./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 3d25acf6 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-3d25acf-m [2024-01-30 14:22:04,579 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-30 14:22:04,684 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-30 14:22:04,688 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-30 14:22:04,689 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-30 14:22:04,717 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-30 14:22:04,721 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-30 14:22:04,722 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-30 14:22:04,722 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-30 14:22:04,726 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-30 14:22:04,727 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-30 14:22:04,727 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-30 14:22:04,728 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-30 14:22:04,729 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-30 14:22:04,729 INFO L153 SettingsManager]: * Use SBE=true [2024-01-30 14:22:04,730 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-30 14:22:04,730 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-30 14:22:04,730 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-30 14:22:04,731 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-30 14:22:04,731 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-30 14:22:04,731 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-30 14:22:04,732 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-30 14:22:04,732 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-30 14:22:04,732 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-30 14:22:04,732 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-30 14:22:04,733 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-30 14:22:04,733 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-30 14:22:04,733 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-30 14:22:04,734 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-30 14:22:04,734 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-30 14:22:04,735 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-30 14:22:04,735 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-30 14:22:04,736 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-30 14:22:04,736 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-30 14:22:04,736 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-30 14:22:04,736 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-30 14:22:04,737 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-30 14:22:04,737 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-30 14:22:04,737 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-30 14:22:04,737 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-30 14:22:04,738 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-30 14:22:04,738 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-30 14:22:04,738 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-30 14:22:04,738 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-30 14:22:05,070 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-30 14:22:05,097 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-30 14:22:05,099 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-30 14:22:05,100 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-30 14:22:05,101 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-30 14:22:05,101 INFO L431 ainManager$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 [2024-01-30 14:22:05,222 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-30 14:22:05,222 INFO L274 PluginConnector]: CDTParser initialized [2024-01-30 14:22:05,223 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_08-cond_racefree.i [2024-01-30 14:22:06,516 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-30 14:22:06,770 INFO L384 CDTParser]: Found 1 translation units. [2024-01-30 14:22:06,770 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_08-cond_racefree.i [2024-01-30 14:22:06,786 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e8dd7de8/4fd434d973394660b006d8ba65d8b376/FLAG6e04d4f1f [2024-01-30 14:22:06,801 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e8dd7de8/4fd434d973394660b006d8ba65d8b376 [2024-01-30 14:22:06,802 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-30 14:22:06,803 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-30 14:22:06,803 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-30 14:22:06,804 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-30 14:22:06,810 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-30 14:22:06,810 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 30.01 02:22:05" (1/2) ... [2024-01-30 14:22:06,811 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d9c96c5 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:22:06, skipping insertion in model container [2024-01-30 14:22:06,811 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 30.01 02:22:05" (1/2) ... [2024-01-30 14:22:06,813 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@55dd4b1e and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:22:06, skipping insertion in model container [2024-01-30 14:22:06,814 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.01 02:22:06" (2/2) ... [2024-01-30 14:22:06,814 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d9c96c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:22:06, skipping insertion in model container [2024-01-30 14:22:06,815 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.01 02:22:06" (2/2) ... [2024-01-30 14:22:06,815 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-30 14:22:06,912 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-30 14:22:06,914 INFO L98 nessWitnessExtractor]: Location invariant before [L946-L946] i == 10000 [2024-01-30 14:22:06,914 INFO L98 nessWitnessExtractor]: Location invariant before [L950-L950] (i == 10000) && (i == 0 || (global == 0 && i != 0)) [2024-01-30 14:22:06,914 INFO L98 nessWitnessExtractor]: Loop invariant at [L939-L939] (((global == 1) && ((unsigned long )arg == 0UL)) && (global == 0)) && ((unsigned long )arg == 0UL) [2024-01-30 14:22:06,914 INFO L98 nessWitnessExtractor]: Location invariant before [L939-L939] (((((((((((global == 1) && ((unsigned long )arg == 0UL)) && (global == 1)) && ((unsigned long )arg == 0UL)) && (global == 0)) && ((unsigned long )arg == 0UL)) && (global == 1)) && ((unsigned long )arg == 0UL)) && (global == 0)) && ((unsigned long )arg == 0UL)) && (global == 0)) && ((unsigned long )arg == 0UL) [2024-01-30 14:22:06,915 INFO L98 nessWitnessExtractor]: Location invariant before [L949-L949] ((((((((((global == 0) && (i == 10000)) && (i != 0)) && (global == 0)) && (i == 10000)) && (i != 0)) && (i == 10000)) && (i == 0 || (global == 0 && i != 0))) && (global == 0)) && (i == 10000)) && (i != 0) [2024-01-30 14:22:06,916 INFO L98 nessWitnessExtractor]: Loop invariant at [L949-L949] ((global == 0) && (i == 10000)) && (i != 0) [2024-01-30 14:22:06,916 INFO L98 nessWitnessExtractor]: Location invariant before [L951-L951] ((((global == 0) && (i == 10000)) && (i != 0)) && (i == 10000)) && (i == 0 || (global == 0 && i != 0)) [2024-01-30 14:22:06,916 INFO L98 nessWitnessExtractor]: Location invariant before [L938-L938] (unsigned long )arg == 0UL [2024-01-30 14:22:06,916 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L22] global == 0 [2024-01-30 14:22:06,916 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) [2024-01-30 14:22:06,917 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) [2024-01-30 14:22:06,917 INFO L98 nessWitnessExtractor]: Location invariant before [L941-L941] (unsigned long )arg == 0UL [2024-01-30 14:22:06,917 INFO L98 nessWitnessExtractor]: Location invariant before [L928-L928] (global == 0) && (global == 0) [2024-01-30 14:22:06,917 INFO L98 nessWitnessExtractor]: Location invariant before [L947-L947] ((i == 10000) && (i == 10000)) && (i != 0) [2024-01-30 14:22:06,917 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 [2024-01-30 14:22:06,917 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 [2024-01-30 14:22:06,918 INFO L98 nessWitnessExtractor]: Location invariant before [L953-L953] (i == 10000) && (i == 10000) [2024-01-30 14:22:06,918 INFO L98 nessWitnessExtractor]: Location invariant before [L940-L940] (global == 0) && ((unsigned long )arg == 0UL) [2024-01-30 14:22:06,918 INFO L98 nessWitnessExtractor]: Location invariant before [L944-L944] global == 0 [2024-01-30 14:22:06,918 INFO L98 nessWitnessExtractor]: Location invariant before [L948-L948] (i == 10000) && (i == 0 || (global == 0 && i != 0)) [2024-01-30 14:22:06,918 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 [2024-01-30 14:22:06,919 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 [2024-01-30 14:22:06,969 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-30 14:22:07,368 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] [2024-01-30 14:22:07,387 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-30 14:22:07,397 INFO L202 MainTranslator]: Completed pre-run [2024-01-30 14:22:07,409 WARN L424 MainDispatcher]: Unable to annotate typedef unsigned long long int __u_quad_t; with a witness entry [2024-01-30 14:22:07,437 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] [2024-01-30 14:22:07,438 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 [2024-01-30 14:22:07,498 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-30 14:22:07,563 INFO L206 MainTranslator]: Completed translation [2024-01-30 14:22:07,565 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:22:07 WrapperNode [2024-01-30 14:22:07,565 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-30 14:22:07,566 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-30 14:22:07,566 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-30 14:22:07,566 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-30 14:22:07,573 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:22:07" (1/1) ... [2024-01-30 14:22:07,600 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:22:07" (1/1) ... [2024-01-30 14:22:07,672 INFO L138 Inliner]: procedures = 271, calls = 35, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 106 [2024-01-30 14:22:07,676 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-30 14:22:07,677 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-30 14:22:07,677 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-30 14:22:07,677 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-30 14:22:07,686 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:22:07" (1/1) ... [2024-01-30 14:22:07,708 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:22:07" (1/1) ... [2024-01-30 14:22:07,720 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:22:07" (1/1) ... [2024-01-30 14:22:07,736 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]. [2024-01-30 14:22:07,739 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:22:07" (1/1) ... [2024-01-30 14:22:07,739 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:22:07" (1/1) ... [2024-01-30 14:22:07,753 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:22:07" (1/1) ... [2024-01-30 14:22:07,764 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:22:07" (1/1) ... [2024-01-30 14:22:07,769 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:22:07" (1/1) ... [2024-01-30 14:22:07,775 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:22:07" (1/1) ... [2024-01-30 14:22:07,779 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-30 14:22:07,783 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-30 14:22:07,783 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-30 14:22:07,784 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-30 14:22:07,784 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:22:07" (1/1) ... [2024-01-30 14:22:07,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-30 14:22:07,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-30 14:22:07,817 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) [2024-01-30 14:22:07,838 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 [2024-01-30 14:22:07,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-30 14:22:07,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-30 14:22:07,858 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-01-30 14:22:07,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-30 14:22:07,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-30 14:22:07,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-30 14:22:07,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-01-30 14:22:07,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-30 14:22:07,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-30 14:22:07,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-30 14:22:07,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-30 14:22:07,860 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-01-30 14:22:07,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-30 14:22:07,860 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-01-30 14:22:07,860 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-01-30 14:22:07,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-30 14:22:07,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-30 14:22:07,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-30 14:22:07,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-30 14:22:07,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-30 14:22:07,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-30 14:22:07,863 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-30 14:22:08,027 INFO L244 CfgBuilder]: Building ICFG [2024-01-30 14:22:08,029 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-30 14:22:08,330 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-30 14:22:08,332 INFO L293 CfgBuilder]: Performing block encoding [2024-01-30 14:22:08,465 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-30 14:22:08,465 INFO L320 CfgBuilder]: Removed 10 assume(true) statements. [2024-01-30 14:22:08,466 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.01 02:22:08 BoogieIcfgContainer [2024-01-30 14:22:08,466 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-30 14:22:08,468 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-30 14:22:08,470 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-30 14:22:08,473 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-30 14:22:08,473 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 30.01 02:22:05" (1/4) ... [2024-01-30 14:22:08,474 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f66fa88 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 30.01 02:22:08, skipping insertion in model container [2024-01-30 14:22:08,474 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.01 02:22:06" (2/4) ... [2024-01-30 14:22:08,476 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f66fa88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.01 02:22:08, skipping insertion in model container [2024-01-30 14:22:08,476 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:22:07" (3/4) ... [2024-01-30 14:22:08,476 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f66fa88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.01 02:22:08, skipping insertion in model container [2024-01-30 14:22:08,476 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.01 02:22:08" (4/4) ... [2024-01-30 14:22:08,477 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_08-cond_racefree.i [2024-01-30 14:22:08,492 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-30 14:22:08,492 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 21 error locations. [2024-01-30 14:22:08,492 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-30 14:22:08,539 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-01-30 14:22:08,569 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 83 places, 93 transitions, 193 flow [2024-01-30 14:22:08,610 INFO L124 PetriNetUnfolderBase]: 19/137 cut-off events. [2024-01-30 14:22:08,611 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-01-30 14:22:08,615 INFO L83 FinitePrefix]: Finished finitePrefix Result has 142 conditions, 137 events. 19/137 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 510 event pairs, 0 based on Foata normal form. 0/83 useless extension candidates. Maximal degree in co-relation 80. Up to 6 conditions per place. [2024-01-30 14:22:08,616 INFO L82 GeneralOperation]: Start removeDead. Operand has 83 places, 93 transitions, 193 flow [2024-01-30 14:22:08,619 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 83 places, 93 transitions, 193 flow [2024-01-30 14:22:08,630 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-30 14:22:08,642 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;@3593c5d2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-30 14:22:08,642 INFO L358 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2024-01-30 14:22:08,644 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-30 14:22:08,644 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-30 14:22:08,644 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-30 14:22:08,644 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-30 14:22:08,645 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-30 14:22:08,645 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 25 more)] === [2024-01-30 14:22:08,649 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-30 14:22:08,650 INFO L85 PathProgramCache]: Analyzing trace with hash 12901, now seen corresponding path program 1 times [2024-01-30 14:22:08,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-30 14:22:08,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350500425] [2024-01-30 14:22:08,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-30 14:22:08,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-30 14:22:08,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-30 14:22:08,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-30 14:22:08,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-30 14:22:08,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350500425] [2024-01-30 14:22:08,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350500425] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-30 14:22:08,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-30 14:22:08,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-30 14:22:08,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550270387] [2024-01-30 14:22:08,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-30 14:22:08,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-30 14:22:08,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-30 14:22:08,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-30 14:22:08,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-30 14:22:08,911 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 45 out of 93 [2024-01-30 14:22:08,914 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 93 transitions, 193 flow. Second operand has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 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) [2024-01-30 14:22:08,915 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-30 14:22:08,915 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 45 of 93 [2024-01-30 14:22:08,916 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-30 14:22:08,982 INFO L124 PetriNetUnfolderBase]: 22/132 cut-off events. [2024-01-30 14:22:08,982 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-30 14:22:08,982 INFO L83 FinitePrefix]: Finished finitePrefix Result has 199 conditions, 132 events. 22/132 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 536 event pairs, 13 based on Foata normal form. 22/131 useless extension candidates. Maximal degree in co-relation 133. Up to 62 conditions per place. [2024-01-30 14:22:08,984 INFO L140 encePairwiseOnDemand]: 86/93 looper letters, 19 selfloop transitions, 1 changer transitions 0/49 dead transitions. [2024-01-30 14:22:08,984 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 49 transitions, 142 flow [2024-01-30 14:22:08,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-30 14:22:08,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-30 14:22:08,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 161 transitions. [2024-01-30 14:22:08,997 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5770609318996416 [2024-01-30 14:22:08,999 INFO L175 Difference]: Start difference. First operand has 83 places, 93 transitions, 193 flow. Second operand 3 states and 161 transitions. [2024-01-30 14:22:09,000 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 49 transitions, 142 flow [2024-01-30 14:22:09,005 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 49 transitions, 142 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-01-30 14:22:09,008 INFO L231 Difference]: Finished difference. Result has 51 places, 49 transitions, 104 flow [2024-01-30 14:22:09,010 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=102, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=104, PETRI_PLACES=51, PETRI_TRANSITIONS=49} [2024-01-30 14:22:09,014 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, -32 predicate places. [2024-01-30 14:22:09,014 INFO L495 AbstractCegarLoop]: Abstraction has has 51 places, 49 transitions, 104 flow [2024-01-30 14:22:09,014 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 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) [2024-01-30 14:22:09,015 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-30 14:22:09,015 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-01-30 14:22:09,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-30 14:22:09,015 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 25 more)] === [2024-01-30 14:22:09,016 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-30 14:22:09,016 INFO L85 PathProgramCache]: Analyzing trace with hash 400337, now seen corresponding path program 1 times [2024-01-30 14:22:09,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-30 14:22:09,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135065561] [2024-01-30 14:22:09,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-30 14:22:09,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-30 14:22:09,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-30 14:22:09,038 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-01-30 14:22:09,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-30 14:22:09,067 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-01-30 14:22:09,067 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-01-30 14:22:09,069 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 28 remaining) [2024-01-30 14:22:09,070 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 28 remaining) [2024-01-30 14:22:09,071 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 28 remaining) [2024-01-30 14:22:09,071 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 28 remaining) [2024-01-30 14:22:09,071 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 28 remaining) [2024-01-30 14:22:09,072 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 28 remaining) [2024-01-30 14:22:09,072 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 28 remaining) [2024-01-30 14:22:09,072 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 28 remaining) [2024-01-30 14:22:09,072 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 28 remaining) [2024-01-30 14:22:09,073 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 28 remaining) [2024-01-30 14:22:09,073 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION (17 of 28 remaining) [2024-01-30 14:22:09,073 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 28 remaining) [2024-01-30 14:22:09,073 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 28 remaining) [2024-01-30 14:22:09,074 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 28 remaining) [2024-01-30 14:22:09,074 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 28 remaining) [2024-01-30 14:22:09,074 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 28 remaining) [2024-01-30 14:22:09,075 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 28 remaining) [2024-01-30 14:22:09,075 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 28 remaining) [2024-01-30 14:22:09,075 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 28 remaining) [2024-01-30 14:22:09,075 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 28 remaining) [2024-01-30 14:22:09,076 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr5ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 28 remaining) [2024-01-30 14:22:09,076 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 28 remaining) [2024-01-30 14:22:09,076 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 28 remaining) [2024-01-30 14:22:09,076 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 28 remaining) [2024-01-30 14:22:09,077 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 28 remaining) [2024-01-30 14:22:09,077 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 28 remaining) [2024-01-30 14:22:09,077 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr5ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 28 remaining) [2024-01-30 14:22:09,077 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 28 remaining) [2024-01-30 14:22:09,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-30 14:22:09,078 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-01-30 14:22:09,084 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-30 14:22:09,084 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-30 14:22:09,117 INFO L503 ceAbstractionStarter]: Automizer considered 20 witness invariants [2024-01-30 14:22:09,117 INFO L504 ceAbstractionStarter]: WitnessConsidered=20 [2024-01-30 14:22:09,118 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.01 02:22:09 BasicIcfg [2024-01-30 14:22:09,118 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-30 14:22:09,119 INFO L158 Benchmark]: Toolchain (without parser) took 2316.12ms. Allocated memory was 138.4MB in the beginning and 203.4MB in the end (delta: 65.0MB). Free memory was 74.4MB in the beginning and 169.8MB in the end (delta: -95.4MB). Peak memory consumption was 72.0MB. Max. memory is 16.1GB. [2024-01-30 14:22:09,119 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 138.4MB. Free memory is still 102.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-30 14:22:09,120 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 138.4MB. Free memory is still 98.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-30 14:22:09,120 INFO L158 Benchmark]: CACSL2BoogieTranslator took 761.76ms. Allocated memory is still 138.4MB. Free memory was 74.4MB in the beginning and 39.7MB in the end (delta: 34.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-01-30 14:22:09,120 INFO L158 Benchmark]: Boogie Procedure Inliner took 110.06ms. Allocated memory is still 138.4MB. Free memory was 39.7MB in the beginning and 106.1MB in the end (delta: -66.4MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. [2024-01-30 14:22:09,121 INFO L158 Benchmark]: Boogie Preprocessor took 105.69ms. Allocated memory was 138.4MB in the beginning and 203.4MB in the end (delta: 65.0MB). Free memory was 106.1MB in the beginning and 171.2MB in the end (delta: -65.1MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2024-01-30 14:22:09,121 INFO L158 Benchmark]: RCFGBuilder took 683.28ms. Allocated memory is still 203.4MB. Free memory was 171.2MB in the beginning and 127.2MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-01-30 14:22:09,122 INFO L158 Benchmark]: TraceAbstraction took 650.27ms. Allocated memory is still 203.4MB. Free memory was 126.1MB in the beginning and 169.8MB in the end (delta: -43.7MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2024-01-30 14:22:09,124 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 0.17ms. Allocated memory is still 138.4MB. Free memory is still 102.7MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.18ms. Allocated memory is still 138.4MB. Free memory is still 98.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 761.76ms. Allocated memory is still 138.4MB. Free memory was 74.4MB in the beginning and 39.7MB in the end (delta: 34.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 110.06ms. Allocated memory is still 138.4MB. Free memory was 39.7MB in the beginning and 106.1MB in the end (delta: -66.4MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 105.69ms. Allocated memory was 138.4MB in the beginning and 203.4MB in the end (delta: 65.0MB). Free memory was 106.1MB in the beginning and 171.2MB in the end (delta: -65.1MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. * RCFGBuilder took 683.28ms. Allocated memory is still 203.4MB. Free memory was 171.2MB in the beginning and 127.2MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * TraceAbstraction took 650.27ms. Allocated memory is still 203.4MB. Free memory was 126.1MB in the beginning and 169.8MB in the end (delta: -43.7MB). Peak memory consumption was 56.6MB. 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[9999]]]],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=-1, 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: 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: 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: 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: 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: 940]: 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. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 111 locations, 28 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: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 60 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 32 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 45 IncrementalHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 0 mSDtfsCounter, 45 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=193occurred 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! [2024-01-30 14:22:09,164 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