./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 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-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-59af5db-m [2024-02-02 09:15:43,153 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-02 09:15:43,218 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-02 09:15:43,222 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-02 09:15:43,223 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-02 09:15:43,252 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-02 09:15:43,253 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-02 09:15:43,253 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-02 09:15:43,254 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-02 09:15:43,257 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-02 09:15:43,258 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-02 09:15:43,258 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-02 09:15:43,259 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-02 09:15:43,260 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-02 09:15:43,260 INFO L153 SettingsManager]: * Use SBE=true [2024-02-02 09:15:43,260 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-02 09:15:43,260 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-02 09:15:43,261 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-02 09:15:43,261 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-02 09:15:43,261 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-02 09:15:43,261 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-02 09:15:43,262 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-02 09:15:43,262 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-02 09:15:43,262 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-02 09:15:43,262 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-02 09:15:43,262 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-02 09:15:43,263 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-02 09:15:43,263 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-02 09:15:43,263 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-02 09:15:43,264 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-02 09:15:43,264 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-02 09:15:43,265 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-02 09:15:43,265 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-02 09:15:43,265 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-02 09:15:43,265 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-02 09:15:43,265 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-02 09:15:43,265 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-02 09:15:43,266 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-02 09:15:43,266 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-02 09:15:43,266 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-02 09:15:43,266 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-02 09:15:43,267 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-02 09:15:43,267 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-02 09:15:43,267 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-02 09:15:43,469 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-02 09:15:43,489 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-02 09:15:43,493 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-02 09:15:43,494 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-02 09:15:43,494 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-02 09:15:43,495 INFO L431 ainManager$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 [2024-02-02 09:15:43,675 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-02 09:15:43,676 INFO L274 PluginConnector]: CDTParser initialized [2024-02-02 09:15:43,676 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-lit/sssc12.i [2024-02-02 09:15:44,600 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-02 09:15:44,909 INFO L384 CDTParser]: Found 1 translation units. [2024-02-02 09:15:44,910 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/sssc12.i [2024-02-02 09:15:44,923 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07c33763a/0f0b304fbd0448ecb85a6d515d82e5a6/FLAG2502c4135 [2024-02-02 09:15:44,933 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07c33763a/0f0b304fbd0448ecb85a6d515d82e5a6 [2024-02-02 09:15:44,934 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-02 09:15:44,935 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-02 09:15:44,937 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-02 09:15:44,937 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-02 09:15:44,941 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-02 09:15:44,941 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 02.02 09:15:43" (1/2) ... [2024-02-02 09:15:44,942 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67b4491c and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:15:44, skipping insertion in model container [2024-02-02 09:15:44,943 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 02.02 09:15:43" (1/2) ... [2024-02-02 09:15:44,944 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4520b33b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:15:44, skipping insertion in model container [2024-02-02 09:15:44,944 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 09:15:44" (2/2) ... [2024-02-02 09:15:44,945 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67b4491c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:15:44, skipping insertion in model container [2024-02-02 09:15:44,945 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 09:15:44" (2/2) ... [2024-02-02 09:15:44,945 INFO L86 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-02 09:15:45,024 INFO L99 nessWitnessExtractor]: Found the following entries in the witness: [2024-02-02 09:15:45,026 INFO L101 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) [2024-02-02 09:15:45,026 INFO L101 nessWitnessExtractor]: Location invariant before [L1030-L1030] (-2147483638 <= end) && ((unsigned long )arg == 0UL) [2024-02-02 09:15:45,026 INFO L101 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) [2024-02-02 09:15:45,026 INFO L101 nessWitnessExtractor]: Location invariant before [L1043-L1043] data == 0 [2024-02-02 09:15:45,026 INFO L101 nessWitnessExtractor]: Location invariant before [L1041-L1041] data == 0 [2024-02-02 09:15:45,027 INFO L101 nessWitnessExtractor]: Location invariant before [L1019-L1019] (int )lock == 0 [2024-02-02 09:15:45,027 INFO L101 nessWitnessExtractor]: Location invariant before [L1044-L1044] data == 0 [2024-02-02 09:15:45,027 INFO L101 nessWitnessExtractor]: Location invariant before [L1013-L1013] (int )lock == 1 [2024-02-02 09:15:45,027 INFO L101 nessWitnessExtractor]: Location invariant before [L1036-L1036] (((-2147483638 <= c) && (-2147483638 <= end)) && ((long long )c - (long long )end >= 0LL)) && ((unsigned long )arg == 0UL) [2024-02-02 09:15:45,027 INFO L101 nessWitnessExtractor]: Location invariant before [L1033-L1033] (((-2147483638 <= end) && (c <= 2147483646)) && ((-1LL - (long long )c) + (long long )end >= 0LL)) && ((unsigned long )arg == 0UL) [2024-02-02 09:15:45,027 INFO L101 nessWitnessExtractor]: Location invariant before [L1042-L1042] data == 0 [2024-02-02 09:15:45,027 INFO L101 nessWitnessExtractor]: Location invariant before [L1034-L1034] (((-2147483638 <= end) && (c <= 2147483646)) && ((-1LL - (long long )c) + (long long )end >= 0LL)) && ((unsigned long )arg == 0UL) [2024-02-02 09:15:45,027 INFO L101 nessWitnessExtractor]: Location invariant before [L1040-L1040] data == 0 [2024-02-02 09:15:45,028 INFO L101 nessWitnessExtractor]: Loop invariant at [L1031-L1035] (-2147483638 <= end) && ((unsigned long )arg == 0UL) [2024-02-02 09:15:45,028 INFO L101 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) [2024-02-02 09:15:45,028 INFO L101 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) [2024-02-02 09:15:45,028 INFO L101 nessWitnessExtractor]: Location invariant before [L22-L22] data == 0 [2024-02-02 09:15:45,028 INFO L101 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) [2024-02-02 09:15:45,028 INFO L101 nessWitnessExtractor]: Location invariant before [L1028-L1028] ((0 == end) && (end == 0)) && ((unsigned long )arg == 0UL) [2024-02-02 09:15:45,028 INFO L101 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) [2024-02-02 09:15:45,068 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-02-02 09:15:45,383 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] [2024-02-02 09:15:45,401 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-02 09:15:45,408 INFO L202 MainTranslator]: Completed pre-run [2024-02-02 09:15:45,416 WARN L424 MainDispatcher]: Unable to annotate typedef unsigned int __mode_t; with a witness entry [2024-02-02 09:15:45,443 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 [2024-02-02 09:15:45,496 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-02 09:15:45,543 INFO L206 MainTranslator]: Completed translation [2024-02-02 09:15:45,544 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:15:45 WrapperNode [2024-02-02 09:15:45,544 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-02 09:15:45,545 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-02 09:15:45,545 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-02 09:15:45,546 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-02 09:15:45,551 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:15:45" (1/1) ... [2024-02-02 09:15:45,577 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:15:45" (1/1) ... [2024-02-02 09:15:45,606 INFO L138 Inliner]: procedures = 275, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 102 [2024-02-02 09:15:45,611 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-02 09:15:45,611 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-02 09:15:45,612 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-02 09:15:45,612 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-02 09:15:45,620 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:15:45" (1/1) ... [2024-02-02 09:15:45,621 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:15:45" (1/1) ... [2024-02-02 09:15:45,632 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:15:45" (1/1) ... [2024-02-02 09:15:45,651 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]. [2024-02-02 09:15:45,652 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:15:45" (1/1) ... [2024-02-02 09:15:45,653 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:15:45" (1/1) ... [2024-02-02 09:15:45,660 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:15:45" (1/1) ... [2024-02-02 09:15:45,667 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:15:45" (1/1) ... [2024-02-02 09:15:45,671 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:15:45" (1/1) ... [2024-02-02 09:15:45,676 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:15:45" (1/1) ... [2024-02-02 09:15:45,678 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-02 09:15:45,680 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-02 09:15:45,680 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-02 09:15:45,680 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-02 09:15:45,681 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:15:45" (1/1) ... [2024-02-02 09:15:45,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-02 09:15:45,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-02 09:15:45,705 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 09:15:45,723 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 09:15:45,737 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-02 09:15:45,738 INFO L130 BoogieDeclarations]: Found specification of procedure thr [2024-02-02 09:15:45,738 INFO L138 BoogieDeclarations]: Found implementation of procedure thr [2024-02-02 09:15:45,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-02 09:15:45,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-02 09:15:45,738 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-02 09:15:45,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-02 09:15:45,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-02 09:15:45,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-02 09:15:45,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-02-02 09:15:45,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-02 09:15:45,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-02 09:15:45,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-02 09:15:45,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-02 09:15:45,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-02 09:15:45,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-02 09:15:45,741 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 09:15:45,852 INFO L244 CfgBuilder]: Building ICFG [2024-02-02 09:15:45,854 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-02 09:15:46,082 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-02 09:15:46,082 INFO L293 CfgBuilder]: Performing block encoding [2024-02-02 09:15:46,201 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-02 09:15:46,201 INFO L320 CfgBuilder]: Removed 2 assume(true) statements. [2024-02-02 09:15:46,202 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 09:15:46 BoogieIcfgContainer [2024-02-02 09:15:46,202 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-02 09:15:46,204 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-02 09:15:46,205 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-02 09:15:46,207 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-02 09:15:46,207 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 02.02 09:15:43" (1/4) ... [2024-02-02 09:15:46,209 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64e449e2 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 02.02 09:15:46, skipping insertion in model container [2024-02-02 09:15:46,209 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.02 09:15:44" (2/4) ... [2024-02-02 09:15:46,209 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64e449e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 09:15:46, skipping insertion in model container [2024-02-02 09:15:46,209 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:15:45" (3/4) ... [2024-02-02 09:15:46,210 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64e449e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 09:15:46, skipping insertion in model container [2024-02-02 09:15:46,210 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 09:15:46" (4/4) ... [2024-02-02 09:15:46,211 INFO L112 eAbstractionObserver]: Analyzing ICFG sssc12.i [2024-02-02 09:15:46,224 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-02 09:15:46,225 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 21 error locations. [2024-02-02 09:15:46,225 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-02 09:15:46,318 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-02-02 09:15:46,353 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 58 places, 58 transitions, 120 flow [2024-02-02 09:15:46,385 INFO L124 PetriNetUnfolderBase]: 3/60 cut-off events. [2024-02-02 09:15:46,386 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-02 09:15:46,391 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. [2024-02-02 09:15:46,392 INFO L82 GeneralOperation]: Start removeDead. Operand has 58 places, 58 transitions, 120 flow [2024-02-02 09:15:46,394 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 58 places, 58 transitions, 120 flow [2024-02-02 09:15:46,401 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-02 09:15:46,406 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;@769cc5bb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-02 09:15:46,406 INFO L358 AbstractCegarLoop]: Starting to check reachability of 38 error locations. [2024-02-02 09:15:46,408 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-02 09:15:46,408 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-02-02 09:15:46,408 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-02 09:15:46,408 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-02 09:15:46,409 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-02-02 09:15:46,409 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)] === [2024-02-02 09:15:46,412 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-02 09:15:46,413 INFO L85 PathProgramCache]: Analyzing trace with hash 9894, now seen corresponding path program 1 times [2024-02-02 09:15:46,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-02 09:15:46,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86942742] [2024-02-02 09:15:46,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-02 09:15:46,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-02 09:15:46,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-02 09:15:46,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-02 09:15:46,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-02 09:15:46,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86942742] [2024-02-02 09:15:46,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86942742] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-02 09:15:46,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-02 09:15:46,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-02 09:15:46,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250020900] [2024-02-02 09:15:46,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-02 09:15:46,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-02 09:15:46,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-02 09:15:46,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-02 09:15:46,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-02 09:15:46,633 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 58 [2024-02-02 09:15:46,636 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) [2024-02-02 09:15:46,639 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-02 09:15:46,639 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 58 [2024-02-02 09:15:46,640 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-02 09:15:46,727 INFO L124 PetriNetUnfolderBase]: 30/151 cut-off events. [2024-02-02 09:15:46,728 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-02 09:15:46,730 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. [2024-02-02 09:15:46,733 INFO L140 encePairwiseOnDemand]: 47/58 looper letters, 20 selfloop transitions, 2 changer transitions 0/49 dead transitions. [2024-02-02 09:15:46,733 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 49 transitions, 146 flow [2024-02-02 09:15:46,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-02 09:15:46,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-02 09:15:46,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 112 transitions. [2024-02-02 09:15:46,743 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6436781609195402 [2024-02-02 09:15:46,744 INFO L175 Difference]: Start difference. First operand has 58 places, 58 transitions, 120 flow. Second operand 3 states and 112 transitions. [2024-02-02 09:15:46,745 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 49 transitions, 146 flow [2024-02-02 09:15:46,747 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 49 transitions, 146 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-02-02 09:15:46,752 INFO L231 Difference]: Finished difference. Result has 52 places, 49 transitions, 106 flow [2024-02-02 09:15:46,753 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} [2024-02-02 09:15:46,757 INFO L281 CegarLoopForPetriNet]: 58 programPoint places, -6 predicate places. [2024-02-02 09:15:46,758 INFO L495 AbstractCegarLoop]: Abstraction has has 52 places, 49 transitions, 106 flow [2024-02-02 09:15:46,758 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) [2024-02-02 09:15:46,758 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-02 09:15:46,758 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-02-02 09:15:46,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-02 09:15:46,758 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thrErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 35 more)] === [2024-02-02 09:15:46,760 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-02 09:15:46,760 INFO L85 PathProgramCache]: Analyzing trace with hash 1523959933, now seen corresponding path program 1 times [2024-02-02 09:15:46,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-02 09:15:46,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204498662] [2024-02-02 09:15:46,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-02 09:15:46,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-02 09:15:46,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-02 09:15:46,803 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-02 09:15:46,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-02 09:15:46,850 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-02 09:15:46,850 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-02-02 09:15:46,852 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location thrErr0ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 38 remaining) [2024-02-02 09:15:46,853 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 38 remaining) [2024-02-02 09:15:46,854 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 38 remaining) [2024-02-02 09:15:46,854 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 38 remaining) [2024-02-02 09:15:46,854 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 38 remaining) [2024-02-02 09:15:46,855 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 38 remaining) [2024-02-02 09:15:46,855 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (31 of 38 remaining) [2024-02-02 09:15:46,855 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 38 remaining) [2024-02-02 09:15:46,856 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 38 remaining) [2024-02-02 09:15:46,856 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 38 remaining) [2024-02-02 09:15:46,856 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 38 remaining) [2024-02-02 09:15:46,859 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 38 remaining) [2024-02-02 09:15:46,859 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 38 remaining) [2024-02-02 09:15:46,859 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr7ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 38 remaining) [2024-02-02 09:15:46,860 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr6ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 38 remaining) [2024-02-02 09:15:46,865 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr8ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 38 remaining) [2024-02-02 09:15:46,865 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr9ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 38 remaining) [2024-02-02 09:15:46,865 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr10ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 38 remaining) [2024-02-02 09:15:46,865 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr15ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 38 remaining) [2024-02-02 09:15:46,866 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr11ASSERT_VIOLATIONERROR_FUNCTION (18 of 38 remaining) [2024-02-02 09:15:46,866 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr12ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 38 remaining) [2024-02-02 09:15:46,867 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr13ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 38 remaining) [2024-02-02 09:15:46,868 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr14ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 38 remaining) [2024-02-02 09:15:46,869 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 38 remaining) [2024-02-02 09:15:46,869 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 38 remaining) [2024-02-02 09:15:46,869 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 38 remaining) [2024-02-02 09:15:46,869 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 38 remaining) [2024-02-02 09:15:46,869 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 38 remaining) [2024-02-02 09:15:46,869 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr7ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 38 remaining) [2024-02-02 09:15:46,869 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr6ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 38 remaining) [2024-02-02 09:15:46,869 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr8ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 38 remaining) [2024-02-02 09:15:46,869 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr9ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 38 remaining) [2024-02-02 09:15:46,869 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr10ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 38 remaining) [2024-02-02 09:15:46,870 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr15ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 38 remaining) [2024-02-02 09:15:46,870 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr11ASSERT_VIOLATIONERROR_FUNCTION (3 of 38 remaining) [2024-02-02 09:15:46,870 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr12ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 38 remaining) [2024-02-02 09:15:46,870 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr13ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 38 remaining) [2024-02-02 09:15:46,870 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr14ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 38 remaining) [2024-02-02 09:15:46,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-02-02 09:15:46,870 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-02-02 09:15:46,875 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-02-02 09:15:46,875 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-02-02 09:15:46,896 INFO L503 ceAbstractionStarter]: Automizer considered 20 witness invariants [2024-02-02 09:15:46,896 INFO L504 ceAbstractionStarter]: WitnessConsidered=20 [2024-02-02 09:15:46,898 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.02 09:15:46 BasicIcfg [2024-02-02 09:15:46,898 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-02-02 09:15:46,899 INFO L158 Benchmark]: Toolchain (without parser) took 1964.05ms. Allocated memory is still 140.5MB. Free memory was 107.9MB in the beginning and 51.2MB in the end (delta: 56.7MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. [2024-02-02 09:15:46,899 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 140.5MB. Free memory is still 99.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-02 09:15:46,899 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 140.5MB. Free memory is still 111.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-02 09:15:46,899 INFO L158 Benchmark]: CACSL2BoogieTranslator took 607.17ms. Allocated memory is still 140.5MB. Free memory was 107.5MB in the beginning and 73.9MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-02-02 09:15:46,901 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.60ms. Allocated memory is still 140.5MB. Free memory was 73.9MB in the beginning and 71.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-02 09:15:46,901 INFO L158 Benchmark]: Boogie Preprocessor took 67.95ms. Allocated memory is still 140.5MB. Free memory was 71.3MB in the beginning and 68.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-02 09:15:46,901 INFO L158 Benchmark]: RCFGBuilder took 522.26ms. Allocated memory is still 140.5MB. Free memory was 68.7MB in the beginning and 105.0MB in the end (delta: -36.4MB). Peak memory consumption was 36.9MB. Max. memory is 16.1GB. [2024-02-02 09:15:46,902 INFO L158 Benchmark]: TraceAbstraction took 693.84ms. Allocated memory is still 140.5MB. Free memory was 104.3MB in the beginning and 51.2MB in the end (delta: 53.1MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2024-02-02 09:15:46,905 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 0.17ms. Allocated memory is still 140.5MB. Free memory is still 99.7MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.13ms. Allocated memory is still 140.5MB. Free memory is still 111.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 607.17ms. Allocated memory is still 140.5MB. Free memory was 107.5MB in the beginning and 73.9MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.60ms. Allocated memory is still 140.5MB. Free memory was 73.9MB in the beginning and 71.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.95ms. Allocated memory is still 140.5MB. Free memory was 71.3MB in the beginning and 68.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 522.26ms. Allocated memory is still 140.5MB. Free memory was 68.7MB in the beginning and 105.0MB in the end (delta: -36.4MB). Peak memory consumption was 36.9MB. Max. memory is 16.1GB. * TraceAbstraction took 693.84ms. Allocated memory is still 140.5MB. Free memory was 104.3MB in the beginning and 51.2MB in the end (delta: 53.1MB). Peak memory consumption was 52.4MB. 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, 0.0s 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! [2024-02-02 09:15:46,927 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE