./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.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/sssc12_variant.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_variant.i ./goblint.2023-12-19_14-39-08.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-59af5db-m [2024-02-02 09:15:50,905 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-02 09:15:50,949 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-02 09:15:50,953 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-02 09:15:50,954 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-02 09:15:50,973 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-02 09:15:50,973 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-02 09:15:50,974 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-02 09:15:50,975 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-02 09:15:50,976 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-02 09:15:50,976 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-02 09:15:50,976 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-02 09:15:50,977 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-02 09:15:50,979 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-02 09:15:50,979 INFO L153 SettingsManager]: * Use SBE=true [2024-02-02 09:15:50,980 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-02 09:15:50,981 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-02 09:15:50,984 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-02 09:15:50,984 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-02 09:15:50,984 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-02 09:15:50,985 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-02 09:15:50,985 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-02 09:15:50,985 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-02 09:15:50,985 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-02 09:15:50,985 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-02 09:15:50,986 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-02 09:15:50,986 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-02 09:15:50,986 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-02 09:15:50,986 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-02 09:15:50,986 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-02 09:15:50,986 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-02 09:15:50,987 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-02 09:15:50,987 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-02 09:15:50,987 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-02 09:15:50,987 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-02 09:15:50,987 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-02 09:15:50,987 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-02 09:15:50,988 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-02 09:15:50,988 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-02 09:15:50,988 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-02 09:15:50,988 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-02 09:15:50,989 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-02 09:15:50,989 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-02 09:15:50,989 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-02 09:15:51,222 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-02 09:15:51,253 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-02 09:15:51,255 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-02 09:15:51,256 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-02 09:15:51,257 INFO L274 PluginConnector]: CDTParser initialized [2024-02-02 09:15:51,258 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-lit/sssc12_variant.i [2024-02-02 09:15:52,478 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-02 09:15:52,764 INFO L384 CDTParser]: Found 1 translation units. [2024-02-02 09:15:52,765 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/sssc12_variant.i [2024-02-02 09:15:52,797 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24f894b12/cc7df21cf3574446b0bc220eee9cb1ba/FLAG40c553339 [2024-02-02 09:15:52,810 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24f894b12/cc7df21cf3574446b0bc220eee9cb1ba [2024-02-02 09:15:52,812 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-02 09:15:52,813 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-02 09:15:52,814 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/sssc12_variant.yml/witness.yml [2024-02-02 09:15:52,964 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-02 09:15:52,967 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-02 09:15:52,969 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-02 09:15:52,970 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-02 09:15:52,975 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-02 09:15:52,975 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 09:15:52" (1/2) ... [2024-02-02 09:15:52,977 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28165983 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:15:52, skipping insertion in model container [2024-02-02 09:15:52,977 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 09:15:52" (1/2) ... [2024-02-02 09:15:52,979 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@25528b48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:15:52, skipping insertion in model container [2024-02-02 09:15:52,979 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 02.02 09:15:52" (2/2) ... [2024-02-02 09:15:52,979 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28165983 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:15:52, skipping insertion in model container [2024-02-02 09:15:52,980 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 02.02 09:15:52" (2/2) ... [2024-02-02 09:15:52,980 INFO L86 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-02 09:15:53,108 INFO L99 nessWitnessExtractor]: Found the following entries in the witness: [2024-02-02 09:15:53,109 INFO L101 nessWitnessExtractor]: Location invariant before [L1041-L1041] data == 0 [2024-02-02 09:15:53,110 INFO L101 nessWitnessExtractor]: Location invariant before [L1030-L1030] (-2147483638 <= end) && ((unsigned long )arg == 0UL) [2024-02-02 09:15:53,110 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 09:15:53,110 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 09:15:53,110 INFO L101 nessWitnessExtractor]: Location invariant before [L1032-L1032] (((-2147483638 <= end) && (c <= 2147483646)) && ((-1LL - (long long )c) + (long long )end >= 0LL)) && ((unsigned long )arg == 0UL) [2024-02-02 09:15:53,111 INFO L101 nessWitnessExtractor]: Location invariant before [L1043-L1043] data == 0 [2024-02-02 09:15:53,111 INFO L101 nessWitnessExtractor]: Location invariant before [L1045-L1045] data == 0 [2024-02-02 09:15:53,111 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 09:15:53,112 INFO L101 nessWitnessExtractor]: Loop invariant at [L1031-L1036] (-2147483638 <= end) && ((unsigned long )arg == 0UL) [2024-02-02 09:15:53,112 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 09:15:53,112 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 09:15:53,112 INFO L101 nessWitnessExtractor]: Location invariant before [L1037-L1037] (((-2147483638 <= c) && (-2147483638 <= end)) && ((long long )c - (long long )end >= 0LL)) && ((unsigned long )arg == 0UL) [2024-02-02 09:15:53,112 INFO L101 nessWitnessExtractor]: Location invariant before [L1042-L1042] data == 0 [2024-02-02 09:15:53,113 INFO L101 nessWitnessExtractor]: Location invariant before [L1035-L1035] (((-2147483638 <= end) && (c <= 2147483646)) && ((-1LL - (long long )c) + (long long )end >= 0LL)) && ((unsigned long )arg == 0UL) [2024-02-02 09:15:53,113 INFO L101 nessWitnessExtractor]: Location invariant before [L1028-L1028] ((0 == end) && (end == 0)) && ((unsigned long )arg == 0UL) [2024-02-02 09:15:53,113 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 09:15:53,113 INFO L101 nessWitnessExtractor]: Location invariant before [L1019-L1019] (int )lock == 0 [2024-02-02 09:15:53,113 INFO L101 nessWitnessExtractor]: Location invariant before [L1044-L1044] data == 0 [2024-02-02 09:15:53,113 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 09:15:53,114 INFO L101 nessWitnessExtractor]: Location invariant before [L1013-L1013] (int )lock == 1 [2024-02-02 09:15:53,114 INFO L101 nessWitnessExtractor]: Location invariant before [L22-L22] data == 0 [2024-02-02 09:15:53,161 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-02-02 09:15:53,627 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] [2024-02-02 09:15:53,652 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-02 09:15:53,660 INFO L202 MainTranslator]: Completed pre-run [2024-02-02 09:15:53,669 WARN L424 MainDispatcher]: Unable to annotate typedef unsigned int __mode_t; with a witness entry [2024-02-02 09:15:53,694 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 [2024-02-02 09:15:53,758 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-02 09:15:53,852 INFO L206 MainTranslator]: Completed translation [2024-02-02 09:15:53,852 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:15:53 WrapperNode [2024-02-02 09:15:53,853 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-02 09:15:53,853 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-02 09:15:53,853 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-02 09:15:53,854 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-02 09:15:53,863 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 02.02 09:15:53" (1/1) ... [2024-02-02 09:15:53,883 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 02.02 09:15:53" (1/1) ... [2024-02-02 09:15:53,908 INFO L138 Inliner]: procedures = 275, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 107 [2024-02-02 09:15:53,909 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-02 09:15:53,909 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-02 09:15:53,909 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-02 09:15:53,910 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-02 09:15:53,917 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:15:53" (1/1) ... [2024-02-02 09:15:53,917 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:15:53" (1/1) ... [2024-02-02 09:15:53,920 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:15:53" (1/1) ... [2024-02-02 09:15:53,932 INFO L175 MemorySlicer]: Split 6 memory accesses to 3 slices as follows [2, 1, 3]. 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, 1, 2]. [2024-02-02 09:15:53,932 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:15:53" (1/1) ... [2024-02-02 09:15:53,933 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:15:53" (1/1) ... [2024-02-02 09:15:53,939 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:15:53" (1/1) ... [2024-02-02 09:15:53,942 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:15:53" (1/1) ... [2024-02-02 09:15:53,944 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:15:53" (1/1) ... [2024-02-02 09:15:53,945 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:15:53" (1/1) ... [2024-02-02 09:15:53,949 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-02 09:15:53,950 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-02 09:15:53,950 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-02 09:15:53,950 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-02 09:15:53,953 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:15:53" (1/1) ... [2024-02-02 09:15:53,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-02 09:15:53,969 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-02 09:15:53,984 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 09:15:53,986 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 09:15:54,011 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-02 09:15:54,011 INFO L130 BoogieDeclarations]: Found specification of procedure thr [2024-02-02 09:15:54,011 INFO L138 BoogieDeclarations]: Found implementation of procedure thr [2024-02-02 09:15:54,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-02 09:15:54,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-02 09:15:54,012 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-02 09:15:54,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-02-02 09:15:54,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-02-02 09:15:54,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-02-02 09:15:54,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-02 09:15:54,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-02 09:15:54,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-02 09:15:54,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-02-02 09:15:54,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-02 09:15:54,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-02 09:15:54,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-02 09:15:54,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-02 09:15:54,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-02 09:15:54,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-02 09:15:54,015 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 09:15:54,125 INFO L244 CfgBuilder]: Building ICFG [2024-02-02 09:15:54,126 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-02 09:15:54,373 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-02 09:15:54,373 INFO L293 CfgBuilder]: Performing block encoding [2024-02-02 09:15:54,487 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-02 09:15:54,487 INFO L320 CfgBuilder]: Removed 2 assume(true) statements. [2024-02-02 09:15:54,488 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 09:15:54 BoogieIcfgContainer [2024-02-02 09:15:54,488 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-02 09:15:54,489 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-02 09:15:54,490 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-02 09:15:54,492 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-02 09:15:54,492 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.02 09:15:52" (1/4) ... [2024-02-02 09:15:54,493 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1da8fa44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 09:15:54, skipping insertion in model container [2024-02-02 09:15:54,493 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 02.02 09:15:52" (2/4) ... [2024-02-02 09:15:54,493 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1da8fa44 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 02.02 09:15:54, skipping insertion in model container [2024-02-02 09:15:54,493 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:15:53" (3/4) ... [2024-02-02 09:15:54,494 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1da8fa44 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 02.02 09:15:54, skipping insertion in model container [2024-02-02 09:15:54,494 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 09:15:54" (4/4) ... [2024-02-02 09:15:54,495 INFO L112 eAbstractionObserver]: Analyzing ICFG sssc12_variant.i [2024-02-02 09:15:54,518 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-02 09:15:54,518 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2024-02-02 09:15:54,518 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-02 09:15:54,596 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-02-02 09:15:54,641 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 60 places, 60 transitions, 124 flow [2024-02-02 09:15:54,689 INFO L124 PetriNetUnfolderBase]: 3/62 cut-off events. [2024-02-02 09:15:54,689 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-02 09:15:54,692 INFO L83 FinitePrefix]: Finished finitePrefix Result has 66 conditions, 62 events. 3/62 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 66 event pairs, 0 based on Foata normal form. 0/35 useless extension candidates. Maximal degree in co-relation 47. Up to 2 conditions per place. [2024-02-02 09:15:54,693 INFO L82 GeneralOperation]: Start removeDead. Operand has 60 places, 60 transitions, 124 flow [2024-02-02 09:15:54,697 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 60 places, 60 transitions, 124 flow [2024-02-02 09:15:54,714 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-02 09:15:54,723 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;@4d3f29d0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-02 09:15:54,723 INFO L358 AbstractCegarLoop]: Starting to check reachability of 40 error locations. [2024-02-02 09:15:54,726 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-02 09:15:54,726 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-02-02 09:15:54,726 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-02 09:15:54,727 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-02 09:15:54,727 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-02-02 09:15:54,728 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 37 more)] === [2024-02-02 09:15:54,734 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-02 09:15:54,735 INFO L85 PathProgramCache]: Analyzing trace with hash 10346, now seen corresponding path program 1 times [2024-02-02 09:15:54,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-02 09:15:54,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451192795] [2024-02-02 09:15:54,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-02 09:15:54,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-02 09:15:54,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-02 09:15:54,944 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 09:15:54,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-02 09:15:54,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451192795] [2024-02-02 09:15:54,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451192795] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-02 09:15:54,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-02 09:15:54,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-02 09:15:54,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080836610] [2024-02-02 09:15:54,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-02 09:15:54,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-02 09:15:54,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-02 09:15:54,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-02 09:15:54,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-02 09:15:54,995 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 28 out of 60 [2024-02-02 09:15:54,999 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 60 transitions, 124 flow. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 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 09:15:55,000 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-02 09:15:55,000 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 28 of 60 [2024-02-02 09:15:55,001 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-02 09:15:55,128 INFO L124 PetriNetUnfolderBase]: 32/160 cut-off events. [2024-02-02 09:15:55,128 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-02 09:15:55,130 INFO L83 FinitePrefix]: Finished finitePrefix Result has 243 conditions, 160 events. 32/160 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 519 event pairs, 26 based on Foata normal form. 3/142 useless extension candidates. Maximal degree in co-relation 221. Up to 74 conditions per place. [2024-02-02 09:15:55,133 INFO L140 encePairwiseOnDemand]: 49/60 looper letters, 21 selfloop transitions, 2 changer transitions 0/51 dead transitions. [2024-02-02 09:15:55,133 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 51 transitions, 152 flow [2024-02-02 09:15:55,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-02 09:15:55,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-02 09:15:55,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 116 transitions. [2024-02-02 09:15:55,145 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6444444444444445 [2024-02-02 09:15:55,147 INFO L175 Difference]: Start difference. First operand has 60 places, 60 transitions, 124 flow. Second operand 3 states and 116 transitions. [2024-02-02 09:15:55,148 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 51 transitions, 152 flow [2024-02-02 09:15:55,150 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 51 transitions, 152 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-02-02 09:15:55,156 INFO L231 Difference]: Finished difference. Result has 54 places, 51 transitions, 110 flow [2024-02-02 09:15:55,158 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=60, PETRI_DIFFERENCE_MINUEND_FLOW=106, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=110, PETRI_PLACES=54, PETRI_TRANSITIONS=51} [2024-02-02 09:15:55,161 INFO L281 CegarLoopForPetriNet]: 60 programPoint places, -6 predicate places. [2024-02-02 09:15:55,161 INFO L495 AbstractCegarLoop]: Abstraction has has 54 places, 51 transitions, 110 flow [2024-02-02 09:15:55,162 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 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 09:15:55,162 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-02 09:15:55,162 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-02-02 09:15:55,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-02 09:15:55,163 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thrErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 37 more)] === [2024-02-02 09:15:55,163 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-02 09:15:55,164 INFO L85 PathProgramCache]: Analyzing trace with hash 897421053, now seen corresponding path program 1 times [2024-02-02 09:15:55,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-02 09:15:55,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576527711] [2024-02-02 09:15:55,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-02 09:15:55,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-02 09:15:55,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-02 09:15:55,235 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-02 09:15:55,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-02 09:15:55,298 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-02 09:15:55,299 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-02-02 09:15:55,301 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location thrErr0ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 40 remaining) [2024-02-02 09:15:55,303 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 40 remaining) [2024-02-02 09:15:55,304 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 40 remaining) [2024-02-02 09:15:55,305 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 40 remaining) [2024-02-02 09:15:55,305 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 40 remaining) [2024-02-02 09:15:55,306 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 40 remaining) [2024-02-02 09:15:55,306 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (33 of 40 remaining) [2024-02-02 09:15:55,308 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 40 remaining) [2024-02-02 09:15:55,309 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 40 remaining) [2024-02-02 09:15:55,309 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 40 remaining) [2024-02-02 09:15:55,309 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 40 remaining) [2024-02-02 09:15:55,314 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 40 remaining) [2024-02-02 09:15:55,315 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 40 remaining) [2024-02-02 09:15:55,315 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr7ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 40 remaining) [2024-02-02 09:15:55,316 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr6ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 40 remaining) [2024-02-02 09:15:55,316 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr8ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 40 remaining) [2024-02-02 09:15:55,316 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr9ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 40 remaining) [2024-02-02 09:15:55,316 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr10ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 40 remaining) [2024-02-02 09:15:55,316 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr16ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 40 remaining) [2024-02-02 09:15:55,317 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr11ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 40 remaining) [2024-02-02 09:15:55,317 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr12ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 40 remaining) [2024-02-02 09:15:55,318 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr13ASSERT_VIOLATIONERROR_FUNCTION (18 of 40 remaining) [2024-02-02 09:15:55,321 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr14ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 40 remaining) [2024-02-02 09:15:55,321 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr15ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 40 remaining) [2024-02-02 09:15:55,321 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 40 remaining) [2024-02-02 09:15:55,322 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 40 remaining) [2024-02-02 09:15:55,322 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 40 remaining) [2024-02-02 09:15:55,322 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 40 remaining) [2024-02-02 09:15:55,322 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 40 remaining) [2024-02-02 09:15:55,322 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr7ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 40 remaining) [2024-02-02 09:15:55,323 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr6ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 40 remaining) [2024-02-02 09:15:55,323 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr8ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 40 remaining) [2024-02-02 09:15:55,323 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr9ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 40 remaining) [2024-02-02 09:15:55,323 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr10ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 40 remaining) [2024-02-02 09:15:55,323 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr16ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 40 remaining) [2024-02-02 09:15:55,324 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr11ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 40 remaining) [2024-02-02 09:15:55,324 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr12ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 40 remaining) [2024-02-02 09:15:55,324 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr13ASSERT_VIOLATIONERROR_FUNCTION (2 of 40 remaining) [2024-02-02 09:15:55,324 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr14ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 40 remaining) [2024-02-02 09:15:55,324 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr15ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 40 remaining) [2024-02-02 09:15:55,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-02-02 09:15:55,325 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-02-02 09:15:55,333 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-02-02 09:15:55,333 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-02-02 09:15:55,368 INFO L503 ceAbstractionStarter]: Automizer considered 21 witness invariants [2024-02-02 09:15:55,368 INFO L504 ceAbstractionStarter]: WitnessConsidered=21 [2024-02-02 09:15:55,369 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.02 09:15:55 BasicIcfg [2024-02-02 09:15:55,369 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-02-02 09:15:55,370 INFO L158 Benchmark]: Toolchain (without parser) took 2402.95ms. Allocated memory is still 174.1MB. Free memory was 97.5MB in the beginning and 123.6MB in the end (delta: -26.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-02-02 09:15:55,370 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 117.4MB. Free memory is still 77.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-02 09:15:55,371 INFO L158 Benchmark]: Witness Parser took 0.20ms. Allocated memory is still 174.1MB. Free memory was 102.7MB in the beginning and 102.6MB in the end (delta: 150.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-02-02 09:15:55,371 INFO L158 Benchmark]: CACSL2BoogieTranslator took 883.33ms. Allocated memory is still 174.1MB. Free memory was 97.3MB in the beginning and 136.0MB in the end (delta: -38.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-02-02 09:15:55,371 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.24ms. Allocated memory is still 174.1MB. Free memory was 136.0MB in the beginning and 133.3MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-02-02 09:15:55,371 INFO L158 Benchmark]: Boogie Preprocessor took 39.62ms. Allocated memory is still 174.1MB. Free memory was 133.3MB in the beginning and 130.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-02 09:15:55,373 INFO L158 Benchmark]: RCFGBuilder took 538.24ms. Allocated memory is still 174.1MB. Free memory was 130.9MB in the beginning and 97.6MB in the end (delta: 33.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-02-02 09:15:55,373 INFO L158 Benchmark]: TraceAbstraction took 880.18ms. Allocated memory is still 174.1MB. Free memory was 96.7MB in the beginning and 123.6MB in the end (delta: -26.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-02-02 09:15:55,376 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 117.4MB. Free memory is still 77.6MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.20ms. Allocated memory is still 174.1MB. Free memory was 102.7MB in the beginning and 102.6MB in the end (delta: 150.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 883.33ms. Allocated memory is still 174.1MB. Free memory was 97.3MB in the beginning and 136.0MB in the end (delta: -38.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.24ms. Allocated memory is still 174.1MB. Free memory was 136.0MB in the beginning and 133.3MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.62ms. Allocated memory is still 174.1MB. Free memory was 133.3MB in the beginning and 130.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 538.24ms. Allocated memory is still 174.1MB. Free memory was 130.9MB in the beginning and 97.6MB in the end (delta: 33.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 880.18ms. Allocated memory is still 174.1MB. Free memory was 96.7MB in the beginning and 123.6MB in the end (delta: -26.9MB). There was no memory consumed. 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: 1032]: 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: 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. - 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, 100 locations, 40 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: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8 SdHoareTripleChecker+Valid, 0.1s 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, 41 IncrementalHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 0 mSDtfsCounter, 41 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=124occurred 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! [2024-02-02 09:15:55,413 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