./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_24-sound_lock_racing.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/28-race_reach_24-sound_lock_racing.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/goblint-regression/28-race_reach_24-sound_lock_racing.i ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/28-race_reach_24-sound_lock_racing.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 23:21:40,375 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-29 23:21:40,445 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-29 23:21:40,450 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-29 23:21:40,451 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-29 23:21:40,476 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-29 23:21:40,476 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-29 23:21:40,476 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-29 23:21:40,477 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-29 23:21:40,480 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-29 23:21:40,480 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-29 23:21:40,481 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-29 23:21:40,482 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-29 23:21:40,482 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-29 23:21:40,483 INFO L153 SettingsManager]: * Use SBE=true [2024-01-29 23:21:40,483 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-29 23:21:40,483 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-29 23:21:40,483 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-29 23:21:40,484 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-29 23:21:40,484 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-29 23:21:40,484 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-29 23:21:40,484 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-29 23:21:40,485 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-29 23:21:40,485 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-29 23:21:40,485 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-29 23:21:40,485 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-29 23:21:40,485 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-29 23:21:40,486 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-29 23:21:40,486 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-29 23:21:40,486 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-29 23:21:40,487 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-29 23:21:40,487 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-29 23:21:40,487 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-29 23:21:40,488 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-29 23:21:40,488 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-29 23:21:40,488 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-29 23:21:40,488 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-29 23:21:40,488 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-29 23:21:40,488 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-29 23:21:40,489 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-29 23:21:40,489 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-29 23:21:40,489 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-29 23:21:40,489 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-29 23:21:40,489 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-29 23:21:40,718 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-29 23:21:40,737 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-29 23:21:40,739 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-29 23:21:40,739 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-29 23:21:40,740 INFO L274 PluginConnector]: CDTParser initialized [2024-01-29 23:21:40,741 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_24-sound_lock_racing.i [2024-01-29 23:21:41,894 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-29 23:21:42,158 INFO L384 CDTParser]: Found 1 translation units. [2024-01-29 23:21:42,159 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_24-sound_lock_racing.i [2024-01-29 23:21:42,174 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b02214440/673677230efa44beb64ad0057af6d459/FLAG10ab18be8 [2024-01-29 23:21:42,187 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b02214440/673677230efa44beb64ad0057af6d459 [2024-01-29 23:21:42,188 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-29 23:21:42,189 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-29 23:21:42,191 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/28-race_reach_24-sound_lock_racing.yml/witness.yml [2024-01-29 23:21:42,304 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-29 23:21:42,307 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-29 23:21:42,308 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-29 23:21:42,309 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-29 23:21:42,312 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-29 23:21:42,312 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 11:21:42" (1/2) ... [2024-01-29 23:21:42,313 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a95a402 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:21:42, skipping insertion in model container [2024-01-29 23:21:42,313 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 11:21:42" (1/2) ... [2024-01-29 23:21:42,315 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@55e72906 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:21:42, skipping insertion in model container [2024-01-29 23:21:42,315 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 11:21:42" (2/2) ... [2024-01-29 23:21:42,315 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a95a402 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 11:21:42, skipping insertion in model container [2024-01-29 23:21:42,315 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 11:21:42" (2/2) ... [2024-01-29 23:21:42,316 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-29 23:21:42,375 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-29 23:21:42,376 INFO L98 nessWitnessExtractor]: Location invariant before [L710-L710] (m == & mutex2 || m == & mutex1) && (((((((((((((((((((((((((i == 18 || i == 17) || i == 16) || i == 15) || i == 14) || i == 13) || i == 12) || i == 11) || i == 10) || i == 9) || i == 8) || i == 7) || i == 6) || i == 5) || i == 4) || i == 3) || i == 2) || i == 1) || ((0 == i && global == 0) && i == 0)) || (25 <= i && i <= 9999)) || i == 24) || i == 23) || i == 22) || i == 21) || i == 20) || i == 19) [2024-01-29 23:21:42,376 INFO L98 nessWitnessExtractor]: Loop invariant at [L710-L710] m == & mutex2 || m == & mutex1 [2024-01-29 23:21:42,376 INFO L98 nessWitnessExtractor]: Location invariant before [L710-L710] m == & mutex2 || m == & mutex1 [2024-01-29 23:21:42,377 INFO L98 nessWitnessExtractor]: Loop invariant at [L710-L710] (m == & mutex2 || m == & mutex1) && (((((((((((((((((((((((((i == 19 || i == 18) || i == 17) || i == 16) || i == 15) || i == 14) || i == 13) || i == 12) || i == 11) || i == 10) || i == 9) || i == 8) || i == 7) || i == 6) || i == 5) || i == 4) || i == 3) || i == 2) || i == 1) || ((0 == i && global == 0) && i == 0)) || (25 <= i && i <= 10000)) || i == 24) || i == 23) || i == 22) || i == 21) || i == 20) [2024-01-29 23:21:42,377 INFO L98 nessWitnessExtractor]: Location invariant before [L704-L704] (unsigned long )arg == 0UL [2024-01-29 23:21:42,377 INFO L98 nessWitnessExtractor]: Location invariant before [L691-L691] (0 <= global) && (0 <= global) [2024-01-29 23:21:42,378 INFO L98 nessWitnessExtractor]: Location invariant before [L691-L691] 0 <= global [2024-01-29 23:21:42,378 INFO L98 nessWitnessExtractor]: Location invariant before [L691-L691] ((0 <= global) && (0 <= global)) && (0 <= global) [2024-01-29 23:21:42,378 INFO L98 nessWitnessExtractor]: Location invariant before [L715-L715] i == 10000 [2024-01-29 23:21:42,378 INFO L98 nessWitnessExtractor]: Location invariant before [L715-L715] (i == 10000) && (m == & mutex2 || m == & mutex1) [2024-01-29 23:21:42,378 INFO L98 nessWitnessExtractor]: Location invariant before [L715-L715] (i == 10000) && (i == 10000) [2024-01-29 23:21:42,378 INFO L98 nessWitnessExtractor]: Location invariant before [L701-L701] (unsigned long )arg == 0UL [2024-01-29 23:21:42,378 INFO L98 nessWitnessExtractor]: Location invariant before [L711-L711] i == 10000 [2024-01-29 23:21:42,378 INFO L98 nessWitnessExtractor]: Location invariant before [L711-L711] (i == 10000) && (m == & mutex2 || m == & mutex1) [2024-01-29 23:21:42,379 INFO L98 nessWitnessExtractor]: Location invariant before [L712-L712] (0 <= global) && (i == 10000) [2024-01-29 23:21:42,379 INFO L98 nessWitnessExtractor]: Location invariant before [L712-L712] 0 <= global [2024-01-29 23:21:42,379 INFO L98 nessWitnessExtractor]: Loop invariant at [L712-L712] i == 10000 [2024-01-29 23:21:42,379 INFO L98 nessWitnessExtractor]: Location invariant before [L712-L712] ((0 <= global) && (i == 10000)) && (i == 10000) [2024-01-29 23:21:42,379 INFO L98 nessWitnessExtractor]: Location invariant before [L712-L712] ((0 <= global) && (i == 10000)) && (i == 10000) [2024-01-29 23:21:42,379 INFO L98 nessWitnessExtractor]: Location invariant before [L712-L712] ((0 <= global) && (i == 10000)) && (0 <= global) [2024-01-29 23:21:42,379 INFO L98 nessWitnessExtractor]: Location invariant before [L712-L712] ((0 <= global) && (i == 10000)) && (m == & mutex2 || m == & mutex1) [2024-01-29 23:21:42,380 INFO L98 nessWitnessExtractor]: Location invariant before [L712-L712] ((0 <= global) && (i == 10000)) && (m == & mutex2 || m == & mutex1) [2024-01-29 23:21:42,380 INFO L98 nessWitnessExtractor]: Loop invariant at [L712-L712] (i == 10000) && (m == & mutex2 || m == & mutex1) [2024-01-29 23:21:42,380 INFO L98 nessWitnessExtractor]: Location invariant before [L712-L712] ((0 <= global) && (i == 10000)) && (m == & mutex2 || m == & mutex1) [2024-01-29 23:21:42,380 INFO L98 nessWitnessExtractor]: Location invariant before [L707-L707] global == 0 [2024-01-29 23:21:42,380 INFO L98 nessWitnessExtractor]: Location invariant before [L709-L709] ((global == 0) && (m == & mutex1)) && (global == 0) [2024-01-29 23:21:42,380 INFO L98 nessWitnessExtractor]: Location invariant before [L709-L709] (global == 0) && (m == & mutex1) [2024-01-29 23:21:42,381 INFO L98 nessWitnessExtractor]: Location invariant before [L709-L709] (((global == 0) && (m == & mutex1)) && (global == 0)) && (m == & mutex1) [2024-01-29 23:21:42,381 INFO L98 nessWitnessExtractor]: Location invariant before [L709-L709] ((global == 0) && (m == & mutex1)) && (i != 0) [2024-01-29 23:21:42,381 INFO L98 nessWitnessExtractor]: Location invariant before [L709-L709] global == 0 [2024-01-29 23:21:42,381 INFO L98 nessWitnessExtractor]: Location invariant before [L702-L702] (1 <= global) && (0 <= global) [2024-01-29 23:21:42,381 INFO L98 nessWitnessExtractor]: Location invariant before [L702-L702] ((1 <= global) && (0 <= global)) && ((unsigned long )arg == 0UL) [2024-01-29 23:21:42,381 INFO L98 nessWitnessExtractor]: Loop invariant at [L702-L702] (0 <= global) && (1 <= global) [2024-01-29 23:21:42,381 INFO L98 nessWitnessExtractor]: Location invariant before [L702-L702] ((1 <= global) && (0 <= global)) && (0 <= global) [2024-01-29 23:21:42,382 INFO L98 nessWitnessExtractor]: Location invariant before [L702-L702] ((1 <= global) && (0 <= global)) && (global <= 2147483646) [2024-01-29 23:21:42,382 INFO L98 nessWitnessExtractor]: Location invariant before [L702-L702] (1 <= global) && (1 <= global) [2024-01-29 23:21:42,382 INFO L98 nessWitnessExtractor]: Location invariant before [L702-L702] ((1 <= global) && (0 <= global)) && ((unsigned long )arg == 0UL) [2024-01-29 23:21:42,382 INFO L98 nessWitnessExtractor]: Loop invariant at [L702-L702] ((0 <= global) && (1 <= global)) && ((unsigned long )arg == 0UL) [2024-01-29 23:21:42,383 INFO L98 nessWitnessExtractor]: Loop invariant at [L702-L702] 0 <= global [2024-01-29 23:21:42,383 INFO L98 nessWitnessExtractor]: Location invariant before [L702-L702] ((1 <= global) && (0 <= global)) && ((unsigned long )arg == 0UL) [2024-01-29 23:21:42,384 INFO L98 nessWitnessExtractor]: Location invariant before [L702-L702] ((1 <= global) && (0 <= global)) && (1 <= global) [2024-01-29 23:21:42,384 INFO L98 nessWitnessExtractor]: Location invariant before [L702-L702] 1 <= global [2024-01-29 23:21:42,384 INFO L98 nessWitnessExtractor]: Location invariant before [L702-L702] ((1 <= global) && (0 <= global)) && ((unsigned long )arg == 0UL) [2024-01-29 23:21:42,384 INFO L98 nessWitnessExtractor]: Location invariant before [L702-L702] (1 <= global) && ((unsigned long )arg == 0UL) [2024-01-29 23:21:42,384 INFO L98 nessWitnessExtractor]: Loop invariant at [L702-L702] (0 <= global) && ((unsigned long )arg == 0UL) [2024-01-29 23:21:42,384 INFO L98 nessWitnessExtractor]: Location invariant before [L702-L702] ((1 <= global) && (0 <= global)) && (0 <= global) [2024-01-29 23:21:42,385 INFO L98 nessWitnessExtractor]: Location invariant before [L702-L702] (1 <= global) && ((unsigned long )arg == 0UL) [2024-01-29 23:21:42,385 INFO L98 nessWitnessExtractor]: Loop invariant at [L714-L714] (i == 10000) && (m == & mutex2 || m == & mutex1) [2024-01-29 23:21:42,385 INFO L98 nessWitnessExtractor]: Loop invariant at [L714-L714] i == 10000 [2024-01-29 23:21:42,385 INFO L98 nessWitnessExtractor]: Location invariant before [L714-L714] i == 10000 [2024-01-29 23:21:42,385 INFO L98 nessWitnessExtractor]: Location invariant before [L714-L714] (i == 10000) && (m == & mutex2 || m == & mutex1) [2024-01-29 23:21:42,385 INFO L98 nessWitnessExtractor]: Loop invariant at [L714-L714] ((i == 10000) && (m == & mutex2 || m == & mutex1)) && (((((((((((((((((((((((((i == 4 || i == 3) || i == 2) || i == 1) || (0 == i && i == 0)) || (25 <= i && i <= 10000)) || i == 24) || i == 23) || i == 22) || i == 21) || i == 20) || i == 19) || i == 18) || i == 17) || i == 16) || i == 15) || i == 14) || i == 13) || i == 12) || i == 11) || i == 10) || i == 9) || i == 8) || i == 7) || i == 6) || i == 5) [2024-01-29 23:21:42,386 INFO L98 nessWitnessExtractor]: Location invariant before [L714-L714] (i == 10000) && (((((((((((((((((((((((((i == 4 || i == 3) || i == 2) || i == 1) || (0 == i && i == 0)) || (25 <= i && i <= 9999)) || i == 24) || i == 23) || i == 22) || i == 21) || i == 20) || i == 19) || i == 18) || i == 17) || i == 16) || i == 15) || i == 14) || i == 13) || i == 12) || i == 11) || i == 10) || i == 9) || i == 8) || i == 7) || i == 6) || i == 5) [2024-01-29 23:21:42,386 INFO L98 nessWitnessExtractor]: Location invariant before [L703-L703] (0 <= global) && ((unsigned long )arg == 0UL) [2024-01-29 23:21:42,386 INFO L98 nessWitnessExtractor]: Location invariant before [L703-L703] 0 <= global [2024-01-29 23:21:42,387 INFO L98 nessWitnessExtractor]: Location invariant before [L703-L703] (0 <= global) && (global <= 2147483646) [2024-01-29 23:21:42,387 INFO L98 nessWitnessExtractor]: Location invariant before [L708-L708] global == 0 [2024-01-29 23:21:42,387 INFO L98 nessWitnessExtractor]: Location invariant before [L713-L713] (i == 10000) && (m == & mutex2 || m == & mutex1) [2024-01-29 23:21:42,388 INFO L98 nessWitnessExtractor]: Location invariant before [L713-L713] i == 10000 [2024-01-29 23:21:42,388 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L22] global == 0 [2024-01-29 23:21:42,388 INFO L98 nessWitnessExtractor]: Loop invariant at [L710-L710] m == & mutex2 || m == & mutex1 [2024-01-29 23:21:42,388 INFO L98 nessWitnessExtractor]: Location invariant before [L710-L710] (m == & mutex2 || m == & mutex1) && (((((((((((((((((((((((((i == 18 || i == 17) || i == 16) || i == 15) || i == 14) || i == 13) || i == 12) || i == 11) || i == 10) || i == 9) || i == 8) || i == 7) || i == 6) || i == 5) || i == 4) || i == 3) || i == 2) || i == 1) || ((0 == i && global == 0) && i == 0)) || (25 <= i && i <= 9999)) || i == 24) || i == 23) || i == 22) || i == 21) || i == 20) || i == 19) [2024-01-29 23:21:42,388 INFO L98 nessWitnessExtractor]: Loop invariant at [L710-L710] (m == & mutex2 || m == & mutex1) && (((((((((((((((((((((((((i == 19 || i == 18) || i == 17) || i == 16) || i == 15) || i == 14) || i == 13) || i == 12) || i == 11) || i == 10) || i == 9) || i == 8) || i == 7) || i == 6) || i == 5) || i == 4) || i == 3) || i == 2) || i == 1) || ((0 == i && global == 0) && i == 0)) || (25 <= i && i <= 10000)) || i == 24) || i == 23) || i == 22) || i == 21) || i == 20) [2024-01-29 23:21:42,388 INFO L98 nessWitnessExtractor]: Location invariant before [L710-L710] m == & mutex2 || m == & mutex1 [2024-01-29 23:21:42,429 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-29 23:21:42,686 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_24-sound_lock_racing.i[30176,30189] [2024-01-29 23:21:42,703 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-29 23:21:42,713 INFO L202 MainTranslator]: Completed pre-run [2024-01-29 23:21:42,721 WARN L424 MainDispatcher]: Unable to annotate typedef long long int __intmax_t; with a witness entry [2024-01-29 23:21:42,742 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_24-sound_lock_racing.i[30176,30189] [2024-01-29 23:21:42,745 WARN L424 MainDispatcher]: Unable to annotate void __VERIFIER_assert(int cond) { if(!(cond)) { ERROR: {reach_error();abort();} } } 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 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 23:21:43,029 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-29 23:21:43,077 INFO L206 MainTranslator]: Completed translation [2024-01-29 23:21:43,092 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 11:21:43 WrapperNode [2024-01-29 23:21:43,092 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-29 23:21:43,094 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-29 23:21:43,094 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-29 23:21:43,094 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-29 23:21:43,099 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 11:21:43" (1/1) ... [2024-01-29 23:21:43,121 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 11:21:43" (1/1) ... [2024-01-29 23:21:43,153 INFO L138 Inliner]: procedures = 171, calls = 41, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 129 [2024-01-29 23:21:43,156 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-29 23:21:43,157 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-29 23:21:43,157 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-29 23:21:43,157 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-29 23:21:43,166 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 11:21:43" (1/1) ... [2024-01-29 23:21:43,166 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 11:21:43" (1/1) ... [2024-01-29 23:21:43,181 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 11:21:43" (1/1) ... [2024-01-29 23:21:43,201 INFO L175 MemorySlicer]: Split 19 memory accesses to 4 slices as follows [2, 2, 5, 10]. 53 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 5, 10]. The 1 writes are split as follows [0, 1, 0, 0]. [2024-01-29 23:21:43,208 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 11:21:43" (1/1) ... [2024-01-29 23:21:43,209 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 11:21:43" (1/1) ... [2024-01-29 23:21:43,218 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 11:21:43" (1/1) ... [2024-01-29 23:21:43,225 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 11:21:43" (1/1) ... [2024-01-29 23:21:43,227 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 11:21:43" (1/1) ... [2024-01-29 23:21:43,232 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 11:21:43" (1/1) ... [2024-01-29 23:21:43,236 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-29 23:21:43,252 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-29 23:21:43,253 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-29 23:21:43,253 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-29 23:21:43,254 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 11:21:43" (1/1) ... [2024-01-29 23:21:43,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-29 23:21:43,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-29 23:21:43,297 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 23:21:43,299 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 23:21:43,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-29 23:21:43,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-29 23:21:43,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-29 23:21:43,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-01-29 23:21:43,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-29 23:21:43,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-29 23:21:43,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-29 23:21:43,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-29 23:21:43,330 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-01-29 23:21:43,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-29 23:21:43,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-29 23:21:43,330 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-01-29 23:21:43,330 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-01-29 23:21:43,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-29 23:21:43,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-29 23:21:43,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-29 23:21:43,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-29 23:21:43,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-29 23:21:43,332 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-01-29 23:21:43,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-29 23:21:43,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-29 23:21:43,333 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 23:21:43,460 INFO L244 CfgBuilder]: Building ICFG [2024-01-29 23:21:43,462 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-29 23:21:43,879 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-29 23:21:43,879 INFO L293 CfgBuilder]: Performing block encoding [2024-01-29 23:21:43,967 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-29 23:21:43,967 INFO L320 CfgBuilder]: Removed 10 assume(true) statements. [2024-01-29 23:21:43,968 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 11:21:43 BoogieIcfgContainer [2024-01-29 23:21:43,968 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-29 23:21:43,970 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-29 23:21:43,970 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-29 23:21:43,973 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-29 23:21:43,973 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.01 11:21:42" (1/4) ... [2024-01-29 23:21:43,974 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f4b8cb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 11:21:43, skipping insertion in model container [2024-01-29 23:21:43,974 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 11:21:42" (2/4) ... [2024-01-29 23:21:43,974 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f4b8cb2 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 29.01 11:21:43, skipping insertion in model container [2024-01-29 23:21:43,974 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 11:21:43" (3/4) ... [2024-01-29 23:21:43,974 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f4b8cb2 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 29.01 11:21:43, skipping insertion in model container [2024-01-29 23:21:43,974 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 11:21:43" (4/4) ... [2024-01-29 23:21:43,976 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_24-sound_lock_racing.i [2024-01-29 23:21:43,988 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-29 23:21:43,988 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 66 error locations. [2024-01-29 23:21:43,988 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-29 23:21:44,059 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-01-29 23:21:44,098 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 172 places, 179 transitions, 365 flow [2024-01-29 23:21:44,191 INFO L124 PetriNetUnfolderBase]: 13/249 cut-off events. [2024-01-29 23:21:44,191 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-01-29 23:21:44,195 INFO L83 FinitePrefix]: Finished finitePrefix Result has 254 conditions, 249 events. 13/249 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 936 event pairs, 0 based on Foata normal form. 0/141 useless extension candidates. Maximal degree in co-relation 146. Up to 4 conditions per place. [2024-01-29 23:21:44,195 INFO L82 GeneralOperation]: Start removeDead. Operand has 172 places, 179 transitions, 365 flow [2024-01-29 23:21:44,200 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 172 places, 179 transitions, 365 flow [2024-01-29 23:21:44,206 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-29 23:21:44,210 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;@2702d2b2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-29 23:21:44,210 INFO L358 AbstractCegarLoop]: Starting to check reachability of 93 error locations. [2024-01-29 23:21:44,212 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-29 23:21:44,212 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-29 23:21:44,212 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-29 23:21:44,212 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 23:21:44,213 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-29 23:21:44,213 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 90 more)] === [2024-01-29 23:21:44,216 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 23:21:44,216 INFO L85 PathProgramCache]: Analyzing trace with hash 15528, now seen corresponding path program 1 times [2024-01-29 23:21:44,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 23:21:44,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303893072] [2024-01-29 23:21:44,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 23:21:44,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 23:21:44,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 23:21:44,390 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 23:21:44,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 23:21:44,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303893072] [2024-01-29 23:21:44,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303893072] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 23:21:44,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 23:21:44,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 23:21:44,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645458378] [2024-01-29 23:21:44,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 23:21:44,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 23:21:44,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 23:21:44,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 23:21:44,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 23:21:44,565 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 179 [2024-01-29 23:21:44,569 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 179 transitions, 365 flow. Second operand has 3 states, 3 states have (on average 110.66666666666667) internal successors, (332), 3 states have internal predecessors, (332), 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 23:21:44,570 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 23:21:44,570 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 179 [2024-01-29 23:21:44,571 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 23:21:44,626 INFO L124 PetriNetUnfolderBase]: 9/169 cut-off events. [2024-01-29 23:21:44,626 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-29 23:21:44,627 INFO L83 FinitePrefix]: Finished finitePrefix Result has 220 conditions, 169 events. 9/169 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 532 event pairs, 9 based on Foata normal form. 21/138 useless extension candidates. Maximal degree in co-relation 131. Up to 46 conditions per place. [2024-01-29 23:21:44,628 INFO L140 encePairwiseOnDemand]: 169/179 looper letters, 19 selfloop transitions, 1 changer transitions 0/72 dead transitions. [2024-01-29 23:21:44,628 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 72 transitions, 188 flow [2024-01-29 23:21:44,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 23:21:44,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 23:21:44,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 359 transitions. [2024-01-29 23:21:44,654 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6685288640595903 [2024-01-29 23:21:44,656 INFO L175 Difference]: Start difference. First operand has 172 places, 179 transitions, 365 flow. Second operand 3 states and 359 transitions. [2024-01-29 23:21:44,656 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 72 transitions, 188 flow [2024-01-29 23:21:44,658 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 72 transitions, 188 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-01-29 23:21:44,660 INFO L231 Difference]: Finished difference. Result has 77 places, 72 transitions, 150 flow [2024-01-29 23:21:44,661 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=148, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=150, PETRI_PLACES=77, PETRI_TRANSITIONS=72} [2024-01-29 23:21:44,664 INFO L281 CegarLoopForPetriNet]: 172 programPoint places, -95 predicate places. [2024-01-29 23:21:44,674 INFO L495 AbstractCegarLoop]: Abstraction has has 77 places, 72 transitions, 150 flow [2024-01-29 23:21:44,675 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 110.66666666666667) internal successors, (332), 3 states have internal predecessors, (332), 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 23:21:44,675 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 23:21:44,675 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-01-29 23:21:44,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-29 23:21:44,676 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 90 more)] === [2024-01-29 23:21:44,676 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 23:21:44,676 INFO L85 PathProgramCache]: Analyzing trace with hash 463055147, now seen corresponding path program 1 times [2024-01-29 23:21:44,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 23:21:44,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153686715] [2024-01-29 23:21:44,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 23:21:44,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 23:21:44,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-29 23:21:44,707 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-01-29 23:21:44,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-29 23:21:44,734 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-01-29 23:21:44,736 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-01-29 23:21:44,738 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (92 of 93 remaining) [2024-01-29 23:21:44,739 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (91 of 93 remaining) [2024-01-29 23:21:44,740 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (90 of 93 remaining) [2024-01-29 23:21:44,740 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (89 of 93 remaining) [2024-01-29 23:21:44,740 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (88 of 93 remaining) [2024-01-29 23:21:44,740 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (87 of 93 remaining) [2024-01-29 23:21:44,740 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (86 of 93 remaining) [2024-01-29 23:21:44,740 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (85 of 93 remaining) [2024-01-29 23:21:44,741 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT (84 of 93 remaining) [2024-01-29 23:21:44,741 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT (83 of 93 remaining) [2024-01-29 23:21:44,742 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONWITNESS_INVARIANT (82 of 93 remaining) [2024-01-29 23:21:44,742 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONWITNESS_INVARIANT (81 of 93 remaining) [2024-01-29 23:21:44,742 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONWITNESS_INVARIANT (80 of 93 remaining) [2024-01-29 23:21:44,742 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONWITNESS_INVARIANT (79 of 93 remaining) [2024-01-29 23:21:44,742 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONWITNESS_INVARIANT (78 of 93 remaining) [2024-01-29 23:21:44,742 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONWITNESS_INVARIANT (77 of 93 remaining) [2024-01-29 23:21:44,743 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONWITNESS_INVARIANT (76 of 93 remaining) [2024-01-29 23:21:44,743 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONWITNESS_INVARIANT (75 of 93 remaining) [2024-01-29 23:21:44,743 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONWITNESS_INVARIANT (74 of 93 remaining) [2024-01-29 23:21:44,744 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONWITNESS_INVARIANT (73 of 93 remaining) [2024-01-29 23:21:44,744 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONWITNESS_INVARIANT (72 of 93 remaining) [2024-01-29 23:21:44,746 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONWITNESS_INVARIANT (71 of 93 remaining) [2024-01-29 23:21:44,747 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONWITNESS_INVARIANT (70 of 93 remaining) [2024-01-29 23:21:44,747 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONWITNESS_INVARIANT (69 of 93 remaining) [2024-01-29 23:21:44,747 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONWITNESS_INVARIANT (68 of 93 remaining) [2024-01-29 23:21:44,748 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION (67 of 93 remaining) [2024-01-29 23:21:44,748 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONWITNESS_INVARIANT (66 of 93 remaining) [2024-01-29 23:21:44,748 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONWITNESS_INVARIANT (65 of 93 remaining) [2024-01-29 23:21:44,749 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 93 remaining) [2024-01-29 23:21:44,749 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 93 remaining) [2024-01-29 23:21:44,749 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 93 remaining) [2024-01-29 23:21:44,749 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 93 remaining) [2024-01-29 23:21:44,749 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 93 remaining) [2024-01-29 23:21:44,749 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 93 remaining) [2024-01-29 23:21:44,750 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 93 remaining) [2024-01-29 23:21:44,750 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 93 remaining) [2024-01-29 23:21:44,750 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 93 remaining) [2024-01-29 23:21:44,750 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr39ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 93 remaining) [2024-01-29 23:21:44,750 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 93 remaining) [2024-01-29 23:21:44,750 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 93 remaining) [2024-01-29 23:21:44,750 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (52 of 93 remaining) [2024-01-29 23:21:44,751 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 93 remaining) [2024-01-29 23:21:44,751 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 93 remaining) [2024-01-29 23:21:44,751 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 93 remaining) [2024-01-29 23:21:44,751 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 93 remaining) [2024-01-29 23:21:44,751 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 93 remaining) [2024-01-29 23:21:44,751 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr5ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 93 remaining) [2024-01-29 23:21:44,752 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr6ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 93 remaining) [2024-01-29 23:21:44,752 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr7ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 93 remaining) [2024-01-29 23:21:44,752 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr8ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 93 remaining) [2024-01-29 23:21:44,752 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr9ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 93 remaining) [2024-01-29 23:21:44,753 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr10ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 93 remaining) [2024-01-29 23:21:44,756 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr11ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 93 remaining) [2024-01-29 23:21:44,756 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr12ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 93 remaining) [2024-01-29 23:21:44,756 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr13ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 93 remaining) [2024-01-29 23:21:44,757 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr14ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 93 remaining) [2024-01-29 23:21:44,757 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr15ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 93 remaining) [2024-01-29 23:21:44,757 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr16ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 93 remaining) [2024-01-29 23:21:44,757 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr17ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 93 remaining) [2024-01-29 23:21:44,758 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr22ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 93 remaining) [2024-01-29 23:21:44,758 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr23ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 93 remaining) [2024-01-29 23:21:44,758 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr24ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 93 remaining) [2024-01-29 23:21:44,758 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr18ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 93 remaining) [2024-01-29 23:21:44,758 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr19ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 93 remaining) [2024-01-29 23:21:44,758 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr25ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 93 remaining) [2024-01-29 23:21:44,759 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr20ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 93 remaining) [2024-01-29 23:21:44,759 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr21ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 93 remaining) [2024-01-29 23:21:44,759 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 93 remaining) [2024-01-29 23:21:44,759 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 93 remaining) [2024-01-29 23:21:44,759 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 93 remaining) [2024-01-29 23:21:44,759 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 93 remaining) [2024-01-29 23:21:44,759 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 93 remaining) [2024-01-29 23:21:44,760 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr5ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 93 remaining) [2024-01-29 23:21:44,760 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr6ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 93 remaining) [2024-01-29 23:21:44,760 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr7ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 93 remaining) [2024-01-29 23:21:44,760 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr8ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 93 remaining) [2024-01-29 23:21:44,760 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr9ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 93 remaining) [2024-01-29 23:21:44,760 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr10ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 93 remaining) [2024-01-29 23:21:44,760 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr11ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 93 remaining) [2024-01-29 23:21:44,761 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr12ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 93 remaining) [2024-01-29 23:21:44,761 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr13ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 93 remaining) [2024-01-29 23:21:44,761 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr14ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 93 remaining) [2024-01-29 23:21:44,761 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr15ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 93 remaining) [2024-01-29 23:21:44,761 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr16ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 93 remaining) [2024-01-29 23:21:44,761 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr17ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 93 remaining) [2024-01-29 23:21:44,761 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr22ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 93 remaining) [2024-01-29 23:21:44,762 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr23ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 93 remaining) [2024-01-29 23:21:44,762 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr24ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 93 remaining) [2024-01-29 23:21:44,765 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr18ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 93 remaining) [2024-01-29 23:21:44,765 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr19ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 93 remaining) [2024-01-29 23:21:44,765 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr25ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 93 remaining) [2024-01-29 23:21:44,766 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr20ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 93 remaining) [2024-01-29 23:21:44,766 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr21ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 93 remaining) [2024-01-29 23:21:44,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-29 23:21:44,768 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-01-29 23:21:44,775 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-29 23:21:44,776 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-29 23:21:44,790 INFO L503 ceAbstractionStarter]: Automizer considered 65 witness invariants [2024-01-29 23:21:44,790 INFO L504 ceAbstractionStarter]: WitnessConsidered=65 [2024-01-29 23:21:44,791 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.01 11:21:44 BasicIcfg [2024-01-29 23:21:44,791 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-29 23:21:44,792 INFO L158 Benchmark]: Toolchain (without parser) took 2484.61ms. Allocated memory is still 188.7MB. Free memory was 109.9MB in the beginning and 96.5MB in the end (delta: 13.4MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2024-01-29 23:21:44,792 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 188.7MB. Free memory is still 148.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-29 23:21:44,792 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 188.7MB. Free memory is still 114.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-29 23:21:44,793 INFO L158 Benchmark]: CACSL2BoogieTranslator took 784.30ms. Allocated memory is still 188.7MB. Free memory was 109.6MB in the beginning and 144.3MB in the end (delta: -34.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-01-29 23:21:44,795 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.51ms. Allocated memory is still 188.7MB. Free memory was 144.3MB in the beginning and 142.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-29 23:21:44,796 INFO L158 Benchmark]: Boogie Preprocessor took 80.34ms. Allocated memory is still 188.7MB. Free memory was 142.2MB in the beginning and 139.0MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-01-29 23:21:44,796 INFO L158 Benchmark]: RCFGBuilder took 715.50ms. Allocated memory is still 188.7MB. Free memory was 139.0MB in the beginning and 81.2MB in the end (delta: 57.8MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2024-01-29 23:21:44,796 INFO L158 Benchmark]: TraceAbstraction took 822.03ms. Allocated memory is still 188.7MB. Free memory was 80.3MB in the beginning and 96.5MB in the end (delta: -16.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-01-29 23:21:44,797 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 188.7MB. Free memory is still 148.7MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.16ms. Allocated memory is still 188.7MB. Free memory is still 114.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 784.30ms. Allocated memory is still 188.7MB. Free memory was 109.6MB in the beginning and 144.3MB in the end (delta: -34.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.51ms. Allocated memory is still 188.7MB. Free memory was 144.3MB in the beginning and 142.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.34ms. Allocated memory is still 188.7MB. Free memory was 142.2MB in the beginning and 139.0MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 715.50ms. Allocated memory is still 188.7MB. Free memory was 139.0MB in the beginning and 81.2MB in the end (delta: 57.8MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. * TraceAbstraction took 822.03ms. Allocated memory is still 188.7MB. Free memory was 80.3MB in the beginning and 96.5MB in the end (delta: -16.2MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 709]: invariant of correctness witness can be violated invariant of correctness witness can be violated We found a FailurePath: [L696] pthread_mutex_t __global_lock = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L696] pthread_mutex_t __global_lock = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L696] pthread_mutex_t __global_lock = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L696] pthread_mutex_t __global_lock = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L696] pthread_mutex_t __global_lock = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L696] pthread_mutex_t __global_lock = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L697] int global = 0; [L698] pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L698] pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L698] pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L698] pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L698] pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L698] pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L699] pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L699] pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L699] pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L699] pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L699] pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L699] pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L707] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[global],IntegerLiteral[0]]]] [L707] int i = __VERIFIER_nondet_int(); [L708] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[global],IntegerLiteral[0]]]] [L708] pthread_mutex_t *m = &mutex1; VAL [__global_lock={3:0}, global=0, i=0, m={4:0}, mutex1={4:0}, mutex2={5:0}] [L709] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[global],IntegerLiteral[0]]]] VAL [__global_lock={3:0}, global=0, i=0, m={4:0}, mutex1={4:0}, mutex2={5:0}] [L709] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[global],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[m],UnaryExpression[ADDROF,IdentifierExpression[mutex1]]]],BinaryExpression[COMPNEQ,IdentifierExpression[i],IntegerLiteral[0]]]]] VAL [__global_lock={3:0}, global=0, i=0, m={4:0}, mutex1={4:0}, mutex2={5:0}] - UnprovableResult [Line: 707]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 708]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 709]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 709]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 709]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 709]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 710]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 710]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 710]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 710]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 711]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 711]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 712]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 712]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 712]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 712]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 712]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 712]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 712]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 712]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 712]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 712]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 713]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 713]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 691]: 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: 714]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 714]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 714]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 712]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 714]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 712]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 714]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 714]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 715]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 715]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 714]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 715]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 714]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 714]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 710]: 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: 701]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 703]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 703]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 703]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 704]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 240 locations, 93 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 197 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 93 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 28 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 120 IncrementalHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 28 mSolverCounterUnsat, 0 mSDtfsCounter, 120 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=365occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 1 ConstructedInterpolants, 0 QuantifiedInterpolants, 3 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-01-29 23:21:44,827 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE