./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/parallel-misc-2-unrolled-atomic.wvr.c --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/parallel-misc-2-unrolled-atomic.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a340643f 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/weaver/parallel-misc-2-unrolled-atomic.wvr.c ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/parallel-misc-2-unrolled-atomic.wvr.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-a340643-m [2024-01-27 14:51:19,080 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-27 14:51:19,151 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-27 14:51:19,154 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-27 14:51:19,155 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-27 14:51:19,177 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-27 14:51:19,179 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-27 14:51:19,179 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-27 14:51:19,179 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-27 14:51:19,182 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-27 14:51:19,183 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-27 14:51:19,183 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-27 14:51:19,184 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-27 14:51:19,185 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-27 14:51:19,185 INFO L153 SettingsManager]: * Use SBE=true [2024-01-27 14:51:19,185 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-27 14:51:19,185 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-27 14:51:19,186 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-27 14:51:19,186 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-27 14:51:19,187 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-27 14:51:19,187 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-27 14:51:19,187 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-27 14:51:19,188 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-27 14:51:19,188 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-27 14:51:19,188 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-27 14:51:19,188 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-27 14:51:19,188 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-27 14:51:19,189 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-27 14:51:19,189 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-27 14:51:19,189 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-27 14:51:19,190 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-27 14:51:19,190 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-27 14:51:19,191 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-27 14:51:19,191 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-27 14:51:19,191 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-27 14:51:19,191 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-27 14:51:19,191 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-27 14:51:19,191 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-27 14:51:19,192 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-27 14:51:19,192 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-27 14:51:19,192 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-27 14:51:19,192 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-27 14:51:19,193 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-27 14:51:19,193 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-27 14:51:19,402 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-27 14:51:19,422 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-27 14:51:19,424 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-27 14:51:19,424 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-27 14:51:19,425 INFO L274 PluginConnector]: CDTParser initialized [2024-01-27 14:51:19,426 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-misc-2-unrolled-atomic.wvr.c [2024-01-27 14:51:20,415 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-27 14:51:20,606 INFO L384 CDTParser]: Found 1 translation units. [2024-01-27 14:51:20,607 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-2-unrolled-atomic.wvr.c [2024-01-27 14:51:20,615 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6674f8df9/2efefd5fa360425d9fdbe573104705d3/FLAG1b8db0bae [2024-01-27 14:51:20,627 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6674f8df9/2efefd5fa360425d9fdbe573104705d3 [2024-01-27 14:51:20,629 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-27 14:51:20,630 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-27 14:51:20,630 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/parallel-misc-2-unrolled-atomic.wvr.yml/witness.yml [2024-01-27 14:51:20,734 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-27 14:51:20,735 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-27 14:51:20,736 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-27 14:51:20,736 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-27 14:51:20,739 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-27 14:51:20,740 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 02:51:20" (1/2) ... [2024-01-27 14:51:20,741 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20acd9f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:51:20, skipping insertion in model container [2024-01-27 14:51:20,741 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 02:51:20" (1/2) ... [2024-01-27 14:51:20,742 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7eac109 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:51:20, skipping insertion in model container [2024-01-27 14:51:20,742 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 02:51:20" (2/2) ... [2024-01-27 14:51:20,742 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20acd9f2 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:51:20, skipping insertion in model container [2024-01-27 14:51:20,743 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 02:51:20" (2/2) ... [2024-01-27 14:51:20,743 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-27 14:51:20,759 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-27 14:51:20,765 INFO L98 nessWitnessExtractor]: Location invariant before [L59-L59] pos <= 2147483645 [2024-01-27 14:51:20,765 INFO L98 nessWitnessExtractor]: Location invariant before [L59-L59] -2147483646 <= i2 [2024-01-27 14:51:20,765 INFO L98 nessWitnessExtractor]: Location invariant before [L59-L59] (unsigned long )_argptr == 0UL [2024-01-27 14:51:20,765 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] (long long )i1 + (long long )pos >= 0LL [2024-01-27 14:51:20,765 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] i2 == 0 [2024-01-27 14:51:20,766 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] N == 0 [2024-01-27 14:51:20,766 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] (0LL - (long long )i1) + (long long )pos >= 0LL [2024-01-27 14:51:20,766 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] pos == 0 [2024-01-27 14:51:20,766 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] (0LL - (long long )i1) - (long long )pos >= 0LL [2024-01-27 14:51:20,767 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] (long long )i1 - (long long )pos >= 0LL [2024-01-27 14:51:20,767 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] i1 == 0 [2024-01-27 14:51:20,767 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] (unsigned long )_argptr == 0UL [2024-01-27 14:51:20,767 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] N == 0 [2024-01-27 14:51:20,767 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] -2147483647 <= pos [2024-01-27 14:51:20,767 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] (unsigned long )_argptr == 0UL [2024-01-27 14:51:20,767 INFO L98 nessWitnessExtractor]: Location invariant before [L71-L71] i2 == 0 [2024-01-27 14:51:20,767 INFO L98 nessWitnessExtractor]: Location invariant before [L71-L71] N == 0 [2024-01-27 14:51:20,768 INFO L98 nessWitnessExtractor]: Location invariant before [L46-L46] (unsigned long )_argptr == 0UL [2024-01-27 14:51:20,768 INFO L98 nessWitnessExtractor]: Location invariant before [L46-L46] -2147483646 <= i1 [2024-01-27 14:51:20,768 INFO L98 nessWitnessExtractor]: Location invariant before [L46-L46] pos <= 2147483646 [2024-01-27 14:51:20,768 INFO L98 nessWitnessExtractor]: Loop invariant at [L53-L60] (unsigned long )_argptr == 0UL [2024-01-27 14:51:20,768 INFO L98 nessWitnessExtractor]: Location invariant before [L44-L44] -2147483647 <= pos [2024-01-27 14:51:20,769 INFO L98 nessWitnessExtractor]: Location invariant before [L44-L44] -2147483647 <= i1 [2024-01-27 14:51:20,769 INFO L98 nessWitnessExtractor]: Location invariant before [L44-L44] (unsigned long )_argptr == 0UL [2024-01-27 14:51:20,769 INFO L98 nessWitnessExtractor]: Location invariant before [L49-L49] (unsigned long )_argptr == 0UL [2024-01-27 14:51:20,769 INFO L98 nessWitnessExtractor]: Location invariant before [L45-L45] -2147483647 <= i1 [2024-01-27 14:51:20,769 INFO L98 nessWitnessExtractor]: Location invariant before [L45-L45] pos <= 2147483646 [2024-01-27 14:51:20,769 INFO L98 nessWitnessExtractor]: Location invariant before [L45-L45] (unsigned long )_argptr == 0UL [2024-01-27 14:51:20,769 INFO L98 nessWitnessExtractor]: Location invariant before [L41-L41] (unsigned long )_argptr == 0UL [2024-01-27 14:51:20,769 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] 0 <= N [2024-01-27 14:51:20,770 INFO L98 nessWitnessExtractor]: Location invariant before [L57-L57] (unsigned long )_argptr == 0UL [2024-01-27 14:51:20,770 INFO L98 nessWitnessExtractor]: Location invariant before [L57-L57] -2147483647 <= i2 [2024-01-27 14:51:20,770 INFO L98 nessWitnessExtractor]: Location invariant before [L57-L57] -2147483646 <= pos [2024-01-27 14:51:20,770 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] -2147483646 <= pos [2024-01-27 14:51:20,770 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] (unsigned long )_argptr == 0UL [2024-01-27 14:51:20,770 INFO L98 nessWitnessExtractor]: Location invariant before [L62-L62] (unsigned long )_argptr == 0UL [2024-01-27 14:51:20,770 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] (unsigned long )_argptr == 0UL [2024-01-27 14:51:20,770 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] i1 == 0 [2024-01-27 14:51:20,772 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] i2 == 0 [2024-01-27 14:51:20,772 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] N == 0 [2024-01-27 14:51:20,772 INFO L98 nessWitnessExtractor]: Location invariant before [L42-L42] (unsigned long )_argptr == 0UL [2024-01-27 14:51:20,772 INFO L98 nessWitnessExtractor]: Loop invariant at [L40-L47] (unsigned long )_argptr == 0UL [2024-01-27 14:51:20,772 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] N == 0 [2024-01-27 14:51:20,772 INFO L98 nessWitnessExtractor]: Location invariant before [L58-L58] pos <= 2147483645 [2024-01-27 14:51:20,772 INFO L98 nessWitnessExtractor]: Location invariant before [L58-L58] (unsigned long )_argptr == 0UL [2024-01-27 14:51:20,772 INFO L98 nessWitnessExtractor]: Location invariant before [L58-L58] -2147483647 <= i2 [2024-01-27 14:51:20,792 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-27 14:51:20,921 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-2-unrolled-atomic.wvr.c[2278,2291] [2024-01-27 14:51:20,925 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-27 14:51:20,931 INFO L202 MainTranslator]: Completed pre-run [2024-01-27 14:51:20,940 WARN L424 MainDispatcher]: Unable to annotate extern int pthread_create (pthread_t *__restrict __newthread, const pthread_attr_t *__restrict __attr, void *(*__start_routine) (void *), void *__restrict __arg) __attribute__ ((__nothrow__)) __attribute__ ((__nonnull__ (1, 3))); with a witness entry 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 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 Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-27 14:51:20,976 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-2-unrolled-atomic.wvr.c[2278,2291] [2024-01-27 14:51:20,977 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-27 14:51:20,987 INFO L206 MainTranslator]: Completed translation [2024-01-27 14:51:20,987 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:51:20 WrapperNode [2024-01-27 14:51:20,988 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-27 14:51:20,988 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-27 14:51:20,989 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-27 14:51:20,989 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-27 14:51:20,994 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 27.01 02:51:20" (1/1) ... [2024-01-27 14:51:21,003 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 27.01 02:51:20" (1/1) ... [2024-01-27 14:51:21,026 INFO L138 Inliner]: procedures = 20, calls = 25, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 86 [2024-01-27 14:51:21,027 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-27 14:51:21,028 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-27 14:51:21,028 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-27 14:51:21,028 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-27 14:51:21,043 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:51:20" (1/1) ... [2024-01-27 14:51:21,043 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:51:20" (1/1) ... [2024-01-27 14:51:21,053 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:51:20" (1/1) ... [2024-01-27 14:51:21,069 INFO L175 MemorySlicer]: Split 6 memory accesses to 3 slices as follows [2, 2, 2]. 33 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 2 writes are split as follows [0, 1, 1]. [2024-01-27 14:51:21,071 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:51:20" (1/1) ... [2024-01-27 14:51:21,072 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:51:20" (1/1) ... [2024-01-27 14:51:21,082 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:51:20" (1/1) ... [2024-01-27 14:51:21,113 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:51:20" (1/1) ... [2024-01-27 14:51:21,115 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:51:20" (1/1) ... [2024-01-27 14:51:21,116 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:51:20" (1/1) ... [2024-01-27 14:51:21,117 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-27 14:51:21,118 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-27 14:51:21,118 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-27 14:51:21,118 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-27 14:51:21,135 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:51:20" (1/1) ... [2024-01-27 14:51:21,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-27 14:51:21,151 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-27 14:51:21,161 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-01-27 14:51:21,163 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-01-27 14:51:21,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-27 14:51:21,188 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-27 14:51:21,188 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-27 14:51:21,188 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-27 14:51:21,188 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-27 14:51:21,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-27 14:51:21,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-27 14:51:21,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-27 14:51:21,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-27 14:51:21,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-27 14:51:21,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-27 14:51:21,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-27 14:51:21,189 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-27 14:51:21,189 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-27 14:51:21,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-27 14:51:21,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-27 14:51:21,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-27 14:51:21,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-27 14:51:21,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-27 14:51:21,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-27 14:51:21,191 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-27 14:51:21,259 INFO L244 CfgBuilder]: Building ICFG [2024-01-27 14:51:21,261 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-27 14:51:21,524 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-27 14:51:21,524 INFO L293 CfgBuilder]: Performing block encoding [2024-01-27 14:51:21,746 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-27 14:51:21,747 INFO L320 CfgBuilder]: Removed 2 assume(true) statements. [2024-01-27 14:51:21,748 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 02:51:21 BoogieIcfgContainer [2024-01-27 14:51:21,748 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-27 14:51:21,751 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-27 14:51:21,751 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-27 14:51:21,753 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-27 14:51:21,753 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.01 02:51:20" (1/4) ... [2024-01-27 14:51:21,754 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4207aa31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 02:51:21, skipping insertion in model container [2024-01-27 14:51:21,755 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 02:51:20" (2/4) ... [2024-01-27 14:51:21,755 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4207aa31 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.01 02:51:21, skipping insertion in model container [2024-01-27 14:51:21,756 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:51:20" (3/4) ... [2024-01-27 14:51:21,756 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4207aa31 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.01 02:51:21, skipping insertion in model container [2024-01-27 14:51:21,757 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 02:51:21" (4/4) ... [2024-01-27 14:51:21,757 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-2-unrolled-atomic.wvr.c [2024-01-27 14:51:21,772 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-27 14:51:21,772 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 48 error locations. [2024-01-27 14:51:21,773 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-27 14:51:21,829 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-01-27 14:51:21,863 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 96 places, 91 transitions, 196 flow [2024-01-27 14:51:21,902 INFO L124 PetriNetUnfolderBase]: 2/89 cut-off events. [2024-01-27 14:51:21,902 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-01-27 14:51:21,905 INFO L83 FinitePrefix]: Finished finitePrefix Result has 98 conditions, 89 events. 2/89 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 228 event pairs, 0 based on Foata normal form. 0/39 useless extension candidates. Maximal degree in co-relation 59. Up to 2 conditions per place. [2024-01-27 14:51:21,906 INFO L82 GeneralOperation]: Start removeDead. Operand has 96 places, 91 transitions, 196 flow [2024-01-27 14:51:21,909 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 93 places, 88 transitions, 188 flow [2024-01-27 14:51:21,917 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-27 14:51:21,923 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;@c5e44c9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-27 14:51:21,923 INFO L358 AbstractCegarLoop]: Starting to check reachability of 82 error locations. [2024-01-27 14:51:21,925 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-27 14:51:21,925 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-27 14:51:21,926 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-27 14:51:21,926 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:51:21,926 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-27 14:51:21,927 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (and 79 more)] === [2024-01-27 14:51:21,948 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:51:21,948 INFO L85 PathProgramCache]: Analyzing trace with hash 17515, now seen corresponding path program 1 times [2024-01-27 14:51:21,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:51:21,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302963236] [2024-01-27 14:51:21,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:51:21,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:51:22,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:51:22,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 14:51:22,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:51:22,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302963236] [2024-01-27 