./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 8857f20b 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-8857f20-m [2024-01-29 22:57:32,478 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-29 22:57:32,587 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-29 22:57:32,593 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-29 22:57:32,593 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-29 22:57:32,623 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-29 22:57:32,624 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-29 22:57:32,624 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-29 22:57:32,625 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-29 22:57:32,629 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-29 22:57:32,629 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-29 22:57:32,630 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-29 22:57:32,631 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-29 22:57:32,632 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-29 22:57:32,632 INFO L153 SettingsManager]: * Use SBE=true [2024-01-29 22:57:32,633 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-29 22:57:32,633 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-29 22:57:32,633 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-29 22:57:32,633 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-29 22:57:32,634 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-29 22:57:32,634 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-29 22:57:32,634 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-29 22:57:32,635 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-29 22:57:32,635 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-29 22:57:32,635 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-29 22:57:32,635 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-29 22:57:32,636 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-29 22:57:32,636 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-29 22:57:32,637 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-29 22:57:32,637 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-29 22:57:32,638 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-29 22:57:32,638 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-29 22:57:32,638 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-29 22:57:32,639 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-29 22:57:32,639 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-29 22:57:32,639 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-29 22:57:32,639 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-29 22:57:32,639 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-29 22:57:32,640 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-29 22:57:32,640 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-29 22:57:32,640 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-29 22:57:32,640 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-29 22:57:32,641 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-29 22:57:32,641 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-29 22:57:32,899 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-29 22:57:32,924 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-29 22:57:32,926 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-29 22:57:32,927 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-29 22:57:32,928 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-29 22:57:32,929 INFO L431 ainManager$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 [2024-01-29 22:57:33,058 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-29 22:57:33,059 INFO L274 PluginConnector]: CDTParser initialized [2024-01-29 22:57:33,059 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-misc-2-unrolled-atomic.wvr.c [2024-01-29 22:57:34,226 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-29 22:57:34,436 INFO L384 CDTParser]: Found 1 translation units. [2024-01-29 22:57:34,437 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-2-unrolled-atomic.wvr.c [2024-01-29 22:57:34,450 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad8ff25a4/0edbd969e49e4e3b82c60af661806591/FLAG0b4070297 [2024-01-29 22:57:34,469 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad8ff25a4/0edbd969e49e4e3b82c60af661806591 [2024-01-29 22:57:34,470 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-29 22:57:34,471 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-29 22:57:34,474 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-29 22:57:34,475 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-29 22:57:34,479 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-29 22:57:34,480 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 10:57:33" (1/2) ... [2024-01-29 22:57:34,481 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42d91069 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:57:34, skipping insertion in model container [2024-01-29 22:57:34,481 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 10:57:33" (1/2) ... [2024-01-29 22:57:34,483 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3c7b0542 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:57:34, skipping insertion in model container [2024-01-29 22:57:34,483 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 10:57:34" (2/2) ... [2024-01-29 22:57:34,483 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42d91069 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:57:34, skipping insertion in model container [2024-01-29 22:57:34,484 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 10:57:34" (2/2) ... [2024-01-29 22:57:34,484 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-29 22:57:34,516 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-29 22:57:34,517 INFO L98 nessWitnessExtractor]: Location invariant before [L42-L42] (unsigned long )_argptr == 0UL [2024-01-29 22:57:34,518 INFO L98 nessWitnessExtractor]: Loop invariant at [L40-L47] (unsigned long )_argptr == 0UL [2024-01-29 22:57:34,518 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] 0 <= N [2024-01-29 22:57:34,518 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] (-2147483646 <= pos) && ((unsigned long )_argptr == 0UL) [2024-01-29 22:57:34,518 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] -2147483646 <= pos [2024-01-29 22:57:34,518 INFO L98 nessWitnessExtractor]: Loop invariant at [L53-L60] (unsigned long )_argptr == 0UL [2024-01-29 22:57:34,518 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] N == 0 [2024-01-29 22:57:34,519 INFO L98 nessWitnessExtractor]: Location invariant before [L49-L49] (unsigned long )_argptr == 0UL [2024-01-29 22:57:34,519 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] (-2147483647 <= pos) && ((unsigned long )_argptr == 0UL) [2024-01-29 22:57:34,519 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] -2147483647 <= pos [2024-01-29 22:57:34,519 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] (unsigned long )_argptr == 0UL [2024-01-29 22:57:34,519 INFO L98 nessWitnessExtractor]: Location invariant before [L58-L58] ((-2147483647 <= i2) && (pos <= 2147483645)) && ((unsigned long )_argptr == 0UL) [2024-01-29 22:57:34,519 INFO L98 nessWitnessExtractor]: Location invariant before [L58-L58] (-2147483647 <= i2) && (pos <= 2147483645) [2024-01-29 22:57:34,520 INFO L98 nessWitnessExtractor]: Location invariant before [L58-L58] -2147483647 <= i2 [2024-01-29 22:57:34,520 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] ((0LL - (long long )i1) + (long long )pos >= 0LL) && ((long long )i1 + (long long )pos >= 0LL) [2024-01-29 22:57:34,520 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] (0LL - (long long )i1) + (long long )pos >= 0LL [2024-01-29 22:57:34,520 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] (((0LL - (long long )i1) + (long long )pos >= 0LL) && ((long long )i1 + (long long )pos >= 0LL)) && ((long long )i1 - (long long )pos >= 0LL) [2024-01-29 22:57:34,520 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] (((0LL - (long long )i1) + (long long )pos >= 0LL) && ((long long )i1 + (long long )pos >= 0LL)) && ((0LL - (long long )i1) - (long long )pos >= 0LL) [2024-01-29 22:57:34,520 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] (((0LL - (long long )i1) + (long long )pos >= 0LL) && ((long long )i1 + (long long )pos >= 0LL)) && (N == 0) [2024-01-29 22:57:34,521 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] (((0LL - (long long )i1) + (long long )pos >= 0LL) && ((long long )i1 + (long long )pos >= 0LL)) && (pos == 0) [2024-01-29 22:57:34,521 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] (((0LL - (long long )i1) + (long long )pos >= 0LL) && ((long long )i1 + (long long )pos >= 0LL)) && (i1 == 0) [2024-01-29 22:57:34,522 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] (((0LL - (long long )i1) + (long long )pos >= 0LL) && ((long long )i1 + (long long )pos >= 0LL)) && (i2 == 0) [2024-01-29 22:57:34,522 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] N == 0 [2024-01-29 22:57:34,522 INFO L98 nessWitnessExtractor]: Location invariant before [L57-L57] (-2147483647 <= i2) && ((unsigned long )_argptr == 0UL) [2024-01-29 22:57:34,522 INFO L98 nessWitnessExtractor]: Location invariant before [L57-L57] -2147483647 <= i2 [2024-01-29 22:57:34,522 INFO L98 nessWitnessExtractor]: Location invariant before [L57-L57] (-2147483647 <= i2) && (-2147483646 <= pos) [2024-01-29 22:57:34,522 INFO L98 nessWitnessExtractor]: Location invariant before [L62-L62] (unsigned long )_argptr == 0UL [2024-01-29 22:57:34,522 INFO L98 nessWitnessExtractor]: Location invariant before [L44-L44] ((-2147483647 <= pos) && (-2147483647 <= i1)) && ((unsigned long )_argptr == 0UL) [2024-01-29 22:57:34,523 INFO L98 nessWitnessExtractor]: Location invariant before [L44-L44] (-2147483647 <= pos) && (-2147483647 <= i1) [2024-01-29 22:57:34,523 INFO L98 nessWitnessExtractor]: Location invariant before [L44-L44] -2147483647 <= pos [2024-01-29 22:57:34,523 INFO L98 nessWitnessExtractor]: Location invariant before [L41-L41] (unsigned long )_argptr == 0UL [2024-01-29 22:57:34,523 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] (unsigned long )_argptr == 0UL [2024-01-29 22:57:34,523 INFO L98 nessWitnessExtractor]: Location invariant before [L46-L46] -2147483646 <= i1 [2024-01-29 22:57:34,523 INFO L98 nessWitnessExtractor]: Location invariant before [L46-L46] (-2147483646 <= i1) && (pos <= 2147483646) [2024-01-29 22:57:34,524 INFO L98 nessWitnessExtractor]: Location invariant before [L46-L46] (-2147483646 <= i1) && ((unsigned long )_argptr == 0UL) [2024-01-29 22:57:34,524 INFO L98 nessWitnessExtractor]: Location invariant before [L59-L59] (-2147483646 <= i2) && (pos <= 2147483645) [2024-01-29 22:57:34,524 INFO L98 nessWitnessExtractor]: Location invariant before [L59-L59] -2147483646 <= i2 [2024-01-29 22:57:34,525 INFO L98 nessWitnessExtractor]: Location invariant before [L59-L59] ((-2147483646 <= i2) && (pos <= 2147483645)) && ((unsigned long )_argptr == 0UL) [2024-01-29 22:57:34,526 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] (i1 == 0) && (N == 0) [2024-01-29 22:57:34,526 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] i1 == 0 [2024-01-29 22:57:34,526 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] (i1 == 0) && (i2 == 0) [2024-01-29 22:57:34,526 INFO L98 nessWitnessExtractor]: Location invariant before [L71-L71] i2 == 0 [2024-01-29 22:57:34,527 INFO L98 nessWitnessExtractor]: Location invariant before [L71-L71] (i2 == 0) && (N == 0) [2024-01-29 22:57:34,527 INFO L98 nessWitnessExtractor]: Location invariant before [L45-L45] -2147483647 <= i1 [2024-01-29 22:57:34,527 INFO L98 nessWitnessExtractor]: Location invariant before [L45-L45] (-2147483647 <= i1) && ((unsigned long )_argptr == 0UL) [2024-01-29 22:57:34,527 INFO L98 nessWitnessExtractor]: Location invariant before [L45-L45] (-2147483647 <= i1) && (pos <= 2147483646) [2024-01-29 22:57:34,549 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-29 22:57:34,740 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] [2024-01-29 22:57:34,745 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-29 22:57:34,754 INFO L202 MainTranslator]: Completed pre-run [2024-01-29 22:57:34,768 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 [2024-01-29 22:57:34,820 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] [2024-01-29 22:57:34,821 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-29 22:57:34,834 INFO L206 MainTranslator]: Completed translation [2024-01-29 22:57:34,835 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:57:34 WrapperNode [2024-01-29 22:57:34,835 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-29 22:57:34,836 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-29 22:57:34,836 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-29 22:57:34,837 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-29 22:57:34,843 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:57:34" (1/1) ... [2024-01-29 22:57:34,851 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:57:34" (1/1) ... [2024-01-29 22:57:34,871 INFO L138 Inliner]: procedures = 20, calls = 25, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 86 [2024-01-29 22:57:34,872 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-29 22:57:34,872 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-29 22:57:34,872 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-29 22:57:34,873 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-29 22:57:34,883 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:57:34" (1/1) ... [2024-01-29 22:57:34,883 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:57:34" (1/1) ... [2024-01-29 22:57:34,888 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:57:34" (1/1) ... [2024-01-29 22:57:34,903 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]. [2024-01-29 22:57:34,903 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:57:34" (1/1) ... [2024-01-29 22:57:34,904 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:57:34" (1/1) ... [2024-01-29 22:57:34,911 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:57:34" (1/1) ... [2024-01-29 22:57:34,914 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:57:34" (1/1) ... [2024-01-29 22:57:34,916 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:57:34" (1/1) ... [2024-01-29 22:57:34,917 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:57:34" (1/1) ... [2024-01-29 22:57:34,919 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-29 22:57:34,920 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-29 22:57:34,920 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-29 22:57:34,921 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-29 22:57:34,921 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:57:34" (1/1) ... [2024-01-29 22:57:34,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-29 22:57:34,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-29 22:57:34,952 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) [2024-01-29 22:57:34,956 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 [2024-01-29 22:57:34,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-29 22:57:34,983 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-29 22:57:34,983 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-29 22:57:34,983 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-29 22:57:34,983 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-29 22:57:34,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-29 22:57:34,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-29 22:57:34,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-29 22:57:34,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-29 22:57:34,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-29 22:57:34,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-29 22:57:34,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-29 22:57:34,984 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-29 22:57:34,985 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-29 22:57:34,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-29 22:57:34,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-29 22:57:34,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-29 22:57:34,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-29 22:57:34,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-29 22:57:34,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-29 22:57:34,987 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-29 22:57:35,071 INFO L244 CfgBuilder]: Building ICFG [2024-01-29 22:57:35,073 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-29 22:57:35,498 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-29 22:57:35,499 INFO L293 CfgBuilder]: Performing block encoding [2024-01-29 22:57:35,818 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-29 22:57:35,819 INFO L320 CfgBuilder]: Removed 2 assume(true) statements. [2024-01-29 22:57:35,820 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 10:57:35 BoogieIcfgContainer [2024-01-29 22:57:35,820 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-29 22:57:35,823 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-29 22:57:35,823 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-29 22:57:35,827 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-29 22:57:35,827 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 10:57:33" (1/4) ... [2024-01-29 22:57:35,828 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76b1ead8 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 29.01 10:57:35, skipping insertion in model container [2024-01-29 22:57:35,828 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.01 10:57:34" (2/4) ... [2024-01-29 22:57:35,829 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76b1ead8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 10:57:35, skipping insertion in model container [2024-01-29 22:57:35,829 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:57:34" (3/4) ... [2024-01-29 22:57:35,830 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76b1ead8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 10:57:35, skipping insertion in model container [2024-01-29 22:57:35,830 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 10:57:35" (4/4) ... [2024-01-29 22:57:35,833 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-2-unrolled-atomic.wvr.c [2024-01-29 22:57:35,851 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-29 22:57:35,851 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 48 error locations. [2024-01-29 22:57:35,851 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-29 22:57:35,927 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-01-29 22:57:35,966 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 96 places, 91 transitions, 196 flow [2024-01-29 22:57:36,034 INFO L124 PetriNetUnfolderBase]: 2/89 cut-off events. [2024-01-29 22:57:36,035 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-01-29 22:57:36,039 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. [2024-01-29 22:57:36,039 INFO L82 GeneralOperation]: Start removeDead. Operand has 96 places, 91 transitions, 196 flow [2024-01-29 22:57:36,044 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 93 places, 88 transitions, 188 flow [2024-01-29 22:57:36,059 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-29 22:57:36,068 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;@23c0e3db, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-29 22:57:36,068 INFO L358 AbstractCegarLoop]: Starting to check reachability of 82 error locations. [2024-01-29 22:57:36,070 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-29 22:57:36,071 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-29 22:57:36,071 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-29 22:57:36,071 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 22:57:36,072 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-29 22:57:36,072 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (and 79 more)] === [2024-01-29 22:57:36,079 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 22:57:36,079 INFO L85 PathProgramCache]: Analyzing trace with hash 17515, now seen corresponding path program 1 times [2024-01-29 22:57:36,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 22:57:36,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853266120] [2024-01-29 22:57:36,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 22:57:36,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 22:57:36,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 22:57:36,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 22:57:36,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 22:57:36,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853266120] [2024-01-29 22:57:36,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853266120] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 22:57:36,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 22:57:36,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 22:57:36,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470486036] [2024-01-29 22:57:36,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 22:57:36,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 22:57:36,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 22:57:36,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 22:57:36,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 22:57:36,433 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 36 out of 91 [2024-01-29 22:57:36,437 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 88 transitions, 188 flow. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 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) [2024-01-29 22:57:36,437 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 22:57:36,438 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 36 of 91 [2024-01-29 22:57:36,439 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 22:57:36,752 INFO L124 PetriNetUnfolderBase]: 434/816 cut-off events. [2024-01-29 22:57:36,753 INFO L125 PetriNetUnfolderBase]: For 26/26 co-relation queries the response was YES. [2024-01-29 22:57:36,755 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1508 conditions, 816 events. 434/816 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 4573 event pairs, 87 based on Foata normal form. 7/468 useless extension candidates. Maximal degree in co-relation 1320. Up to 554 conditions per place. [2024-01-29 22:57:36,762 INFO L140 encePairwiseOnDemand]: 56/91 looper letters, 39 selfloop transitions, 5 changer transitions 1/79 dead transitions. [2024-01-29 22:57:36,762 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 79 transitions, 269 flow [2024-01-29 22:57:36,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 22:57:36,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 22:57:36,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 199 transitions. [2024-01-29 22:57:36,775 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7289377289377289 [2024-01-29 22:57:36,776 INFO L175 Difference]: Start difference. First operand has 93 places, 88 transitions, 188 flow. Second operand 3 states and 199 transitions. [2024-01-29 22:57:36,777 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 79 transitions, 269 flow [2024-01-29 22:57:36,781 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 79 transitions, 255 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-01-29 22:57:36,784 INFO L231 Difference]: Finished difference. Result has 69 places, 67 transitions, 171 flow [2024-01-29 22:57:36,786 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=134, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=171, PETRI_PLACES=69, PETRI_TRANSITIONS=67} [2024-01-29 22:57:36,789 INFO L281 CegarLoopForPetriNet]: 93 programPoint places, -24 predicate places. [2024-01-29 22:57:36,789 INFO L495 AbstractCegarLoop]: Abstraction has has 69 places, 67 transitions, 171 flow [2024-01-29 22:57:36,789 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 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) [2024-01-29 22:57:36,790 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 22:57:36,790 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-01-29 22:57:36,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-29 22:57:36,790 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (and 79 more)] === [2024-01-29 22:57:36,791 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 22:57:36,791 INFO L85 PathProgramCache]: Analyzing trace with hash 522322310, now seen corresponding path program 1 times [2024-01-29 22:57:36,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 22:57:36,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900320667] [2024-01-29 22:57:36,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 22:57:36,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 22:57:36,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 22:57:36,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 22:57:36,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 22:57:36,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900320667] [2024-01-29 22:57:36,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900320667] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 22:57:36,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 22:57:36,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 22:57:36,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909056172] [2024-01-29 22:57:36,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 22:57:36,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 22:57:36,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 22:57:36,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 22:57:36,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 22:57:36,939 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 34 out of 91 [2024-01-29 22:57:36,940 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 67 transitions, 171 flow. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 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) [2024-01-29 22:57:36,941 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 22:57:36,941 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 34 of 91 [2024-01-29 22:57:36,941 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 22:57:37,066 INFO L124 PetriNetUnfolderBase]: 324/681 cut-off events. [2024-01-29 22:57:37,066 INFO L125 PetriNetUnfolderBase]: For 60/60 co-relation queries the response was YES. [2024-01-29 22:57:37,069 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1465 conditions, 681 events. 324/681 cut-off events. For 60/60 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 4290 event pairs, 256 based on Foata normal form. 1/428 useless extension candidates. Maximal degree in co-relation 896. Up to 565 conditions per place. [2024-01-29 22:57:37,073 INFO L140 encePairwiseOnDemand]: 88/91 looper letters, 33 selfloop transitions, 2 changer transitions 0/66 dead transitions. [2024-01-29 22:57:37,073 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 66 transitions, 239 flow [2024-01-29 22:57:37,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 22:57:37,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 22:57:37,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 136 transitions. [2024-01-29 22:57:37,079 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4981684981684982 [2024-01-29 22:57:37,079 INFO L175 Difference]: Start difference. First operand has 69 places, 67 transitions, 171 flow. Second operand 3 states and 136 transitions. [2024-01-29 22:57:37,079 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 66 transitions, 239 flow [2024-01-29 22:57:37,081 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 66 transitions, 234 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-29 22:57:37,083 INFO L231 Difference]: Finished difference. Result has 69 places, 66 transitions, 168 flow [2024-01-29 22:57:37,083 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=164, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=168, PETRI_PLACES=69, PETRI_TRANSITIONS=66} [2024-01-29 22:57:37,084 INFO L281 CegarLoopForPetriNet]: 93 programPoint places, -24 predicate places. [2024-01-29 22:57:37,084 INFO L495 AbstractCegarLoop]: Abstraction has has 69 places, 66 transitions, 168 flow [2024-01-29 22:57:37,084 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 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) [2024-01-29 22:57:37,084 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 22:57:37,084 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 22:57:37,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-29 22:57:37,085 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (and 79 more)] === [2024-01-29 22:57:37,085 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 22:57:37,085 INFO L85 PathProgramCache]: Analyzing trace with hash -1094066108, now seen corresponding path program 1 times [2024-01-29 22:57:37,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 22:57:37,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347906298] [2024-01-29 22:57:37,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 22:57:37,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 22:57:37,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 22:57:37,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 22:57:37,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 22:57:37,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347906298] [2024-01-29 22:57:37,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347906298] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 22:57:37,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 22:57:37,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 22:57:37,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091790569] [2024-01-29 22:57:37,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 22:57:37,167 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 22:57:37,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 22:57:37,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 22:57:37,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 22:57:37,208 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 42 out of 91 [2024-01-29 22:57:37,210 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 66 transitions, 168 flow. Second operand has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 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) [2024-01-29 22:57:37,210 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 22:57:37,210 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 42 of 91 [2024-01-29 22:57:37,210 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 22:57:37,340 INFO L124 PetriNetUnfolderBase]: 434/813 cut-off events. [2024-01-29 22:57:37,340 INFO L125 PetriNetUnfolderBase]: For 61/61 co-relation queries the response was YES. [2024-01-29 22:57:37,343 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1768 conditions, 813 events. 434/813 cut-off events. For 61/61 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 4597 event pairs, 87 based on Foata normal form. 1/536 useless extension candidates. Maximal degree in co-relation 1749. Up to 551 conditions per place. [2024-01-29 22:57:37,349 INFO L140 encePairwiseOnDemand]: 84/91 looper letters, 38 selfloop transitions, 5 changer transitions 1/76 dead transitions. [2024-01-29 22:57:37,349 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 76 transitions, 279 flow [2024-01-29 22:57:37,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 22:57:37,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 22:57:37,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 172 transitions. [2024-01-29 22:57:37,352 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.63003663003663 [2024-01-29 22:57:37,352 INFO L175 Difference]: Start difference. First operand has 69 places, 66 transitions, 168 flow. Second operand 3 states and 172 transitions. [2024-01-29 22:57:37,352 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 76 transitions, 279 flow [2024-01-29 22:57:37,356 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 76 transitions, 275 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 22:57:37,357 INFO L231 Difference]: Finished difference. Result has 67 places, 64 transitions, 170 flow [2024-01-29 22:57:37,357 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=160, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=170, PETRI_PLACES=67, PETRI_TRANSITIONS=64} [2024-01-29 22:57:37,359 INFO L281 CegarLoopForPetriNet]: 93 programPoint places, -26 predicate places. [2024-01-29 22:57:37,359 INFO L495 AbstractCegarLoop]: Abstraction has has 67 places, 64 transitions, 170 flow [2024-01-29 22:57:37,359 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 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) [2024-01-29 22:57:37,359 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 22:57:37,360 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 22:57:37,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-29 22:57:37,360 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (and 79 more)] === [2024-01-29 22:57:37,360 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 22:57:37,361 INFO L85 PathProgramCache]: Analyzing trace with hash 869475170, now seen corresponding path program 1 times [2024-01-29 22:57:37,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 22:57:37,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499419223] [2024-01-29 22:57:37,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 22:57:37,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 22:57:37,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 22:57:37,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 22:57:37,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 22:57:37,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499419223] [2024-01-29 22:57:37,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499419223] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 22:57:37,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 22:57:37,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 22:57:37,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664535042] [2024-01-29 22:57:37,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 22:57:37,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 22:57:37,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 22:57:37,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 22:57:37,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 22:57:37,485 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 91 [2024-01-29 22:57:37,485 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 64 transitions, 170 flow. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 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) [2024-01-29 22:57:37,485 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 22:57:37,486 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 91 [2024-01-29 22:57:37,486 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 22:57:37,595 INFO L124 PetriNetUnfolderBase]: 324/678 cut-off events. [2024-01-29 22:57:37,595 INFO L125 PetriNetUnfolderBase]: For 105/105 co-relation queries the response was YES. [2024-01-29 22:57:37,596 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1462 conditions, 678 events. 324/678 cut-off events. For 105/105 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 4274 event pairs, 256 based on Foata normal form. 1/427 useless extension candidates. Maximal degree in co-relation 896. Up to 562 conditions per place. [2024-01-29 22:57:37,600 INFO L140 encePairwiseOnDemand]: 88/91 looper letters, 31 selfloop transitions, 2 changer transitions 0/63 dead transitions. [2024-01-29 22:57:37,600 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 63 transitions, 234 flow [2024-01-29 22:57:37,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 22:57:37,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 22:57:37,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 155 transitions. [2024-01-29 22:57:37,605 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5677655677655677 [2024-01-29 22:57:37,605 INFO L175 Difference]: Start difference. First operand has 67 places, 64 transitions, 170 flow. Second operand 3 states and 155 transitions. [2024-01-29 22:57:37,609 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 63 transitions, 234 flow [2024-01-29 22:57:37,610 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 63 transitions, 224 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 22:57:37,612 INFO L231 Difference]: Finished difference. Result has 66 places, 63 transitions, 162 flow [2024-01-29 22:57:37,613 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=158, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=162, PETRI_PLACES=66, PETRI_TRANSITIONS=63} [2024-01-29 22:57:37,614 INFO L281 CegarLoopForPetriNet]: 93 programPoint places, -27 predicate places. [2024-01-29 22:57:37,614 INFO L495 AbstractCegarLoop]: Abstraction has has 66 places, 63 transitions, 162 flow [2024-01-29 22:57:37,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 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) [2024-01-29 22:57:37,615 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 22:57:37,615 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 22:57:37,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-01-29 22:57:37,615 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (and 79 more)] === [2024-01-29 22:57:37,615 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 22:57:37,615 INFO L85 PathProgramCache]: Analyzing trace with hash 1183927010, now seen corresponding path program 1 times [2024-01-29 22:57:37,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 22:57:37,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978656604] [2024-01-29 22:57:37,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 22:57:37,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 22:57:37,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 22:57:37,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 22:57:37,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 22:57:37,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978656604] [2024-01-29 22:57:37,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978656604] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 22:57:37,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 22:57:37,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 22:57:37,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698692434] [2024-01-29 22:57:37,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 22:57:37,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 22:57:37,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 22:57:37,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 22:57:37,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 22:57:37,680 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 40 out of 91 [2024-01-29 22:57:37,680 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 63 transitions, 162 flow. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 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) [2024-01-29 22:57:37,681 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 22:57:37,681 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 40 of 91 [2024-01-29 22:57:37,681 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 22:57:37,798 INFO L124 PetriNetUnfolderBase]: 403/732 cut-off events. [2024-01-29 22:57:37,798 INFO L125 PetriNetUnfolderBase]: For 72/72 co-relation queries the response was YES. [2024-01-29 22:57:37,799 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1636 conditions, 732 events. 403/732 cut-off events. For 72/72 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 4468 event pairs, 256 based on Foata normal form. 0/456 useless extension candidates. Maximal degree in co-relation 1613. Up to 641 conditions per place. [2024-01-29 22:57:37,802 INFO L140 encePairwiseOnDemand]: 87/91 looper letters, 32 selfloop transitions, 2 changer transitions 0/61 dead transitions. [2024-01-29 22:57:37,803 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 61 transitions, 226 flow [2024-01-29 22:57:37,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 22:57:37,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 22:57:37,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 154 transitions. [2024-01-29 22:57:37,804 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5641025641025641 [2024-01-29 22:57:37,804 INFO L175 Difference]: Start difference. First operand has 66 places, 63 transitions, 162 flow. Second operand 3 states and 154 transitions. [2024-01-29 22:57:37,804 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 61 transitions, 226 flow [2024-01-29 22:57:37,805 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 61 transitions, 222 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 22:57:37,806 INFO L231 Difference]: Finished difference. Result has 64 places, 61 transitions, 158 flow [2024-01-29 22:57:37,806 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=154, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=158, PETRI_PLACES=64, PETRI_TRANSITIONS=61} [2024-01-29 22:57:37,806 INFO L281 CegarLoopForPetriNet]: 93 programPoint places, -29 predicate places. [2024-01-29 22:57:37,806 INFO L495 AbstractCegarLoop]: Abstraction has has 64 places, 61 transitions, 158 flow [2024-01-29 22:57:37,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 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) [2024-01-29 22:57:37,807 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 22:57:37,807 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 22:57:37,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-01-29 22:57:37,807 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (and 79 more)] === [2024-01-29 22:57:37,807 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 22:57:37,808 INFO L85 PathProgramCache]: Analyzing trace with hash -412459495, now seen corresponding path program 1 times [2024-01-29 22:57:37,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 22:57:37,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607107410] [2024-01-29 22:57:37,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 22:57:37,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 22:57:37,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 22:57:37,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 22:57:37,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 22:57:37,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607107410] [2024-01-29 22:57:37,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607107410] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 22:57:37,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 22:57:37,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 22:57:37,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344341575] [2024-01-29 22:57:37,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 22:57:37,831 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 22:57:37,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 22:57:37,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 22:57:37,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 22:57:37,842 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 42 out of 91 [2024-01-29 22:57:37,843 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 61 transitions, 158 flow. Second operand has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 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) [2024-01-29 22:57:37,843 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 22:57:37,843 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 42 of 91 [2024-01-29 22:57:37,843 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 22:57:37,936 INFO L124 PetriNetUnfolderBase]: 377/687 cut-off events. [2024-01-29 22:57:37,936 INFO L125 PetriNetUnfolderBase]: For 65/65 co-relation queries the response was YES. [2024-01-29 22:57:37,937 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1543 conditions, 687 events. 377/687 cut-off events. For 65/65 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 4073 event pairs, 220 based on Foata normal form. 1/428 useless extension candidates. Maximal degree in co-relation 1515. Up to 585 conditions per place. [2024-01-29 22:57:37,941 INFO L140 encePairwiseOnDemand]: 88/91 looper letters, 31 selfloop transitions, 2 changer transitions 0/60 dead transitions. [2024-01-29 22:57:37,941 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 60 transitions, 222 flow [2024-01-29 22:57:37,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 22:57:37,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 22:57:37,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 158 transitions. [2024-01-29 22:57:37,942 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5787545787545788 [2024-01-29 22:57:37,942 INFO L175 Difference]: Start difference. First operand has 64 places, 61 transitions, 158 flow. Second operand 3 states and 158 transitions. [2024-01-29 22:57:37,942 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 60 transitions, 222 flow [2024-01-29 22:57:37,943 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 60 transitions, 218 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 22:57:37,944 INFO L231 Difference]: Finished difference. Result has 63 places, 60 transitions, 156 flow [2024-01-29 22:57:37,944 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=152, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=156, PETRI_PLACES=63, PETRI_TRANSITIONS=60} [2024-01-29 22:57:37,945 INFO L281 CegarLoopForPetriNet]: 93 programPoint places, -30 predicate places. [2024-01-29 22:57:37,945 INFO L495 AbstractCegarLoop]: Abstraction has has 63 places, 60 transitions, 156 flow [2024-01-29 22:57:37,945 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 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) [2024-01-29 22:57:37,945 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 22:57:37,945 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 22:57:37,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-01-29 22:57:37,946 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (and 79 more)] === [2024-01-29 22:57:37,946 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 22:57:37,946 INFO L85 PathProgramCache]: Analyzing trace with hash 98658142, now seen corresponding path program 1 times [2024-01-29 22:57:37,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 22:57:37,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956024218] [2024-01-29 22:57:37,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 22:57:37,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 22:57:37,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-29 22:57:37,959 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-01-29 22:57:37,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-29 22:57:37,990 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-01-29 22:57:37,990 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-01-29 22:57:37,991 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONWITNESS_INVARIANT (81 of 82 remaining) [2024-01-29 22:57:37,993 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (80 of 82 remaining) [2024-01-29 22:57:37,993 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (79 of 82 remaining) [2024-01-29 22:57:37,993 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (78 of 82 remaining) [2024-01-29 22:57:37,994 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (77 of 82 remaining) [2024-01-29 22:57:37,994 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (76 of 82 remaining) [2024-01-29 22:57:37,994 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (75 of 82 remaining) [2024-01-29 22:57:37,994 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (74 of 82 remaining) [2024-01-29 22:57:37,994 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (73 of 82 remaining) [2024-01-29 22:57:37,994 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (72 of 82 remaining) [2024-01-29 22:57:37,994 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (71 of 82 remaining) [2024-01-29 22:57:37,994 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (70 of 82 remaining) [2024-01-29 22:57:37,995 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (69 of 82 remaining) [2024-01-29 22:57:37,995 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (68 of 82 remaining) [2024-01-29 22:57:37,995 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (67 of 82 remaining) [2024-01-29 22:57:37,995 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (66 of 82 remaining) [2024-01-29 22:57:37,995 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (65 of 82 remaining) [2024-01-29 22:57:37,995 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 82 remaining) [2024-01-29 22:57:37,995 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 82 remaining) [2024-01-29 22:57:37,995 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err15ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 82 remaining) [2024-01-29 22:57:37,996 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 82 remaining) [2024-01-29 22:57:37,996 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 82 remaining) [2024-01-29 22:57:37,996 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 82 remaining) [2024-01-29 22:57:37,996 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 82 remaining) [2024-01-29 22:57:37,996 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 82 remaining) [2024-01-29 22:57:37,996 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 82 remaining) [2024-01-29 22:57:37,996 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 82 remaining) [2024-01-29 22:57:37,997 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 82 remaining) [2024-01-29 22:57:37,997 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 82 remaining) [2024-01-29 22:57:37,997 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 82 remaining) [2024-01-29 22:57:37,997 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err12ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 82 remaining) [2024-01-29 22:57:37,997 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err13ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 82 remaining) [2024-01-29 22:57:37,997 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err14ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 82 remaining) [2024-01-29 22:57:37,997 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 82 remaining) [2024-01-29 22:57:37,997 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 82 remaining) [2024-01-29 22:57:37,998 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 82 remaining) [2024-01-29 22:57:37,998 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 82 remaining) [2024-01-29 22:57:37,998 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 82 remaining) [2024-01-29 22:57:37,998 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 82 remaining) [2024-01-29 22:57:37,998 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 82 remaining) [2024-01-29 22:57:37,998 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 82 remaining) [2024-01-29 22:57:37,998 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 82 remaining) [2024-01-29 22:57:37,999 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 82 remaining) [2024-01-29 22:57:37,999 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 82 remaining) [2024-01-29 22:57:37,999 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 82 remaining) [2024-01-29 22:57:37,999 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 82 remaining) [2024-01-29 22:57:37,999 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 82 remaining) [2024-01-29 22:57:37,999 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION (34 of 82 remaining) [2024-01-29 22:57:37,999 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (33 of 82 remaining) [2024-01-29 22:57:38,003 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (32 of 82 remaining) [2024-01-29 22:57:38,003 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 82 remaining) [2024-01-29 22:57:38,003 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 82 remaining) [2024-01-29 22:57:38,003 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 82 remaining) [2024-01-29 22:57:38,003 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 82 remaining) [2024-01-29 22:57:38,003 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 82 remaining) [2024-01-29 22:57:38,004 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 82 remaining) [2024-01-29 22:57:38,004 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 82 remaining) [2024-01-29 22:57:38,004 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 82 remaining) [2024-01-29 22:57:38,004 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 82 remaining) [2024-01-29 22:57:38,004 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 82 remaining) [2024-01-29 22:57:38,004 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 82 remaining) [2024-01-29 22:57:38,004 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 82 remaining) [2024-01-29 22:57:38,005 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 82 remaining) [2024-01-29 22:57:38,005 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 82 remaining) [2024-01-29 22:57:38,005 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 82 remaining) [2024-01-29 22:57:38,005 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 82 remaining) [2024-01-29 22:57:38,005 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 82 remaining) [2024-01-29 22:57:38,005 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 82 remaining) [2024-01-29 22:57:38,005 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err15ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 82 remaining) [2024-01-29 22:57:38,006 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 82 remaining) [2024-01-29 22:57:38,006 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 82 remaining) [2024-01-29 22:57:38,006 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 82 remaining) [2024-01-29 22:57:38,006 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 82 remaining) [2024-01-29 22:57:38,006 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 82 remaining) [2024-01-29 22:57:38,006 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 82 remaining) [2024-01-29 22:57:38,006 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 82 remaining) [2024-01-29 22:57:38,007 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 82 remaining) [2024-01-29 22:57:38,007 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 82 remaining) [2024-01-29 22:57:38,007 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 82 remaining) [2024-01-29 22:57:38,007 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err12ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 82 remaining) [2024-01-29 22:57:38,007 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err13ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 82 remaining) [2024-01-29 22:57:38,007 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err14ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 82 remaining) [2024-01-29 22:57:38,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-01-29 22:57:38,008 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-01-29 22:57:38,014 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-29 22:57:38,014 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-29 22:57:38,035 INFO L503 ceAbstractionStarter]: Automizer considered 47 witness invariants [2024-01-29 22:57:38,035 INFO L504 ceAbstractionStarter]: WitnessConsidered=47 [2024-01-29 22:57:38,036 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.01 10:57:38 BasicIcfg [2024-01-29 22:57:38,036 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-29 22:57:38,037 INFO L158 Benchmark]: Toolchain (without parser) took 3565.86ms. Allocated memory was 161.5MB in the beginning and 232.8MB in the end (delta: 71.3MB). Free memory was 103.6MB in the beginning and 123.9MB in the end (delta: -20.4MB). Peak memory consumption was 51.4MB. Max. memory is 16.1GB. [2024-01-29 22:57:38,037 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 161.5MB. Free memory is still 123.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-29 22:57:38,037 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 161.5MB. Free memory is still 119.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-29 22:57:38,037 INFO L158 Benchmark]: CACSL2BoogieTranslator took 361.12ms. Allocated memory is still 161.5MB. Free memory was 103.1MB in the beginning and 85.6MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-01-29 22:57:38,038 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.48ms. Allocated memory is still 161.5MB. Free memory was 85.6MB in the beginning and 83.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-29 22:57:38,038 INFO L158 Benchmark]: Boogie Preprocessor took 47.33ms. Allocated memory is still 161.5MB. Free memory was 83.7MB in the beginning and 81.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-29 22:57:38,038 INFO L158 Benchmark]: RCFGBuilder took 899.70ms. Allocated memory is still 161.5MB. Free memory was 81.6MB in the beginning and 72.1MB in the end (delta: 9.5MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. [2024-01-29 22:57:38,038 INFO L158 Benchmark]: TraceAbstraction took 2213.61ms. Allocated memory was 161.5MB in the beginning and 232.8MB in the end (delta: 71.3MB). Free memory was 71.3MB in the beginning and 123.9MB in the end (delta: -52.6MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. [2024-01-29 22:57:38,040 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.18ms. Allocated memory is still 161.5MB. Free memory is still 123.8MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.12ms. Allocated memory is still 161.5MB. Free memory is still 119.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 361.12ms. Allocated memory is still 161.5MB. Free memory was 103.1MB in the beginning and 85.6MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.48ms. Allocated memory is still 161.5MB. Free memory was 85.6MB in the beginning and 83.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.33ms. Allocated memory is still 161.5MB. Free memory was 83.7MB in the beginning and 81.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 899.70ms. Allocated memory is still 161.5MB. Free memory was 81.6MB in the beginning and 72.1MB in the end (delta: 9.5MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. * TraceAbstraction took 2213.61ms. Allocated memory was 161.5MB in the beginning and 232.8MB in the end (delta: 71.3MB). Free memory was 71.3MB in the beginning and 123.9MB in the end (delta: -52.6MB). Peak memory consumption was 18.2MB. 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[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[i1]]],CastExpression[ACSLType[long long],IdentifierExpression[pos]]],IntegerLiteral[0LL]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,CastExpression[ACSLType[long long],IdentifierExpression[i1]],CastExpression[ACSLType[long long],IdentifierExpression[pos]]],IntegerLiteral[0LL]]],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[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[i1]]],CastExpression[ACSLType[long long],IdentifierExpression[pos]]],IntegerLiteral[0LL]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,CastExpression[ACSLType[long long],IdentifierExpression[i1]],CastExpression[ACSLType[long long],IdentifierExpression[pos]]],IntegerLiteral[0LL]]],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[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[i1]]],CastExpression[ACSLType[long long],IdentifierExpression[pos]]],IntegerLiteral[0LL]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,CastExpression[ACSLType[long long],IdentifierExpression[i1]],CastExpression[ACSLType[long long],IdentifierExpression[pos]]],IntegerLiteral[0LL]]],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[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[i1]]],CastExpression[ACSLType[long long],IdentifierExpression[pos]]],IntegerLiteral[0LL]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,CastExpression[ACSLType[long long],IdentifierExpression[i1]],CastExpression[ACSLType[long long],IdentifierExpression[pos]]],IntegerLiteral[0LL]]],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[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[i1]]],CastExpression[ACSLType[long long],IdentifierExpression[pos]]],IntegerLiteral[0LL]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,CastExpression[ACSLType[long long],IdentifierExpression[i1]],CastExpression[ACSLType[long long],IdentifierExpression[pos]]],IntegerLiteral[0LL]]],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[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[i1]]],CastExpression[ACSLType[long long],IdentifierExpression[pos]]],IntegerLiteral[0LL]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,CastExpression[ACSLType[long long],IdentifierExpression[i1]],CastExpression[ACSLType[long long],IdentifierExpression[pos]]],IntegerLiteral[0LL]]],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[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[LOGICAND,BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[i1]]],CastExpression[ACSLType[long long],IdentifierExpression[pos]]],IntegerLiteral[0LL]],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[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[i1],IntegerLiteral[0]],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]]]] VAL [N=0, i1=0, i2=0, pos=0, t1={5:0}, t2={3:0}] [L70] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[i1],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[N],IntegerLiteral[0]]]]] [L70] i1 = __VERIFIER_nondet_int() [L71] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[i2],IntegerLiteral[0]],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: 2.0s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 334 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 121 mSDsluCounter, 80 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 76 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 517 IncrementalHoareTripleChecker+Invalid, 593 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 76 mSolverCounterUnsat, 80 mSDtfsCounter, 517 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=188occurred in iteration=0, InterpolantAutomatonStates: 18, 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, 0.4s InterpolantComputationTime, 73 NumberOfCodeBlocks, 73 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 51 ConstructedInterpolants, 0 QuantifiedInterpolants, 316 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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! [2024-01-29 22:57:38,065 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE