./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 e7c74aec 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-wip.fs.fix-undeclared-acsl-variable-e7c74ae-m [2024-02-07 19:06:36,340 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 19:06:36,427 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 19:06:36,438 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 19:06:36,439 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 19:06:36,479 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 19:06:36,479 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 19:06:36,480 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 19:06:36,480 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 19:06:36,480 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 19:06:36,481 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 19:06:36,481 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 19:06:36,482 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 19:06:36,482 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 19:06:36,482 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 19:06:36,482 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 19:06:36,483 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 19:06:36,483 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 19:06:36,483 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 19:06:36,483 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 19:06:36,484 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 19:06:36,486 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 19:06:36,487 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 19:06:36,487 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 19:06:36,487 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 19:06:36,488 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 19:06:36,488 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 19:06:36,488 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 19:06:36,488 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 19:06:36,489 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 19:06:36,489 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 19:06:36,489 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 19:06:36,489 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 19:06:36,490 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 19:06:36,490 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 19:06:36,490 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 19:06:36,490 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 19:06:36,490 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 19:06:36,491 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 19:06:36,491 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 19:06:36,491 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 19:06:36,491 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 19:06:36,492 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 19:06:36,492 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 19:06:36,724 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 19:06:36,753 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 19:06:36,756 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 19:06:36,758 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 19:06:36,758 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 19:06:36,760 INFO L431 ainManager$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 19:06:36,907 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 19:06:36,908 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 19:06:36,910 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_10-ptrmunge_racefree.i [2024-02-07 19:06:38,226 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 19:06:38,478 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 19:06:38,479 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_10-ptrmunge_racefree.i [2024-02-07 19:06:38,494 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbaba499a/5c4d5aef43584163b2b33a997d74b6c5/FLAGcd9005895 [2024-02-07 19:06:38,513 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbaba499a/5c4d5aef43584163b2b33a997d74b6c5 [2024-02-07 19:06:38,514 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 19:06:38,515 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 19:06:38,517 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 19:06:38,517 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 19:06:38,521 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 19:06:38,522 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:06:36" (1/2) ... [2024-02-07 19:06:38,523 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22e5d0ce and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:06:38, skipping insertion in model container [2024-02-07 19:06:38,523 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:06:36" (1/2) ... [2024-02-07 19:06:38,525 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6d11a5ea and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:06:38, skipping insertion in model container [2024-02-07 19:06:38,525 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:06:38" (2/2) ... [2024-02-07 19:06:38,525 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22e5d0ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:06:38, skipping insertion in model container [2024-02-07 19:06:38,525 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:06:38" (2/2) ... [2024-02-07 19:06:38,525 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 19:06:38,575 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 19:06:38,576 INFO L76 edCorrectnessWitness]: Location invariant before [L703-L703] ((global1 == 0) && (global2 == 0)) && ((m == & mutex1 && v == & global1) || (m == & mutex2 && v == & global2)) [2024-02-07 19:06:38,576 INFO L76 edCorrectnessWitness]: Location invariant before [L703-L703] (m == & mutex1 && v == & global1) || (m == & mutex2 && v == & global2) [2024-02-07 19:06:38,577 INFO L76 edCorrectnessWitness]: Location invariant before [L703-L703] (m == & mutex1 && v == & global1) || (m == & mutex2 && v == & global2) [2024-02-07 19:06:38,577 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 19:06:38,577 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 19:06:38,577 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 19:06:38,577 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 19:06:38,577 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 19:06:38,577 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 19:06:38,578 INFO L76 edCorrectnessWitness]: Location invariant before [L703-L703] (m == & mutex1 && v == & global1) || (m == & mutex2 && v == & global2) [2024-02-07 19:06:38,578 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 19:06:38,578 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 19:06:38,578 INFO L76 edCorrectnessWitness]: Location invariant before [L703-L703] (m == & mutex1 && v == & global1) || (m == & mutex2 && v == & global2) [2024-02-07 19:06:38,578 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 19:06:38,578 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 19:06:38,578 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 19:06:38,578 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 19:06:38,579 INFO L76 edCorrectnessWitness]: Location invariant after [L703-L703] ((global1 == 0) && (global2 == 0)) && ((m == & mutex1 && v == & global1) || (m == & mutex2 && v == & global2)) [2024-02-07 19:06:38,579 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 19:06:38,579 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 19:06:38,579 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 19:06:38,580 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 19:06:38,580 INFO L76 edCorrectnessWitness]: Location invariant after [L703-L703] (m == & mutex1 && v == & global1) || (m == & mutex2 && v == & global2) [2024-02-07 19:06:38,580 INFO L76 edCorrectnessWitness]: Location invariant before [L703-L703] (m == & mutex1 && v == & global1) || (m == & mutex2 && v == & global2) [2024-02-07 19:06:38,580 INFO L76 edCorrectnessWitness]: Location invariant before [L704-L704] (m == & mutex1 && v == & global1) || (m == & mutex2 && v == & global2) [2024-02-07 19:06:38,619 INFO L181 MainTranslator]: Built tables and reachable declarations [2024-02-07 19:06:38,910 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 19:06:38,935 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-07 19:06:38,961 INFO L206 MainTranslator]: Completed pre-run [2024-02-07 19:06:39,042 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 19:06:39,139 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-07 19:06:39,174 INFO L211 MainTranslator]: Completed translation [2024-02-07 19:06:39,174 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:06:39 WrapperNode [2024-02-07 19:06:39,174 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 19:06:39,181 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-07 19:06:39,181 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-07 19:06:39,182 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-07 19:06:39,187 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:06:39" (1/1) ... [2024-02-07 19:06:39,200 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:06:39" (1/1) ... [2024-02-07 19:06:39,247 INFO L138 Inliner]: procedures = 173, calls = 73, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 369 [2024-02-07 19:06:39,249 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-07 19:06:39,249 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-07 19:06:39,250 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-07 19:06:39,250 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-07 19:06:39,261 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:06:39" (1/1) ... [2024-02-07 19:06:39,262 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:06:39" (1/1) ... [2024-02-07 19:06:39,277 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:06:39" (1/1) ... [2024-02-07 19:06:39,316 INFO L175 MemorySlicer]: Split 67 memory accesses to 6 slices as follows [2, 5, 2, 2, 10, 46]. 69 percent of accesses are in the largest equivalence class. The 19 initializations are split as follows [2, 5, 0, 0, 10, 2]. The 6 writes are split as follows [0, 0, 1, 1, 0, 4]. [2024-02-07 19:06:39,316 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:06:39" (1/1) ... [2024-02-07 19:06:39,316 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:06:39" (1/1) ... [2024-02-07 19:06:39,331 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:06:39" (1/1) ... [2024-02-07 19:06:39,334 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:06:39" (1/1) ... [2024-02-07 19:06:39,336 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:06:39" (1/1) ... [2024-02-07 19:06:39,338 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:06:39" (1/1) ... [2024-02-07 19:06:39,353 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-07 19:06:39,354 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-07 19:06:39,354 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-07 19:06:39,354 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-07 19:06:39,355 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:06:39" (1/1) ... [2024-02-07 19:06:39,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 19:06:39,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-07 19:06:39,397 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 19:06:39,420 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 19:06:39,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-02-07 19:06:39,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-02-07 19:06:39,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-02-07 19:06:39,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-02-07 19:06:39,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-02-07 19:06:39,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-02-07 19:06:39,447 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2024-02-07 19:06:39,447 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2024-02-07 19:06:39,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-07 19:06:39,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-07 19:06:39,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-07 19:06:39,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-07 19:06:39,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-02-07 19:06:39,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-02-07 19:06:39,448 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-02-07 19:06:39,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-07 19:06:39,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-07 19:06:39,448 INFO L130 BoogieDeclarations]: Found specification of procedure t1_fun [2024-02-07 19:06:39,449 INFO L138 BoogieDeclarations]: Found implementation of procedure t1_fun [2024-02-07 19:06:39,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-07 19:06:39,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-07 19:06:39,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-07 19:06:39,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-07 19:06:39,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-07 19:06:39,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-02-07 19:06:39,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-02-07 19:06:39,449 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-02-07 19:06:39,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-07 19:06:39,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-07 19:06:39,451 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 19:06:39,623 INFO L244 CfgBuilder]: Building ICFG [2024-02-07 19:06:39,626 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-07 19:06:40,224 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-07 19:06:40,225 INFO L293 CfgBuilder]: Performing block encoding [2024-02-07 19:06:40,537 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-07 19:06:40,538 INFO L320 CfgBuilder]: Removed 24 assume(true) statements. [2024-02-07 19:06:40,538 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 07:06:40 BoogieIcfgContainer [2024-02-07 19:06:40,538 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-07 19:06:40,541 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-07 19:06:40,541 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-07 19:06:40,545 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-07 19:06:40,545 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:06:36" (1/4) ... [2024-02-07 19:06:40,547 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7252f2ca and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 07:06:40, skipping insertion in model container [2024-02-07 19:06:40,547 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 07:06:38" (2/4) ... [2024-02-07 19:06:40,548 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7252f2ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 07:06:40, skipping insertion in model container [2024-02-07 19:06:40,548 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:06:39" (3/4) ... [2024-02-07 19:06:40,548 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7252f2ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 07:06:40, skipping insertion in model container [2024-02-07 19:06:40,548 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 07:06:40" (4/4) ... [2024-02-07 19:06:40,550 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_10-ptrmunge_racefree.i [2024-02-07 19:06:40,568 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-07 19:06:40,568 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2024-02-07 19:06:40,568 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-07 19:06:40,726 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-02-07 19:06:40,775 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 130 places, 153 transitions, 326 flow [2024-02-07 19:06:40,889 INFO L124 PetriNetUnfolderBase]: 44/256 cut-off events. [2024-02-07 19:06:40,890 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-02-07 19:06:40,899 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 19:06:40,900 INFO L82 GeneralOperation]: Start removeDead. Operand has 130 places, 153 transitions, 326 flow [2024-02-07 19:06:40,911 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 130 places, 153 transitions, 326 flow [2024-02-07 19:06:40,927 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 19:06:40,938 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;@1a651829, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 19:06:40,938 INFO L358 AbstractCegarLoop]: Starting to check reachability of 54 error locations. [2024-02-07 19:06:40,943 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 19:06:40,944 INFO L124 PetriNetUnfolderBase]: 0/11 cut-off events. [2024-02-07 19:06:40,944 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 19:06:40,944 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:06:40,945 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-02-07 19:06:40,945 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 19:06:40,951 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:06:40,951 INFO L85 PathProgramCache]: Analyzing trace with hash 831636999, now seen corresponding path program 1 times [2024-02-07 19:06:40,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:06:40,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010561701] [2024-02-07 19:06:40,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:06:40,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:06:41,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 19:06:41,288 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 19:06:41,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 19:06:41,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010561701] [2024-02-07 19:06:41,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010561701] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 19:06:41,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 19:06:41,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-02-07 19:06:41,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470970046] [2024-02-07 19:06:41,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 19:06:41,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-02-07 19:06:41,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 19:06:41,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-02-07 19:06:41,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-02-07 19:06:41,341 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 153 [2024-02-07 19:06:41,344 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 19:06:41,345 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 19:06:41,345 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 153 [2024-02-07 19:06:41,346 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 19:06:41,548 INFO L124 PetriNetUnfolderBase]: 73/276 cut-off events. [2024-02-07 19:06:41,548 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 19:06:41,549 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 19:06:41,551 INFO L140 encePairwiseOnDemand]: 138/153 looper letters, 50 selfloop transitions, 2 changer transitions 0/81 dead transitions. [2024-02-07 19:06:41,552 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 81 transitions, 270 flow [2024-02-07 19:06:41,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-02-07 19:06:41,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-02-07 19:06:41,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 321 transitions. [2024-02-07 19:06:41,575 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5245098039215687 [2024-02-07 19:06:41,577 INFO L175 Difference]: Start difference. First operand has 130 places, 153 transitions, 326 flow. Second operand 4 states and 321 transitions. [2024-02-07 19:06:41,579 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 81 transitions, 270 flow [2024-02-07 19:06:41,582 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 19:06:41,585 INFO L231 Difference]: Finished difference. Result has 63 places, 57 transitions, 122 flow [2024-02-07 19:06:41,587 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 19:06:41,590 INFO L281 CegarLoopForPetriNet]: 130 programPoint places, -67 predicate places. [2024-02-07 19:06:41,590 INFO L495 AbstractCegarLoop]: Abstraction has has 63 places, 57 transitions, 122 flow [2024-02-07 19:06:41,591 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 19:06:41,591 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:06:41,591 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1] [2024-02-07 19:06:41,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-07 19:06:41,591 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 19:06:41,592 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:06:41,592 INFO L85 PathProgramCache]: Analyzing trace with hash 339269232, now seen corresponding path program 1 times [2024-02-07 19:06:41,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:06:41,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202223752] [2024-02-07 19:06:41,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:06:41,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:06:41,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 19:06:41,632 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-07 19:06:41,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 19:06:41,659 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-07 19:06:41,659 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-02-07 19:06:41,661 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (53 of 54 remaining) [2024-02-07 19:06:41,662 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 54 remaining) [2024-02-07 19:06:41,663 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr11ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 54 remaining) [2024-02-07 19:06:41,663 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr7ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 54 remaining) [2024-02-07 19:06:41,663 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 54 remaining) [2024-02-07 19:06:41,663 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr4ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 54 remaining) [2024-02-07 19:06:41,663 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr8ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 54 remaining) [2024-02-07 19:06:41,663 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 54 remaining) [2024-02-07 19:06:41,664 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr9ASSERT_VIOLATIONERROR_FUNCTION (45 of 54 remaining) [2024-02-07 19:06:41,664 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr5ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 54 remaining) [2024-02-07 19:06:41,664 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr3ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 54 remaining) [2024-02-07 19:06:41,664 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr10ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 54 remaining) [2024-02-07 19:06:41,664 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr6ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 54 remaining) [2024-02-07 19:06:41,665 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 54 remaining) [2024-02-07 19:06:41,665 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 54 remaining) [2024-02-07 19:06:41,665 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 54 remaining) [2024-02-07 19:06:41,665 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 54 remaining) [2024-02-07 19:06:41,665 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (36 of 54 remaining) [2024-02-07 19:06:41,665 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 54 remaining) [2024-02-07 19:06:41,666 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr11ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 54 remaining) [2024-02-07 19:06:41,666 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr7ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 54 remaining) [2024-02-07 19:06:41,666 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 54 remaining) [2024-02-07 19:06:41,666 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr4ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 54 remaining) [2024-02-07 19:06:41,666 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr8ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 54 remaining) [2024-02-07 19:06:41,666 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 54 remaining) [2024-02-07 19:06:41,667 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr9ASSERT_VIOLATIONERROR_FUNCTION (28 of 54 remaining) [2024-02-07 19:06:41,667 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr5ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 54 remaining) [2024-02-07 19:06:41,667 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr3ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 54 remaining) [2024-02-07 19:06:41,667 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr10ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 54 remaining) [2024-02-07 19:06:41,667 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr6ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 54 remaining) [2024-02-07 19:06:41,668 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 54 remaining) [2024-02-07 19:06:41,668 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr11ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 54 remaining) [2024-02-07 19:06:41,668 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr7ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 54 remaining) [2024-02-07 19:06:41,668 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 54 remaining) [2024-02-07 19:06:41,668 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr4ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 54 remaining) [2024-02-07 19:06:41,668 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr8ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 54 remaining) [2024-02-07 19:06:41,669 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 54 remaining) [2024-02-07 19:06:41,669 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr9ASSERT_VIOLATIONERROR_FUNCTION (16 of 54 remaining) [2024-02-07 19:06:41,669 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr5ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 54 remaining) [2024-02-07 19:06:41,669 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr3ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 54 remaining) [2024-02-07 19:06:41,669 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr10ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 54 remaining) [2024-02-07 19:06:41,669 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr6ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 54 remaining) [2024-02-07 19:06:41,670 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 54 remaining) [2024-02-07 19:06:41,670 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr11ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 54 remaining) [2024-02-07 19:06:41,670 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr7ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 54 remaining) [2024-02-07 19:06:41,670 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 54 remaining) [2024-02-07 19:06:41,670 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr4ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 54 remaining) [2024-02-07 19:06:41,670 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr8ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 54 remaining) [2024-02-07 19:06:41,671 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 54 remaining) [2024-02-07 19:06:41,671 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr9ASSERT_VIOLATIONERROR_FUNCTION (4 of 54 remaining) [2024-02-07 19:06:41,671 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr5ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 54 remaining) [2024-02-07 19:06:41,671 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr3ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 54 remaining) [2024-02-07 19:06:41,671 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr10ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 54 remaining) [2024-02-07 19:06:41,672 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr6ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 54 remaining) [2024-02-07 19:06:41,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-02-07 19:06:41,672 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-02-07 19:06:41,674 WARN L234 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-02-07 19:06:41,674 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-02-07 19:06:41,804 INFO L144 ThreadInstanceAdder]: Constructed 8 joinOtherThreadTransitions. [2024-02-07 19:06:41,807 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 236 places, 283 transitions, 610 flow [2024-02-07 19:06:41,944 INFO L124 PetriNetUnfolderBase]: 153/775 cut-off events. [2024-02-07 19:06:41,944 INFO L125 PetriNetUnfolderBase]: For 72/80 co-relation queries the response was YES. [2024-02-07 19:06:41,955 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 19:06:41,955 INFO L82 GeneralOperation]: Start removeDead. Operand has 236 places, 283 transitions, 610 flow [2024-02-07 19:06:41,969 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 236 places, 283 transitions, 610 flow [2024-02-07 19:06:41,970 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 19:06:41,973 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;@1a651829, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 19:06:41,973 INFO L358 AbstractCegarLoop]: Starting to check reachability of 78 error locations. [2024-02-07 19:06:41,976 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 19:06:41,977 INFO L124 PetriNetUnfolderBase]: 0/11 cut-off events. [2024-02-07 19:06:41,977 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 19:06:41,977 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:06:41,977 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-02-07 19:06:41,977 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 19:06:41,977 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:06:41,977 INFO L85 PathProgramCache]: Analyzing trace with hash 1099915868, now seen corresponding path program 1 times [2024-02-07 19:06:41,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:06:41,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463610837] [2024-02-07 19:06:41,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:06:41,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:06:41,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 19:06:42,052 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 19:06:42,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 19:06:42,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463610837] [2024-02-07 19:06:42,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463610837] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 19:06:42,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 19:06:42,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-02-07 19:06:42,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305159258] [2024-02-07 19:06:42,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 19:06:42,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-02-07 19:06:42,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 19:06:42,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-02-07 19:06:42,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-02-07 19:06:42,058 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 283 [2024-02-07 19:06:42,059 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 19:06:42,059 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 19:06:42,059 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 283 [2024-02-07 19:06:42,059 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand