./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-lit/sssc12.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/sssc12.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3d25acf6 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread-lit/sssc12.i ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/sssc12.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-3d25acf-m [2024-01-30 14:19:39,385 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-30 14:19:39,451 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-30 14:19:39,455 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-30 14:19:39,455 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-30 14:19:39,486 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-30 14:19:39,487 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-30 14:19:39,487 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-30 14:19:39,488 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-30 14:19:39,491 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-30 14:19:39,491 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-30 14:19:39,491 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-30 14:19:39,492 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-30 14:19:39,493 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-30 14:19:39,493 INFO L153 SettingsManager]: * Use SBE=true [2024-01-30 14:19:39,494 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-30 14:19:39,494 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-30 14:19:39,494 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-30 14:19:39,494 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-30 14:19:39,494 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-30 14:19:39,494 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-30 14:19:39,495 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-30 14:19:39,495 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-30 14:19:39,495 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-30 14:19:39,495 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-30 14:19:39,495 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-30 14:19:39,495 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-30 14:19:39,495 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-30 14:19:39,496 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-30 14:19:39,496 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-30 14:19:39,497 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-30 14:19:39,497 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-30 14:19:39,497 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-30 14:19:39,497 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-30 14:19:39,497 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-30 14:19:39,498 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-30 14:19:39,498 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-30 14:19:39,498 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-30 14:19:39,498 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-30 14:19:39,498 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-30 14:19:39,498 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-30 14:19:39,498 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-30 14:19:39,498 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-30 14:19:39,499 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-30 14:19:39,734 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-30 14:19:39,755 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-30 14:19:39,757 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-30 14:19:39,759 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-30 14:19:39,759 INFO L274 PluginConnector]: CDTParser initialized [2024-01-30 14:19:39,760 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-lit/sssc12.i [2024-01-30 14:19:40,788 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-30 14:19:40,997 INFO L384 CDTParser]: Found 1 translation units. [2024-01-30 14:19:40,998 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/sssc12.i [2024-01-30 14:19:41,032 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/024cfe7c9/e8321436eef84d64839d3e441e35c269/FLAGed7408c56 [2024-01-30 14:19:41,044 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/024cfe7c9/e8321436eef84d64839d3e441e35c269 [2024-01-30 14:19:41,046 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-30 14:19:41,046 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-30 14:19:41,047 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/sssc12.yml/witness.yml [2024-01-30 14:19:41,237 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-30 14:19:41,238 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-30 14:19:41,239 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-30 14:19:41,239 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-30 14:19:41,243 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-30 14:19:41,244 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.01 02:19:41" (1/2) ... [2024-01-30 14:19:41,245 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31d696a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:19:41, skipping insertion in model container [2024-01-30 14:19:41,245 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.01 02:19:41" (1/2) ... [2024-01-30 14:19:41,246 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1b4e3237 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:19:41, skipping insertion in model container [2024-01-30 14:19:41,246 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 30.01 02:19:41" (2/2) ... [2024-01-30 14:19:41,246 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31d696a9 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:19:41, skipping insertion in model container [2024-01-30 14:19:41,247 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 30.01 02:19:41" (2/2) ... [2024-01-30 14:19:41,247 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-30 14:19:41,333 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-30 14:19:41,335 INFO L98 nessWitnessExtractor]: Location invariant before [L1036-L1036] (((-2147483638 <= c) && (-2147483638 <= end)) && ((long long )c - (long long )end >= 0LL)) && ((unsigned long )arg == 0UL) [2024-01-30 14:19:41,335 INFO L98 nessWitnessExtractor]: Location invariant before [L1042-L1042] data == 0 [2024-01-30 14:19:41,335 INFO L98 nessWitnessExtractor]: Location invariant before [L1034-L1034] (((-2147483638 <= end) && (c <= 2147483646)) && ((-1LL - (long long )c) + (long long )end >= 0LL)) && ((unsigned long )arg == 0UL) [2024-01-30 14:19:41,335 INFO L98 nessWitnessExtractor]: Location invariant before [L1033-L1033] (((-2147483638 <= end) && (c <= 2147483646)) && ((-1LL - (long long )c) + (long long )end >= 0LL)) && ((unsigned long )arg == 0UL) [2024-01-30 14:19:41,335 INFO L98 nessWitnessExtractor]: Location invariant before [L1040-L1040] data == 0 [2024-01-30 14:19:41,336 INFO L98 nessWitnessExtractor]: Location invariant before [L1041-L1041] data == 0 [2024-01-30 14:19:41,336 INFO L98 nessWitnessExtractor]: Location invariant before [L1026-L1029] ((((((((((0LL - (long long )c) + (long long )end >= 0LL) && ((long long )c + (long long )end >= 0LL)) && ((0LL - (long long )c) - (long long )end >= 0LL)) && ((long long )c - (long long )end >= 0LL)) && (0 == c)) && (0 == end)) && (c == 0)) && (c == end)) && (end == 0)) && ((unsigned long )arg == 0UL) [2024-01-30 14:19:41,336 INFO L98 nessWitnessExtractor]: Location invariant before [L1032-L1032] (((((-2147483638 <= end) && (0 <= c)) && (c <= 2147483646)) && ((-1LL + (long long )c) + (long long )end >= 0LL)) && ((-1LL - (long long )c) + (long long )end >= 0LL)) && ((unsigned long )arg == 0UL) [2024-01-30 14:19:41,336 INFO L98 nessWitnessExtractor]: Location invariant before [L1024-L1024] (((((((2147483648LL + (long long )c) + (long long )end >= 0LL) && ((2147483648LL - (long long )c) + (long long )end >= 0LL)) && ((2147483647LL + (long long )c) - (long long )end >= 0LL)) && ((2147483647LL - (long long )c) - (long long )end >= 0LL)) && (0 == c)) && (c == 0)) && ((unsigned long )arg == 0UL) [2024-01-30 14:19:41,337 INFO L98 nessWitnessExtractor]: Location invariant before [L1023-L1023] (((((4294967296LL + (long long )c) + (long long )end >= 0LL) && ((4294967295LL - (long long )c) + (long long )end >= 0LL)) && ((4294967295LL + (long long )c) - (long long )end >= 0LL)) && ((4294967294LL - (long long )c) - (long long )end >= 0LL)) && ((unsigned long )arg == 0UL) [2024-01-30 14:19:41,337 INFO L98 nessWitnessExtractor]: Location invariant before [L1013-L1013] (int )lock == 1 [2024-01-30 14:19:41,337 INFO L98 nessWitnessExtractor]: Location invariant before [L1043-L1043] data == 0 [2024-01-30 14:19:41,337 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L22] data == 0 [2024-01-30 14:19:41,337 INFO L98 nessWitnessExtractor]: Location invariant before [L1044-L1044] data == 0 [2024-01-30 14:19:41,337 INFO L98 nessWitnessExtractor]: Loop invariant at [L1031-L1035] (-2147483638 <= end) && ((unsigned long )arg == 0UL) [2024-01-30 14:19:41,337 INFO L98 nessWitnessExtractor]: Location invariant before [L1028-L1028] ((0 == end) && (end == 0)) && ((unsigned long )arg == 0UL) [2024-01-30 14:19:41,337 INFO L98 nessWitnessExtractor]: Location invariant before [L1027-L1027] ((((((((((0LL - (long long )c) + (long long )end >= 0LL) && ((long long )c + (long long )end >= 0LL)) && ((0LL - (long long )c) - (long long )end >= 0LL)) && ((long long )c - (long long )end >= 0LL)) && (0 == c)) && (0 == end)) && (c == 0)) && (c == end)) && (end == 0)) && ((unsigned long )arg == 0UL) [2024-01-30 14:19:41,338 INFO L98 nessWitnessExtractor]: Location invariant before [L1019-L1019] (int )lock == 0 [2024-01-30 14:19:41,338 INFO L98 nessWitnessExtractor]: Location invariant before [L1030-L1030] (-2147483638 <= end) && ((unsigned long )arg == 0UL) [2024-01-30 14:19:41,338 INFO L98 nessWitnessExtractor]: Location invariant before [L1025-L1025] ((((((((((0LL - (long long )c) + (long long )end >= 0LL) && ((long long )c + (long long )end >= 0LL)) && ((0LL - (long long )c) - (long long )end >= 0LL)) && ((long long )c - (long long )end >= 0LL)) && (0 == c)) && (0 == end)) && (c == 0)) && (c == end)) && (end == 0)) && ((unsigned long )arg == 0UL) [2024-01-30 14:19:41,377 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-30 14:19:41,673 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/sssc12.i[46865,46878] [2024-01-30 14:19:41,685 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-30 14:19:41,697 INFO L202 MainTranslator]: Completed pre-run [2024-01-30 14:19:41,708 WARN L424 MainDispatcher]: Unable to annotate typedef unsigned int __mode_t; with a witness entry [2024-01-30 14:19:41,734 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/sssc12.i[46865,46878] 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 [2024-01-30 14:19:41,830 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-30 14:19:41,884 INFO L206 MainTranslator]: Completed translation [2024-01-30 14:19:41,885 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:19:41 WrapperNode [2024-01-30 14:19:41,885 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-30 14:19:41,886 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-30 14:19:41,886 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-30 14:19:41,886 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-30 14:19:41,891 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:19:41" (1/1) ... [2024-01-30 14:19:41,915 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:19:41" (1/1) ... [2024-01-30 14:19:41,950 INFO L138 Inliner]: procedures = 275, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 102 [2024-01-30 14:19:41,951 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-30 14:19:41,952 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-30 14:19:41,952 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-30 14:19:41,953 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-30 14:19:41,961 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:19:41" (1/1) ... [2024-01-30 14:19:41,961 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:19:41" (1/1) ... [2024-01-30 14:19:41,972 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:19:41" (1/1) ... [2024-01-30 14:19:41,991 INFO L175 MemorySlicer]: Split 4 memory accesses to 3 slices as follows [2, 1, 1]. 50 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 2 writes are split as follows [0, 1, 1]. [2024-01-30 14:19:41,991 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:19:41" (1/1) ... [2024-01-30 14:19:41,992 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:19:41" (1/1) ... [2024-01-30 14:19:42,002 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:19:41" (1/1) ... [2024-01-30 14:19:42,005 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:19:41" (1/1) ... [2024-01-30 14:19:42,011 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:19:41" (1/1) ... [2024-01-30 14:19:42,012 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:19:41" (1/1) ... [2024-01-30 14:19:42,015 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-30 14:19:42,016 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-30 14:19:42,016 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-30 14:19:42,017 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-30 14:19:42,017 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:19:41" (1/1) ... [2024-01-30 14:19:42,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-30 14:19:42,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-30 14:19:42,045 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) [2024-01-30 14:19:42,096 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 [2024-01-30 14:19:42,118 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-30 14:19:42,118 INFO L130 BoogieDeclarations]: Found specification of procedure thr [2024-01-30 14:19:42,119 INFO L138 BoogieDeclarations]: Found implementation of procedure thr [2024-01-30 14:19:42,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-30 14:19:42,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-30 14:19:42,119 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-30 14:19:42,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-30 14:19:42,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-30 14:19:42,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-30 14:19:42,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-01-30 14:19:42,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-30 14:19:42,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-30 14:19:42,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-30 14:19:42,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-30 14:19:42,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-30 14:19:42,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-30 14:19:42,122 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-30 14:19:42,245 INFO L244 CfgBuilder]: Building ICFG [2024-01-30 14:19:42,247 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-30 14:19:42,480 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-30 14:19:42,480 INFO L293 CfgBuilder]: Performing block encoding [2024-01-30 14:19:42,594 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-30 14:19:42,596 INFO L320 CfgBuilder]: Removed 2 assume(true) statements. [2024-01-30 14:19:42,596 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.01 02:19:42 BoogieIcfgContainer [2024-01-30 14:19:42,597 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-30 14:19:42,599 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-30 14:19:42,599 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-30 14:19:42,602 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-30 14:19:42,602 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.01 02:19:41" (1/4) ... [2024-01-30 14:19:42,603 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69fb9967 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.01 02:19:42, skipping insertion in model container [2024-01-30 14:19:42,603 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 30.01 02:19:41" (2/4) ... [2024-01-30 14:19:42,604 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69fb9967 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 30.01 02:19:42, skipping insertion in model container [2024-01-30 14:19:42,604 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:19:41" (3/4) ... [2024-01-30 14:19:42,605 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69fb9967 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 30.01 02:19:42, skipping insertion in model container [2024-01-30 14:19:42,605 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.01 02:19:42" (4/4) ... [2024-01-30 14:19:42,606 INFO L112 eAbstractionObserver]: Analyzing ICFG sssc12.i [2024-01-30 14:19:42,620 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-30 14:19:42,621 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 21 error locations. [2024-01-30 14:19:42,621 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-30 14:19:42,692 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-01-30 14:19:42,714 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 58 places, 58 transitions, 120 flow [2024-01-30 14:19:42,734 INFO L124 PetriNetUnfolderBase]: 3/60 cut-off events. [2024-01-30 14:19:42,734 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-30 14:19:42,736 INFO L83 FinitePrefix]: Finished finitePrefix Result has 64 conditions, 60 events. 3/60 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 65 event pairs, 0 based on Foata normal form. 0/34 useless extension candidates. Maximal degree in co-relation 45. Up to 2 conditions per place. [2024-01-30 14:19:42,736 INFO L82 GeneralOperation]: Start removeDead. Operand has 58 places, 58 transitions, 120 flow [2024-01-30 14:19:42,739 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 58 places, 58 transitions, 120 flow [2024-01-30 14:19:42,746 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-30 14:19:42,750 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;@72b519e2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-30 14:19:42,751 INFO L358 AbstractCegarLoop]: Starting to check reachability of 38 error locations. [2024-01-30 14:19:42,752 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-30 14:19:42,752 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-30 14:19:42,752 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-30 14:19:42,753 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-30 14:19:42,753 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-30 14:19:42,753 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 35 more)] === [2024-01-30 14:19:42,757 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-30 14:19:42,757 INFO L85 PathProgramCache]: Analyzing trace with hash 9894, now seen corresponding path program 1 times [2024-01-30 14:19:42,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-30 14:19:42,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682483231] [2024-01-30 14:19:42,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-30 14:19:42,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-30 14:19:42,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-30 14:19:42,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-30 14:19:42,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-30 14:19:42,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682483231] [2024-01-30 14:19:42,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682483231] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-30 14:19:42,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-30 14:19:42,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-30 14:19:42,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829156459] [2024-01-30 14:19:42,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-30 14:19:42,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-30 14:19:42,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-30 14:19:42,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-30 14:19:42,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-30 14:19:42,983 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 58 [2024-01-30 14:19:42,986 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 58 transitions, 120 flow. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 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) [2024-01-30 14:19:42,986 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-30 14:19:42,986 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 58 [2024-01-30 14:19:42,987 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-30 14:19:43,068 INFO L124 PetriNetUnfolderBase]: 30/151 cut-off events. [2024-01-30 14:19:43,068 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-30 14:19:43,070 INFO L83 FinitePrefix]: Finished finitePrefix Result has 229 conditions, 151 events. 30/151 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 491 event pairs, 24 based on Foata normal form. 3/133 useless extension candidates. Maximal degree in co-relation 206. Up to 69 conditions per place. [2024-01-30 14:19:43,073 INFO L140 encePairwiseOnDemand]: 47/58 looper letters, 20 selfloop transitions, 2 changer transitions 0/49 dead transitions. [2024-01-30 14:19:43,073 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 49 transitions, 146 flow [2024-01-30 14:19:43,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-30 14:19:43,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-30 14:19:43,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 112 transitions. [2024-01-30 14:19:43,083 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6436781609195402 [2024-01-30 14:19:43,085 INFO L175 Difference]: Start difference. First operand has 58 places, 58 transitions, 120 flow. Second operand 3 states and 112 transitions. [2024-01-30 14:19:43,085 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 49 transitions, 146 flow [2024-01-30 14:19:43,088 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 49 transitions, 146 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-01-30 14:19:43,093 INFO L231 Difference]: Finished difference. Result has 52 places, 49 transitions, 106 flow [2024-01-30 14:19:43,095 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=58, PETRI_DIFFERENCE_MINUEND_FLOW=102, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=106, PETRI_PLACES=52, PETRI_TRANSITIONS=49} [2024-01-30 14:19:43,097 INFO L281 CegarLoopForPetriNet]: 58 programPoint places, -6 predicate places. [2024-01-30 14:19:43,097 INFO L495 AbstractCegarLoop]: Abstraction has has 52 places, 49 transitions, 106 flow [2024-01-30 14:19:43,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 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) [2024-01-30 14:19:43,098 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-30 14:19:43,098 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-30 14:19:43,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-30 14:19:43,099 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thrErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 35 more)] === [2024-01-30 14:19:43,099 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-30 14:19:43,099 INFO L85 PathProgramCache]: Analyzing trace with hash 1523959933, now seen corresponding path program 1 times [2024-01-30 14:19:43,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-30 14:19:43,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755175180] [2024-01-30 14:19:43,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-30 14:19:43,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-30 14:19:43,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-30 14:19:43,149 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-01-30 14:19:43,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-30 14:19:43,212 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-01-30 14:19:43,213 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-01-30 14:19:43,214 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location thrErr0ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 38 remaining) [2024-01-30 14:19:43,215 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 38 remaining) [2024-01-30 14:19:43,215 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 38 remaining) [2024-01-30 14:19:43,215 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 38 remaining) [2024-01-30 14:19:43,216 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 38 remaining) [2024-01-30 14:19:43,216 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 38 remaining) [2024-01-30 14:19:43,216 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (31 of 38 remaining) [2024-01-30 14:19:43,216 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 38 remaining) [2024-01-30 14:19:43,216 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 38 remaining) [2024-01-30 14:19:43,216 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 38 remaining) [2024-01-30 14:19:43,216 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 38 remaining) [2024-01-30 14:19:43,216 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 38 remaining) [2024-01-30 14:19:43,217 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 38 remaining) [2024-01-30 14:19:43,217 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr7ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 38 remaining) [2024-01-30 14:19:43,217 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr6ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 38 remaining) [2024-01-30 14:19:43,217 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr8ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 38 remaining) [2024-01-30 14:19:43,217 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr9ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 38 remaining) [2024-01-30 14:19:43,217 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr10ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 38 remaining) [2024-01-30 14:19:43,217 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr15ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 38 remaining) [2024-01-30 14:19:43,217 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr11ASSERT_VIOLATIONERROR_FUNCTION (18 of 38 remaining) [2024-01-30 14:19:43,217 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr12ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 38 remaining) [2024-01-30 14:19:43,218 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr13ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 38 remaining) [2024-01-30 14:19:43,218 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr14ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 38 remaining) [2024-01-30 14:19:43,218 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 38 remaining) [2024-01-30 14:19:43,218 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 38 remaining) [2024-01-30 14:19:43,218 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 38 remaining) [2024-01-30 14:19:43,218 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 38 remaining) [2024-01-30 14:19:43,218 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 38 remaining) [2024-01-30 14:19:43,218 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr7ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 38 remaining) [2024-01-30 14:19:43,219 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr6ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 38 remaining) [2024-01-30 14:19:43,219 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr8ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 38 remaining) [2024-01-30 14:19:43,219 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr9ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 38 remaining) [2024-01-30 14:19:43,219 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr10ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 38 remaining) [2024-01-30 14:19:43,219 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr15ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 38 remaining) [2024-01-30 14:19:43,219 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr11ASSERT_VIOLATIONERROR_FUNCTION (3 of 38 remaining) [2024-01-30 14:19:43,219 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr12ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 38 remaining) [2024-01-30 14:19:43,219 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr13ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 38 remaining) [2024-01-30 14:19:43,219 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr14ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 38 remaining) [2024-01-30 14:19:43,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-30 14:19:43,220 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-01-30 14:19:43,225 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-30 14:19:43,225 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-30 14:19:43,256 INFO L503 ceAbstractionStarter]: Automizer considered 20 witness invariants [2024-01-30 14:19:43,257 INFO L504 ceAbstractionStarter]: WitnessConsidered=20 [2024-01-30 14:19:43,258 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.01 02:19:43 BasicIcfg [2024-01-30 14:19:43,258 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-30 14:19:43,260 INFO L158 Benchmark]: Toolchain (without parser) took 2020.40ms. Allocated memory was 127.9MB in the beginning and 172.0MB in the end (delta: 44.0MB). Free memory was 95.1MB in the beginning and 66.8MB in the end (delta: 28.3MB). Peak memory consumption was 73.2MB. Max. memory is 16.1GB. [2024-01-30 14:19:43,260 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 127.9MB. Free memory is still 101.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-30 14:19:43,260 INFO L158 Benchmark]: Witness Parser took 4.46ms. Allocated memory is still 127.9MB. Free memory is still 54.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-30 14:19:43,260 INFO L158 Benchmark]: CACSL2BoogieTranslator took 645.80ms. Allocated memory is still 127.9MB. Free memory was 95.1MB in the beginning and 61.5MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-01-30 14:19:43,260 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.98ms. Allocated memory is still 127.9MB. Free memory was 61.5MB in the beginning and 59.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-30 14:19:43,262 INFO L158 Benchmark]: Boogie Preprocessor took 63.57ms. Allocated memory is still 127.9MB. Free memory was 59.0MB in the beginning and 56.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-30 14:19:43,264 INFO L158 Benchmark]: RCFGBuilder took 580.89ms. Allocated memory was 127.9MB in the beginning and 172.0MB in the end (delta: 44.0MB). Free memory was 56.5MB in the beginning and 121.4MB in the end (delta: -64.9MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. [2024-01-30 14:19:43,266 INFO L158 Benchmark]: TraceAbstraction took 659.67ms. Allocated memory is still 172.0MB. Free memory was 121.4MB in the beginning and 66.8MB in the end (delta: 54.5MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2024-01-30 14:19:43,269 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 127.9MB. Free memory is still 101.6MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 4.46ms. Allocated memory is still 127.9MB. Free memory is still 54.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 645.80ms. Allocated memory is still 127.9MB. Free memory was 95.1MB in the beginning and 61.5MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.98ms. Allocated memory is still 127.9MB. Free memory was 61.5MB in the beginning and 59.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.57ms. Allocated memory is still 127.9MB. Free memory was 59.0MB in the beginning and 56.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 580.89ms. Allocated memory was 127.9MB in the beginning and 172.0MB in the end (delta: 44.0MB). Free memory was 56.5MB in the beginning and 121.4MB in the end (delta: -64.9MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. * TraceAbstraction took 659.67ms. Allocated memory is still 172.0MB. Free memory was 121.4MB in the beginning and 66.8MB in the end (delta: 54.5MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1023]: invariant of correctness witness can be violated invariant of correctness witness can be violated We found a FailurePath: [L1005] 0 int *data; [L1006] 0 volatile int len; [L1007] 0 volatile int next; [L1008] 0 volatile int lock; [L1039] 0 pthread_t t; VAL [data={0:0}, len=0, lock=0, next=0, t={3:0}] [L1040] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[data],IntegerLiteral[0]]]] [L1040] 0 next = 0 VAL [data={0:0}, len=0, lock=0, next=0, t={3:0}] [L1041] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[data],IntegerLiteral[0]]]] [L1041] 0 lock = 0 VAL [data={0:0}, len=0, lock=0, next=0, t={3:0}] [L1042] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[data],IntegerLiteral[0]]]] [L1042] 0 len = __VERIFIER_nondet_int() [L1043] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[data],IntegerLiteral[0]]]] [L1043] CALL 0 assume_abort_if_not(len > 0 && len < 4294967296 / sizeof(int)) [L994] COND FALSE 0 !(!cond) [L1043] RET 0 assume_abort_if_not(len > 0 && len < 4294967296 / sizeof(int)) [L1044] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[data],IntegerLiteral[0]]]] [L1044] 0 data = malloc(sizeof(int) * len) [L1045] COND TRUE 0 1 [L1046] FCALL, FORK 0 pthread_create(&t, 0, thr, 0) VAL [data={-2:0}, len=2, lock=0, next=0, t={3:0}] [L1022] 1 int c, end; VAL [arg={0:0}, arg={0:0}, data={-2:0}, len=2, lock=0, next=0] [L1023] 1 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHPLUS,IntegerLiteral[4294967296LL],CastExpression[ACSLType[long long],IdentifierExpression[c]]],CastExpression[ACSLType[long long],IdentifierExpression[end]]],IntegerLiteral[0LL]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHMINUS,IntegerLiteral[4294967295LL],CastExpression[ACSLType[long long],IdentifierExpression[c]]],CastExpression[ACSLType[long long],IdentifierExpression[end]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,BinaryExpression[ARITHPLUS,IntegerLiteral[4294967295LL],CastExpression[ACSLType[long long],IdentifierExpression[c]]],CastExpression[ACSLType[long long],IdentifierExpression[end]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,BinaryExpression[ARITHMINUS,IntegerLiteral[4294967294LL],CastExpression[ACSLType[long long],IdentifierExpression[c]]],CastExpression[ACSLType[long long],IdentifierExpression[end]]],IntegerLiteral[0LL]]],BinaryExpression[COMPEQ,CastExpression[ACSLType[unsigned long],IdentifierExpression[arg]],IntegerLiteral[0UL]]]]] VAL [arg={0:0}, arg={0:0}, c=-4294967297, data={-2:0}, end=0, len=2, lock=0, next=0] - UnprovableResult [Line: 1040]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1041]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1042]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1043]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1044]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1046]: 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: 1024]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1025]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1013]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1026]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1027]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1030]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1028]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1019]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1031]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1032]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1036]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 998]: 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: 1033]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1034]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1031]: 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, 96 locations, 38 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 13 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 44 IncrementalHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 0 mSDtfsCounter, 44 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=120occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 1 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-01-30 14:19:43,296 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