./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_10-ptrmunge_racefree.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/28-race_reach_10-ptrmunge_racefree.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 958ec4d9 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_10-ptrmunge_racefree.i ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/28-race_reach_10-ptrmunge_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-958ec4d-m [2024-02-07 14:26:51,576 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 14:26:51,688 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 14:26:51,695 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 14:26:51,708 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 14:26:51,749 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 14:26:51,749 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 14:26:51,750 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 14:26:51,750 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 14:26:51,753 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 14:26:51,753 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 14:26:51,753 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 14:26:51,754 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 14:26:51,755 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 14:26:51,755 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 14:26:51,755 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 14:26:51,756 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 14:26:51,756 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 14:26:51,756 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 14:26:51,756 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 14:26:51,757 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 14:26:51,757 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 14:26:51,757 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 14:26:51,757 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 14:26:51,758 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 14:26:51,758 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 14:26:51,758 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 14:26:51,758 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 14:26:51,758 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 14:26:51,758 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 14:26:51,759 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 14:26:51,759 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 14:26:51,759 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:26:51,760 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 14:26:51,760 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 14:26:51,760 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 14:26:51,760 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 14:26:51,760 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 14:26:51,760 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 14:26:51,760 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 14:26:51,760 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 14:26:51,761 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 14:26:51,761 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 14:26:51,761 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 14:26:52,152 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 14:26:52,185 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 14:26:52,187 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 14:26:52,188 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 14:26:52,188 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 14:26:52,189 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/28-race_reach_10-ptrmunge_racefree.yml/witness.yml [2024-02-07 14:26:52,285 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 14:26:52,286 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 14:26:52,286 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_10-ptrmunge_racefree.i [2024-02-07 14:26:53,364 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 14:26:53,594 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 14:26:53,595 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_10-ptrmunge_racefree.i [2024-02-07 14:26:53,607 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c15ea2d4/c7a33ab1318e41c592da674e5bb72033/FLAG6359b8530 [2024-02-07 14:26:53,622 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c15ea2d4/c7a33ab1318e41c592da674e5bb72033 [2024-02-07 14:26:53,622 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 14:26:53,623 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 14:26:53,626 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 14:26:53,626 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 14:26:53,630 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 14:26:53,631 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:26:52" (1/2) ... [2024-02-07 14:26:53,631 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66ffe85c and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:26:53, skipping insertion in model container [2024-02-07 14:26:53,632 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:26:52" (1/2) ... [2024-02-07 14:26:53,633 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@d302209 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:26:53, skipping insertion in model container [2024-02-07 14:26:53,633 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:26:53" (2/2) ... [2024-02-07 14:26:53,633 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66ffe85c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:26:53, skipping insertion in model container [2024-02-07 14:26:53,634 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:26:53" (2/2) ... [2024-02-07 14:26:53,634 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 14:26:53,684 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 14:26:53,685 INFO L76 edCorrectnessWitness]: Location invariant before [L715-L715] (((((((((((((((((((((((((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) || i == 3) || i == 2) || i == 1) || (0 == i && i == 0) [2024-02-07 14:26:53,685 INFO L76 edCorrectnessWitness]: Location invariant before [L703-L703] (m == & mutex1 && v == & global1) || (m == & mutex2 && v == & global2) [2024-02-07 14:26:53,685 INFO L76 edCorrectnessWitness]: Location invariant before [L703-L703] (m == & mutex1 && v == & global1) || (m == & mutex2 && v == & global2) [2024-02-07 14:26:53,686 INFO L76 edCorrectnessWitness]: Location invariant after [L716-L716] (((((((((((((((((((((((((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) || i == 3) || i == 2) || i == 1) || (0 == i && i == 0) [2024-02-07 14:26:53,686 INFO L76 edCorrectnessWitness]: Location invariant after [L716-L716] ((((((((((((((((((((((((i == 9 || i == 8) || i == 7) || i == 6) || i == 5) || i == 4) || i == 3) || i == 2) || i == 1) || (0 == i && i == 0)) || (25 <= i && i <= 9999)) || i == 24) || i == 23) || i == 22) || i == 21) || i == 20) || i == 19) || i == 18) || i == 17) || i == 16) || i == 15) || i == 14) || i == 13) || i == 12) || i == 11) || i == 10 [2024-02-07 14:26:53,686 INFO L76 edCorrectnessWitness]: Location invariant after [L703-L703] (m == & mutex1 && v == & global1) || (m == & mutex2 && v == & global2) [2024-02-07 14:26:53,686 INFO L76 edCorrectnessWitness]: Location invariant before [L703-L703] (((global1 == 0) && (global2 == 0)) && (*v == 0)) && ((m == & mutex1 && v == & global1) || (m == & mutex2 && v == & global2)) [2024-02-07 14:26:53,686 INFO L76 edCorrectnessWitness]: Location invariant after [L715-L715] (((((((((((((((((((((((((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) || i == 3) || i == 2) || i == 1) || (0 == i && i == 0) [2024-02-07 14:26:53,686 INFO L76 edCorrectnessWitness]: Location invariant after [L715-L715] (((((((((((((((((((((((((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) || i == 3) || i == 2) || i == 1) || (0 == i && i == 0) [2024-02-07 14:26:53,686 INFO L76 edCorrectnessWitness]: Location invariant after [L703-L703] ((global1 == 0) && (global2 == 0)) && ((m == & mutex1 && v == & global1) || (m == & mutex2 && v == & global2)) [2024-02-07 14:26:53,687 INFO L76 edCorrectnessWitness]: Location invariant before [L703-L703] (*v == 1) && ((((global1 == 1 && global2 == 0) && m == & mutex1) && v == & global1) || (((global1 == 0 && global2 == 1) && m == & mutex2) && v == & global2)) [2024-02-07 14:26:53,687 INFO L76 edCorrectnessWitness]: Location invariant before [L716-L716] ((((((((((((((((((((((((i == 9 || i == 8) || i == 7) || i == 6) || i == 5) || i == 4) || i == 3) || i == 2) || i == 1) || (0 == i && i == 0)) || (25 <= i && i <= 9999)) || i == 24) || i == 23) || i == 22) || i == 21) || i == 20) || i == 19) || i == 18) || i == 17) || i == 16) || i == 15) || i == 14) || i == 13) || i == 12) || i == 11) || i == 10 [2024-02-07 14:26:53,687 INFO L76 edCorrectnessWitness]: Location invariant before [L703-L703] ((global1 == 0) && (global2 == 0)) && ((m == & mutex1 && v == & global1) || (m == & mutex2 && v == & global2)) [2024-02-07 14:26:53,687 INFO L76 edCorrectnessWitness]: Location invariant before [L704-L704] (m == & mutex1 && v == & global1) || (m == & mutex2 && v == & global2) [2024-02-07 14:26:53,687 INFO L76 edCorrectnessWitness]: Location invariant before [L716-L716] (((((((((((((((((((((((((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) || i == 3) || i == 2) || i == 1) || (0 == i && i == 0) [2024-02-07 14:26:53,703 INFO L76 edCorrectnessWitness]: Location invariant before [L703-L703] (m == & mutex1 && v == & global1) || (m == & mutex2 && v == & global2) [2024-02-07 14:26:53,708 INFO L76 edCorrectnessWitness]: Location invariant before [L703-L703] (m == & mutex1 && v == & global1) || (m == & mutex2 && v == & global2) [2024-02-07 14:26:53,720 INFO L76 edCorrectnessWitness]: Location invariant before [L703-L703] (((global1 == 1 && global2 == 0) && m == & mutex1) && v == & global1) || (((global1 == 0 && global2 == 1) && m == & mutex2) && v == & global2) [2024-02-07 14:26:53,720 INFO L76 edCorrectnessWitness]: Location invariant before [L703-L703] (m == & mutex1 && v == & global1) || (m == & mutex2 && v == & global2) [2024-02-07 14:26:53,721 INFO L76 edCorrectnessWitness]: Location invariant after [L703-L703] (*v == 1) && ((((global1 == 1 && global2 == 0) && m == & mutex1) && v == & global1) || (((global1 == 0 && global2 == 1) && m == & mutex2) && v == & global2)) [2024-02-07 14:26:53,721 INFO L76 edCorrectnessWitness]: Location invariant before [L703-L703] (((global1 == 0) && (global2 == 0)) && (*v == 0)) && ((m == & mutex1 && v == & global1) || (m == & mutex2 && v == & global2)) [2024-02-07 14:26:53,721 INFO L76 edCorrectnessWitness]: Location invariant after [L703-L703] (((global1 == 1 && global2 == 0) && m == & mutex1) && v == & global1) || (((global1 == 0 && global2 == 1) && m == & mutex2) && v == & global2) [2024-02-07 14:26:53,721 INFO L76 edCorrectnessWitness]: Location invariant before [L715-L715] (((((((((((((((((((((((((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) || i == 3) || i == 2) || i == 1) || (0 == i && i == 0) [2024-02-07 14:26:53,722 INFO L76 edCorrectnessWitness]: Location invariant after [L703-L703] (((global1 == 0) && (global2 == 0)) && (*v == 0)) && ((m == & mutex1 && v == & global1) || (m == & mutex2 && v == & global2)) [2024-02-07 14:26:53,722 INFO L76 edCorrectnessWitness]: Location invariant after [L703-L703] (((global1 == 0) && (global2 == 0)) && (*v == 0)) && ((m == & mutex1 && v == & global1) || (m == & mutex2 && v == & global2)) [2024-02-07 14:26:53,763 INFO L178 MainTranslator]: Built tables and reachable declarations [2024-02-07 14:26:54,037 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_10-ptrmunge_racefree.i[30176,30189] [2024-02-07 14:26:54,058 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:26:54,074 INFO L203 MainTranslator]: Completed pre-run [2024-02-07 14:26:54,118 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_10-ptrmunge_racefree.i[30176,30189] 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 [2024-02-07 14:26:54,238 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:26:54,272 INFO L207 MainTranslator]: Completed translation [2024-02-07 14:26:54,272 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:26:54 WrapperNode [2024-02-07 14:26:54,272 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 14:26:54,274 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-07 14:26:54,274 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-07 14:26:54,275 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-07 14:26:54,281 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:26:54" (1/1) ... [2024-02-07 14:26:54,311 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:26:54" (1/1) ... [2024-02-07 14:26:54,358 INFO L138 Inliner]: procedures = 173, calls = 73, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 369 [2024-02-07 14:26:54,359 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-07 14:26:54,360 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-07 14:26:54,360 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-07 14:26:54,360 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-07 14:26:54,368 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:26:54" (1/1) ... [2024-02-07 14:26:54,369 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:26:54" (1/1) ... [2024-02-07 14:26:54,385 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:26:54" (1/1) ... [2024-02-07 14:26:54,408 INFO L175 MemorySlicer]: Split 67 memory accesses to 6 slices as follows [2, 46, 2, 5, 10, 2]. 69 percent of accesses are in the largest equivalence class. The 19 initializations are split as follows [2, 2, 0, 5, 10, 0]. The 6 writes are split as follows [0, 4, 1, 0, 0, 1]. [2024-02-07 14:26:54,408 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:26:54" (1/1) ... [2024-02-07 14:26:54,408 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:26:54" (1/1) ... [2024-02-07 14:26:54,422 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:26:54" (1/1) ... [2024-02-07 14:26:54,434 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:26:54" (1/1) ... [2024-02-07 14:26:54,436 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:26:54" (1/1) ... [2024-02-07 14:26:54,442 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:26:54" (1/1) ... [2024-02-07 14:26:54,445 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-07 14:26:54,450 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-07 14:26:54,451 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-07 14:26:54,451 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-07 14:26:54,452 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:26:54" (1/1) ... [2024-02-07 14:26:54,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:26:54,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-07 14:26:54,557 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) [2024-02-07 14:26:54,644 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 [2024-02-07 14:26:54,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-02-07 14:26:54,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-02-07 14:26:54,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-02-07 14:26:54,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-02-07 14:26:54,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-02-07 14:26:54,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-02-07 14:26:54,669 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2024-02-07 14:26:54,669 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2024-02-07 14:26:54,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-07 14:26:54,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-07 14:26:54,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-07 14:26:54,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-07 14:26:54,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-02-07 14:26:54,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-02-07 14:26:54,671 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-02-07 14:26:54,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-07 14:26:54,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-07 14:26:54,671 INFO L130 BoogieDeclarations]: Found specification of procedure t1_fun [2024-02-07 14:26:54,671 INFO L138 BoogieDeclarations]: Found implementation of procedure t1_fun [2024-02-07 14:26:54,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-07 14:26:54,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-07 14:26:54,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-07 14:26:54,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-07 14:26:54,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-07 14:26:54,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-02-07 14:26:54,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-02-07 14:26:54,672 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-02-07 14:26:54,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-07 14:26:54,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-07 14:26:54,674 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-07 14:26:54,792 INFO L244 CfgBuilder]: Building ICFG [2024-02-07 14:26:54,794 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-07 14:26:55,282 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-07 14:26:55,282 INFO L293 CfgBuilder]: Performing block encoding [2024-02-07 14:26:55,512 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-07 14:26:55,513 INFO L320 CfgBuilder]: Removed 24 assume(true) statements. [2024-02-07 14:26:55,513 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:26:55 BoogieIcfgContainer [2024-02-07 14:26:55,513 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-07 14:26:55,515 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-07 14:26:55,515 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-07 14:26:55,518 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-07 14:26:55,518 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:26:52" (1/4) ... [2024-02-07 14:26:55,519 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d7f0b5a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 02:26:55, skipping insertion in model container [2024-02-07 14:26:55,519 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 02:26:53" (2/4) ... [2024-02-07 14:26:55,520 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d7f0b5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 02:26:55, skipping insertion in model container [2024-02-07 14:26:55,520 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:26:54" (3/4) ... [2024-02-07 14:26:55,520 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d7f0b5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 02:26:55, skipping insertion in model container [2024-02-07 14:26:55,520 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:26:55" (4/4) ... [2024-02-07 14:26:55,521 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_10-ptrmunge_racefree.i [2024-02-07 14:26:55,538 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-07 14:26:55,538 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2024-02-07 14:26:55,538 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-07 14:26:55,631 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-02-07 14:26:55,676 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 130 places, 153 transitions, 326 flow [2024-02-07 14:26:55,729 INFO L124 PetriNetUnfolderBase]: 44/256 cut-off events. [2024-02-07 14:26:55,730 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-02-07 14:26:55,734 INFO L83 FinitePrefix]: Finished finitePrefix Result has 273 conditions, 256 events. 44/256 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1403 event pairs, 0 based on Foata normal form. 0/161 useless extension candidates. Maximal degree in co-relation 158. Up to 8 conditions per place. [2024-02-07 14:26:55,735 INFO L82 GeneralOperation]: Start removeDead. Operand has 130 places, 153 transitions, 326 flow [2024-02-07 14:26:55,739 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 130 places, 153 transitions, 326 flow [2024-02-07 14:26:55,745 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 14:26:55,750 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;@2d0dda0e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 14:26:55,750 INFO L358 AbstractCegarLoop]: Starting to check reachability of 54 error locations. [2024-02-07 14:26:55,753 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 14:26:55,753 INFO L124 PetriNetUnfolderBase]: 0/11 cut-off events. [2024-02-07 14:26:55,753 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:26:55,754 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:26:55,754 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-02-07 14:26:55,754 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [t2_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT, t2_funErr11ASSERT_VIOLATIONWITNESS_INVARIANT, t2_funErr7ASSERT_VIOLATIONWITNESS_INVARIANT (and 51 more)] === [2024-02-07 14:26:55,758 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:26:55,758 INFO L85 PathProgramCache]: Analyzing trace with hash 831636999, now seen corresponding path program 1 times [2024-02-07 14:26:55,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:26:55,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069906680] [2024-02-07 14:26:55,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:26:55,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:26:55,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 14:26:55,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-07 14:26:55,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 14:26:55,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069906680] [2024-02-07 14:26:55,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069906680] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 14:26:55,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 14:26:55,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-02-07 14:26:55,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408340158] [2024-02-07 14:26:55,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 14:26:55,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-02-07 14:26:55,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 14:26:56,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-02-07 14:26:56,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-02-07 14:26:56,018 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 153 [2024-02-07 14:26:56,021 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 153 transitions, 326 flow. Second operand has 4 states, 4 states have (on average 62.25) internal successors, (249), 4 states have internal predecessors, (249), 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) [2024-02-07 14:26:56,021 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 14:26:56,021 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 153 [2024-02-07 14:26:56,022 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 14:26:56,190 INFO L124 PetriNetUnfolderBase]: 73/276 cut-off events. [2024-02-07 14:26:56,190 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:26:56,192 INFO L83 FinitePrefix]: Finished finitePrefix Result has 449 conditions, 276 events. 73/276 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1180 event pairs, 42 based on Foata normal form. 40/292 useless extension candidates. Maximal degree in co-relation 445. Up to 141 conditions per place. [2024-02-07 14:26:56,195 INFO L140 encePairwiseOnDemand]: 138/153 looper letters, 50 selfloop transitions, 2 changer transitions 0/81 dead transitions. [2024-02-07 14:26:56,195 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 81 transitions, 270 flow [2024-02-07 14:26:56,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-02-07 14:26:56,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-02-07 14:26:56,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 321 transitions. [2024-02-07 14:26:56,210 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5245098039215687 [2024-02-07 14:26:56,212 INFO L175 Difference]: Start difference. First operand has 130 places, 153 transitions, 326 flow. Second operand 4 states and 321 transitions. [2024-02-07 14:26:56,212 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 81 transitions, 270 flow [2024-02-07 14:26:56,215 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 81 transitions, 270 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-02-07 14:26:56,217 INFO L231 Difference]: Finished difference. Result has 63 places, 57 transitions, 122 flow [2024-02-07 14:26:56,219 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=118, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=122, PETRI_PLACES=63, PETRI_TRANSITIONS=57} [2024-02-07 14:26:56,221 INFO L281 CegarLoopForPetriNet]: 130 programPoint places, -67 predicate places. [2024-02-07 14:26:56,221 INFO L495 AbstractCegarLoop]: Abstraction has has 63 places, 57 transitions, 122 flow [2024-02-07 14:26:56,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 62.25) internal successors, (249), 4 states have internal predecessors, (249), 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) [2024-02-07 14:26:56,222 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:26:56,222 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1] [2024-02-07 14:26:56,222 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-07 14:26:56,222 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT, t2_funErr11ASSERT_VIOLATIONWITNESS_INVARIANT, t2_funErr7ASSERT_VIOLATIONWITNESS_INVARIANT (and 51 more)] === [2024-02-07 14:26:56,222 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:26:56,223 INFO L85 PathProgramCache]: Analyzing trace with hash 339269232, now seen corresponding path program 1 times [2024-02-07 14:26:56,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:26:56,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563923119] [2024-02-07 14:26:56,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:26:56,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:26:56,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 14:26:56,259 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-07 14:26:56,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 14:26:56,309 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-07 14:26:56,309 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-02-07 14:26:56,310 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (53 of 54 remaining) [2024-02-07 14:26:56,312 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 54 remaining) [2024-02-07 14:26:56,312 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr11ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 54 remaining) [2024-02-07 14:26:56,312 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr7ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 54 remaining) [2024-02-07 14:26:56,312 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 54 remaining) [2024-02-07 14:26:56,312 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr4ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 54 remaining) [2024-02-07 14:26:56,312 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr8ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 54 remaining) [2024-02-07 14:26:56,313 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 54 remaining) [2024-02-07 14:26:56,313 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr9ASSERT_VIOLATIONERROR_FUNCTION (45 of 54 remaining) [2024-02-07 14:26:56,313 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr5ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 54 remaining) [2024-02-07 14:26:56,313 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr3ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 54 remaining) [2024-02-07 14:26:56,313 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr10ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 54 remaining) [2024-02-07 14:26:56,313 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr6ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 54 remaining) [2024-02-07 14:26:56,313 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 54 remaining) [2024-02-07 14:26:56,313 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 54 remaining) [2024-02-07 14:26:56,314 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 54 remaining) [2024-02-07 14:26:56,314 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 54 remaining) [2024-02-07 14:26:56,314 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (36 of 54 remaining) [2024-02-07 14:26:56,314 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 54 remaining) [2024-02-07 14:26:56,314 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr11ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 54 remaining) [2024-02-07 14:26:56,314 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr7ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 54 remaining) [2024-02-07 14:26:56,314 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 54 remaining) [2024-02-07 14:26:56,314 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr4ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 54 remaining) [2024-02-07 14:26:56,314 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr8ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 54 remaining) [2024-02-07 14:26:56,315 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 54 remaining) [2024-02-07 14:26:56,315 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr9ASSERT_VIOLATIONERROR_FUNCTION (28 of 54 remaining) [2024-02-07 14:26:56,315 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr5ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 54 remaining) [2024-02-07 14:26:56,315 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr3ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 54 remaining) [2024-02-07 14:26:56,315 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr10ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 54 remaining) [2024-02-07 14:26:56,315 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr6ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 54 remaining) [2024-02-07 14:26:56,315 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 54 remaining) [2024-02-07 14:26:56,315 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr11ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 54 remaining) [2024-02-07 14:26:56,315 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr7ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 54 remaining) [2024-02-07 14:26:56,316 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 54 remaining) [2024-02-07 14:26:56,316 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr4ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 54 remaining) [2024-02-07 14:26:56,316 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr8ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 54 remaining) [2024-02-07 14:26:56,316 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 54 remaining) [2024-02-07 14:26:56,316 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr9ASSERT_VIOLATIONERROR_FUNCTION (16 of 54 remaining) [2024-02-07 14:26:56,316 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr5ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 54 remaining) [2024-02-07 14:26:56,316 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr3ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 54 remaining) [2024-02-07 14:26:56,316 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr10ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 54 remaining) [2024-02-07 14:26:56,316 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr6ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 54 remaining) [2024-02-07 14:26:56,317 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 54 remaining) [2024-02-07 14:26:56,317 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr11ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 54 remaining) [2024-02-07 14:26:56,317 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr7ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 54 remaining) [2024-02-07 14:26:56,317 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 54 remaining) [2024-02-07 14:26:56,317 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr4ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 54 remaining) [2024-02-07 14:26:56,317 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr8ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 54 remaining) [2024-02-07 14:26:56,317 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 54 remaining) [2024-02-07 14:26:56,317 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr9ASSERT_VIOLATIONERROR_FUNCTION (4 of 54 remaining) [2024-02-07 14:26:56,317 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr5ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 54 remaining) [2024-02-07 14:26:56,318 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr3ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 54 remaining) [2024-02-07 14:26:56,318 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr10ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 54 remaining) [2024-02-07 14:26:56,318 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr6ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 54 remaining) [2024-02-07 14:26:56,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-02-07 14:26:56,318 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-02-07 14:26:56,320 WARN L234 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-02-07 14:26:56,320 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-02-07 14:26:56,456 INFO L144 ThreadInstanceAdder]: Constructed 8 joinOtherThreadTransitions. [2024-02-07 14:26:56,464 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 236 places, 283 transitions, 610 flow [2024-02-07 14:26:56,565 INFO L124 PetriNetUnfolderBase]: 153/775 cut-off events. [2024-02-07 14:26:56,565 INFO L125 PetriNetUnfolderBase]: For 72/80 co-relation queries the response was YES. [2024-02-07 14:26:56,577 INFO L83 FinitePrefix]: Finished finitePrefix Result has 864 conditions, 775 events. 153/775 cut-off events. For 72/80 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 5631 event pairs, 2 based on Foata normal form. 0/501 useless extension candidates. Maximal degree in co-relation 487. Up to 32 conditions per place. [2024-02-07 14:26:56,577 INFO L82 GeneralOperation]: Start removeDead. Operand has 236 places, 283 transitions, 610 flow [2024-02-07 14:26:56,591 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 236 places, 283 transitions, 610 flow [2024-02-07 14:26:56,592 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 14:26:56,592 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;@2d0dda0e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 14:26:56,592 INFO L358 AbstractCegarLoop]: Starting to check reachability of 78 error locations. [2024-02-07 14:26:56,594 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 14:26:56,595 INFO L124 PetriNetUnfolderBase]: 0/11 cut-off events. [2024-02-07 14:26:56,595 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:26:56,595 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:26:56,595 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-02-07 14:26:56,595 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [t2_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT, t2_funErr11ASSERT_VIOLATIONWITNESS_INVARIANT, t2_funErr7ASSERT_VIOLATIONWITNESS_INVARIANT (and 75 more)] === [2024-02-07 14:26:56,595 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:26:56,596 INFO L85 PathProgramCache]: Analyzing trace with hash 1099915868, now seen corresponding path program 1 times [2024-02-07 14:26:56,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:26:56,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442408718] [2024-02-07 14:26:56,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:26:56,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:26:56,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 14:26:56,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-07 14:26:56,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 14:26:56,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442408718] [2024-02-07 14:26:56,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442408718] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 14:26:56,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 14:26:56,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-02-07 14:26:56,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042270675] [2024-02-07 14:26:56,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 14:26:56,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-02-07 14:26:56,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 14:26:56,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-02-07 14:26:56,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-02-07 14:26:56,672 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 283 [2024-02-07 14:26:56,673 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 236 places, 283 transitions, 610 flow. Second operand has 4 states, 4 states have (on average 118.25) internal successors, (473), 4 states have internal predecessors, (473), 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) [2024-02-07 14:26:56,673 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 14:26:56,673 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 283 [2024-02-07 14:26:56,673 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand