./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-lit/sssc12_variant.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-01-24_13-31-21.files/SV-COMP24_unreach-call/sssc12_variant.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d8006e4b Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread-lit/sssc12_variant.i ./goblint.2024-01-24_13-31-21.files/SV-COMP24_unreach-call/sssc12_variant.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-d8006e4-m [2024-02-05 10:29:32,347 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-05 10:29:32,400 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-05 10:29:32,410 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-05 10:29:32,410 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-05 10:29:32,433 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-05 10:29:32,436 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-05 10:29:32,436 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-05 10:29:32,437 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-05 10:29:32,441 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-05 10:29:32,441 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-05 10:29:32,441 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-05 10:29:32,442 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-05 10:29:32,443 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-05 10:29:32,443 INFO L153 SettingsManager]: * Use SBE=true [2024-02-05 10:29:32,443 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-05 10:29:32,443 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-05 10:29:32,444 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-05 10:29:32,444 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-05 10:29:32,444 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-05 10:29:32,444 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-05 10:29:32,445 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-05 10:29:32,445 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-05 10:29:32,445 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-05 10:29:32,446 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-05 10:29:32,446 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-05 10:29:32,446 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-05 10:29:32,446 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-05 10:29:32,446 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-05 10:29:32,447 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-05 10:29:32,447 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-05 10:29:32,447 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-05 10:29:32,447 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-05 10:29:32,447 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-05 10:29:32,448 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-05 10:29:32,448 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-05 10:29:32,448 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-05 10:29:32,448 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-05 10:29:32,448 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-05 10:29:32,449 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-05 10:29:32,449 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-05 10:29:32,449 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-05 10:29:32,449 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-05 10:29:32,449 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-05 10:29:32,628 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-05 10:29:32,645 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-05 10:29:32,647 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-05 10:29:32,648 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-05 10:29:32,648 INFO L274 PluginConnector]: CDTParser initialized [2024-02-05 10:29:32,649 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-lit/sssc12_variant.i [2024-02-05 10:29:33,738 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-05 10:29:33,959 INFO L384 CDTParser]: Found 1 translation units. [2024-02-05 10:29:33,960 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/sssc12_variant.i [2024-02-05 10:29:33,986 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5590b750d/91621556f8804cf9bb1cb4ef048a98d5/FLAGdf2a7ca85 [2024-02-05 10:29:33,997 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5590b750d/91621556f8804cf9bb1cb4ef048a98d5 [2024-02-05 10:29:34,000 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-05 10:29:34,000 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-05 10:29:34,000 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-01-24_13-31-21.files/SV-COMP24_unreach-call/sssc12_variant.yml/witness.yml [2024-02-05 10:29:34,115 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-05 10:29:34,117 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-05 10:29:34,118 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-05 10:29:34,119 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-05 10:29:34,122 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-05 10:29:34,123 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 10:29:33" (1/2) ... [2024-02-05 10:29:34,124 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32e19601 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:29:34, skipping insertion in model container [2024-02-05 10:29:34,124 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 10:29:33" (1/2) ... [2024-02-05 10:29:34,126 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@42a1da16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:29:34, skipping insertion in model container [2024-02-05 10:29:34,126 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 05.02 10:29:34" (2/2) ... [2024-02-05 10:29:34,126 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32e19601 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:29:34, skipping insertion in model container [2024-02-05 10:29:34,126 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 05.02 10:29:34" (2/2) ... [2024-02-05 10:29:34,127 INFO L86 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-05 10:29:34,250 INFO L99 nessWitnessExtractor]: Found the following entries in the witness: [2024-02-05 10:29:34,251 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) [2024-02-05 10:29:34,251 INFO L101 nessWitnessExtractor]: Location invariant before [L1037-L1037] (((-2147483638 <= c) && (-2147483638 <= end)) && ((long long )c - (long long )end >= 0LL)) && ((unsigned long )arg == 0UL) [2024-02-05 10:29:34,251 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) [2024-02-05 10:29:34,252 INFO L101 nessWitnessExtractor]: Location invariant before [L1042-L1042] data == 0 [2024-02-05 10:29:34,252 INFO L101 nessWitnessExtractor]: Location invariant before [L1033-L1033] (((-2147483638 <= end) && (c <= 2147483646)) && ((-1LL - (long long )c) + (long long )end >= 0LL)) && ((unsigned long )arg == 0UL) [2024-02-05 10:29:34,252 INFO L101 nessWitnessExtractor]: Location invariant before [L1044-L1044] data == 0 [2024-02-05 10:29:34,252 INFO L101 nessWitnessExtractor]: Location invariant before [L1032-L1032] (((-2147483638 <= end) && (c <= 2147483646)) && ((-1LL - (long long )c) + (long long )end >= 0LL)) && ((unsigned long )arg == 0UL) [2024-02-05 10:29:34,252 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) [2024-02-05 10:29:34,252 INFO L101 nessWitnessExtractor]: Location invariant before [L1034-L1034] (((-2147483638 <= end) && (c <= 2147483646)) && ((-1LL - (long long )c) + (long long )end >= 0LL)) && ((unsigned long )arg == 0UL) [2024-02-05 10:29:34,252 INFO L101 nessWitnessExtractor]: Location invariant before [L1028-L1028] ((0 == end) && (end == 0)) && ((unsigned long )arg == 0UL) [2024-02-05 10:29:34,252 INFO L101 nessWitnessExtractor]: Location invariant before [L1030-L1030] (-2147483638 <= end) && ((unsigned long )arg == 0UL) [2024-02-05 10:29:34,253 INFO L101 nessWitnessExtractor]: Location invariant before [L1035-L1035] (((-2147483638 <= end) && (c <= 2147483646)) && ((-1LL - (long long )c) + (long long )end >= 0LL)) && ((unsigned long )arg == 0UL) [2024-02-05 10:29:34,253 INFO L101 nessWitnessExtractor]: Location invariant before [L1026-L1026] ((((((((((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) [2024-02-05 10:29:34,253 INFO L101 nessWitnessExtractor]: Location invariant before [L1043-L1043] data == 0 [2024-02-05 10:29:34,253 INFO L101 nessWitnessExtractor]: Location invariant before [L1019-L1019] (int )lock == 0 [2024-02-05 10:29:34,253 INFO L101 nessWitnessExtractor]: Location invariant before [L1045-L1045] data == 0 [2024-02-05 10:29:34,253 INFO L101 nessWitnessExtractor]: Loop invariant at [L1031-L1031] (-2147483638 <= end) && ((unsigned long )arg == 0UL) [2024-02-05 10:29:34,253 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) [2024-02-05 10:29:34,254 INFO L101 nessWitnessExtractor]: Location invariant before [L1013-L1013] (int )lock == 1 [2024-02-05 10:29:34,254 INFO L101 nessWitnessExtractor]: Location invariant before [L1041-L1041] data == 0 [2024-02-05 10:29:34,297 INFO L179 MainTranslator]: Built tables and reachable declarations [2024-02-05 10:29:34,611 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/sssc12_variant.i[46865,46878] [2024-02-05 10:29:34,642 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-05 10:29:34,652 INFO L204 MainTranslator]: Completed pre-run [2024-02-05 10:29:34,687 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/sssc12_variant.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 Start Parsing Local [2024-02-05 10:29:34,732 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-05 10:29:34,784 INFO L208 MainTranslator]: Completed translation [2024-02-05 10:29:34,785 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:29:34 WrapperNode [2024-02-05 10:29:34,785 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-05 10:29:34,786 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-05 10:29:34,786 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-05 10:29:34,787 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-05 10:29:34,792 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 05.02 10:29:34" (1/1) ... [2024-02-05 10:29:34,821 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 05.02 10:29:34" (1/1) ... [2024-02-05 10:29:34,855 INFO L138 Inliner]: procedures = 275, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 106 [2024-02-05 10:29:34,856 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-05 10:29:34,856 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-05 10:29:34,856 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-05 10:29:34,856 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-05 10:29:34,870 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:29:34" (1/1) ... [2024-02-05 10:29:34,870 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:29:34" (1/1) ... [2024-02-05 10:29:34,876 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:29:34" (1/1) ... [2024-02-05 10:29:34,897 INFO L175 MemorySlicer]: Split 6 memory accesses to 3 slices as follows [2, 3, 1]. 50 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 3 writes are split as follows [0, 2, 1]. [2024-02-05 10:29:34,897 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:29:34" (1/1) ... [2024-02-05 10:29:34,898 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:29:34" (1/1) ... [2024-02-05 10:29:34,915 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:29:34" (1/1) ... [2024-02-05 10:29:34,918 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:29:34" (1/1) ... [2024-02-05 10:29:34,924 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:29:34" (1/1) ... [2024-02-05 10:29:34,926 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:29:34" (1/1) ... [2024-02-05 10:29:34,928 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-05 10:29:34,930 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-05 10:29:34,931 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-05 10:29:34,931 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-05 10:29:34,932 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:29:34" (1/1) ... [2024-02-05 10:29:34,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-05 10:29:34,943 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-05 10:29:34,958 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) [2024-02-05 10:29:34,981 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 [2024-02-05 10:29:34,995 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-05 10:29:34,995 INFO L130 BoogieDeclarations]: Found specification of procedure thr [2024-02-05 10:29:34,995 INFO L138 BoogieDeclarations]: Found implementation of procedure thr [2024-02-05 10:29:34,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-05 10:29:34,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-05 10:29:34,996 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-05 10:29:34,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-02-05 10:29:34,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-02-05 10:29:34,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-02-05 10:29:34,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-05 10:29:34,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-05 10:29:34,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-05 10:29:34,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-02-05 10:29:34,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-05 10:29:34,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-05 10:29:34,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-05 10:29:34,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-05 10:29:34,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-05 10:29:34,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-05 10:29:35,000 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-05 10:29:35,107 INFO L244 CfgBuilder]: Building ICFG [2024-02-05 10:29:35,109 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-05 10:29:35,315 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-05 10:29:35,315 INFO L293 CfgBuilder]: Performing block encoding [2024-02-05 10:29:35,409 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-05 10:29:35,409 INFO L320 CfgBuilder]: Removed 2 assume(true) statements. [2024-02-05 10:29:35,409 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.02 10:29:35 BoogieIcfgContainer [2024-02-05 10:29:35,409 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-05 10:29:35,411 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-05 10:29:35,411 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-05 10:29:35,413 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-05 10:29:35,414 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.02 10:29:33" (1/4) ... [2024-02-05 10:29:35,414 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a2bd247 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 10:29:35, skipping insertion in model container [2024-02-05 10:29:35,414 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 05.02 10:29:34" (2/4) ... [2024-02-05 10:29:35,415 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a2bd247 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 05.02 10:29:35, skipping insertion in model container [2024-02-05 10:29:35,415 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:29:34" (3/4) ... [2024-02-05 10:29:35,415 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a2bd247 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 05.02 10:29:35, skipping insertion in model container [2024-02-05 10:29:35,415 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.02 10:29:35" (4/4) ... [2024-02-05 10:29:35,416 INFO L112 eAbstractionObserver]: Analyzing ICFG sssc12_variant.i [2024-02-05 10:29:35,429 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-05 10:29:35,429 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 21 error locations. [2024-02-05 10:29:35,429 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-05 10:29:35,502 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-02-05 10:29:35,530 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 58 places, 59 transitions, 122 flow [2024-02-05 10:29:35,571 INFO L124 PetriNetUnfolderBase]: 4/61 cut-off events. [2024-02-05 10:29:35,572 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-05 10:29:35,574 INFO L83 FinitePrefix]: Finished finitePrefix Result has 65 conditions, 61 events. 4/61 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 60 event pairs, 0 based on Foata normal form. 0/34 useless extension candidates. Maximal degree in co-relation 46. Up to 2 conditions per place. [2024-02-05 10:29:35,575 INFO L82 GeneralOperation]: Start removeDead. Operand has 58 places, 59 transitions, 122 flow [2024-02-05 10:29:35,578 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 58 places, 59 transitions, 122 flow [2024-02-05 10:29:35,592 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-05 10:29:35,599 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;@7f3edc94, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-05 10:29:35,600 INFO L358 AbstractCegarLoop]: Starting to check reachability of 38 error locations. [2024-02-05 10:29:35,602 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-05 10:29:35,602 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-02-05 10:29:35,602 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-05 10:29:35,602 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-05 10:29:35,603 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-02-05 10:29:35,604 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)] === [2024-02-05 10:29:35,609 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-05 10:29:35,609 INFO L85 PathProgramCache]: Analyzing trace with hash 10216, now seen corresponding path program 1 times [2024-02-05 10:29:35,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-05 10:29:35,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311048913] [2024-02-05 10:29:35,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-05 10:29:35,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-05 10:29:35,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-05 10:29:35,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-05 10:29:35,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-05 10:29:35,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311048913] [2024-02-05 10:29:35,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [311048913] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-05 10:29:35,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-05 10:29:35,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-05 10:29:35,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771343764] [2024-02-05 10:29:35,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-05 10:29:35,892 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-05 10:29:35,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-05 10:29:35,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-05 10:29:35,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-05 10:29:35,924 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 59 [2024-02-05 10:29:35,926 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 59 transitions, 122 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) [2024-02-05 10:29:35,927 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-05 10:29:35,927 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 59 [2024-02-05 10:29:35,928 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-05 10:29:36,006 INFO L124 PetriNetUnfolderBase]: 28/149 cut-off events. [2024-02-05 10:29:36,007 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-05 10:29:36,008 INFO L83 FinitePrefix]: Finished finitePrefix Result has 225 conditions, 149 events. 28/149 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 482 event pairs, 22 based on Foata normal form. 6/134 useless extension candidates. Maximal degree in co-relation 202. Up to 67 conditions per place. [2024-02-05 10:29:36,012 INFO L140 encePairwiseOnDemand]: 47/59 looper letters, 20 selfloop transitions, 2 changer transitions 0/49 dead transitions. [2024-02-05 10:29:36,012 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 49 transitions, 146 flow [2024-02-05 10:29:36,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-05 10:29:36,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-05 10:29:36,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 113 transitions. [2024-02-05 10:29:36,022 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6384180790960452 [2024-02-05 10:29:36,023 INFO L175 Difference]: Start difference. First operand has 58 places, 59 transitions, 122 flow. Second operand 3 states and 113 transitions. [2024-02-05 10:29:36,024 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 49 transitions, 146 flow [2024-02-05 10:29:36,026 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 49 transitions, 146 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-02-05 10:29:36,031 INFO L231 Difference]: Finished difference. Result has 52 places, 49 transitions, 106 flow [2024-02-05 10:29:36,033 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=59, 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} [2024-02-05 10:29:36,037 INFO L281 CegarLoopForPetriNet]: 58 programPoint places, -6 predicate places. [2024-02-05 10:29:36,037 INFO L495 AbstractCegarLoop]: Abstraction has has 52 places, 49 transitions, 106 flow [2024-02-05 10:29:36,038 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) [2024-02-05 10:29:36,038 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-05 10:29:36,038 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-02-05 10:29:36,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-05 10:29:36,038 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thrErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 35 more)] === [2024-02-05 10:29:36,039 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-05 10:29:36,039 INFO L85 PathProgramCache]: Analyzing trace with hash 1107833945, now seen corresponding path program 1 times [2024-02-05 10:29:36,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-05 10:29:36,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762275214] [2024-02-05 10:29:36,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-05 10:29:36,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-05 10:29:36,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-05 10:29:36,099 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-05 10:29:36,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-05 10:29:36,127 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-05 10:29:36,127 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-02-05 10:29:36,128 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location thrErr0ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 38 remaining) [2024-02-05 10:29:36,130 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 38 remaining) [2024-02-05 10:29:36,130 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 38 remaining) [2024-02-05 10:29:36,130 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 38 remaining) [2024-02-05 10:29:36,130 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 38 remaining) [2024-02-05 10:29:36,131 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 38 remaining) [2024-02-05 10:29:36,131 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (31 of 38 remaining) [2024-02-05 10:29:36,131 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 38 remaining) [2024-02-05 10:29:36,131 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 38 remaining) [2024-02-05 10:29:36,131 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 38 remaining) [2024-02-05 10:29:36,131 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 38 remaining) [2024-02-05 10:29:36,132 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 38 remaining) [2024-02-05 10:29:36,132 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 38 remaining) [2024-02-05 10:29:36,133 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr7ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 38 remaining) [2024-02-05 10:29:36,133 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr6ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 38 remaining) [2024-02-05 10:29:36,133 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr8ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 38 remaining) [2024-02-05 10:29:36,133 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr9ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 38 remaining) [2024-02-05 10:29:36,133 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr15ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 38 remaining) [2024-02-05 10:29:36,134 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr10ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 38 remaining) [2024-02-05 10:29:36,134 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr11ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 38 remaining) [2024-02-05 10:29:36,134 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr12ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 38 remaining) [2024-02-05 10:29:36,135 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr13ASSERT_VIOLATIONERROR_FUNCTION (16 of 38 remaining) [2024-02-05 10:29:36,135 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr14ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 38 remaining) [2024-02-05 10:29:36,137 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 38 remaining) [2024-02-05 10:29:36,137 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 38 remaining) [2024-02-05 10:29:36,137 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 38 remaining) [2024-02-05 10:29:36,137 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 38 remaining) [2024-02-05 10:29:36,138 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 38 remaining) [2024-02-05 10:29:36,138 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr7ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 38 remaining) [2024-02-05 10:29:36,138 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr6ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 38 remaining) [2024-02-05 10:29:36,138 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr8ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 38 remaining) [2024-02-05 10:29:36,138 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr9ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 38 remaining) [2024-02-05 10:29:36,139 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr15ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 38 remaining) [2024-02-05 10:29:36,139 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr10ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 38 remaining) [2024-02-05 10:29:36,139 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr11ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 38 remaining) [2024-02-05 10:29:36,139 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr12ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 38 remaining) [2024-02-05 10:29:36,139 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr13ASSERT_VIOLATIONERROR_FUNCTION (1 of 38 remaining) [2024-02-05 10:29:36,140 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr14ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 38 remaining) [2024-02-05 10:29:36,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-02-05 10:29:36,141 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-02-05 10:29:36,146 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-02-05 10:29:36,146 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-02-05 10:29:36,173 INFO L503 ceAbstractionStarter]: Automizer considered 20 witness invariants [2024-02-05 10:29:36,174 INFO L504 ceAbstractionStarter]: WitnessConsidered=20 [2024-02-05 10:29:36,175 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.02 10:29:36 BasicIcfg [2024-02-05 10:29:36,175 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-02-05 10:29:36,176 INFO L158 Benchmark]: Toolchain (without parser) took 2058.26ms. Allocated memory is still 165.7MB. Free memory was 90.0MB in the beginning and 98.2MB in the end (delta: -8.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-02-05 10:29:36,176 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 104.9MB. Free memory is still 69.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-05 10:29:36,176 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 165.7MB. Free memory was 95.2MB in the beginning and 95.1MB in the end (delta: 187.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-02-05 10:29:36,177 INFO L158 Benchmark]: CACSL2BoogieTranslator took 666.95ms. Allocated memory is still 165.7MB. Free memory was 90.0MB in the beginning and 99.0MB in the end (delta: -9.1MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2024-02-05 10:29:36,177 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.34ms. Allocated memory is still 165.7MB. Free memory was 99.0MB in the beginning and 96.3MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-02-05 10:29:36,177 INFO L158 Benchmark]: Boogie Preprocessor took 73.71ms. Allocated memory is still 165.7MB. Free memory was 96.3MB in the beginning and 93.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-05 10:29:36,177 INFO L158 Benchmark]: RCFGBuilder took 479.16ms. Allocated memory is still 165.7MB. Free memory was 93.7MB in the beginning and 125.0MB in the end (delta: -31.2MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. [2024-02-05 10:29:36,178 INFO L158 Benchmark]: TraceAbstraction took 764.14ms. Allocated memory is still 165.7MB. Free memory was 124.1MB in the beginning and 98.2MB in the end (delta: 25.9MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. [2024-02-05 10:29:36,181 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 104.9MB. Free memory is still 69.1MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 165.7MB. Free memory was 95.2MB in the beginning and 95.1MB in the end (delta: 187.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 666.95ms. Allocated memory is still 165.7MB. Free memory was 90.0MB in the beginning and 99.0MB in the end (delta: -9.1MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.34ms. Allocated memory is still 165.7MB. Free memory was 99.0MB in the beginning and 96.3MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.71ms. Allocated memory is still 165.7MB. Free memory was 96.3MB in the beginning and 93.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 479.16ms. Allocated memory is still 165.7MB. Free memory was 93.7MB in the beginning and 125.0MB in the end (delta: -31.2MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. * TraceAbstraction took 764.14ms. Allocated memory is still 165.7MB. Free memory was 124.1MB in the beginning and 98.2MB in the end (delta: 25.9MB). Peak memory consumption was 23.7MB. 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; [L1040] 0 pthread_t t; VAL [\old(argc)=4294967299, argc=4294967299, argv={4294967297:4294967298}, 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 [\old(argc)=4294967299, argc=4294967299, argv={4294967297:4294967298}, data={0:0}, len=0, lock=0, next=0, t={3:0}] [L1042] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[data],IntegerLiteral[0]]]] [L1042] 0 next = 0 VAL [\old(argc)=4294967299, argc=4294967299, argv={4294967297:4294967298}, data={0:0}, len=0, lock=0, next=0, t={3:0}] [L1043] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[data],IntegerLiteral[0]]]] [L1043] 0 len = __VERIFIER_nondet_int() [L1044] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[data],IntegerLiteral[0]]]] [L1044] CALL 0 assume_abort_if_not(len > 0 && len < 4294967296 / sizeof(int)) [L994] COND FALSE 0 !(!cond) [L1044] RET 0 assume_abort_if_not(len > 0 && len < 4294967296 / sizeof(int)) [L1045] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[data],IntegerLiteral[0]]]] [L1045] 0 data = malloc(sizeof(int) * len) [L1046] COND TRUE 0 1 [L1047] FCALL, FORK 0 pthread_create(&t, 0, thr, 0) VAL [\old(argc)=4294967299, argc=4294967299, argv={4294967297:4294967298}, 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=-1, data={-2:0}, end=4294967296, len=2, lock=0, next=0] - 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: 1045]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1047]: Unable to prove that 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: 1037]: 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: 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: 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: 1035]: 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: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 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=122occurred 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! [2024-02-05 10:29:36,220 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