14:51:22,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302963236] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:51:22,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:51:22,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-27 14:51:22,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283266871] [2024-01-27 14:51:22,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:51:22,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 14:51:22,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:51:22,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 14:51:22,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 14:51:22,169 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 43 out of 91 [2024-01-27 14:51:22,172 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 88 transitions, 188 flow. Second operand has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:51:22,172 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:51:22,173 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 43 of 91 [2024-01-27 14:51:22,174 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:51:22,330 INFO L124 PetriNetUnfolderBase]: 339/769 cut-off events. [2024-01-27 14:51:22,330 INFO L125 PetriNetUnfolderBase]: For 28/28 co-relation queries the response was YES. [2024-01-27 14:51:22,335 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1411 conditions, 769 events. 339/769 cut-off events. For 28/28 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 5437 event pairs, 117 based on Foata normal form. 0/454 useless extension candidates. Maximal degree in co-relation 1219. Up to 365 conditions per place. [2024-01-27 14:51:22,341 INFO L140 encePairwiseOnDemand]: 67/91 looper letters, 44 selfloop transitions, 5 changer transitions 0/90 dead transitions. [2024-01-27 14:51:22,341 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 90 transitions, 299 flow [2024-01-27 14:51:22,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 14:51:22,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 14:51:22,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 213 transitions. [2024-01-27 14:51:22,353 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7802197802197802 [2024-01-27 14:51:22,354 INFO L175 Difference]: Start difference. First operand has 93 places, 88 transitions, 188 flow. Second operand 3 states and 213 transitions. [2024-01-27 14:51:22,355 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 90 transitions, 299 flow [2024-01-27 14:51:22,360 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 90 transitions, 285 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-01-27 14:51:22,362 INFO L231 Difference]: Finished difference. Result has 74 places, 72 transitions, 169 flow [2024-01-27 14:51:22,364 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=144, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=169, PETRI_PLACES=74, PETRI_TRANSITIONS=72} [2024-01-27 14:51:22,366 INFO L281 CegarLoopForPetriNet]: 93 programPoint places, -19 predicate places. [2024-01-27 14:51:22,367 INFO L495 AbstractCegarLoop]: Abstraction has has 74 places, 72 transitions, 169 flow [2024-01-27 14:51:22,367 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:51:22,367 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:51:22,367 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-01-27 14:51:22,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-27 14:51:22,368 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (and 79 more)] === [2024-01-27 14:51:22,368 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:51:22,369 INFO L85 PathProgramCache]: Analyzing trace with hash 543500, now seen corresponding path program 1 times [2024-01-27 14:51:22,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:51:22,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454660102] [2024-01-27 14:51:22,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:51:22,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:51:22,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:51:22,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 14:51:22,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:51:22,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454660102] [2024-01-27 14:51:22,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454660102] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:51:22,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:51:22,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-27 14:51:22,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766151830] [2024-01-27 14:51:22,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:51:22,429 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 14:51:22,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:51:22,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 14:51:22,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 14:51:22,451 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 39 out of 91 [2024-01-27 14:51:22,452 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 72 transitions, 169 flow. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:51:22,453 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:51:22,453 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 39 of 91 [2024-01-27 14:51:22,453 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:51:22,578 INFO L124 PetriNetUnfolderBase]: 271/614 cut-off events. [2024-01-27 14:51:22,578 INFO L125 PetriNetUnfolderBase]: For 36/36 co-relation queries the response was YES. [2024-01-27 14:51:22,579 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1209 conditions, 614 events. 271/614 cut-off events. For 36/36 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 3963 event pairs, 97 based on Foata normal form. 5/418 useless extension candidates. Maximal degree in co-relation 343. Up to 371 conditions per place. [2024-01-27 14:51:22,581 INFO L140 encePairwiseOnDemand]: 76/91 looper letters, 39 selfloop transitions, 5 changer transitions 1/82 dead transitions. [2024-01-27 14:51:22,581 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 82 transitions, 285 flow [2024-01-27 14:51:22,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 14:51:22,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 14:51:22,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 170 transitions. [2024-01-27 14:51:22,583 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6227106227106227 [2024-01-27 14:51:22,583 INFO L175 Difference]: Start difference. First operand has 74 places, 72 transitions, 169 flow. Second operand 3 states and 170 transitions. [2024-01-27 14:51:22,583 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 82 transitions, 285 flow [2024-01-27 14:51:22,584 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 82 transitions, 279 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-27 14:51:22,585 INFO L231 Difference]: Finished difference. Result has 71 places, 69 transitions, 189 flow [2024-01-27 14:51:22,585 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=154, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=189, PETRI_PLACES=71, PETRI_TRANSITIONS=69} [2024-01-27 14:51:22,586 INFO L281 CegarLoopForPetriNet]: 93 programPoint places, -22 predicate places. [2024-01-27 14:51:22,586 INFO L495 AbstractCegarLoop]: Abstraction has has 71 places, 69 transitions, 189 flow [2024-01-27 14:51:22,586 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:51:22,586 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:51:22,586 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-01-27 14:51:22,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-27 14:51:22,587 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (and 79 more)] === [2024-01-27 14:51:22,587 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:51:22,587 INFO L85 PathProgramCache]: Analyzing trace with hash -559416191, now seen corresponding path program 1 times [2024-01-27 14:51:22,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:51:22,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745401382] [2024-01-27 14:51:22,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:51:22,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:51:22,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:51:22,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 14:51:22,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:51:22,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745401382] [2024-01-27 14:51:22,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745401382] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:51:22,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:51:22,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-27 14:51:22,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745735392] [2024-01-27 14:51:22,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:51:22,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 14:51:22,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:51:22,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 14:51:22,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 14:51:22,621 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 38 out of 91 [2024-01-27 14:51:22,622 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 69 transitions, 189 flow. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:51:22,622 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:51:22,622 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 38 of 91 [2024-01-27 14:51:22,622 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:51:22,692 INFO L124 PetriNetUnfolderBase]: 277/598 cut-off events. [2024-01-27 14:51:22,692 INFO L125 PetriNetUnfolderBase]: For 107/107 co-relation queries the response was YES. [2024-01-27 14:51:22,693 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1302 conditions, 598 events. 277/598 cut-off events. For 107/107 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 4036 event pairs, 244 based on Foata normal form. 1/405 useless extension candidates. Maximal degree in co-relation 839. Up to 487 conditions per place. [2024-01-27 14:51:22,695 INFO L140 encePairwiseOnDemand]: 85/91 looper letters, 34 selfloop transitions, 2 changer transitions 0/65 dead transitions. [2024-01-27 14:51:22,695 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 65 transitions, 253 flow [2024-01-27 14:51:22,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 14:51:22,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 14:51:22,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 150 transitions. [2024-01-27 14:51:22,697 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5494505494505495 [2024-01-27 14:51:22,697 INFO L175 Difference]: Start difference. First operand has 71 places, 69 transitions, 189 flow. Second operand 3 states and 150 transitions. [2024-01-27 14:51:22,697 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 65 transitions, 253 flow [2024-01-27 14:51:22,698 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 65 transitions, 248 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-27 14:51:22,699 INFO L231 Difference]: Finished difference. Result has 68 places, 65 transitions, 180 flow [2024-01-27 14:51:22,699 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=176, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=180, PETRI_PLACES=68, PETRI_TRANSITIONS=65} [2024-01-27 14:51:22,700 INFO L281 CegarLoopForPetriNet]: 93 programPoint places, -25 predicate places. [2024-01-27 14:51:22,700 INFO L495 AbstractCegarLoop]: Abstraction has has 68 places, 65 transitions, 180 flow [2024-01-27 14:51:22,700 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:51:22,700 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:51:22,700 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-01-27 14:51:22,700 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-27 14:51:22,701 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (and 79 more)] === [2024-01-27 14:51:22,701 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:51:22,701 INFO L85 PathProgramCache]: Analyzing trace with hash -162032162, now seen corresponding path program 1 times [2024-01-27 14:51:22,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:51:22,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011830291] [2024-01-27 14:51:22,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:51:22,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:51:22,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:51:22,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 14:51:22,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:51:22,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011830291] [2024-01-27 14:51:22,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011830291] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:51:22,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:51:22,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-27 14:51:22,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349781951] [2024-01-27 14:51:22,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:51:22,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 14:51:22,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:51:22,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 14:51:22,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 14:51:22,728 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 91 [2024-01-27 14:51:22,729 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 65 transitions, 180 flow. Second operand has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:51:22,729 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:51:22,729 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 91 [2024-01-27 14:51:22,729 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:51:22,869 INFO L124 PetriNetUnfolderBase]: 444/1007 cut-off events. [2024-01-27 14:51:22,869 INFO L125 PetriNetUnfolderBase]: For 170/170 co-relation queries the response was YES. [2024-01-27 14:51:22,870 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2038 conditions, 1007 events. 444/1007 cut-off events. For 170/170 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 7097 event pairs, 156 based on Foata normal form. 3/725 useless extension candidates. Maximal degree in co-relation 2003. Up to 445 conditions per place. [2024-01-27 14:51:22,873 INFO L140 encePairwiseOnDemand]: 82/91 looper letters, 48 selfloop transitions, 5 changer transitions 0/81 dead transitions. [2024-01-27 14:51:22,874 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 81 transitions, 338 flow [2024-01-27 14:51:22,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 14:51:22,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 14:51:22,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 175 transitions. [2024-01-27 14:51:22,878 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6410256410256411 [2024-01-27 14:51:22,878 INFO L175 Difference]: Start difference. First operand has 68 places, 65 transitions, 180 flow. Second operand 3 states and 175 transitions. [2024-01-27 14:51:22,881 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 81 transitions, 338 flow [2024-01-27 14:51:22,884 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 81 transitions, 334 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-27 14:51:22,885 INFO L231 Difference]: Finished difference. Result has 66 places, 64 transitions, 199 flow [2024-01-27 14:51:22,885 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=170, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=199, PETRI_PLACES=66, PETRI_TRANSITIONS=64} [2024-01-27 14:51:22,887 INFO L281 CegarLoopForPetriNet]: 93 programPoint places, -27 predicate places. [2024-01-27 14:51:22,887 INFO L495 AbstractCegarLoop]: Abstraction has has 66 places, 64 transitions, 199 flow [2024-01-27 14:51:22,887 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:51:22,887 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:51:22,887 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-27 14:51:22,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-01-27 14:51:22,888 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (and 79 more)] === [2024-01-27 14:51:22,888 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:51:22,888 INFO L85 PathProgramCache]: Analyzing trace with hash 98658142, now seen corresponding path program 1 times [2024-01-27 14:51:22,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:51:22,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878147666] [2024-01-27 14:51:22,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:51:22,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:51:22,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-27 14:51:22,933 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-01-27 14:51:22,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-27 14:51:22,952 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-01-27 14:51:22,952 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-01-27 14:51:22,953 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONWITNESS_INVARIANT (81 of 82 remaining) [2024-01-27 14:51:22,954 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (80 of 82 remaining) [2024-01-27 14:51:22,954 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (79 of 82 remaining) [2024-01-27 14:51:22,954 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (78 of 82 remaining) [2024-01-27 14:51:22,955 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (77 of 82 remaining) [2024-01-27 14:51:22,955 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (76 of 82 remaining) [2024-01-27 14:51:22,955 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (75 of 82 remaining) [2024-01-27 14:51:22,955 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (74 of 82 remaining) [2024-01-27 14:51:22,955 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (73 of 82 remaining) [2024-01-27 14:51:22,955 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (72 of 82 remaining) [2024-01-27 14:51:22,955 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (71 of 82 remaining) [2024-01-27 14:51:22,955 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (70 of 82 remaining) [2024-01-27 14:51:22,955 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (69 of 82 remaining) [2024-01-27 14:51:22,956 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (68 of 82 remaining) [2024-01-27 14:51:22,956 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (67 of 82 remaining) [2024-01-27 14:51:22,956 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (66 of 82 remaining) [2024-01-27 14:51:22,956 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (65 of 82 remaining) [2024-01-27 14:51:22,956 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 82 remaining) [2024-01-27 14:51:22,956 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 82 remaining) [2024-01-27 14:51:22,956 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err15ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 82 remaining) [2024-01-27 14:51:22,956 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 82 remaining) [2024-01-27 14:51:22,956 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 82 remaining) [2024-01-27 14:51:22,957 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 82 remaining) [2024-01-27 14:51:22,957 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 82 remaining) [2024-01-27 14:51:22,957 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 82 remaining) [2024-01-27 14:51:22,957 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 82 remaining) [2024-01-27 14:51:22,957 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 82 remaining) [2024-01-27 14:51:22,957 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 82 remaining) [2024-01-27 14:51:22,957 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 82 remaining) [2024-01-27 14:51:22,957 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 82 remaining) [2024-01-27 14:51:22,957 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err12ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 82 remaining) [2024-01-27 14:51:22,958 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err13ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 82 remaining) [2024-01-27 14:51:22,958 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err14ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 82 remaining) [2024-01-27 14:51:22,958 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 82 remaining) [2024-01-27 14:51:22,958 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 82 remaining) [2024-01-27 14:51:22,958 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 82 remaining) [2024-01-27 14:51:22,958 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 82 remaining) [2024-01-27 14:51:22,958 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 82 remaining) [2024-01-27 14:51:22,958 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 82 remaining) [2024-01-27 14:51:22,958 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 82 remaining) [2024-01-27 14:51:22,958 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 82 remaining) [2024-01-27 14:51:22,959 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 82 remaining) [2024-01-27 14:51:22,959 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 82 remaining) [2024-01-27 14:51:22,959 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 82 remaining) [2024-01-27 14:51:22,959 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 82 remaining) [2024-01-27 14:51:22,959 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 82 remaining) [2024-01-27 14:51:22,959 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 82 remaining) [2024-01-27 14:51:22,959 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION (34 of 82 remaining) [2024-01-27 14:51:22,959 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (33 of 82 remaining) [2024-01-27 14:51:22,959 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (32 of 82 remaining) [2024-01-27 14:51:22,959 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 82 remaining) [2024-01-27 14:51:22,960 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 82 remaining) [2024-01-27 14:51:22,960 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 82 remaining) [2024-01-27 14:51:22,960 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 82 remaining) [2024-01-27 14:51:22,960 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 82 remaining) [2024-01-27 14:51:22,960 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 82 remaining) [2024-01-27 14:51:22,960 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 82 remaining) [2024-01-27 14:51:22,960 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 82 remaining) [2024-01-27 14:51:22,960 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 82 remaining) [2024-01-27 14:51:22,960 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 82 remaining) [2024-01-27 14:51:22,960 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 82 remaining) [2024-01-27 14:51:22,961 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 82 remaining) [2024-01-27 14:51:22,961 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 82 remaining) [2024-01-27 14:51:22,961 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 82 remaining) [2024-01-27 14:51:22,961 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 82 remaining) [2024-01-27 14:51:22,961 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 82 remaining) [2024-01-27 14:51:22,961 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 82 remaining) [2024-01-27 14:51:22,961 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 82 remaining) [2024-01-27 14:51:22,961 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err15ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 82 remaining) [2024-01-27 14:51:22,961 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 82 remaining) [2024-01-27 14:51:22,961 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 82 remaining) [2024-01-27 14:51:22,962 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 82 remaining) [2024-01-27 14:51:22,962 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 82 remaining) [2024-01-27 14:51:22,962 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 82 remaining) [2024-01-27 14:51:22,962 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 82 remaining) [2024-01-27 14:51:22,962 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 82 remaining) [2024-01-27 14:51:22,962 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 82 remaining) [2024-01-27 14:51:22,962 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 82 remaining) [2024-01-27 14:51:22,962 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 82 remaining) [2024-01-27 14:51:22,962 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err12ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 82 remaining) [2024-01-27 14:51:22,962 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err13ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 82 remaining) [2024-01-27 14:51:22,963 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err14ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 82 remaining) [2024-01-27 14:51:22,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-01-27 14:51:22,963 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-01-27 14:51:22,968 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-27 14:51:22,968 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-27 14:51:22,984 INFO L503 ceAbstractionStarter]: Automizer considered 47 witness invariants [2024-01-27 14:51:22,984 INFO L504 ceAbstractionStarter]: WitnessConsidered=47 [2024-01-27 14:51:22,984 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.01 02:51:22 BasicIcfg [2024-01-27 14:51:22,984 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-27 14:51:22,985 INFO L158 Benchmark]: Toolchain (without parser) took 2249.66ms. Allocated memory was 109.1MB in the beginning and 153.1MB in the end (delta: 44.0MB). Free memory was 64.4MB in the beginning and 94.3MB in the end (delta: -29.9MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2024-01-27 14:51:22,985 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 109.1MB. Free memory was 74.8MB in the beginning and 74.7MB in the end (delta: 69.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-01-27 14:51:22,985 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 109.1MB. Free memory is still 68.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-27 14:51:22,985 INFO L158 Benchmark]: CACSL2BoogieTranslator took 252.02ms. Allocated memory is still 109.1MB. Free memory was 64.1MB in the beginning and 47.0MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-01-27 14:51:22,985 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.76ms. Allocated memory is still 109.1MB. Free memory was 47.0MB in the beginning and 45.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-27 14:51:22,986 INFO L158 Benchmark]: Boogie Preprocessor took 89.59ms. Allocated memory was 109.1MB in the beginning and 153.1MB in the end (delta: 44.0MB). Free memory was 45.3MB in the beginning and 124.9MB in the end (delta: -79.6MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. [2024-01-27 14:51:22,986 INFO L158 Benchmark]: RCFGBuilder took 630.06ms. Allocated memory is still 153.1MB. Free memory was 124.9MB in the beginning and 61.9MB in the end (delta: 62.9MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2024-01-27 14:51:22,986 INFO L158 Benchmark]: TraceAbstraction took 1233.83ms. Allocated memory is still 153.1MB. Free memory was 61.1MB in the beginning and 94.3MB in the end (delta: -33.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-01-27 14:51:22,987 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 109.1MB. Free memory was 74.8MB in the beginning and 74.7MB in the end (delta: 69.8kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 109.1MB. Free memory is still 68.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 252.02ms. Allocated memory is still 109.1MB. Free memory was 64.1MB in the beginning and 47.0MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.76ms. Allocated memory is still 109.1MB. Free memory was 47.0MB in the beginning and 45.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 89.59ms. Allocated memory was 109.1MB in the beginning and 153.1MB in the end (delta: 44.0MB). Free memory was 45.3MB in the beginning and 124.9MB in the end (delta: -79.6MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. * RCFGBuilder took 630.06ms. Allocated memory is still 153.1MB. Free memory was 124.9MB in the beginning and 61.9MB in the end (delta: 62.9MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1233.83ms. Allocated memory is still 153.1MB. Free memory was 61.1MB in the beginning and 94.3MB in the end (delta: -33.2MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 76]: invariant of correctness witness can be violated invariant of correctness witness can be violated We found a FailurePath: [L37] int pos, i1, i2, N; [L66] pthread_t t1, t2; VAL [N=0, i1=0, i2=0, pos=0, t1={5:0}, t2={3:0}] [L69] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[i1],IntegerLiteral[0]]]] VAL [N=0, i1=0, i2=0, pos=0, t1={5:0}, t2={3:0}] [L69] CodeAnnotStmt[Assertion[BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,CastExpression[ACSLType[long long],IdentifierExpression[i1]],CastExpression[ACSLType[long long],IdentifierExpression[pos]]],IntegerLiteral[0LL]]]] VAL [N=0, i1=0, i2=0, pos=0, t1={5:0}, t2={3:0}] [L69] CodeAnnotStmt[Assertion[BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[i1]]],CastExpression[ACSLType[long long],IdentifierExpression[pos]]],IntegerLiteral[0LL]]]] VAL [N=0, i1=0, i2=0, pos=0, t1={5:0}, t2={3:0}] [L69] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[pos],IntegerLiteral[0]]]] VAL [N=0, i1=0, i2=0, pos=0, t1={5:0}, t2={3:0}] [L69] CodeAnnotStmt[Assertion[BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[i1]]],CastExpression[ACSLType[long long],IdentifierExpression[pos]]],IntegerLiteral[0LL]]]] VAL [N=0, i1=0, i2=0, pos=0, t1={5:0}, t2={3:0}] [L69] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[N],IntegerLiteral[0]]]] VAL [N=0, i1=0, i2=0, pos=0, t1={5:0}, t2={3:0}] [L69] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[i2],IntegerLiteral[0]]]] VAL [N=0, i1=0, i2=0, pos=0, t1={5:0}, t2={3:0}] [L69] CodeAnnotStmt[Assertion[BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,CastExpression[ACSLType[long long],IdentifierExpression[i1]],CastExpression[ACSLType[long long],IdentifierExpression[pos]]],IntegerLiteral[0LL]]]] [L69] pos = __VERIFIER_nondet_int() [L70] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[N],IntegerLiteral[0]]]] VAL [N=0, i1=0, i2=0, pos=0, t1={5:0}, t2={3:0}] [L70] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[i2],IntegerLiteral[0]]]] VAL [N=0, i1=0, i2=0, pos=0, t1={5:0}, t2={3:0}] [L70] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[i1],IntegerLiteral[0]]]] [L70] i1 = __VERIFIER_nondet_int() [L71] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[N],IntegerLiteral[0]]]] VAL [N=0, i1=0, i2=0, pos=0, t1={5:0}, t2={3:0}] [L71] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[i2],IntegerLiteral[0]]]] [L71] i2 = __VERIFIER_nondet_int() [L72] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[N],IntegerLiteral[0]]]] [L72] N = __VERIFIER_nondet_int() [L75] CALL assume_abort_if_not( pos == i1 && pos == i2 && pos == 0 ) [L34] COND FALSE !(!cond) [L75] RET assume_abort_if_not( pos == i1 && pos == i2 && pos == 0 ) [L76] CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IntegerLiteral[0],IdentifierExpression[N]]]] VAL [N=-1, i1=0, i2=0, pos=0, t1={5:0}, t2={3:0}] - UnprovableResult [Line: 40]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 41]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 49]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 42]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 43]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 43]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 45]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 45]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 45]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 46]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 46]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 46]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 40]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 53]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 54]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 62]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 56]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 56]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 57]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 57]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 57]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 58]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 58]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 58]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 53]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 69]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 69]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 69]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 69]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 69]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 69]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 69]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 69]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 70]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 70]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 70]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 71]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 71]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 72]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 84]: 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: 78]: 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: 79]: 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. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 140 locations, 82 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: 1.1s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 154 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 92 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 46 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 255 IncrementalHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 46 mSolverCounterUnsat, 13 mSDtfsCounter, 255 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=199occurred in iteration=4, InterpolantAutomatonStates: 12, 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, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 56 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-01-27 14:51:23,007 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE