./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_03-munge_racing.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_03-munge_racing.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_03-munge_racing.i ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/28-race_reach_03-munge_racing.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.fix-undeclared-acsl-variable-e7c74ae-m [2024-02-07 19:31:57,157 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 19:31:57,220 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 19:31:57,224 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 19:31:57,224 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 19:31:57,237 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 19:31:57,238 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 19:31:57,238 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 19:31:57,238 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 19:31:57,238 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 19:31:57,239 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 19:31:57,239 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 19:31:57,239 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 19:31:57,239 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 19:31:57,240 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 19:31:57,240 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 19:31:57,240 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 19:31:57,240 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 19:31:57,241 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 19:31:57,241 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 19:31:57,241 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 19:31:57,241 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 19:31:57,242 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 19:31:57,242 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 19:31:57,242 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 19:31:57,243 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 19:31:57,243 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 19:31:57,243 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 19:31:57,243 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 19:31:57,244 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 19:31:57,244 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 19:31:57,244 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 19:31:57,244 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 19:31:57,245 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 19:31:57,245 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 19:31:57,245 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 19:31:57,245 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 19:31:57,245 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 19:31:57,246 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 19:31:57,246 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 19:31:57,246 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 19:31:57,246 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 19:31:57,247 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 19:31:57,247 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 19:31:57,424 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 19:31:57,438 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 19:31:57,440 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 19:31:57,441 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 19:31:57,441 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 19:31:57,442 INFO L431 ainManager$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_03-munge_racing.yml/witness.yml [2024-02-07 19:31:57,541 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 19:31:57,541 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 19:31:57,541 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_03-munge_racing.i [2024-02-07 19:31:58,532 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 19:31:58,751 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 19:31:58,752 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_03-munge_racing.i [2024-02-07 19:31:58,765 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ede03514b/0b526dacbf8f42fc9e771df4c0fcf291/FLAG5dd587249 [2024-02-07 19:31:58,777 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ede03514b/0b526dacbf8f42fc9e771df4c0fcf291 [2024-02-07 19:31:58,778 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 19:31:58,779 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 19:31:58,780 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 19:31:58,780 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 19:31:58,784 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 19:31:58,784 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:31:57" (1/2) ... [2024-02-07 19:31:58,785 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33265874 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:31:58, skipping insertion in model container [2024-02-07 19:31:58,785 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:31:57" (1/2) ... [2024-02-07 19:31:58,786 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@33f8f547 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:31:58, skipping insertion in model container [2024-02-07 19:31:58,787 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:31:58" (2/2) ... [2024-02-07 19:31:58,787 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33265874 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:31:58, skipping insertion in model container [2024-02-07 19:31:58,787 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:31:58" (2/2) ... [2024-02-07 19:31:58,787 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 19:31:58,838 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 19:31:58,839 INFO L76 edCorrectnessWitness]: Location invariant before [L702-L702] m == & mutex1 || m == & mutex2 [2024-02-07 19:31:58,840 INFO L76 edCorrectnessWitness]: Location invariant after [L715-L715] ((((((((((((((((((((((((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 19:31:58,840 INFO L76 edCorrectnessWitness]: Location invariant before [L702-L702] (-2147483647 <= global) && (m == & mutex1 || m == & mutex2) [2024-02-07 19:31:58,840 INFO L76 edCorrectnessWitness]: Location invariant before [L702-L702] m == & mutex1 || m == & mutex2 [2024-02-07 19:31:58,840 INFO L76 edCorrectnessWitness]: Location invariant before [L714-L714] (((((((((((((((((((((((((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 19:31:58,841 INFO L76 edCorrectnessWitness]: Location invariant before [L702-L702] m == & mutex1 || m == & mutex2 [2024-02-07 19:31:58,842 INFO L76 edCorrectnessWitness]: Location invariant before [L702-L702] m == & mutex1 || m == & mutex2 [2024-02-07 19:31:58,842 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 19:31:58,842 INFO L76 edCorrectnessWitness]: Location invariant after [L702-L702] m == & mutex1 || m == & mutex2 [2024-02-07 19:31:58,842 INFO L76 edCorrectnessWitness]: Location invariant after [L702-L702] (global <= 2147483646) && (m == & mutex1 || m == & mutex2) [2024-02-07 19:31:58,842 INFO L76 edCorrectnessWitness]: Location invariant before [L702-L702] m == & mutex1 || m == & mutex2 [2024-02-07 19:31:58,842 INFO L76 edCorrectnessWitness]: Location invariant after [L702-L702] (-2147483647 <= global) && (m == & mutex1 || m == & mutex2) [2024-02-07 19:31:58,842 INFO L76 edCorrectnessWitness]: Location invariant before [L702-L702] m == & mutex1 || m == & mutex2 [2024-02-07 19:31:58,843 INFO L76 edCorrectnessWitness]: Location invariant before [L703-L703] m == & mutex1 || m == & mutex2 [2024-02-07 19:31:58,843 INFO L76 edCorrectnessWitness]: Location invariant after [L702-L702] m == & mutex1 || m == & mutex2 [2024-02-07 19:31:58,843 INFO L76 edCorrectnessWitness]: Location invariant after [L714-L714] (((((((((((((((((((((((((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 19:31:58,843 INFO L76 edCorrectnessWitness]: Location invariant before [L702-L702] m == & mutex1 || m == & mutex2 [2024-02-07 19:31:58,843 INFO L76 edCorrectnessWitness]: Location invariant before [L702-L702] (global <= 2147483646) && (m == & mutex1 || m == & mutex2) [2024-02-07 19:31:58,843 INFO L76 edCorrectnessWitness]: Location invariant after [L714-L714] (((((((((((((((((((((((((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 19:31:58,843 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 19:31:58,844 INFO L76 edCorrectnessWitness]: Location invariant before [L715-L715] ((((((((((((((((((((((((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 19:31:58,844 INFO L76 edCorrectnessWitness]: Location invariant after [L702-L702] m == & mutex1 || m == & mutex2 [2024-02-07 19:31:58,844 INFO L76 edCorrectnessWitness]: Location invariant before [L702-L702] m == & mutex1 || m == & mutex2 [2024-02-07 19:31:58,845 INFO L76 edCorrectnessWitness]: Location invariant before [L714-L714] (((((((((((((((((((((((((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 19:31:58,845 INFO L76 edCorrectnessWitness]: Location invariant after [L702-L702] m == & mutex1 || m == & mutex2 [2024-02-07 19:31:58,884 INFO L181 MainTranslator]: Built tables and reachable declarations [2024-02-07 19:31:59,101 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_03-munge_racing.i[30176,30189] [2024-02-07 19:31:59,120 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-07 19:31:59,129 INFO L206 MainTranslator]: Completed pre-run [2024-02-07 19:31:59,162 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_03-munge_racing.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 19:31:59,349 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-07 19:31:59,380 INFO L211 MainTranslator]: Completed translation [2024-02-07 19:31:59,381 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:31:59 WrapperNode [2024-02-07 19:31:59,381 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 19:31:59,382 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-07 19:31:59,382 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-07 19:31:59,382 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-07 19:31:59,388 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:31:59" (1/1) ... [2024-02-07 19:31:59,400 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:31:59" (1/1) ... [2024-02-07 19:31:59,440 INFO L138 Inliner]: procedures = 173, calls = 47, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 248 [2024-02-07 19:31:59,441 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-07 19:31:59,442 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-07 19:31:59,442 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-07 19:31:59,442 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-07 19:31:59,451 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:31:59" (1/1) ... [2024-02-07 19:31:59,451 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:31:59" (1/1) ... [2024-02-07 19:31:59,466 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:31:59" (1/1) ... [2024-02-07 19:31:59,491 INFO L175 MemorySlicer]: Split 21 memory accesses to 5 slices as follows [2, 2, 5, 10, 2]. 48 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 5, 10, 0]. The 2 writes are split as follows [0, 1, 0, 0, 1]. [2024-02-07 19:31:59,492 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:31:59" (1/1) ... [2024-02-07 19:31:59,492 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:31:59" (1/1) ... [2024-02-07 19:31:59,508 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:31:59" (1/1) ... [2024-02-07 19:31:59,512 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:31:59" (1/1) ... [2024-02-07 19:31:59,516 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:31:59" (1/1) ... [2024-02-07 19:31:59,523 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:31:59" (1/1) ... [2024-02-07 19:31:59,531 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-07 19:31:59,532 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-07 19:31:59,533 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-07 19:31:59,533 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-07 19:31:59,534 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:31:59" (1/1) ... [2024-02-07 19:31:59,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 19:31:59,549 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-07 19:31:59,566 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 19:31:59,588 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 19:31:59,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-02-07 19:31:59,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-02-07 19:31:59,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-02-07 19:31:59,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-02-07 19:31:59,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-02-07 19:31:59,600 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2024-02-07 19:31:59,600 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2024-02-07 19:31:59,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-07 19:31:59,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-07 19:31:59,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-07 19:31:59,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-07 19:31:59,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-02-07 19:31:59,601 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-02-07 19:31:59,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-07 19:31:59,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-07 19:31:59,602 INFO L130 BoogieDeclarations]: Found specification of procedure t1_fun [2024-02-07 19:31:59,602 INFO L138 BoogieDeclarations]: Found implementation of procedure t1_fun [2024-02-07 19:31:59,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-07 19:31:59,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-07 19:31:59,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-07 19:31:59,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-07 19:31:59,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-07 19:31:59,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-02-07 19:31:59,603 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-02-07 19:31:59,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-07 19:31:59,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-07 19:31:59,605 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 19:31:59,718 INFO L244 CfgBuilder]: Building ICFG [2024-02-07 19:31:59,720 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-07 19:32:00,038 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-07 19:32:00,038 INFO L293 CfgBuilder]: Performing block encoding [2024-02-07 19:32:00,206 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-07 19:32:00,206 INFO L320 CfgBuilder]: Removed 24 assume(true) statements. [2024-02-07 19:32:00,207 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 07:32:00 BoogieIcfgContainer [2024-02-07 19:32:00,208 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-07 19:32:00,210 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-07 19:32:00,211 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-07 19:32:00,213 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-07 19:32:00,214 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:31:57" (1/4) ... [2024-02-07 19:32:00,215 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7896f411 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 07:32:00, skipping insertion in model container [2024-02-07 19:32:00,215 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 07:31:58" (2/4) ... [2024-02-07 19:32:00,216 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7896f411 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 07:32:00, skipping insertion in model container [2024-02-07 19:32:00,216 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:31:59" (3/4) ... [2024-02-07 19:32:00,217 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7896f411 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 07:32:00, skipping insertion in model container [2024-02-07 19:32:00,217 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 07:32:00" (4/4) ... [2024-02-07 19:32:00,218 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_03-munge_racing.i [2024-02-07 19:32:00,234 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-07 19:32:00,235 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2024-02-07 19:32:00,235 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-07 19:32:00,336 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-02-07 19:32:00,360 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 124 places, 147 transitions, 314 flow [2024-02-07 19:32:00,405 INFO L124 PetriNetUnfolderBase]: 44/247 cut-off events. [2024-02-07 19:32:00,405 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-02-07 19:32:00,409 INFO L83 FinitePrefix]: Finished finitePrefix Result has 264 conditions, 247 events. 44/247 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1331 event pairs, 0 based on Foata normal form. 0/152 useless extension candidates. Maximal degree in co-relation 152. Up to 8 conditions per place. [2024-02-07 19:32:00,410 INFO L82 GeneralOperation]: Start removeDead. Operand has 124 places, 147 transitions, 314 flow [2024-02-07 19:32:00,414 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 124 places, 147 transitions, 314 flow [2024-02-07 19:32:00,420 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 19:32:00,425 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;@6e3bcc17, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 19:32:00,425 INFO L358 AbstractCegarLoop]: Starting to check reachability of 54 error locations. [2024-02-07 19:32:00,428 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 19:32:00,428 INFO L124 PetriNetUnfolderBase]: 0/12 cut-off events. [2024-02-07 19:32:00,429 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 19:32:00,429 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:32:00,429 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-02-07 19:32:00,429 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 19:32:00,433 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:32:00,433 INFO L85 PathProgramCache]: Analyzing trace with hash 596850345, now seen corresponding path program 1 times [2024-02-07 19:32:00,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:32:00,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307324395] [2024-02-07 19:32:00,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:32:00,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:32:00,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 19:32:00,721 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 19:32:00,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 19:32:00,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307324395] [2024-02-07 19:32:00,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307324395] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 19:32:00,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 19:32:00,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-02-07 19:32:00,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443864137] [2024-02-07 19:32:00,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 19:32:00,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-02-07 19:32:00,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 19:32:00,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-02-07 19:32:00,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-02-07 19:32:00,762 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 63 out of 147 [2024-02-07 19:32:00,765 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 147 transitions, 314 flow. Second operand has 4 states, 4 states have (on average 64.25) internal successors, (257), 4 states have internal predecessors, (257), 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 19:32:00,766 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 19:32:00,766 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 63 of 147 [2024-02-07 19:32:00,767 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 19:32:00,921 INFO L124 PetriNetUnfolderBase]: 61/252 cut-off events. [2024-02-07 19:32:00,921 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 19:32:00,922 INFO L83 FinitePrefix]: Finished finitePrefix Result has 397 conditions, 252 events. 61/252 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1121 event pairs, 34 based on Foata normal form. 40/264 useless extension candidates. Maximal degree in co-relation 393. Up to 117 conditions per place. [2024-02-07 19:32:00,925 INFO L140 encePairwiseOnDemand]: 132/147 looper letters, 42 selfloop transitions, 2 changer transitions 0/74 dead transitions. [2024-02-07 19:32:00,925 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 74 transitions, 240 flow [2024-02-07 19:32:00,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-02-07 19:32:00,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-02-07 19:32:00,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 321 transitions. [2024-02-07 19:32:00,939 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5459183673469388 [2024-02-07 19:32:00,941 INFO L175 Difference]: Start difference. First operand has 124 places, 147 transitions, 314 flow. Second operand 4 states and 321 transitions. [2024-02-07 19:32:00,941 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 74 transitions, 240 flow [2024-02-07 19:32:00,944 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 74 transitions, 240 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-02-07 19:32:00,946 INFO L231 Difference]: Finished difference. Result has 60 places, 54 transitions, 116 flow [2024-02-07 19:32:00,947 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=147, PETRI_DIFFERENCE_MINUEND_FLOW=112, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=116, PETRI_PLACES=60, PETRI_TRANSITIONS=54} [2024-02-07 19:32:00,951 INFO L281 CegarLoopForPetriNet]: 124 programPoint places, -64 predicate places. [2024-02-07 19:32:00,951 INFO L495 AbstractCegarLoop]: Abstraction has has 60 places, 54 transitions, 116 flow [2024-02-07 19:32:00,952 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 64.25) internal successors, (257), 4 states have internal predecessors, (257), 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 19:32:00,952 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:32:00,952 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1] [2024-02-07 19:32:00,952 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-07 19:32:00,952 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 19:32:00,953 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:32:00,953 INFO L85 PathProgramCache]: Analyzing trace with hash -1952415695, now seen corresponding path program 1 times [2024-02-07 19:32:00,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:32:00,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545716460] [2024-02-07 19:32:00,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:32:00,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:32:00,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 19:32:00,997 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-07 19:32:01,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 19:32:01,036 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-07 19:32:01,037 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-02-07 19:32:01,039 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (53 of 54 remaining) [2024-02-07 19:32:01,046 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 54 remaining) [2024-02-07 19:32:01,046 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr11ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 54 remaining) [2024-02-07 19:32:01,047 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr7ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 54 remaining) [2024-02-07 19:32:01,047 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 54 remaining) [2024-02-07 19:32:01,047 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr4ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 54 remaining) [2024-02-07 19:32:01,048 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr8ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 54 remaining) [2024-02-07 19:32:01,048 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 54 remaining) [2024-02-07 19:32:01,048 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr5ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 54 remaining) [2024-02-07 19:32:01,049 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr3ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 54 remaining) [2024-02-07 19:32:01,049 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr9ASSERT_VIOLATIONERROR_FUNCTION (43 of 54 remaining) [2024-02-07 19:32:01,049 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr6ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 54 remaining) [2024-02-07 19:32:01,049 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr10ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 54 remaining) [2024-02-07 19:32:01,050 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 54 remaining) [2024-02-07 19:32:01,050 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 54 remaining) [2024-02-07 19:32:01,050 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 54 remaining) [2024-02-07 19:32:01,050 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 54 remaining) [2024-02-07 19:32:01,050 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (36 of 54 remaining) [2024-02-07 19:32:01,051 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 54 remaining) [2024-02-07 19:32:01,051 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr11ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 54 remaining) [2024-02-07 19:32:01,052 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr7ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 54 remaining) [2024-02-07 19:32:01,055 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 54 remaining) [2024-02-07 19:32:01,055 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr4ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 54 remaining) [2024-02-07 19:32:01,055 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr8ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 54 remaining) [2024-02-07 19:32:01,056 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 54 remaining) [2024-02-07 19:32:01,056 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr5ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 54 remaining) [2024-02-07 19:32:01,056 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr3ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 54 remaining) [2024-02-07 19:32:01,057 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr9ASSERT_VIOLATIONERROR_FUNCTION (26 of 54 remaining) [2024-02-07 19:32:01,057 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr6ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 54 remaining) [2024-02-07 19:32:01,057 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr10ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 54 remaining) [2024-02-07 19:32:01,057 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 54 remaining) [2024-02-07 19:32:01,057 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr11ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 54 remaining) [2024-02-07 19:32:01,058 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr7ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 54 remaining) [2024-02-07 19:32:01,058 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 54 remaining) [2024-02-07 19:32:01,058 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr4ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 54 remaining) [2024-02-07 19:32:01,058 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr8ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 54 remaining) [2024-02-07 19:32:01,058 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 54 remaining) [2024-02-07 19:32:01,059 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr5ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 54 remaining) [2024-02-07 19:32:01,059 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr3ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 54 remaining) [2024-02-07 19:32:01,059 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr9ASSERT_VIOLATIONERROR_FUNCTION (14 of 54 remaining) [2024-02-07 19:32:01,059 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr6ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 54 remaining) [2024-02-07 19:32:01,059 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr10ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 54 remaining) [2024-02-07 19:32:01,059 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 54 remaining) [2024-02-07 19:32:01,061 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr11ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 54 remaining) [2024-02-07 19:32:01,061 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr7ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 54 remaining) [2024-02-07 19:32:01,061 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 54 remaining) [2024-02-07 19:32:01,061 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr4ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 54 remaining) [2024-02-07 19:32:01,062 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr8ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 54 remaining) [2024-02-07 19:32:01,062 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 54 remaining) [2024-02-07 19:32:01,062 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr5ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 54 remaining) [2024-02-07 19:32:01,062 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr3ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 54 remaining) [2024-02-07 19:32:01,063 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr9ASSERT_VIOLATIONERROR_FUNCTION (2 of 54 remaining) [2024-02-07 19:32:01,067 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr6ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 54 remaining) [2024-02-07 19:32:01,067 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr10ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 54 remaining) [2024-02-07 19:32:01,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-02-07 19:32:01,068 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-02-07 19:32:01,071 WARN L234 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-02-07 19:32:01,071 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-02-07 19:32:01,178 INFO L144 ThreadInstanceAdder]: Constructed 8 joinOtherThreadTransitions. [2024-02-07 19:32:01,183 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 224 places, 271 transitions, 586 flow [2024-02-07 19:32:01,311 INFO L124 PetriNetUnfolderBase]: 153/751 cut-off events. [2024-02-07 19:32:01,312 INFO L125 PetriNetUnfolderBase]: For 72/80 co-relation queries the response was YES. [2024-02-07 19:32:01,332 INFO L83 FinitePrefix]: Finished finitePrefix Result has 840 conditions, 751 events. 153/751 cut-off events. For 72/80 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 5332 event pairs, 1 based on Foata normal form. 0/477 useless extension candidates. Maximal degree in co-relation 472. Up to 32 conditions per place. [2024-02-07 19:32:01,332 INFO L82 GeneralOperation]: Start removeDead. Operand has 224 places, 271 transitions, 586 flow [2024-02-07 19:32:01,349 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 224 places, 271 transitions, 586 flow [2024-02-07 19:32:01,350 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 19:32:01,352 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;@6e3bcc17, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 19:32:01,352 INFO L358 AbstractCegarLoop]: Starting to check reachability of 78 error locations. [2024-02-07 19:32:01,355 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 19:32:01,355 INFO L124 PetriNetUnfolderBase]: 0/12 cut-off events. [2024-02-07 19:32:01,355 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 19:32:01,355 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:32:01,355 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-02-07 19:32:01,355 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 19:32:01,356 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:32:01,356 INFO L85 PathProgramCache]: Analyzing trace with hash 853672749, now seen corresponding path program 1 times [2024-02-07 19:32:01,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:32:01,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658714075] [2024-02-07 19:32:01,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:32:01,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:32:01,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 19:32:01,439 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 19:32:01,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 19:32:01,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658714075] [2024-02-07 19:32:01,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658714075] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 19:32:01,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 19:32:01,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-02-07 19:32:01,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507438041] [2024-02-07 19:32:01,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 19:32:01,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-02-07 19:32:01,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 19:32:01,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-02-07 19:32:01,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-02-07 19:32:01,446 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 271 [2024-02-07 19:32:01,448 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 224 places, 271 transitions, 586 flow. Second operand has 4 states, 4 states have (on average 122.25) internal successors, (489), 4 states have internal predecessors, (489), 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 19:32:01,449 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 19:32:01,449 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 271 [2024-02-07 19:32:01,449 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand