./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_08-cond_racefree.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_08-cond_racefree.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_08-cond_racefree.i ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/28-race_reach_08-cond_racefree.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 22:55:38,852 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-29 22:55:38,916 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-29 22:55:38,924 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-29 22:55:38,925 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-29 22:55:38,947 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-29 22:55:38,947 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-29 22:55:38,948 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-29 22:55:38,948 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-29 22:55:38,948 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-29 22:55:38,949 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-29 22:55:38,949 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-29 22:55:38,949 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-29 22:55:38,950 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-29 22:55:38,950 INFO L153 SettingsManager]: * Use SBE=true [2024-01-29 22:55:38,950 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-29 22:55:38,951 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-29 22:55:38,951 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-29 22:55:38,951 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-29 22:55:38,951 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-29 22:55:38,952 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-29 22:55:38,955 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-29 22:55:38,955 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-29 22:55:38,956 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-29 22:55:38,959 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-29 22:55:38,959 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-29 22:55:38,959 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-29 22:55:38,959 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-29 22:55:38,959 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-29 22:55:38,960 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-29 22:55:38,960 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-29 22:55:38,960 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-29 22:55:38,961 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-29 22:55:38,961 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-29 22:55:38,962 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-29 22:55:38,962 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-29 22:55:38,962 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-29 22:55:38,962 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-29 22:55:38,962 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-29 22:55:38,962 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-29 22:55:38,963 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-29 22:55:38,963 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-29 22:55:38,963 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-29 22:55:38,963 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-29 22:55:39,176 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-29 22:55:39,198 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-29 22:55:39,200 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-29 22:55:39,201 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-29 22:55:39,201 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-29 22:55:39,202 INFO L431 ainManager$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_08-cond_racefree.yml/witness.yml [2024-01-29 22:55:39,318 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-29 22:55:39,319 INFO L274 PluginConnector]: CDTParser initialized [2024-01-29 22:55:39,319 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_08-cond_racefree.i [2024-01-29 22:55:40,279 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-29 22:55:40,523 INFO L384 CDTParser]: Found 1 translation units. [2024-01-29 22:55:40,524 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_08-cond_racefree.i [2024-01-29 22:55:40,539 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5f735046/3d5079350bd24befb6db0ed8b95821a8/FLAG67fb339af [2024-01-29 22:55:40,553 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5f735046/3d5079350bd24befb6db0ed8b95821a8 [2024-01-29 22:55:40,553 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-29 22:55:40,554 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-29 22:55:40,555 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-29 22:55:40,555 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-29 22:55:40,558 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-29 22:55:40,559 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 10:55:39" (1/2) ... [2024-01-29 22:55:40,560 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ce95da5 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:55:40, skipping insertion in model container [2024-01-29 22:55:40,560 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 10:55:39" (1/2) ... [2024-01-29 22:55:40,561 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2529714d and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:55:40, skipping insertion in model container [2024-01-29 22:55:40,561 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 10:55:40" (2/2) ... [2024-01-29 22:55:40,561 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ce95da5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:55:40, skipping insertion in model container [2024-01-29 22:55:40,561 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 10:55:40" (2/2) ... [2024-01-29 22:55:40,562 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-29 22:55:40,635 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-29 22:55:40,637 INFO L98 nessWitnessExtractor]: Location invariant before [L928-L928] (global == 0) && (global == 0) [2024-01-29 22:55:40,637 INFO L98 nessWitnessExtractor]: Location invariant before [L928-L928] global == 0 [2024-01-29 22:55:40,637 INFO L98 nessWitnessExtractor]: Location invariant before [L938-L938] (unsigned long )arg == 0UL [2024-01-29 22:55:40,637 INFO L98 nessWitnessExtractor]: Location invariant before [L949-L949] ((global == 0) && (i == 10000)) && (i == 10000) [2024-01-29 22:55:40,637 INFO L98 nessWitnessExtractor]: Location invariant before [L949-L949] global == 0 [2024-01-29 22:55:40,638 INFO L98 nessWitnessExtractor]: Location invariant before [L949-L949] ((global == 0) && (i == 10000)) && (i == 10000) [2024-01-29 22:55:40,638 INFO L98 nessWitnessExtractor]: Location invariant before [L949-L949] ((global == 0) && (i == 10000)) && (i != 0) [2024-01-29 22:55:40,638 INFO L98 nessWitnessExtractor]: Location invariant before [L949-L949] ((global == 0) && (i == 10000)) && (global == 0) [2024-01-29 22:55:40,638 INFO L98 nessWitnessExtractor]: Location invariant before [L949-L949] ((global == 0) && (i == 10000)) && (i != 0) [2024-01-29 22:55:40,638 INFO L98 nessWitnessExtractor]: Loop invariant at [L949-L949] global == 0 [2024-01-29 22:55:40,638 INFO L98 nessWitnessExtractor]: Loop invariant at [L949-L949] (global == 0) && (i == 10000) [2024-01-29 22:55:40,639 INFO L98 nessWitnessExtractor]: Location invariant before [L949-L949] (global == 0) && (i == 10000) [2024-01-29 22:55:40,639 INFO L98 nessWitnessExtractor]: Location invariant before [L949-L949] ((global == 0) && (i == 10000)) && (i != 0) [2024-01-29 22:55:40,639 INFO L98 nessWitnessExtractor]: Location invariant before [L949-L949] ((global == 0) && (i == 10000)) && (i == 0 || (global == 0 && i != 0)) [2024-01-29 22:55:40,639 INFO L98 nessWitnessExtractor]: Location invariant before [L949-L949] ((global == 0) && (i == 10000)) && (global == 0) [2024-01-29 22:55:40,639 INFO L98 nessWitnessExtractor]: Loop invariant at [L949-L949] (global == 0) && (i != 0) [2024-01-29 22:55:40,639 INFO L98 nessWitnessExtractor]: Location invariant before [L949-L949] ((global == 0) && (i == 10000)) && (i == 10000) [2024-01-29 22:55:40,639 INFO L98 nessWitnessExtractor]: Location invariant before [L950-L950] (i == 10000) && (i == 0 || (global == 0 && i != 0)) [2024-01-29 22:55:40,639 INFO L98 nessWitnessExtractor]: Location invariant before [L950-L950] i == 10000 [2024-01-29 22:55:40,640 INFO L98 nessWitnessExtractor]: Location invariant before [L953-L953] i == 10000 [2024-01-29 22:55:40,640 INFO L98 nessWitnessExtractor]: Location invariant before [L953-L953] (i == 10000) && (i == 10000) [2024-01-29 22:55:40,640 INFO L98 nessWitnessExtractor]: Location invariant before [L947-L947] i == 10000 [2024-01-29 22:55:40,640 INFO L98 nessWitnessExtractor]: Location invariant before [L947-L947] (i == 10000) && (i == 10000) [2024-01-29 22:55:40,640 INFO L98 nessWitnessExtractor]: Location invariant before [L947-L947] (i == 10000) && (i != 0) [2024-01-29 22:55:40,641 INFO L98 nessWitnessExtractor]: Location invariant before [L946-L946] i == 10000 [2024-01-29 22:55:40,641 INFO L98 nessWitnessExtractor]: Location invariant before [L948-L948] (i == 10000) && (i == 0 || (global == 0 && i != 0)) [2024-01-29 22:55:40,641 INFO L98 nessWitnessExtractor]: Location invariant before [L948-L948] i == 10000 [2024-01-29 22:55:40,641 INFO L98 nessWitnessExtractor]: Location invariant before [L941-L941] (unsigned long )arg == 0UL [2024-01-29 22:55:40,641 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L22] global == 0 [2024-01-29 22:55:40,641 INFO L98 nessWitnessExtractor]: Location invariant before [L951-L951] global == 0 [2024-01-29 22:55:40,641 INFO L98 nessWitnessExtractor]: Location invariant before [L951-L951] (global == 0) && (i == 0 || (global == 0 && i != 0)) [2024-01-29 22:55:40,641 INFO L98 nessWitnessExtractor]: Location invariant before [L951-L951] (global == 0) && (i == 10000) [2024-01-29 22:55:40,642 INFO L98 nessWitnessExtractor]: Location invariant before [L951-L951] (global == 0) && (i == 10000) [2024-01-29 22:55:40,642 INFO L98 nessWitnessExtractor]: Location invariant before [L951-L951] (global == 0) && (i != 0) [2024-01-29 22:55:40,642 INFO L98 nessWitnessExtractor]: Location invariant before [L940-L940] global == 0 [2024-01-29 22:55:40,642 INFO L98 nessWitnessExtractor]: Location invariant before [L940-L940] (global == 0) && ((unsigned long )arg == 0UL) [2024-01-29 22:55:40,642 INFO L98 nessWitnessExtractor]: Location invariant before [L939-L939] ((global == 1) && (global == 1)) && ((unsigned long )arg == 0UL) [2024-01-29 22:55:40,642 INFO L98 nessWitnessExtractor]: Location invariant before [L939-L939] ((global == 1) && (global == 1)) && (global == 1) [2024-01-29 22:55:40,643 INFO L98 nessWitnessExtractor]: Location invariant before [L939-L939] ((global == 1) && (global == 1)) && ((unsigned long )arg == 0UL) [2024-01-29 22:55:40,644 INFO L98 nessWitnessExtractor]: Loop invariant at [L939-L939] (global == 1) && (global == 0) [2024-01-29 22:55:40,644 INFO L98 nessWitnessExtractor]: Location invariant before [L939-L939] (global == 1) && ((unsigned long )arg == 0UL) [2024-01-29 22:55:40,644 INFO L98 nessWitnessExtractor]: Location invariant before [L939-L939] ((global == 1) && (global == 1)) && (global == 0) [2024-01-29 22:55:40,644 INFO L98 nessWitnessExtractor]: Loop invariant at [L939-L939] ((global == 1) && (global == 0)) && ((unsigned long )arg == 0UL) [2024-01-29 22:55:40,644 INFO L98 nessWitnessExtractor]: Location invariant before [L939-L939] ((global == 1) && (global == 1)) && (global == 0) [2024-01-29 22:55:40,644 INFO L98 nessWitnessExtractor]: Location invariant before [L939-L939] ((global == 1) && (global == 1)) && (global == 0) [2024-01-29 22:55:40,645 INFO L98 nessWitnessExtractor]: Loop invariant at [L939-L939] global == 1 [2024-01-29 22:55:40,645 INFO L98 nessWitnessExtractor]: Loop invariant at [L939-L939] (global == 1) && ((unsigned long )arg == 0UL) [2024-01-29 22:55:40,645 INFO L98 nessWitnessExtractor]: Location invariant before [L939-L939] (global == 1) && (global == 1) [2024-01-29 22:55:40,645 INFO L98 nessWitnessExtractor]: Location invariant before [L939-L939] ((global == 1) && (global == 1)) && ((unsigned long )arg == 0UL) [2024-01-29 22:55:40,645 INFO L98 nessWitnessExtractor]: Location invariant before [L939-L939] ((global == 1) && (global == 1)) && ((unsigned long )arg == 0UL) [2024-01-29 22:55:40,645 INFO L98 nessWitnessExtractor]: Location invariant before [L939-L939] global == 1 [2024-01-29 22:55:40,646 INFO L98 nessWitnessExtractor]: Location invariant before [L939-L939] ((global == 1) && (global == 1)) && ((unsigned long )arg == 0UL) [2024-01-29 22:55:40,646 INFO L98 nessWitnessExtractor]: Location invariant before [L945-L945] ((((((((((((((((((((((((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 <= 9999)) || i == 24) || i == 23) || i == 22) || i == 21) || i == 20 [2024-01-29 22:55:40,646 INFO L98 nessWitnessExtractor]: Loop invariant at [L945-L945] ((((((((((((((((((((((((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 22:55:40,646 INFO L98 nessWitnessExtractor]: Loop invariant at [L952-L952] i == 10000 [2024-01-29 22:55:40,647 INFO L98 nessWitnessExtractor]: Location invariant before [L952-L952] i == 10000 [2024-01-29 22:55:40,647 INFO L98 nessWitnessExtractor]: Loop invariant at [L952-L952] (i == 10000) && (((((((((((((((((((((((((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 22:55:40,648 INFO L98 nessWitnessExtractor]: Location invariant before [L952-L952] (i == 10000) && (((((((((((((((((((((((((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) || i == 4) [2024-01-29 22:55:40,648 INFO L98 nessWitnessExtractor]: Location invariant before [L945-L945] ((((((((((((((((((((((((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 <= 9999)) || i == 24) || i == 23) || i == 22) || i == 21) || i == 20 [2024-01-29 22:55:40,648 INFO L98 nessWitnessExtractor]: Loop invariant at [L945-L945] ((((((((((((((((((((((((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 22:55:40,648 INFO L98 nessWitnessExtractor]: Location invariant before [L944-L944] global == 0 [2024-01-29 22:55:40,688 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-29 22:55:41,000 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_08-cond_racefree.i[41322,41335] [2024-01-29 22:55:41,029 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-29 22:55:41,044 INFO L202 MainTranslator]: Completed pre-run [2024-01-29 22:55:41,051 WARN L424 MainDispatcher]: Unable to annotate typedef unsigned long long int __u_quad_t; with a witness entry [2024-01-29 22:55:41,075 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_08-cond_racefree.i[41322,41335] [2024-01-29 22:55:41,076 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 22:55:41,172 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-29 22:55:41,221 INFO L206 MainTranslator]: Completed translation [2024-01-29 22:55:41,221 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:55:41 WrapperNode [2024-01-29 22:55:41,221 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-29 22:55:41,223 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-29 22:55:41,223 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-29 22:55:41,223 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-29 22:55:41,229 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:55:41" (1/1) ... [2024-01-29 22:55:41,255 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:55:41" (1/1) ... [2024-01-29 22:55:41,291 INFO L138 Inliner]: procedures = 271, calls = 35, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 130 [2024-01-29 22:55:41,296 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-29 22:55:41,296 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-29 22:55:41,297 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-29 22:55:41,297 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-29 22:55:41,305 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:55:41" (1/1) ... [2024-01-29 22:55:41,305 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:55:41" (1/1) ... [2024-01-29 22:55:41,315 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:55:41" (1/1) ... [2024-01-29 22:55:41,338 INFO L175 MemorySlicer]: Split 14 memory accesses to 4 slices as follows [2, 5, 5, 2]. 36 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 5, 5, 0]. The 1 writes are split as follows [0, 0, 0, 1]. [2024-01-29 22:55:41,338 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:55:41" (1/1) ... [2024-01-29 22:55:41,338 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:55:41" (1/1) ... [2024-01-29 22:55:41,351 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:55:41" (1/1) ... [2024-01-29 22:55:41,360 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:55:41" (1/1) ... [2024-01-29 22:55:41,364 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:55:41" (1/1) ... [2024-01-29 22:55:41,369 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:55:41" (1/1) ... [2024-01-29 22:55:41,372 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-29 22:55:41,376 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-29 22:55:41,376 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-29 22:55:41,376 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-29 22:55:41,377 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:55:41" (1/1) ... [2024-01-29 22:55:41,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-29 22:55:41,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-29 22:55:41,401 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 22:55:41,404 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 22:55:41,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-29 22:55:41,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-29 22:55:41,428 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-01-29 22:55:41,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-29 22:55:41,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-29 22:55:41,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-29 22:55:41,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-01-29 22:55:41,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-29 22:55:41,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-29 22:55:41,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-29 22:55:41,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-29 22:55:41,429 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-01-29 22:55:41,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-29 22:55:41,430 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-01-29 22:55:41,430 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-01-29 22:55:41,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-29 22:55:41,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-29 22:55:41,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-29 22:55:41,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-29 22:55:41,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-29 22:55:41,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-29 22:55:41,432 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 22:55:41,537 INFO L244 CfgBuilder]: Building ICFG [2024-01-29 22:55:41,540 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-29 22:55:41,874 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-29 22:55:41,874 INFO L293 CfgBuilder]: Performing block encoding [2024-01-29 22:55:41,965 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-29 22:55:41,966 INFO L320 CfgBuilder]: Removed 10 assume(true) statements. [2024-01-29 22:55:41,967 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 10:55:41 BoogieIcfgContainer [2024-01-29 22:55:41,967 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-29 22:55:41,970 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-29 22:55:41,970 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-29 22:55:41,973 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-29 22:55:41,973 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 10:55:39" (1/4) ... [2024-01-29 22:55:41,974 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d6da0a1 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 29.01 10:55:41, skipping insertion in model container [2024-01-29 22:55:41,974 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.01 10:55:40" (2/4) ... [2024-01-29 22:55:41,974 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d6da0a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 10:55:41, skipping insertion in model container [2024-01-29 22:55:41,974 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:55:41" (3/4) ... [2024-01-29 22:55:41,975 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d6da0a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 10:55:41, skipping insertion in model container [2024-01-29 22:55:41,975 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 10:55:41" (4/4) ... [2024-01-29 22:55:41,976 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_08-cond_racefree.i [2024-01-29 22:55:41,990 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-29 22:55:41,991 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 63 error locations. [2024-01-29 22:55:41,991 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-29 22:55:42,066 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-01-29 22:55:42,099 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 167 places, 177 transitions, 361 flow [2024-01-29 22:55:42,193 INFO L124 PetriNetUnfolderBase]: 19/267 cut-off events. [2024-01-29 22:55:42,194 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-01-29 22:55:42,201 INFO L83 FinitePrefix]: Finished finitePrefix Result has 272 conditions, 267 events. 19/267 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1014 event pairs, 0 based on Foata normal form. 0/148 useless extension candidates. Maximal degree in co-relation 162. Up to 6 conditions per place. [2024-01-29 22:55:42,201 INFO L82 GeneralOperation]: Start removeDead. Operand has 167 places, 177 transitions, 361 flow [2024-01-29 22:55:42,208 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 167 places, 177 transitions, 361 flow [2024-01-29 22:55:42,216 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-29 22:55:42,222 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;@1d1e70d5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-29 22:55:42,223 INFO L358 AbstractCegarLoop]: Starting to check reachability of 88 error locations. [2024-01-29 22:55:42,225 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-29 22:55:42,226 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-29 22:55:42,226 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-29 22:55:42,226 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 22:55:42,227 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-29 22:55:42,227 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 85 more)] === [2024-01-29 22:55:42,231 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 22:55:42,231 INFO L85 PathProgramCache]: Analyzing trace with hash 15905, now seen corresponding path program 1 times [2024-01-29 22:55:42,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 22:55:42,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450251171] [2024-01-29 22:55:42,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 22:55:42,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 22:55:42,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 22:55:42,517 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 22:55:42,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 22:55:42,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450251171] [2024-01-29 22:55:42,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450251171] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 22:55:42,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 22:55:42,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 22:55:42,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159812388] [2024-01-29 22:55:42,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 22:55:42,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 22:55:42,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 22:55:42,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 22:55:42,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 22:55:42,701 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 177 [2024-01-29 22:55:42,704 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 177 transitions, 361 flow. Second operand has 3 states, 3 states have (on average 89.66666666666667) internal successors, (269), 3 states have internal predecessors, (269), 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 22:55:42,704 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 22:55:42,704 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 177 [2024-01-29 22:55:42,705 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 22:55:42,783 INFO L124 PetriNetUnfolderBase]: 38/256 cut-off events. [2024-01-29 22:55:42,783 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-29 22:55:42,784 INFO L83 FinitePrefix]: Finished finitePrefix Result has 387 conditions, 256 events. 38/256 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1085 event pairs, 29 based on Foata normal form. 38/259 useless extension candidates. Maximal degree in co-relation 269. Up to 126 conditions per place. [2024-01-29 22:55:42,786 INFO L140 encePairwiseOnDemand]: 166/177 looper letters, 35 selfloop transitions, 1 changer transitions 0/85 dead transitions. [2024-01-29 22:55:42,786 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 85 transitions, 246 flow [2024-01-29 22:55:42,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 22:55:42,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 22:55:42,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 313 transitions. [2024-01-29 22:55:42,809 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5894538606403014 [2024-01-29 22:55:42,811 INFO L175 Difference]: Start difference. First operand has 167 places, 177 transitions, 361 flow. Second operand 3 states and 313 transitions. [2024-01-29 22:55:42,812 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 85 transitions, 246 flow [2024-01-29 22:55:42,814 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 85 transitions, 246 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-01-29 22:55:42,816 INFO L231 Difference]: Finished difference. Result has 87 places, 85 transitions, 176 flow [2024-01-29 22:55:42,817 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=177, PETRI_DIFFERENCE_MINUEND_FLOW=174, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=176, PETRI_PLACES=87, PETRI_TRANSITIONS=85} [2024-01-29 22:55:42,821 INFO L281 CegarLoopForPetriNet]: 167 programPoint places, -80 predicate places. [2024-01-29 22:55:42,821 INFO L495 AbstractCegarLoop]: Abstraction has has 87 places, 85 transitions, 176 flow [2024-01-29 22:55:42,822 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 89.66666666666667) internal successors, (269), 3 states have internal predecessors, (269), 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 22:55:42,822 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 22:55:42,822 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-01-29 22:55:42,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-29 22:55:42,823 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 85 more)] === [2024-01-29 22:55:42,823 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 22:55:42,823 INFO L85 PathProgramCache]: Analyzing trace with hash 493624, now seen corresponding path program 1 times [2024-01-29 22:55:42,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 22:55:42,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828405215] [2024-01-29 22:55:42,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 22:55:42,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 22:55:42,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-29 22:55:42,846 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-01-29 22:55:42,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-29 22:55:42,871 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-01-29 22:55:42,874 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-01-29 22:55:42,876 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (87 of 88 remaining) [2024-01-29 22:55:42,878 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (86 of 88 remaining) [2024-01-29 22:55:42,878 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (85 of 88 remaining) [2024-01-29 22:55:42,878 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (84 of 88 remaining) [2024-01-29 22:55:42,878 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (83 of 88 remaining) [2024-01-29 22:55:42,878 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (82 of 88 remaining) [2024-01-29 22:55:42,879 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (81 of 88 remaining) [2024-01-29 22:55:42,879 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (80 of 88 remaining) [2024-01-29 22:55:42,880 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT (79 of 88 remaining) [2024-01-29 22:55:42,880 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT (78 of 88 remaining) [2024-01-29 22:55:42,880 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONWITNESS_INVARIANT (77 of 88 remaining) [2024-01-29 22:55:42,881 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONWITNESS_INVARIANT (76 of 88 remaining) [2024-01-29 22:55:42,881 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONWITNESS_INVARIANT (75 of 88 remaining) [2024-01-29 22:55:42,881 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONWITNESS_INVARIANT (74 of 88 remaining) [2024-01-29 22:55:42,882 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONWITNESS_INVARIANT (73 of 88 remaining) [2024-01-29 22:55:42,882 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONWITNESS_INVARIANT (72 of 88 remaining) [2024-01-29 22:55:42,882 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONWITNESS_INVARIANT (71 of 88 remaining) [2024-01-29 22:55:42,882 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONWITNESS_INVARIANT (70 of 88 remaining) [2024-01-29 22:55:42,883 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONWITNESS_INVARIANT (69 of 88 remaining) [2024-01-29 22:55:42,884 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONWITNESS_INVARIANT (68 of 88 remaining) [2024-01-29 22:55:42,886 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONWITNESS_INVARIANT (67 of 88 remaining) [2024-01-29 22:55:42,886 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONWITNESS_INVARIANT (66 of 88 remaining) [2024-01-29 22:55:42,887 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONWITNESS_INVARIANT (65 of 88 remaining) [2024-01-29 22:55:42,887 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 88 remaining) [2024-01-29 22:55:42,887 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 88 remaining) [2024-01-29 22:55:42,887 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 88 remaining) [2024-01-29 22:55:42,887 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION (61 of 88 remaining) [2024-01-29 22:55:42,887 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 88 remaining) [2024-01-29 22:55:42,888 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 88 remaining) [2024-01-29 22:55:42,888 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 88 remaining) [2024-01-29 22:55:42,888 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 88 remaining) [2024-01-29 22:55:42,888 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 88 remaining) [2024-01-29 22:55:42,888 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 88 remaining) [2024-01-29 22:55:42,888 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 88 remaining) [2024-01-29 22:55:42,889 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 88 remaining) [2024-01-29 22:55:42,889 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 88 remaining) [2024-01-29 22:55:42,889 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 88 remaining) [2024-01-29 22:55:42,889 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 88 remaining) [2024-01-29 22:55:42,889 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 88 remaining) [2024-01-29 22:55:42,889 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (48 of 88 remaining) [2024-01-29 22:55:42,890 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 88 remaining) [2024-01-29 22:55:42,890 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 88 remaining) [2024-01-29 22:55:42,890 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 88 remaining) [2024-01-29 22:55:42,890 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 88 remaining) [2024-01-29 22:55:42,890 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 88 remaining) [2024-01-29 22:55:42,890 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr5ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 88 remaining) [2024-01-29 22:55:42,891 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr6ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 88 remaining) [2024-01-29 22:55:42,891 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr7ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 88 remaining) [2024-01-29 22:55:42,891 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr8ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 88 remaining) [2024-01-29 22:55:42,891 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr9ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 88 remaining) [2024-01-29 22:55:42,891 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr10ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 88 remaining) [2024-01-29 22:55:42,895 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr11ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 88 remaining) [2024-01-29 22:55:42,895 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr12ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 88 remaining) [2024-01-29 22:55:42,896 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr13ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 88 remaining) [2024-01-29 22:55:42,896 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr14ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 88 remaining) [2024-01-29 22:55:42,896 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr15ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 88 remaining) [2024-01-29 22:55:42,896 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr16ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 88 remaining) [2024-01-29 22:55:42,896 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr21ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 88 remaining) [2024-01-29 22:55:42,896 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr22ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 88 remaining) [2024-01-29 22:55:42,896 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr17ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 88 remaining) [2024-01-29 22:55:42,897 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr23ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 88 remaining) [2024-01-29 22:55:42,897 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr18ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 88 remaining) [2024-01-29 22:55:42,898 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr19ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 88 remaining) [2024-01-29 22:55:42,898 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr20ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 88 remaining) [2024-01-29 22:55:42,898 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 88 remaining) [2024-01-29 22:55:42,898 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 88 remaining) [2024-01-29 22:55:42,899 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 88 remaining) [2024-01-29 22:55:42,899 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 88 remaining) [2024-01-29 22:55:42,899 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 88 remaining) [2024-01-29 22:55:42,899 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr5ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 88 remaining) [2024-01-29 22:55:42,899 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr6ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 88 remaining) [2024-01-29 22:55:42,899 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr7ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 88 remaining) [2024-01-29 22:55:42,899 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr8ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 88 remaining) [2024-01-29 22:55:42,900 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr9ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 88 remaining) [2024-01-29 22:55:42,900 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr10ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 88 remaining) [2024-01-29 22:55:42,900 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr11ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 88 remaining) [2024-01-29 22:55:42,900 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr12ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 88 remaining) [2024-01-29 22:55:42,900 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr13ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 88 remaining) [2024-01-29 22:55:42,900 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr14ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 88 remaining) [2024-01-29 22:55:42,901 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr15ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 88 remaining) [2024-01-29 22:55:42,901 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr16ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 88 remaining) [2024-01-29 22:55:42,901 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr21ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 88 remaining) [2024-01-29 22:55:42,901 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr22ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 88 remaining) [2024-01-29 22:55:42,901 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr17ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 88 remaining) [2024-01-29 22:55:42,901 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr23ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 88 remaining) [2024-01-29 22:55:42,901 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr18ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 88 remaining) [2024-01-29 22:55:42,902 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr19ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 88 remaining) [2024-01-29 22:55:42,902 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr20ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 88 remaining) [2024-01-29 22:55:42,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-29 22:55:42,902 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-01-29 22:55:42,909 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-29 22:55:42,910 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-29 22:55:42,926 INFO L503 ceAbstractionStarter]: Automizer considered 62 witness invariants [2024-01-29 22:55:42,926 INFO L504 ceAbstractionStarter]: WitnessConsidered=62 [2024-01-29 22:55:42,927 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.01 10:55:42 BasicIcfg [2024-01-29 22:55:42,927 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-29 22:55:42,932 INFO L158 Benchmark]: Toolchain (without parser) took 2378.39ms. Allocated memory was 138.4MB in the beginning and 180.4MB in the end (delta: 41.9MB). Free memory was 108.7MB in the beginning and 103.6MB in the end (delta: 5.1MB). Peak memory consumption was 45.6MB. Max. memory is 16.1GB. [2024-01-29 22:55:42,933 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 138.4MB. Free memory was 104.7MB in the beginning and 104.6MB in the end (delta: 141.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-01-29 22:55:42,933 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 138.4MB. Free memory is still 113.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-29 22:55:42,933 INFO L158 Benchmark]: CACSL2BoogieTranslator took 666.69ms. Allocated memory is still 138.4MB. Free memory was 108.7MB in the beginning and 70.8MB in the end (delta: 37.9MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-01-29 22:55:42,936 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.34ms. Allocated memory is still 138.4MB. Free memory was 70.8MB in the beginning and 67.9MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-01-29 22:55:42,937 INFO L158 Benchmark]: Boogie Preprocessor took 78.72ms. Allocated memory is still 138.4MB. Free memory was 67.9MB in the beginning and 64.6MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-29 22:55:42,937 INFO L158 Benchmark]: RCFGBuilder took 591.96ms. Allocated memory is still 138.4MB. Free memory was 64.6MB in the beginning and 75.5MB in the end (delta: -10.9MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. [2024-01-29 22:55:42,937 INFO L158 Benchmark]: TraceAbstraction took 961.65ms. Allocated memory was 138.4MB in the beginning and 180.4MB in the end (delta: 41.9MB). Free memory was 74.6MB in the beginning and 103.6MB in the end (delta: -29.0MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. [2024-01-29 22:55:42,938 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 0.15ms. Allocated memory is still 138.4MB. Free memory was 104.7MB in the beginning and 104.6MB in the end (delta: 141.4kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.13ms. Allocated memory is still 138.4MB. Free memory is still 113.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 666.69ms. Allocated memory is still 138.4MB. Free memory was 108.7MB in the beginning and 70.8MB in the end (delta: 37.9MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.34ms. Allocated memory is still 138.4MB. Free memory was 70.8MB in the beginning and 67.9MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.72ms. Allocated memory is still 138.4MB. Free memory was 67.9MB in the beginning and 64.6MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 591.96ms. Allocated memory is still 138.4MB. Free memory was 64.6MB in the beginning and 75.5MB in the end (delta: -10.9MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. * TraceAbstraction took 961.65ms. Allocated memory was 138.4MB in the beginning and 180.4MB in the end (delta: 41.9MB). Free memory was 74.6MB in the beginning and 103.6MB in the end (delta: -29.0MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 945]: invariant of correctness witness can be violated invariant of correctness witness can be violated We found a FailurePath: [L933] pthread_mutex_t __global_lock = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L933] pthread_mutex_t __global_lock = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L933] pthread_mutex_t __global_lock = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L933] pthread_mutex_t __global_lock = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L933] pthread_mutex_t __global_lock = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L933] pthread_mutex_t __global_lock = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L934] int global = 0; [L935] pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L935] pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L935] pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L935] pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L935] pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L935] pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L936] pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L944] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[global],IntegerLiteral[0]]]] [L944] int i = __VERIFIER_nondet_int(); [L945] CodeAnnotStmt[Assertion[BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[19]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[18]]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[17]]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[16]]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[15]]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[14]]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[13]]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[12]]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[11]]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[10]]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[9]]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[8]]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[7]]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[6]]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[5]]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[4]]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[3]]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[2]]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[1]]],BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IntegerLiteral[0],IdentifierExpression[i]],BinaryExpression[COMPEQ,IdentifierExpression[global],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[0]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[25],IdentifierExpression[i]],BinaryExpression[COMPLEQ,IdentifierExpression[i],IntegerLiteral[10000]]]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[24]]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[23]]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[22]]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[21]]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[20]]]]] VAL [__global_lock={3:0}, global=0, i=10001, mutex1={4:0}] - UnprovableResult [Line: 944]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 945]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 946]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 947]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 947]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 947]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 948]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 948]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 949]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 949]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 949]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 949]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 949]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 949]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 949]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 949]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 949]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 949]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 949]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 949]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 949]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 949]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 950]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 950]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 951]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 928]: 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: 951]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 951]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 951]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 951]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 952]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 952]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 952]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 952]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 953]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 953]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 952]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 952]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 945]: 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: 938]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 939]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 939]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 939]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 939]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 939]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 939]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 939]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 939]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 939]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 939]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 939]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 939]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 939]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 939]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 939]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 939]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 940]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 940]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 939]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 941]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 939]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 939]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 939]: 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, 231 locations, 88 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: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 236 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 75 mSDsluCounter, 81 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 39 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 137 IncrementalHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 39 mSolverCounterUnsat, 81 mSDtfsCounter, 137 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=361occurred 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, 5 NumberOfCodeBlocks, 5 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 22:55:42,977 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