./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-3.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/pthread-demo-datarace-3.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/pthread-C-DAC/pthread-demo-datarace-3.i ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/pthread-demo-datarace-3.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 09:36:02,397 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-02 09:36:02,484 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-02 09:36:02,490 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-02 09:36:02,490 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-02 09:36:02,531 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-02 09:36:02,532 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-02 09:36:02,532 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-02 09:36:02,533 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-02 09:36:02,533 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-02 09:36:02,533 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-02 09:36:02,534 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-02 09:36:02,534 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-02 09:36:02,535 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-02 09:36:02,536 INFO L153 SettingsManager]: * Use SBE=true [2024-02-02 09:36:02,537 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-02 09:36:02,537 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-02 09:36:02,537 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-02 09:36:02,537 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-02 09:36:02,538 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-02 09:36:02,538 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-02 09:36:02,539 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-02 09:36:02,539 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-02 09:36:02,539 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-02 09:36:02,539 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-02 09:36:02,540 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-02 09:36:02,540 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-02 09:36:02,540 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-02 09:36:02,541 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-02 09:36:02,541 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-02 09:36:02,542 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-02 09:36:02,542 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-02 09:36:02,542 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-02 09:36:02,543 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-02 09:36:02,543 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-02 09:36:02,543 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-02 09:36:02,543 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-02 09:36:02,543 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-02 09:36:02,543 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-02 09:36:02,544 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-02 09:36:02,544 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-02 09:36:02,544 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-02 09:36:02,544 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-02 09:36:02,545 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-02 09:36:02,810 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-02 09:36:02,829 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-02 09:36:02,833 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-02 09:36:02,834 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-02 09:36:02,835 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-02 09:36:02,836 INFO L431 ainManager$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/pthread-demo-datarace-3.yml/witness.yml [2024-02-02 09:36:02,956 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-02 09:36:02,956 INFO L274 PluginConnector]: CDTParser initialized [2024-02-02 09:36:02,957 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-3.i [2024-02-02 09:36:04,140 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-02 09:36:04,440 INFO L384 CDTParser]: Found 1 translation units. [2024-02-02 09:36:04,441 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-3.i [2024-02-02 09:36:04,461 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1183a9bf1/90d0928c701545219fd1e31d2da2223f/FLAGb96ec25a4 [2024-02-02 09:36:04,475 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1183a9bf1/90d0928c701545219fd1e31d2da2223f [2024-02-02 09:36:04,475 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-02 09:36:04,477 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-02 09:36:04,480 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-02 09:36:04,481 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-02 09:36:04,485 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-02 09:36:04,486 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 02.02 09:36:02" (1/2) ... [2024-02-02 09:36:04,487 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ad053ef and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:36:04, skipping insertion in model container [2024-02-02 09:36:04,487 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 02.02 09:36:02" (1/2) ... [2024-02-02 09:36:04,489 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@721d5c19 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:36:04, skipping insertion in model container [2024-02-02 09:36:04,489 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 09:36:04" (2/2) ... [2024-02-02 09:36:04,489 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ad053ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:36:04, skipping insertion in model container [2024-02-02 09:36:04,490 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 09:36:04" (2/2) ... [2024-02-02 09:36:04,490 INFO L86 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-02 09:36:04,562 INFO L99 nessWitnessExtractor]: Found the following entries in the witness: [2024-02-02 09:36:04,564 INFO L101 nessWitnessExtractor]: Location invariant before [L1358-L1361] i == 20 [2024-02-02 09:36:04,564 INFO L101 nessWitnessExtractor]: Location invariant before [L1354-L1354] ((((((((((((12 <= i && i <= 19) || i == 11) || i == 10) || i == 9) || i == 8) || i == 7) || i == 6) || i == 5) || i == 4) || i == 3) || i == 2) || i == 1) || (0 == i && i == 0) [2024-02-02 09:36:04,564 INFO L101 nessWitnessExtractor]: Location invariant before [L1333-L1333] (((0 <= myglobal) && (1 <= j)) && ((unsigned long )arg == 0UL)) && ((((((5 <= i && i <= 19) || i == 4) || i == 3) || i == 2) || i == 1) || (0 == i && i == 0)) [2024-02-02 09:36:04,565 INFO L101 nessWitnessExtractor]: Location invariant before [L1330-L1330] ((0 <= j) && ((unsigned long )arg == 0UL)) && ((((((5 <= i && i <= 19) || i == 4) || i == 3) || i == 2) || i == 1) || (0 == i && i == 0)) [2024-02-02 09:36:04,565 INFO L101 nessWitnessExtractor]: Location invariant before [L1328-L1328] ((0 <= myglobal) && ((unsigned long )arg == 0UL)) && ((1 <= j && (((((5 <= i && i <= 19) || i == 4) || i == 3) || i == 2) || i == 1)) || ((((((2147483648LL + (long long )i) + (long long )j >= 0LL && (2147483648LL - (long long )i) + (long long )j >= 0LL) && (2147483647LL + (long long )i) - (long long )j >= 0LL) && (2147483647LL - (long long )i) - (long long )j >= 0LL) && 0 == i) && i == 0)) [2024-02-02 09:36:04,566 INFO L101 nessWitnessExtractor]: Location invariant before [L1332-L1332] ((1 <= j) && ((unsigned long )arg == 0UL)) && ((((((5 <= i && i <= 19) || i == 4) || i == 3) || i == 2) || i == 1) || (0 == i && i == 0)) [2024-02-02 09:36:04,566 INFO L101 nessWitnessExtractor]: Location invariant before [L1363-L1363] i == 20 [2024-02-02 09:36:04,566 INFO L101 nessWitnessExtractor]: Location invariant before [L1360-L1360] i == 20 [2024-02-02 09:36:04,566 INFO L101 nessWitnessExtractor]: Location invariant before [L1364-L1364] i == 20 [2024-02-02 09:36:04,566 INFO L101 nessWitnessExtractor]: Location invariant before [L1365-L1365] i == 20 [2024-02-02 09:36:04,567 INFO L101 nessWitnessExtractor]: Loop invariant at [L1325-L1335] ((unsigned long )arg == 0UL) && (((1 <= j && ((((((((((5 <= i && (i <= 19 || i <= 20)) || i == 4) || i == 4) || i == 3) || i == 3) || i == 2) || i == 2) || i == 1) || i == 1) || (0 == i && i == 0))) || ((((((2147483648LL + (long long )i) + (long long )j >= 0LL && (2147483648LL - (long long )i) + (long long )j >= 0LL) && (2147483647LL + (long long )i) - (long long )j >= 0LL) && (2147483647LL - (long long )i) - (long long )j >= 0LL) && 0 == i) && i == 0)) || ((((4294967296LL + (long long )i) + (long long )j >= 0LL && (4294967295LL - (long long )i) + (long long )j >= 0LL) && (4294967295LL + (long long )i) - (long long )j >= 0LL) && (4294967294LL - (long long )i) - (long long )j >= 0LL)) [2024-02-02 09:36:04,567 INFO L101 nessWitnessExtractor]: Location invariant before [L1355-L1355] (0 <= myglobal) && (((((((((((((12 <= i && i <= 19) || i == 11) || i == 10) || i == 9) || i == 8) || i == 7) || i == 6) || i == 5) || i == 4) || i == 3) || i == 2) || i == 1) || (0 == i && i == 0)) [2024-02-02 09:36:04,567 INFO L101 nessWitnessExtractor]: Location invariant before [L1334-L1334] (((1 <= myglobal) && (1 <= j)) && ((unsigned long )arg == 0UL)) && ((((((5 <= i && i <= 19) || i == 4) || i == 3) || i == 2) || i == 1) || (0 == i && i == 0)) [2024-02-02 09:36:04,567 INFO L101 nessWitnessExtractor]: Location invariant before [L1329-L1329] (((0 <= myglobal) && (0 <= j)) && ((unsigned long )arg == 0UL)) && ((((((5 <= i && i <= 19) || i == 4) || i == 3) || i == 2) || i == 1) || (0 == i && i == 0)) [2024-02-02 09:36:04,567 INFO L101 nessWitnessExtractor]: Location invariant before [L1356-L1356] (1 <= myglobal) && (((((((((((((12 <= i && i <= 19) || i == 11) || i == 10) || i == 9) || i == 8) || i == 7) || i == 6) || i == 5) || i == 4) || i == 3) || i == 2) || i == 1) || (0 == i && i == 0)) [2024-02-02 09:36:04,568 INFO L101 nessWitnessExtractor]: Location invariant before [L1331-L1331] ((1 <= j) && ((unsigned long )arg == 0UL)) && ((((((5 <= i && i <= 19) || i == 4) || i == 3) || i == 2) || i == 1) || (0 == i && i == 0)) [2024-02-02 09:36:04,568 INFO L101 nessWitnessExtractor]: Location invariant before [L1327-L1327] ((unsigned long )arg == 0UL) && ((1 <= j && (((((5 <= i && i <= 19) || i == 4) || i == 3) || i == 2) || i == 1)) || ((((((2147483648LL + (long long )i) + (long long )j >= 0LL && (2147483648LL - (long long )i) + (long long )j >= 0LL) && (2147483647LL + (long long )i) - (long long )j >= 0LL) && (2147483647LL - (long long )i) - (long long )j >= 0LL) && 0 == i) && i == 0)) [2024-02-02 09:36:04,568 INFO L101 nessWitnessExtractor]: Location invariant before [L1336-L1336] ((1 <= j) && (i == 20)) && ((unsigned long )arg == 0UL) [2024-02-02 09:36:04,568 INFO L101 nessWitnessExtractor]: Location invariant before [L1362-L1362] i == 20 [2024-02-02 09:36:04,632 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-02-02 09:36:04,794 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-C-DAC/pthread-demo-datarace-3.i[818,831] [2024-02-02 09:36:05,066 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-02 09:36:05,088 INFO L202 MainTranslator]: Completed pre-run [2024-02-02 09:36:05,103 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-C-DAC/pthread-demo-datarace-3.i[818,831] 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 Start Parsing Local Start Parsing Local [2024-02-02 09:36:05,258 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-02 09:36:05,333 INFO L206 MainTranslator]: Completed translation [2024-02-02 09:36:05,333 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:36:05 WrapperNode [2024-02-02 09:36:05,333 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-02 09:36:05,334 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-02 09:36:05,335 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-02 09:36:05,335 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-02 09:36:05,341 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:36:05" (1/1) ... [2024-02-02 09:36:05,365 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:36:05" (1/1) ... [2024-02-02 09:36:05,402 INFO L138 Inliner]: procedures = 365, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 73 [2024-02-02 09:36:05,403 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-02 09:36:05,403 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-02 09:36:05,404 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-02 09:36:05,404 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-02 09:36:05,413 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:36:05" (1/1) ... [2024-02-02 09:36:05,413 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:36:05" (1/1) ... [2024-02-02 09:36:05,416 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:36:05" (1/1) ... [2024-02-02 09:36:05,442 INFO L175 MemorySlicer]: Split 4 memory accesses to 2 slices as follows [2, 2]. 50 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 1 writes are split as follows [0, 1]. [2024-02-02 09:36:05,442 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:36:05" (1/1) ... [2024-02-02 09:36:05,442 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:36:05" (1/1) ... [2024-02-02 09:36:05,450 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:36:05" (1/1) ... [2024-02-02 09:36:05,455 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:36:05" (1/1) ... [2024-02-02 09:36:05,457 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:36:05" (1/1) ... [2024-02-02 09:36:05,464 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:36:05" (1/1) ... [2024-02-02 09:36:05,467 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-02 09:36:05,471 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-02 09:36:05,472 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-02 09:36:05,472 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-02 09:36:05,473 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:36:05" (1/1) ... [2024-02-02 09:36:05,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-02 09:36:05,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-02 09:36:05,500 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 09:36:05,502 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 09:36:05,533 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-02 09:36:05,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-02 09:36:05,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-02 09:36:05,534 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-02 09:36:05,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-02-02 09:36:05,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-02-02 09:36:05,534 INFO L130 BoogieDeclarations]: Found specification of procedure thread_function_datarace [2024-02-02 09:36:05,534 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_function_datarace [2024-02-02 09:36:05,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-02 09:36:05,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-02 09:36:05,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-02 09:36:05,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-02 09:36:05,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-02 09:36:05,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-02 09:36:05,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-02 09:36:05,536 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 09:36:05,659 INFO L244 CfgBuilder]: Building ICFG [2024-02-02 09:36:05,660 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-02 09:36:06,103 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-02 09:36:06,104 INFO L293 CfgBuilder]: Performing block encoding [2024-02-02 09:36:06,238 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-02 09:36:06,238 INFO L320 CfgBuilder]: Removed 2 assume(true) statements. [2024-02-02 09:36:06,240 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 09:36:06 BoogieIcfgContainer [2024-02-02 09:36:06,240 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-02 09:36:06,243 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-02 09:36:06,243 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-02 09:36:06,246 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-02 09:36:06,246 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 02.02 09:36:02" (1/4) ... [2024-02-02 09:36:06,247 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51183f00 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 02.02 09:36:06, skipping insertion in model container [2024-02-02 09:36:06,247 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.02 09:36:04" (2/4) ... [2024-02-02 09:36:06,248 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51183f00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 09:36:06, skipping insertion in model container [2024-02-02 09:36:06,248 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:36:05" (3/4) ... [2024-02-02 09:36:06,249 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51183f00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 09:36:06, skipping insertion in model container [2024-02-02 09:36:06,249 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 09:36:06" (4/4) ... [2024-02-02 09:36:06,250 INFO L112 eAbstractionObserver]: Analyzing ICFG pthread-demo-datarace-3.i [2024-02-02 09:36:06,266 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-02 09:36:06,267 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 21 error locations. [2024-02-02 09:36:06,267 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-02 09:36:06,342 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-02-02 09:36:06,376 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 56 places, 56 transitions, 119 flow [2024-02-02 09:36:06,409 INFO L124 PetriNetUnfolderBase]: 4/55 cut-off events. [2024-02-02 09:36:06,409 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-02-02 09:36:06,413 INFO L83 FinitePrefix]: Finished finitePrefix Result has 60 conditions, 55 events. 4/55 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 123 event pairs, 0 based on Foata normal form. 0/30 useless extension candidates. Maximal degree in co-relation 35. Up to 2 conditions per place. [2024-02-02 09:36:06,413 INFO L82 GeneralOperation]: Start removeDead. Operand has 56 places, 56 transitions, 119 flow [2024-02-02 09:36:06,418 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 54 places, 54 transitions, 114 flow [2024-02-02 09:36:06,433 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-02 09:36:06,443 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;@6206f632, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-02 09:36:06,444 INFO L358 AbstractCegarLoop]: Starting to check reachability of 33 error locations. [2024-02-02 09:36:06,448 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-02 09:36:06,448 INFO L124 PetriNetUnfolderBase]: 0/6 cut-off events. [2024-02-02 09:36:06,449 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-02 09:36:06,449 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-02 09:36:06,449 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-02-02 09:36:06,450 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread_function_dataraceErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (and 30 more)] === [2024-02-02 09:36:06,454 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-02 09:36:06,454 INFO L85 PathProgramCache]: Analyzing trace with hash 9350585, now seen corresponding path program 1 times [2024-02-02 09:36:06,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-02 09:36:06,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207468143] [2024-02-02 09:36:06,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-02 09:36:06,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-02 09:36:06,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-02 09:36:06,613 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-02 09:36:06,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-02 09:36:06,671 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-02 09:36:06,673 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-02-02 09:36:06,674 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location thread_function_dataraceErr0ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 33 remaining) [2024-02-02 09:36:06,676 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 33 remaining) [2024-02-02 09:36:06,677 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 33 remaining) [2024-02-02 09:36:06,677 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 33 remaining) [2024-02-02 09:36:06,678 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 33 remaining) [2024-02-02 09:36:06,678 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 33 remaining) [2024-02-02 09:36:06,679 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 33 remaining) [2024-02-02 09:36:06,679 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION (25 of 33 remaining) [2024-02-02 09:36:06,679 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 33 remaining) [2024-02-02 09:36:06,680 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 33 remaining) [2024-02-02 09:36:06,680 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 33 remaining) [2024-02-02 09:36:06,681 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (21 of 33 remaining) [2024-02-02 09:36:06,681 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread_function_dataraceErr0ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 33 remaining) [2024-02-02 09:36:06,681 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread_function_dataraceErr1ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 33 remaining) [2024-02-02 09:36:06,681 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread_function_dataraceErr10ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 33 remaining) [2024-02-02 09:36:06,682 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread_function_dataraceErr2ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 33 remaining) [2024-02-02 09:36:06,682 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread_function_dataraceErr3ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 33 remaining) [2024-02-02 09:36:06,682 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread_function_dataraceErr4ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 33 remaining) [2024-02-02 09:36:06,683 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread_function_dataraceErr5ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 33 remaining) [2024-02-02 09:36:06,683 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread_function_dataraceErr6ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 33 remaining) [2024-02-02 09:36:06,684 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread_function_dataraceErr7ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 33 remaining) [2024-02-02 09:36:06,684 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread_function_dataraceErr8ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 33 remaining) [2024-02-02 09:36:06,684 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread_function_dataraceErr9ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 33 remaining) [2024-02-02 09:36:06,684 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread_function_dataraceErr1ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 33 remaining) [2024-02-02 09:36:06,685 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread_function_dataraceErr10ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 33 remaining) [2024-02-02 09:36:06,685 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread_function_dataraceErr2ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 33 remaining) [2024-02-02 09:36:06,685 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread_function_dataraceErr3ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 33 remaining) [2024-02-02 09:36:06,686 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread_function_dataraceErr4ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 33 remaining) [2024-02-02 09:36:06,686 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread_function_dataraceErr5ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 33 remaining) [2024-02-02 09:36:06,687 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread_function_dataraceErr6ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 33 remaining) [2024-02-02 09:36:06,687 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread_function_dataraceErr7ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 33 remaining) [2024-02-02 09:36:06,690 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread_function_dataraceErr8ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 33 remaining) [2024-02-02 09:36:06,690 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread_function_dataraceErr9ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 33 remaining) [2024-02-02 09:36:06,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-02 09:36:06,691 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-02-02 09:36:06,706 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-02-02 09:36:06,706 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-02-02 09:36:06,724 INFO L503 ceAbstractionStarter]: Automizer considered 20 witness invariants [2024-02-02 09:36:06,725 INFO L504 ceAbstractionStarter]: WitnessConsidered=20 [2024-02-02 09:36:06,726 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.02 09:36:06 BasicIcfg [2024-02-02 09:36:06,726 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-02-02 09:36:06,728 INFO L158 Benchmark]: Toolchain (without parser) took 2250.76ms. Allocated memory is still 176.2MB. Free memory was 113.2MB in the beginning and 76.8MB in the end (delta: 36.5MB). Peak memory consumption was 36.3MB. Max. memory is 16.1GB. [2024-02-02 09:36:06,728 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 176.2MB. Free memory is still 140.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-02 09:36:06,729 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 176.2MB. Free memory is still 136.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-02 09:36:06,729 INFO L158 Benchmark]: CACSL2BoogieTranslator took 853.39ms. Allocated memory is still 176.2MB. Free memory was 113.2MB in the beginning and 69.1MB in the end (delta: 44.1MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-02-02 09:36:06,731 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.63ms. Allocated memory is still 176.2MB. Free memory was 69.1MB in the beginning and 66.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-02 09:36:06,732 INFO L158 Benchmark]: Boogie Preprocessor took 67.24ms. Allocated memory is still 176.2MB. Free memory was 66.3MB in the beginning and 64.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-02 09:36:06,732 INFO L158 Benchmark]: RCFGBuilder took 769.09ms. Allocated memory is still 176.2MB. Free memory was 64.2MB in the beginning and 115.7MB in the end (delta: -51.4MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. [2024-02-02 09:36:06,734 INFO L158 Benchmark]: TraceAbstraction took 483.59ms. Allocated memory is still 176.2MB. Free memory was 114.5MB in the beginning and 76.8MB in the end (delta: 37.8MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-02-02 09:36:06,737 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 0.19ms. Allocated memory is still 176.2MB. Free memory is still 140.4MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.11ms. Allocated memory is still 176.2MB. Free memory is still 136.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 853.39ms. Allocated memory is still 176.2MB. Free memory was 113.2MB in the beginning and 69.1MB in the end (delta: 44.1MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.63ms. Allocated memory is still 176.2MB. Free memory was 69.1MB in the beginning and 66.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.24ms. Allocated memory is still 176.2MB. Free memory was 66.3MB in the beginning and 64.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 769.09ms. Allocated memory is still 176.2MB. Free memory was 64.2MB in the beginning and 115.7MB in the end (delta: -51.4MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. * TraceAbstraction took 483.59ms. Allocated memory is still 176.2MB. Free memory was 114.5MB in the beginning and 76.8MB in the end (delta: 37.8MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1325]: invariant of correctness witness can be violated invariant of correctness witness can be violated We found a FailurePath: [L1320] 0 int myglobal; [L1321] 0 pthread_mutex_t mymutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L1340] 0 pthread_t mythread; [L1341] 0 int i; [L1342] FCALL, FORK 0 pthread_create( &mythread, ((void *)0), thread_function_datarace, ((void *)0)) VAL [arg={0:0}, myglobal=0, mythread={3:0}] [L1324] 1 int i,j; [L1325] 1 i=0 VAL [arg={0:0}, arg={0:0}, i=0, myglobal=0] [L1325] 1 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,CastExpression[ACSLType[unsigned long],IdentifierExpression[arg]],IntegerLiteral[0UL]],BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[1],IdentifierExpression[j]],BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[5],IdentifierExpression[i]],BinaryExpression[LOGICOR,BinaryExpression[COMPLEQ,IdentifierExpression[i],IntegerLiteral[19]],BinaryExpression[COMPLEQ,IdentifierExpression[i],IntegerLiteral[20]]]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[4]]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[4]]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[3]]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[3]]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[2]]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[2]]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[1]]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[1]]],BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IntegerLiteral[0],IdentifierExpression[i]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[0]]]]],BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHPLUS,IntegerLiteral[2147483648LL],CastExpression[ACSLType[long long],IdentifierExpression[i]]],CastExpression[ACSLType[long long],IdentifierExpression[j]]],IntegerLiteral[0LL]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHMINUS,IntegerLiteral[2147483648LL],CastExpression[ACSLType[long long],IdentifierExpression[i]]],CastExpression[ACSLType[long long],IdentifierExpression[j]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,BinaryExpression[ARITHPLUS,IntegerLiteral[2147483647LL],CastExpression[ACSLType[long long],IdentifierExpression[i]]],CastExpression[ACSLType[long long],IdentifierExpression[j]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,BinaryExpression[ARITHMINUS,IntegerLiteral[2147483647LL],CastExpression[ACSLType[long long],IdentifierExpression[i]]],CastExpression[ACSLType[long long],IdentifierExpression[j]]],IntegerLiteral[0LL]]],BinaryExpression[COMPEQ,IntegerLiteral[0],IdentifierExpression[i]]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[0]]]],BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHPLUS,IntegerLiteral[4294967296LL],CastExpression[ACSLType[long long],IdentifierExpression[i]]],CastExpression[ACSLType[long long],IdentifierExpression[j]]],IntegerLiteral[0LL]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHMINUS,IntegerLiteral[4294967295LL],CastExpression[ACSLType[long long],IdentifierExpression[i]]],CastExpression[ACSLType[long long],IdentifierExpression[j]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,BinaryExpression[ARITHPLUS,IntegerLiteral[4294967295LL],CastExpression[ACSLType[long long],IdentifierExpression[i]]],CastExpression[ACSLType[long long],IdentifierExpression[j]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,BinaryExpression[ARITHMINUS,IntegerLiteral[4294967294LL],CastExpression[ACSLType[long long],IdentifierExpression[i]]],CastExpression[ACSLType[long long],IdentifierExpression[j]]],IntegerLiteral[0LL]]]]]]] VAL [arg={0:0}, arg={0:0}, i=0, j=-4294967297, myglobal=0] - UnprovableResult [Line: 1354]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1358]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1355]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1356]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1360]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1362]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 13]: 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: 1363]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1364]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1365]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1342]: 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: 1327]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1336]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1328]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1329]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1330]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1331]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1332]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1333]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1334]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1325]: 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, 78 locations, 33 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: 0.3s, 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=114occurred 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, 4 NumberOfCodeBlocks, 4 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! [2024-02-02 09:36:06,765 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