extension candidates. Maximal degree in co-relation 72. Up to 4 conditions per place. [2024-02-02 09:36:37,555 INFO L82 GeneralOperation]: Start removeDead. Operand has 82 places, 89 transitions, 185 flow [2024-02-02 09:36:37,558 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 82 places, 89 transitions, 185 flow [2024-02-02 09:36:37,564 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-02 09:36:37,569 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;@384605d4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-02 09:36:37,570 INFO L358 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2024-02-02 09:36:37,572 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-02 09:36:37,573 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-02-02 09:36:37,574 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-02 09:36:37,574 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-02 09:36:37,575 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-02-02 09:36:37,575 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 25 more)] === [2024-02-02 09:36:37,579 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-02 09:36:37,581 INFO L85 PathProgramCache]: Analyzing trace with hash 12493, now seen corresponding path program 1 times [2024-02-02 09:36:37,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-02 09:36:37,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432289317] [2024-02-02 09:36:37,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-02 09:36:37,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-02 09:36:37,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-02 09:36:37,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-02 09:36:37,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-02 09:36:37,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432289317] [2024-02-02 09:36:37,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432289317] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-02 09:36:37,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-02 09:36:37,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-02 09:36:37,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551723793] [2024-02-02 09:36:37,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-02 09:36:37,860 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-02 09:36:37,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-02 09:36:37,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-02 09:36:37,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-02 09:36:37,926 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 45 out of 89 [2024-02-02 09:36:37,930 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 89 transitions, 185 flow. Second operand has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 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) [2024-02-02 09:36:37,932 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-02 09:36:37,933 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 45 of 89 [2024-02-02 09:36:37,933 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-02 09:36:38,006 INFO L124 PetriNetUnfolderBase]: 9/101 cut-off events. [2024-02-02 09:36:38,006 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-02 09:36:38,007 INFO L83 FinitePrefix]: Finished finitePrefix Result has 148 conditions, 101 events. 9/101 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 311 event pairs, 9 based on Foata normal form. 18/96 useless extension candidates. Maximal degree in co-relation 93. Up to 42 conditions per place. [2024-02-02 09:36:38,009 INFO L140 encePairwiseOnDemand]: 81/89 looper letters, 15 selfloop transitions, 1 changer transitions 0/42 dead transitions. [2024-02-02 09:36:38,009 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 42 transitions, 120 flow [2024-02-02 09:36:38,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-02 09:36:38,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-02 09:36:38,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 158 transitions. [2024-02-02 09:36:38,021 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5917602996254682 [2024-02-02 09:36:38,023 INFO L175 Difference]: Start difference. First operand has 82 places, 89 transitions, 185 flow. Second operand 3 states and 158 transitions. [2024-02-02 09:36:38,024 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 42 transitions, 120 flow [2024-02-02 09:36:38,028 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 42 transitions, 120 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-02-02 09:36:38,030 INFO L231 Difference]: Finished difference. Result has 47 places, 42 transitions, 90 flow [2024-02-02 09:36:38,032 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=89, PETRI_DIFFERENCE_MINUEND_FLOW=88, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=90, PETRI_PLACES=47, PETRI_TRANSITIONS=42} [2024-02-02 09:36:38,035 INFO L281 CegarLoopForPetriNet]: 82 programPoint places, -35 predicate places. [2024-02-02 09:36:38,035 INFO L495 AbstractCegarLoop]: Abstraction has has 47 places, 42 transitions, 90 flow [2024-02-02 09:36:38,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 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) [2024-02-02 09:36:38,036 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-02 09:36:38,036 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-02-02 09:36:38,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-02 09:36:38,037 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 25 more)] === [2024-02-02 09:36:38,039 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-02 09:36:38,039 INFO L85 PathProgramCache]: Analyzing trace with hash 12017785, now seen corresponding path program 1 times [2024-02-02 09:36:38,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-02 09:36:38,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628841660] [2024-02-02 09:36:38,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-02 09:36:38,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-02 09:36:38,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-02 09:36:38,072 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-02 09:36:38,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-02 09:36:38,108 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-02 09:36:38,108 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-02-02 09:36:38,110 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 28 remaining) [2024-02-02 09:36:38,112 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 28 remaining) [2024-02-02 09:36:38,113 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 28 remaining) [2024-02-02 09:36:38,113 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 28 remaining) [2024-02-02 09:36:38,115 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 28 remaining) [2024-02-02 09:36:38,115 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 28 remaining) [2024-02-02 09:36:38,115 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 28 remaining) [2024-02-02 09:36:38,116 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 28 remaining) [2024-02-02 09:36:38,120 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 28 remaining) [2024-02-02 09:36:38,120 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION (18 of 28 remaining) [2024-02-02 09:36:38,121 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 28 remaining) [2024-02-02 09:36:38,121 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 28 remaining) [2024-02-02 09:36:38,121 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 28 remaining) [2024-02-02 09:36:38,121 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 28 remaining) [2024-02-02 09:36:38,121 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 28 remaining) [2024-02-02 09:36:38,122 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 28 remaining) [2024-02-02 09:36:38,122 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 28 remaining) [2024-02-02 09:36:38,122 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 28 remaining) [2024-02-02 09:36:38,122 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 28 remaining) [2024-02-02 09:36:38,123 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 28 remaining) [2024-02-02 09:36:38,123 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr5ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 28 remaining) [2024-02-02 09:36:38,127 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 28 remaining) [2024-02-02 09:36:38,127 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 28 remaining) [2024-02-02 09:36:38,127 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 28 remaining) [2024-02-02 09:36:38,128 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 28 remaining) [2024-02-02 09:36:38,128 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 28 remaining) [2024-02-02 09:36:38,128 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr5ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 28 remaining) [2024-02-02 09:36:38,128 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 28 remaining) [2024-02-02 09:36:38,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-02-02 09:36:38,129 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-02-02 09:36:38,135 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-02-02 09:36:38,135 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-02-02 09:36:38,151 INFO L503 ceAbstractionStarter]: Automizer considered 20 witness invariants [2024-02-02 09:36:38,151 INFO L504 ceAbstractionStarter]: WitnessConsidered=20 [2024-02-02 09:36:38,152 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.02 09:36:38 BasicIcfg [2024-02-02 09:36:38,152 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-02-02 09:36:38,153 INFO L158 Benchmark]: Toolchain (without parser) took 2247.33ms. Allocated memory was 144.7MB in the beginning and 205.5MB in the end (delta: 60.8MB). Free memory was 106.3MB in the beginning and 142.1MB in the end (delta: -35.9MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. [2024-02-02 09:36:38,154 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 144.7MB. Free memory was 104.4MB in the beginning and 104.3MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-02-02 09:36:38,154 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 144.7MB. Free memory is still 116.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-02 09:36:38,154 INFO L158 Benchmark]: CACSL2BoogieTranslator took 664.38ms. Allocated memory is still 144.7MB. Free memory was 105.5MB in the beginning and 73.4MB in the end (delta: 32.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-02-02 09:36:38,154 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.16ms. Allocated memory is still 144.7MB. Free memory was 73.4MB in the beginning and 70.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-02 09:36:38,155 INFO L158 Benchmark]: Boogie Preprocessor took 84.33ms. Allocated memory is still 144.7MB. Free memory was 70.6MB in the beginning and 67.7MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-02-02 09:36:38,155 INFO L158 Benchmark]: RCFGBuilder took 645.45ms. Allocated memory is still 144.7MB. Free memory was 67.7MB in the beginning and 90.6MB in the end (delta: -22.8MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-02-02 09:36:38,155 INFO L158 Benchmark]: TraceAbstraction took 778.17ms. Allocated memory was 144.7MB in the beginning and 205.5MB in the end (delta: 60.8MB). Free memory was 89.7MB in the beginning and 142.1MB in the end (delta: -52.4MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. [2024-02-02 09:36:38,157 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.15ms. Allocated memory is still 144.7MB. Free memory was 104.4MB in the beginning and 104.3MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.44ms. Allocated memory is still 144.7MB. Free memory is still 116.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 664.38ms. Allocated memory is still 144.7MB. Free memory was 105.5MB in the beginning and 73.4MB in the end (delta: 32.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.16ms. Allocated memory is still 144.7MB. Free memory was 73.4MB in the beginning and 70.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 84.33ms. Allocated memory is still 144.7MB. Free memory was 70.6MB in the beginning and 67.7MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 645.45ms. Allocated memory is still 144.7MB. Free memory was 67.7MB in the beginning and 90.6MB in the end (delta: -22.8MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * TraceAbstraction took 778.17ms. Allocated memory was 144.7MB in the beginning and 205.5MB in the end (delta: 60.8MB). Free memory was 89.7MB in the beginning and 142.1MB in the end (delta: -52.4MB). Peak memory consumption was 6.1MB. 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] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[global],IntegerLiteral[0]]]] [L707] int i = __VERIFIER_nondet_int(); [L708] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[global],IntegerLiteral[0]]]] [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[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[global],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[m],UnaryExpression[ADDROF,IdentifierExpression[mutex1]]]],BinaryExpression[COMPNEQ,IdentifierExpression[i],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[global],IntegerLiteral[0]]],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}] - UnprovableResult [Line: 707]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 708]: 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: 710]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 711]: 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: 712]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 713]: 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: 714]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 715]: 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: 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: 701]: 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: 703]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 704]: 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, 110 locations, 28 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: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 61 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 30 mSDsluCounter, 16 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 43 IncrementalHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 16 mSDtfsCounter, 43 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=185occurred 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, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 1 ConstructedInterpolants, 0 QuantifiedInterpolants, 3 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! [2024-02-02 09:36:38,188 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