./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/safe010_tso.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/safe010_tso.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cb09d658 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/pthread-wmm/safe010_tso.i ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/safe010_tso.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-dev-cb09d65-m [2024-01-27 23:03:54,318 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-27 23:03:54,377 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-27 23:03:54,381 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-27 23:03:54,381 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-27 23:03:54,405 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-27 23:03:54,406 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-27 23:03:54,407 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-27 23:03:54,407 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-27 23:03:54,408 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-27 23:03:54,408 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-27 23:03:54,409 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-27 23:03:54,409 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-27 23:03:54,411 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-27 23:03:54,411 INFO L153 SettingsManager]: * Use SBE=true [2024-01-27 23:03:54,411 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-27 23:03:54,411 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-27 23:03:54,412 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-27 23:03:54,412 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-27 23:03:54,412 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-27 23:03:54,413 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-27 23:03:54,413 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-27 23:03:54,413 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-27 23:03:54,414 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-27 23:03:54,414 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-27 23:03:54,414 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-27 23:03:54,414 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-27 23:03:54,415 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-27 23:03:54,415 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-27 23:03:54,415 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-27 23:03:54,415 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-27 23:03:54,416 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-27 23:03:54,416 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-27 23:03:54,416 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-27 23:03:54,417 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-27 23:03:54,417 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-27 23:03:54,417 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-27 23:03:54,417 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-27 23:03:54,418 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-27 23:03:54,418 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-27 23:03:54,418 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-27 23:03:54,419 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-27 23:03:54,419 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-27 23:03:54,419 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-27 23:03:54,661 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-27 23:03:54,682 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-27 23:03:54,685 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-27 23:03:54,686 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-27 23:03:54,687 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-27 23:03:54,688 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/safe010_tso.yml/witness.yml [2024-01-27 23:03:54,889 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-27 23:03:54,889 INFO L274 PluginConnector]: CDTParser initialized [2024-01-27 23:03:54,890 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe010_tso.i [2024-01-27 23:03:56,045 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-27 23:03:56,258 INFO L384 CDTParser]: Found 1 translation units. [2024-01-27 23:03:56,258 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe010_tso.i [2024-01-27 23:03:56,268 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2eb2cf454/db1ec56277b3466cb0cd33f190446166/FLAGf90bc4d2f [2024-01-27 23:03:56,281 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2eb2cf454/db1ec56277b3466cb0cd33f190446166 [2024-01-27 23:03:56,281 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-27 23:03:56,283 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-27 23:03:56,285 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-27 23:03:56,286 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-27 23:03:56,289 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-27 23:03:56,290 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 11:03:54" (1/2) ... [2024-01-27 23:03:56,292 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@701801bc and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:03:56, skipping insertion in model container [2024-01-27 23:03:56,293 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 11:03:54" (1/2) ... [2024-01-27 23:03:56,294 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3a6e97c9 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:03:56, skipping insertion in model container [2024-01-27 23:03:56,294 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 11:03:56" (2/2) ... [2024-01-27 23:03:56,294 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@701801bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:03:56, skipping insertion in model container [2024-01-27 23:03:56,295 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 11:03:56" (2/2) ... [2024-01-27 23:03:56,295 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-27 23:03:56,456 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-27 23:03:56,458 INFO L98 nessWitnessExtractor]: Location invariant before [L724-L724] (unsigned long )arg == 0UL [2024-01-27 23:03:56,458 INFO L98 nessWitnessExtractor]: Location invariant before [L724-L724] __unbuffered_p1_EAX <= 1 [2024-01-27 23:03:56,458 INFO L98 nessWitnessExtractor]: Location invariant before [L724-L724] (y == 0 || y == 1) || y == 2 [2024-01-27 23:03:56,458 INFO L98 nessWitnessExtractor]: Location invariant before [L724-L724] __unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1 [2024-01-27 23:03:56,459 INFO L98 nessWitnessExtractor]: Location invariant before [L724-L724] y <= 2 [2024-01-27 23:03:56,459 INFO L98 nessWitnessExtractor]: Location invariant before [L724-L724] 0 <= __unbuffered_p1_EAX [2024-01-27 23:03:56,460 INFO L98 nessWitnessExtractor]: Location invariant before [L724-L724] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-01-27 23:03:56,460 INFO L98 nessWitnessExtractor]: Location invariant before [L724-L724] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-01-27 23:03:56,460 INFO L98 nessWitnessExtractor]: Location invariant before [L724-L724] y <= 127 [2024-01-27 23:03:56,460 INFO L98 nessWitnessExtractor]: Location invariant before [L724-L724] 0 <= __unbuffered_cnt [2024-01-27 23:03:56,460 INFO L98 nessWitnessExtractor]: Location invariant before [L724-L724] 0 <= y [2024-01-27 23:03:56,460 INFO L98 nessWitnessExtractor]: Location invariant before [L724-L724] x == 1 [2024-01-27 23:03:56,461 INFO L98 nessWitnessExtractor]: Location invariant before [L738-L738] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-01-27 23:03:56,461 INFO L98 nessWitnessExtractor]: Location invariant before [L738-L738] 0 <= __unbuffered_p1_EAX [2024-01-27 23:03:56,461 INFO L98 nessWitnessExtractor]: Location invariant before [L738-L738] y <= 2 [2024-01-27 23:03:56,461 INFO L98 nessWitnessExtractor]: Location invariant before [L738-L738] x <= 1 [2024-01-27 23:03:56,461 INFO L98 nessWitnessExtractor]: Location invariant before [L738-L738] y <= 127 [2024-01-27 23:03:56,461 INFO L98 nessWitnessExtractor]: Location invariant before [L738-L738] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-01-27 23:03:56,461 INFO L98 nessWitnessExtractor]: Location invariant before [L738-L738] (unsigned long )arg == 0UL [2024-01-27 23:03:56,461 INFO L98 nessWitnessExtractor]: Location invariant before [L738-L738] __unbuffered_p1_EAX <= 1 [2024-01-27 23:03:56,462 INFO L98 nessWitnessExtractor]: Location invariant before [L738-L738] __unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1 [2024-01-27 23:03:56,462 INFO L98 nessWitnessExtractor]: Location invariant before [L738-L738] 0 <= x [2024-01-27 23:03:56,463 INFO L98 nessWitnessExtractor]: Location invariant before [L738-L738] 0 <= y [2024-01-27 23:03:56,463 INFO L98 nessWitnessExtractor]: Location invariant before [L738-L738] 0 <= __unbuffered_cnt [2024-01-27 23:03:56,463 INFO L98 nessWitnessExtractor]: Location invariant before [L738-L738] x == 0 || x == 1 [2024-01-27 23:03:56,463 INFO L98 nessWitnessExtractor]: Location invariant before [L738-L738] (y == 0 || y == 1) || y == 2 [2024-01-27 23:03:56,463 INFO L98 nessWitnessExtractor]: Location invariant before [L740-L740] (unsigned long )arg == 0UL [2024-01-27 23:03:56,464 INFO L98 nessWitnessExtractor]: Location invariant before [L736-L736] __unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1 [2024-01-27 23:03:56,464 INFO L98 nessWitnessExtractor]: Location invariant before [L736-L736] __unbuffered_p1_EAX <= 1 [2024-01-27 23:03:56,464 INFO L98 nessWitnessExtractor]: Location invariant before [L736-L736] 0 <= y [2024-01-27 23:03:56,464 INFO L98 nessWitnessExtractor]: Location invariant before [L736-L736] y <= 2 [2024-01-27 23:03:56,464 INFO L98 nessWitnessExtractor]: Location invariant before [L736-L736] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-01-27 23:03:56,464 INFO L98 nessWitnessExtractor]: Location invariant before [L736-L736] 0 <= __unbuffered_p1_EAX [2024-01-27 23:03:56,465 INFO L98 nessWitnessExtractor]: Location invariant before [L736-L736] y <= 127 [2024-01-27 23:03:56,465 INFO L98 nessWitnessExtractor]: Location invariant before [L736-L736] (unsigned long )arg == 0UL [2024-01-27 23:03:56,465 INFO L98 nessWitnessExtractor]: Location invariant before [L736-L736] x <= 1 [2024-01-27 23:03:56,465 INFO L98 nessWitnessExtractor]: Location invariant before [L736-L736] 0 <= __unbuffered_cnt [2024-01-27 23:03:56,465 INFO L98 nessWitnessExtractor]: Location invariant before [L736-L736] 0 <= x [2024-01-27 23:03:56,467 INFO L98 nessWitnessExtractor]: Location invariant before [L736-L736] (y == 0 || y == 1) || y == 2 [2024-01-27 23:03:56,467 INFO L98 nessWitnessExtractor]: Location invariant before [L736-L736] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-01-27 23:03:56,467 INFO L98 nessWitnessExtractor]: Location invariant before [L736-L736] x == 0 || x == 1 [2024-01-27 23:03:56,467 INFO L98 nessWitnessExtractor]: Location invariant before [L770-L770] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-01-27 23:03:56,467 INFO L98 nessWitnessExtractor]: Location invariant before [L770-L770] __unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1 [2024-01-27 23:03:56,467 INFO L98 nessWitnessExtractor]: Location invariant before [L770-L770] y <= 127 [2024-01-27 23:03:56,468 INFO L98 nessWitnessExtractor]: Location invariant before [L770-L770] 0 <= __unbuffered_cnt [2024-01-27 23:03:56,468 INFO L98 nessWitnessExtractor]: Location invariant before [L770-L770] 0 <= y [2024-01-27 23:03:56,469 INFO L98 nessWitnessExtractor]: Location invariant before [L770-L770] __unbuffered_p1_EAX <= 1 [2024-01-27 23:03:56,469 INFO L98 nessWitnessExtractor]: Location invariant before [L770-L770] x == 0 || x == 1 [2024-01-27 23:03:56,469 INFO L98 nessWitnessExtractor]: Location invariant before [L770-L770] x <= 1 [2024-01-27 23:03:56,469 INFO L98 nessWitnessExtractor]: Location invariant before [L770-L770] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-01-27 23:03:56,469 INFO L98 nessWitnessExtractor]: Location invariant before [L770-L770] (y == 0 || y == 1) || y == 2 [2024-01-27 23:03:56,470 INFO L98 nessWitnessExtractor]: Location invariant before [L770-L770] 0 <= __unbuffered_p1_EAX [2024-01-27 23:03:56,470 INFO L98 nessWitnessExtractor]: Location invariant before [L770-L770] 0 <= x [2024-01-27 23:03:56,470 INFO L98 nessWitnessExtractor]: Location invariant before [L770-L770] y <= 2 [2024-01-27 23:03:56,470 INFO L98 nessWitnessExtractor]: Location invariant before [L719-L719] (unsigned long )arg == 0UL [2024-01-27 23:03:56,471 INFO L98 nessWitnessExtractor]: Location invariant before [L763-L763] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-01-27 23:03:56,471 INFO L98 nessWitnessExtractor]: Location invariant before [L763-L763] x == 0 || x == 1 [2024-01-27 23:03:56,472 INFO L98 nessWitnessExtractor]: Location invariant before [L763-L763] 0 <= x [2024-01-27 23:03:56,472 INFO L98 nessWitnessExtractor]: Location invariant before [L763-L763] 0 <= __unbuffered_p1_EAX [2024-01-27 23:03:56,472 INFO L98 nessWitnessExtractor]: Location invariant before [L763-L763] 0 <= y [2024-01-27 23:03:56,472 INFO L98 nessWitnessExtractor]: Location invariant before [L763-L763] y <= 2 [2024-01-27 23:03:56,472 INFO L98 nessWitnessExtractor]: Location invariant before [L763-L763] (y == 0 || y == 1) || y == 2 [2024-01-27 23:03:56,472 INFO L98 nessWitnessExtractor]: Location invariant before [L763-L763] 0 <= __unbuffered_cnt [2024-01-27 23:03:56,472 INFO L98 nessWitnessExtractor]: Location invariant before [L763-L763] x <= 1 [2024-01-27 23:03:56,473 INFO L98 nessWitnessExtractor]: Location invariant before [L763-L763] __unbuffered_p1_EAX <= 1 [2024-01-27 23:03:56,473 INFO L98 nessWitnessExtractor]: Location invariant before [L763-L763] __unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1 [2024-01-27 23:03:56,473 INFO L98 nessWitnessExtractor]: Location invariant before [L763-L763] y <= 127 [2024-01-27 23:03:56,473 INFO L98 nessWitnessExtractor]: Location invariant before [L763-L763] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-01-27 23:03:56,473 INFO L98 nessWitnessExtractor]: Location invariant before [L729-L729] 0 <= x [2024-01-27 23:03:56,473 INFO L98 nessWitnessExtractor]: Location invariant before [L729-L729] 0 <= y [2024-01-27 23:03:56,473 INFO L98 nessWitnessExtractor]: Location invariant before [L729-L729] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-01-27 23:03:56,474 INFO L98 nessWitnessExtractor]: Location invariant before [L729-L729] __unbuffered_p1_EAX <= 1 [2024-01-27 23:03:56,474 INFO L98 nessWitnessExtractor]: Location invariant before [L729-L729] (y == 0 || y == 1) || y == 2 [2024-01-27 23:03:56,474 INFO L98 nessWitnessExtractor]: Location invariant before [L729-L729] __unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1 [2024-01-27 23:03:56,474 INFO L98 nessWitnessExtractor]: Location invariant before [L729-L729] 1 <= __unbuffered_cnt [2024-01-27 23:03:56,474 INFO L98 nessWitnessExtractor]: Location invariant before [L729-L729] 0 <= __unbuffered_p1_EAX [2024-01-27 23:03:56,478 INFO L98 nessWitnessExtractor]: Location invariant before [L729-L729] y <= 127 [2024-01-27 23:03:56,478 INFO L98 nessWitnessExtractor]: Location invariant before [L729-L729] x == 0 || x == 1 [2024-01-27 23:03:56,478 INFO L98 nessWitnessExtractor]: Location invariant before [L729-L729] (unsigned long )arg == 0UL [2024-01-27 23:03:56,478 INFO L98 nessWitnessExtractor]: Location invariant before [L729-L729] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-01-27 23:03:56,478 INFO L98 nessWitnessExtractor]: Location invariant before [L729-L729] x <= 1 [2024-01-27 23:03:56,478 INFO L98 nessWitnessExtractor]: Location invariant before [L729-L729] y <= 2 [2024-01-27 23:03:56,479 INFO L98 nessWitnessExtractor]: Location invariant before [L739-L739] 0 <= __unbuffered_cnt [2024-01-27 23:03:56,479 INFO L98 nessWitnessExtractor]: Location invariant before [L739-L739] 0 <= __unbuffered_p1_EAX [2024-01-27 23:03:56,479 INFO L98 nessWitnessExtractor]: Location invariant before [L739-L739] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-01-27 23:03:56,479 INFO L98 nessWitnessExtractor]: Location invariant before [L739-L739] 0 <= x [2024-01-27 23:03:56,479 INFO L98 nessWitnessExtractor]: Location invariant before [L739-L739] __unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1 [2024-01-27 23:03:56,479 INFO L98 nessWitnessExtractor]: Location invariant before [L739-L739] x == 0 || x == 1 [2024-01-27 23:03:56,479 INFO L98 nessWitnessExtractor]: Location invariant before [L739-L739] x <= 1 [2024-01-27 23:03:56,479 INFO L98 nessWitnessExtractor]: Location invariant before [L739-L739] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-01-27 23:03:56,480 INFO L98 nessWitnessExtractor]: Location invariant before [L739-L739] y == 1 [2024-01-27 23:03:56,480 INFO L98 nessWitnessExtractor]: Location invariant before [L739-L739] (unsigned long )arg == 0UL [2024-01-27 23:03:56,480 INFO L98 nessWitnessExtractor]: Location invariant before [L739-L739] __unbuffered_p1_EAX <= 1 [2024-01-27 23:03:56,480 INFO L98 nessWitnessExtractor]: Location invariant before [L745-L745] (unsigned long )arg == 0UL [2024-01-27 23:03:56,480 INFO L98 nessWitnessExtractor]: Location invariant before [L725-L725] (unsigned long )arg == 0UL [2024-01-27 23:03:56,480 INFO L98 nessWitnessExtractor]: Location invariant before [L744-L744] 0 <= y [2024-01-27 23:03:56,480 INFO L98 nessWitnessExtractor]: Location invariant before [L744-L744] 1 <= __unbuffered_cnt [2024-01-27 23:03:56,480 INFO L98 nessWitnessExtractor]: Location invariant before [L744-L744] (y == 0 || y == 1) || y == 2 [2024-01-27 23:03:56,481 INFO L98 nessWitnessExtractor]: Location invariant before [L744-L744] (unsigned long )arg == 0UL [2024-01-27 23:03:56,481 INFO L98 nessWitnessExtractor]: Location invariant before [L744-L744] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-01-27 23:03:56,481 INFO L98 nessWitnessExtractor]: Location invariant before [L744-L744] y <= 127 [2024-01-27 23:03:56,481 INFO L98 nessWitnessExtractor]: Location invariant before [L744-L744] x == 0 || x == 1 [2024-01-27 23:03:56,481 INFO L98 nessWitnessExtractor]: Location invariant before [L744-L744] __unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1 [2024-01-27 23:03:56,481 INFO L98 nessWitnessExtractor]: Location invariant before [L744-L744] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-01-27 23:03:56,481 INFO L98 nessWitnessExtractor]: Location invariant before [L744-L744] y <= 2 [2024-01-27 23:03:56,481 INFO L98 nessWitnessExtractor]: Location invariant before [L744-L744] __unbuffered_p1_EAX <= 1 [2024-01-27 23:03:56,482 INFO L98 nessWitnessExtractor]: Location invariant before [L744-L744] 0 <= __unbuffered_p1_EAX [2024-01-27 23:03:56,482 INFO L98 nessWitnessExtractor]: Location invariant before [L744-L744] x <= 1 [2024-01-27 23:03:56,482 INFO L98 nessWitnessExtractor]: Location invariant before [L744-L744] 0 <= x [2024-01-27 23:03:56,482 INFO L98 nessWitnessExtractor]: Location invariant before [L726-L726] x <= 1 [2024-01-27 23:03:56,482 INFO L98 nessWitnessExtractor]: Location invariant before [L726-L726] 0 <= x [2024-01-27 23:03:56,482 INFO L98 nessWitnessExtractor]: Location invariant before [L726-L726] 0 <= __unbuffered_cnt [2024-01-27 23:03:56,482 INFO L98 nessWitnessExtractor]: Location invariant before [L726-L726] y <= 2 [2024-01-27 23:03:56,483 INFO L98 nessWitnessExtractor]: Location invariant before [L726-L726] __unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1 [2024-01-27 23:03:56,483 INFO L98 nessWitnessExtractor]: Location invariant before [L726-L726] x == 0 || x == 1 [2024-01-27 23:03:56,483 INFO L98 nessWitnessExtractor]: Location invariant before [L726-L726] 0 <= y [2024-01-27 23:03:56,483 INFO L98 nessWitnessExtractor]: Location invariant before [L726-L726] 0 <= __unbuffered_p1_EAX [2024-01-27 23:03:56,483 INFO L98 nessWitnessExtractor]: Location invariant before [L726-L726] (y == 0 || y == 1) || y == 2 [2024-01-27 23:03:56,483 INFO L98 nessWitnessExtractor]: Location invariant before [L726-L726] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-01-27 23:03:56,483 INFO L98 nessWitnessExtractor]: Location invariant before [L726-L726] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-01-27 23:03:56,483 INFO L98 nessWitnessExtractor]: Location invariant before [L726-L726] y <= 127 [2024-01-27 23:03:56,484 INFO L98 nessWitnessExtractor]: Location invariant before [L726-L726] (unsigned long )arg == 0UL [2024-01-27 23:03:56,484 INFO L98 nessWitnessExtractor]: Location invariant before [L726-L726] __unbuffered_p1_EAX <= 1 [2024-01-27 23:03:56,484 INFO L98 nessWitnessExtractor]: Location invariant before [L721-L721] x <= 1 [2024-01-27 23:03:56,484 INFO L98 nessWitnessExtractor]: Location invariant before [L721-L721] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-01-27 23:03:56,484 INFO L98 nessWitnessExtractor]: Location invariant before [L721-L721] (unsigned long )arg == 0UL [2024-01-27 23:03:56,485 INFO L98 nessWitnessExtractor]: Location invariant before [L721-L721] 0 <= x [2024-01-27 23:03:56,485 INFO L98 nessWitnessExtractor]: Location invariant before [L721-L721] __unbuffered_p1_EAX <= 1 [2024-01-27 23:03:56,485 INFO L98 nessWitnessExtractor]: Location invariant before [L721-L721] __unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1 [2024-01-27 23:03:56,485 INFO L98 nessWitnessExtractor]: Location invariant before [L721-L721] x == 0 || x == 1 [2024-01-27 23:03:56,485 INFO L98 nessWitnessExtractor]: Location invariant before [L721-L721] 0 <= __unbuffered_cnt [2024-01-27 23:03:56,485 INFO L98 nessWitnessExtractor]: Location invariant before [L721-L721] y == 2 [2024-01-27 23:03:56,485 INFO L98 nessWitnessExtractor]: Location invariant before [L721-L721] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-01-27 23:03:56,486 INFO L98 nessWitnessExtractor]: Location invariant before [L721-L721] 0 <= __unbuffered_p1_EAX [2024-01-27 23:03:56,486 INFO L98 nessWitnessExtractor]: Location invariant before [L764-L764] 0 <= __unbuffered_cnt [2024-01-27 23:03:56,486 INFO L98 nessWitnessExtractor]: Location invariant before [L764-L764] y <= 127 [2024-01-27 23:03:56,486 INFO L98 nessWitnessExtractor]: Location invariant before [L764-L764] __unbuffered_p1_EAX <= 1 [2024-01-27 23:03:56,487 INFO L98 nessWitnessExtractor]: Location invariant before [L764-L764] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-01-27 23:03:56,487 INFO L98 nessWitnessExtractor]: Location invariant before [L764-L764] (y == 0 || y == 1) || y == 2 [2024-01-27 23:03:56,487 INFO L98 nessWitnessExtractor]: Location invariant before [L764-L764] 0 <= x [2024-01-27 23:03:56,487 INFO L98 nessWitnessExtractor]: Location invariant before [L764-L764] 0 <= y [2024-01-27 23:03:56,487 INFO L98 nessWitnessExtractor]: Location invariant before [L764-L764] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-01-27 23:03:56,487 INFO L98 nessWitnessExtractor]: Location invariant before [L764-L764] x <= 1 [2024-01-27 23:03:56,487 INFO L98 nessWitnessExtractor]: Location invariant before [L764-L764] __unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1 [2024-01-27 23:03:56,487 INFO L98 nessWitnessExtractor]: Location invariant before [L764-L764] x == 0 || x == 1 [2024-01-27 23:03:56,488 INFO L98 nessWitnessExtractor]: Location invariant before [L764-L764] 0 <= __unbuffered_p1_EAX [2024-01-27 23:03:56,488 INFO L98 nessWitnessExtractor]: Location invariant before [L764-L764] y <= 2 [2024-01-27 23:03:56,488 INFO L98 nessWitnessExtractor]: Location invariant before [L741-L741] 0 <= __unbuffered_cnt [2024-01-27 23:03:56,488 INFO L98 nessWitnessExtractor]: Location invariant before [L741-L741] x == 0 || x == 1 [2024-01-27 23:03:56,488 INFO L98 nessWitnessExtractor]: Location invariant before [L741-L741] 0 <= x [2024-01-27 23:03:56,488 INFO L98 nessWitnessExtractor]: Location invariant before [L741-L741] y <= 127 [2024-01-27 23:03:56,488 INFO L98 nessWitnessExtractor]: Location invariant before [L741-L741] 0 <= y [2024-01-27 23:03:56,489 INFO L98 nessWitnessExtractor]: Location invariant before [L741-L741] (unsigned long )arg == 0UL [2024-01-27 23:03:56,489 INFO L98 nessWitnessExtractor]: Location invariant before [L741-L741] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-01-27 23:03:56,489 INFO L98 nessWitnessExtractor]: Location invariant before [L741-L741] __unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1 [2024-01-27 23:03:56,489 INFO L98 nessWitnessExtractor]: Location invariant before [L741-L741] (y == 0 || y == 1) || y == 2 [2024-01-27 23:03:56,489 INFO L98 nessWitnessExtractor]: Location invariant before [L741-L741] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-01-27 23:03:56,489 INFO L98 nessWitnessExtractor]: Location invariant before [L741-L741] x <= 1 [2024-01-27 23:03:56,489 INFO L98 nessWitnessExtractor]: Location invariant before [L741-L741] 0 <= __unbuffered_p1_EAX [2024-01-27 23:03:56,489 INFO L98 nessWitnessExtractor]: Location invariant before [L741-L741] y <= 2 [2024-01-27 23:03:56,490 INFO L98 nessWitnessExtractor]: Location invariant before [L741-L741] __unbuffered_p1_EAX <= 1 [2024-01-27 23:03:56,490 INFO L98 nessWitnessExtractor]: Location invariant before [L18-L18] expression == 1 [2024-01-27 23:03:56,490 INFO L98 nessWitnessExtractor]: Location invariant before [L18-L18] expression <= 1 [2024-01-27 23:03:56,490 INFO L98 nessWitnessExtractor]: Location invariant before [L18-L18] 0 <= expression [2024-01-27 23:03:56,490 INFO L98 nessWitnessExtractor]: Location invariant before [L18-L18] expression == 0 [2024-01-27 23:03:56,491 INFO L98 nessWitnessExtractor]: Location invariant before [L18-L18] expression == 0 || expression == 1 [2024-01-27 23:03:56,491 INFO L98 nessWitnessExtractor]: Location invariant before [L730-L730] (unsigned long )arg == 0UL [2024-01-27 23:03:56,491 INFO L98 nessWitnessExtractor]: Location invariant before [L723-L723] y <= 127 [2024-01-27 23:03:56,491 INFO L98 nessWitnessExtractor]: Location invariant before [L723-L723] x == 0 || x == 1 [2024-01-27 23:03:56,491 INFO L98 nessWitnessExtractor]: Location invariant before [L723-L723] (unsigned long )arg == 0UL [2024-01-27 23:03:56,491 INFO L98 nessWitnessExtractor]: Location invariant before [L723-L723] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-01-27 23:03:56,491 INFO L98 nessWitnessExtractor]: Location invariant before [L723-L723] y <= 2 [2024-01-27 23:03:56,491 INFO L98 nessWitnessExtractor]: Location invariant before [L723-L723] x <= 1 [2024-01-27 23:03:56,492 INFO L98 nessWitnessExtractor]: Location invariant before [L723-L723] 0 <= x [2024-01-27 23:03:56,492 INFO L98 nessWitnessExtractor]: Location invariant before [L723-L723] (y == 0 || y == 1) || y == 2 [2024-01-27 23:03:56,492 INFO L98 nessWitnessExtractor]: Location invariant before [L723-L723] 0 <= __unbuffered_p1_EAX [2024-01-27 23:03:56,492 INFO L98 nessWitnessExtractor]: Location invariant before [L723-L723] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-01-27 23:03:56,492 INFO L98 nessWitnessExtractor]: Location invariant before [L723-L723] __unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1 [2024-01-27 23:03:56,492 INFO L98 nessWitnessExtractor]: Location invariant before [L723-L723] 0 <= y [2024-01-27 23:03:56,492 INFO L98 nessWitnessExtractor]: Location invariant before [L723-L723] __unbuffered_p1_EAX <= 1 [2024-01-27 23:03:56,493 INFO L98 nessWitnessExtractor]: Location invariant before [L723-L723] 0 <= __unbuffered_cnt [2024-01-27 23:03:56,493 INFO L98 nessWitnessExtractor]: Location invariant before [L722-L722] (unsigned long )arg == 0UL [2024-01-27 23:03:56,493 INFO L98 nessWitnessExtractor]: Location invariant before [L727-L727] (unsigned long )arg == 0UL [2024-01-27 23:03:56,493 INFO L98 nessWitnessExtractor]: Location invariant before [L734-L734] (unsigned long )arg == 0UL [2024-01-27 23:03:56,493 INFO L98 nessWitnessExtractor]: Location invariant before [L728-L728] y <= 127 [2024-01-27 23:03:56,493 INFO L98 nessWitnessExtractor]: Location invariant before [L728-L728] 0 <= __unbuffered_p1_EAX [2024-01-27 23:03:56,493 INFO L98 nessWitnessExtractor]: Location invariant before [L728-L728] 0 <= __unbuffered_cnt [2024-01-27 23:03:56,494 INFO L98 nessWitnessExtractor]: Location invariant before [L728-L728] x <= 1 [2024-01-27 23:03:56,494 INFO L98 nessWitnessExtractor]: Location invariant before [L728-L728] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-01-27 23:03:56,494 INFO L98 nessWitnessExtractor]: Location invariant before [L728-L728] (y == 0 || y == 1) || y == 2 [2024-01-27 23:03:56,494 INFO L98 nessWitnessExtractor]: Location invariant before [L728-L728] __unbuffered_p1_EAX <= 1 [2024-01-27 23:03:56,494 INFO L98 nessWitnessExtractor]: Location invariant before [L728-L728] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-01-27 23:03:56,494 INFO L98 nessWitnessExtractor]: Location invariant before [L728-L728] 0 <= x [2024-01-27 23:03:56,494 INFO L98 nessWitnessExtractor]: Location invariant before [L728-L728] 0 <= y [2024-01-27 23:03:56,494 INFO L98 nessWitnessExtractor]: Location invariant before [L728-L728] x == 0 || x == 1 [2024-01-27 23:03:56,495 INFO L98 nessWitnessExtractor]: Location invariant before [L728-L728] y <= 2 [2024-01-27 23:03:56,495 INFO L98 nessWitnessExtractor]: Location invariant before [L728-L728] __unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1 [2024-01-27 23:03:56,495 INFO L98 nessWitnessExtractor]: Location invariant before [L728-L728] (unsigned long )arg == 0UL [2024-01-27 23:03:56,495 INFO L98 nessWitnessExtractor]: Location invariant before [L735-L735] __unbuffered_p1_EAX <= 1 [2024-01-27 23:03:56,495 INFO L98 nessWitnessExtractor]: Location invariant before [L735-L735] (unsigned long )arg == 0UL [2024-01-27 23:03:56,517 INFO L98 nessWitnessExtractor]: Location invariant before [L735-L735] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-01-27 23:03:56,519 INFO L98 nessWitnessExtractor]: Location invariant before [L735-L735] x == 0 || x == 1 [2024-01-27 23:03:56,519 INFO L98 nessWitnessExtractor]: Location invariant before [L735-L735] x <= 1 [2024-01-27 23:03:56,519 INFO L98 nessWitnessExtractor]: Location invariant before [L735-L735] 0 <= y [2024-01-27 23:03:56,519 INFO L98 nessWitnessExtractor]: Location invariant before [L735-L735] 0 <= __unbuffered_cnt [2024-01-27 23:03:56,519 INFO L98 nessWitnessExtractor]: Location invariant before [L735-L735] (y == 0 || y == 1) || y == 2 [2024-01-27 23:03:56,519 INFO L98 nessWitnessExtractor]: Location invariant before [L735-L735] y <= 2 [2024-01-27 23:03:56,520 INFO L98 nessWitnessExtractor]: Location invariant before [L735-L735] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-01-27 23:03:56,520 INFO L98 nessWitnessExtractor]: Location invariant before [L735-L735] 0 <= x [2024-01-27 23:03:56,520 INFO L98 nessWitnessExtractor]: Location invariant before [L735-L735] __unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1 [2024-01-27 23:03:56,520 INFO L98 nessWitnessExtractor]: Location invariant before [L735-L735] 0 <= __unbuffered_p1_EAX [2024-01-27 23:03:56,520 INFO L98 nessWitnessExtractor]: Location invariant before [L735-L735] y <= 127 [2024-01-27 23:03:56,520 INFO L98 nessWitnessExtractor]: Location invariant before [L742-L742] (unsigned long )arg == 0UL [2024-01-27 23:03:56,520 INFO L98 nessWitnessExtractor]: Location invariant before [L759-L759] main$tmp_guard1 == (_Bool)0 [2024-01-27 23:03:56,520 INFO L98 nessWitnessExtractor]: Location invariant before [L759-L759] x == 0 [2024-01-27 23:03:56,520 INFO L98 nessWitnessExtractor]: Location invariant before [L759-L759] __unbuffered_p1_EAX == 0 [2024-01-27 23:03:56,520 INFO L98 nessWitnessExtractor]: Location invariant before [L759-L759] y == 0 [2024-01-27 23:03:56,520 INFO L98 nessWitnessExtractor]: Location invariant before [L759-L759] main$tmp_guard0 == (_Bool)0 [2024-01-27 23:03:56,520 INFO L98 nessWitnessExtractor]: Location invariant before [L759-L759] __unbuffered_cnt == 0 [2024-01-27 23:03:56,520 INFO L98 nessWitnessExtractor]: Location invariant before [L737-L737] (unsigned long )arg == 0UL [2024-01-27 23:03:56,520 INFO L98 nessWitnessExtractor]: Location invariant before [L743-L743] __unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1 [2024-01-27 23:03:56,520 INFO L98 nessWitnessExtractor]: Location invariant before [L743-L743] __unbuffered_p1_EAX <= 1 [2024-01-27 23:03:56,520 INFO L98 nessWitnessExtractor]: Location invariant before [L743-L743] (y == 0 || y == 1) || y == 2 [2024-01-27 23:03:56,520 INFO L98 nessWitnessExtractor]: Location invariant before [L743-L743] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-01-27 23:03:56,520 INFO L98 nessWitnessExtractor]: Location invariant before [L743-L743] x == 0 || x == 1 [2024-01-27 23:03:56,521 INFO L98 nessWitnessExtractor]: Location invariant before [L743-L743] 0 <= y [2024-01-27 23:03:56,521 INFO L98 nessWitnessExtractor]: Location invariant before [L743-L743] x <= 1 [2024-01-27 23:03:56,521 INFO L98 nessWitnessExtractor]: Location invariant before [L743-L743] 0 <= __unbuffered_p1_EAX [2024-01-27 23:03:56,521 INFO L98 nessWitnessExtractor]: Location invariant before [L743-L743] (unsigned long )arg == 0UL [2024-01-27 23:03:56,521 INFO L98 nessWitnessExtractor]: Location invariant before [L743-L743] y <= 2 [2024-01-27 23:03:56,521 INFO L98 nessWitnessExtractor]: Location invariant before [L743-L743] 0 <= x [2024-01-27 23:03:56,521 INFO L98 nessWitnessExtractor]: Location invariant before [L743-L743] 0 <= __unbuffered_cnt [2024-01-27 23:03:56,521 INFO L98 nessWitnessExtractor]: Location invariant before [L743-L743] y <= 127 [2024-01-27 23:03:56,521 INFO L98 nessWitnessExtractor]: Location invariant before [L743-L743] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-01-27 23:03:56,521 INFO L98 nessWitnessExtractor]: Location invariant before [L720-L720] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-01-27 23:03:56,521 INFO L98 nessWitnessExtractor]: Location invariant before [L720-L720] y <= 2 [2024-01-27 23:03:56,521 INFO L98 nessWitnessExtractor]: Location invariant before [L720-L720] __unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1 [2024-01-27 23:03:56,521 INFO L98 nessWitnessExtractor]: Location invariant before [L720-L720] 0 <= __unbuffered_cnt [2024-01-27 23:03:56,521 INFO L98 nessWitnessExtractor]: Location invariant before [L720-L720] 0 <= x [2024-01-27 23:03:56,521 INFO L98 nessWitnessExtractor]: Location invariant before [L720-L720] x == 0 || x == 1 [2024-01-27 23:03:56,521 INFO L98 nessWitnessExtractor]: Location invariant before [L720-L720] __unbuffered_p1_EAX <= 1 [2024-01-27 23:03:56,521 INFO L98 nessWitnessExtractor]: Location invariant before [L720-L720] (unsigned long )arg == 0UL [2024-01-27 23:03:56,521 INFO L98 nessWitnessExtractor]: Location invariant before [L720-L720] (y == 0 || y == 1) || y == 2 [2024-01-27 23:03:56,522 INFO L98 nessWitnessExtractor]: Location invariant before [L720-L720] 0 <= __unbuffered_p1_EAX [2024-01-27 23:03:56,522 INFO L98 nessWitnessExtractor]: Location invariant before [L720-L720] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-01-27 23:03:56,522 INFO L98 nessWitnessExtractor]: Location invariant before [L720-L720] y <= 127 [2024-01-27 23:03:56,522 INFO L98 nessWitnessExtractor]: Location invariant before [L720-L720] 0 <= y [2024-01-27 23:03:56,522 INFO L98 nessWitnessExtractor]: Location invariant before [L720-L720] x <= 1 [2024-01-27 23:03:56,522 INFO L98 nessWitnessExtractor]: Location invariant before [L769-L769] y == 2 [2024-01-27 23:03:56,522 INFO L98 nessWitnessExtractor]: Location invariant before [L769-L769] 0 <= __unbuffered_cnt [2024-01-27 23:03:56,522 INFO L98 nessWitnessExtractor]: Location invariant before [L769-L769] x <= 1 [2024-01-27 23:03:56,522 INFO L98 nessWitnessExtractor]: Location invariant before [L769-L769] 0 <= x [2024-01-27 23:03:56,522 INFO L98 nessWitnessExtractor]: Location invariant before [L769-L769] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-01-27 23:03:56,522 INFO L98 nessWitnessExtractor]: Location invariant before [L769-L769] 0 <= __unbuffered_p1_EAX [2024-01-27 23:03:56,522 INFO L98 nessWitnessExtractor]: Location invariant before [L769-L769] __unbuffered_p1_EAX <= 1 [2024-01-27 23:03:56,522 INFO L98 nessWitnessExtractor]: Location invariant before [L769-L769] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-01-27 23:03:56,522 INFO L98 nessWitnessExtractor]: Location invariant before [L769-L769] __unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1 [2024-01-27 23:03:56,522 INFO L98 nessWitnessExtractor]: Location invariant before [L769-L769] x == 0 || x == 1 [2024-01-27 23:03:56,522 INFO L98 nessWitnessExtractor]: Location invariant before [L767-L767] __unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1 [2024-01-27 23:03:56,522 INFO L98 nessWitnessExtractor]: Location invariant before [L767-L767] __unbuffered_p1_EAX <= 1 [2024-01-27 23:03:56,522 INFO L98 nessWitnessExtractor]: Location invariant before [L767-L767] x <= 1 [2024-01-27 23:03:56,522 INFO L98 nessWitnessExtractor]: Location invariant before [L767-L767] 0 <= y [2024-01-27 23:03:56,523 INFO L98 nessWitnessExtractor]: Location invariant before [L767-L767] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-01-27 23:03:56,523 INFO L98 nessWitnessExtractor]: Location invariant before [L767-L767] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-01-27 23:03:56,523 INFO L98 nessWitnessExtractor]: Location invariant before [L767-L767] 0 <= __unbuffered_cnt [2024-01-27 23:03:56,523 INFO L98 nessWitnessExtractor]: Location invariant before [L767-L767] 0 <= __unbuffered_p1_EAX [2024-01-27 23:03:56,523 INFO L98 nessWitnessExtractor]: Location invariant before [L767-L767] 0 <= x [2024-01-27 23:03:56,523 INFO L98 nessWitnessExtractor]: Location invariant before [L767-L767] y <= 2 [2024-01-27 23:03:56,523 INFO L98 nessWitnessExtractor]: Location invariant before [L767-L767] y <= 127 [2024-01-27 23:03:56,523 INFO L98 nessWitnessExtractor]: Location invariant before [L767-L767] x == 0 || x == 1 [2024-01-27 23:03:56,523 INFO L98 nessWitnessExtractor]: Location invariant before [L767-L767] (y == 0 || y == 1) || y == 2 [2024-01-27 23:03:56,593 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-27 23:03:56,763 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe010_tso.i[945,958] [2024-01-27 23:03:56,905 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-27 23:03:56,915 INFO L202 MainTranslator]: Completed pre-run [2024-01-27 23:03:56,925 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe010_tso.i[945,958] [2024-01-27 23:03:56,926 WARN L424 MainDispatcher]: Unable to annotate void __VERIFIER_assert(int expression) { if (!expression) { ERROR: {reach_error();abort();} }; return; } with a witness entry Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-27 23:03:57,082 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-27 23:03:57,126 INFO L206 MainTranslator]: Completed translation [2024-01-27 23:03:57,126 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:03:57 WrapperNode [2024-01-27 23:03:57,126 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-27 23:03:57,128 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-27 23:03:57,128 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-27 23:03:57,128 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-27 23:03:57,134 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:03:57" (1/1) ... [2024-01-27 23:03:57,161 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:03:57" (1/1) ... [2024-01-27 23:03:57,200 INFO L138 Inliner]: procedures = 175, calls = 40, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 125 [2024-01-27 23:03:57,200 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-27 23:03:57,201 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-27 23:03:57,201 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-27 23:03:57,201 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-27 23:03:57,215 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:03:57" (1/1) ... [2024-01-27 23:03:57,215 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:03:57" (1/1) ... [2024-01-27 23:03:57,218 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:03:57" (1/1) ... [2024-01-27 23:03:57,232 INFO L175 MemorySlicer]: Split 4 memory accesses to 3 slices as follows [2, 1, 1]. 50 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 2 writes are split as follows [0, 1, 1]. [2024-01-27 23:03:57,236 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:03:57" (1/1) ... [2024-01-27 23:03:57,236 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:03:57" (1/1) ... [2024-01-27 23:03:57,243 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:03:57" (1/1) ... [2024-01-27 23:03:57,244 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:03:57" (1/1) ... [2024-01-27 23:03:57,246 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:03:57" (1/1) ... [2024-01-27 23:03:57,247 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:03:57" (1/1) ... [2024-01-27 23:03:57,249 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-27 23:03:57,250 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-27 23:03:57,250 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-27 23:03:57,250 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-27 23:03:57,250 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:03:57" (1/1) ... [2024-01-27 23:03:57,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-27 23:03:57,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-27 23:03:57,323 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-01-27 23:03:57,334 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-01-27 23:03:57,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-27 23:03:57,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-27 23:03:57,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-27 23:03:57,367 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-27 23:03:57,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-27 23:03:57,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-27 23:03:57,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-27 23:03:57,367 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-01-27 23:03:57,367 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-01-27 23:03:57,367 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-01-27 23:03:57,367 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-01-27 23:03:57,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-27 23:03:57,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-27 23:03:57,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-27 23:03:57,368 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-27 23:03:57,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-27 23:03:57,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-27 23:03:57,369 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-27 23:03:57,483 INFO L244 CfgBuilder]: Building ICFG [2024-01-27 23:03:57,484 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-27 23:03:58,028 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-27 23:03:58,029 INFO L293 CfgBuilder]: Performing block encoding [2024-01-27 23:03:59,778 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-27 23:03:59,779 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-01-27 23:03:59,779 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 11:03:59 BoogieIcfgContainer [2024-01-27 23:03:59,780 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-27 23:03:59,782 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-27 23:03:59,782 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-27 23:03:59,785 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-27 23:03:59,785 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 11:03:54" (1/4) ... [2024-01-27 23:03:59,786 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d5c46c2 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.01 11:03:59, skipping insertion in model container [2024-01-27 23:03:59,786 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.01 11:03:56" (2/4) ... [2024-01-27 23:03:59,786 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d5c46c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 11:03:59, skipping insertion in model container [2024-01-27 23:03:59,786 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:03:57" (3/4) ... [2024-01-27 23:03:59,787 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d5c46c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 11:03:59, skipping insertion in model container [2024-01-27 23:03:59,787 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 11:03:59" (4/4) ... [2024-01-27 23:03:59,789 INFO L112 eAbstractionObserver]: Analyzing ICFG safe010_tso.i [2024-01-27 23:03:59,804 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-27 23:03:59,805 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 267 error locations. [2024-01-27 23:03:59,805 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-27 23:03:59,938 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-01-27 23:03:59,978 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 315 places, 309 transitions, 626 flow [2024-01-27 23:04:00,179 INFO L124 PetriNetUnfolderBase]: 1/307 cut-off events. [2024-01-27 23:04:00,180 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-27 23:04:00,189 INFO L83 FinitePrefix]: Finished finitePrefix Result has 314 conditions, 307 events. 1/307 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 2439 event pairs, 0 based on Foata normal form. 0/39 useless extension candidates. Maximal degree in co-relation 295. Up to 2 conditions per place. [2024-01-27 23:04:00,189 INFO L82 GeneralOperation]: Start removeDead. Operand has 315 places, 309 transitions, 626 flow [2024-01-27 23:04:00,206 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 313 places, 307 transitions, 620 flow [2024-01-27 23:04:00,255 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-27 23:04:00,260 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;@3cff8480, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-27 23:04:00,260 INFO L358 AbstractCegarLoop]: Starting to check reachability of 467 error locations. [2024-01-27 23:04:00,262 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-27 23:04:00,262 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-27 23:04:00,262 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-27 23:04:00,262 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 23:04:00,262 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-27 23:04:00,262 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 464 more)] === [2024-01-27 23:04:00,267 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 23:04:00,267 INFO L85 PathProgramCache]: Analyzing trace with hash 129139, now seen corresponding path program 1 times [2024-01-27 23:04:00,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 23:04:00,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838860565] [2024-01-27 23:04:00,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 23:04:00,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 23:04:00,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 23:04:00,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 23:04:00,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 23:04:00,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838860565] [2024-01-27 23:04:00,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838860565] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 23:04:00,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 23:04:00,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-27 23:04:00,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344392918] [2024-01-27 23:04:00,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 23:04:00,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 23:04:00,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 23:04:00,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 23:04:00,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 23:04:00,601 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 34 out of 309 [2024-01-27 23:04:00,603 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 313 places, 307 transitions, 620 flow. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 23:04:00,603 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 23:04:00,603 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 34 of 309 [2024-01-27 23:04:00,604 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 23:04:10,339 INFO L124 PetriNetUnfolderBase]: 82998/133527 cut-off events. [2024-01-27 23:04:10,339 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-01-27 23:04:10,465 INFO L83 FinitePrefix]: Finished finitePrefix Result has 260272 conditions, 133527 events. 82998/133527 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 10386. Compared 1453814 event pairs, 74236 based on Foata normal form. 1656/29161 useless extension candidates. Maximal degree in co-relation 260249. Up to 112266 conditions per place. [2024-01-27 23:04:11,325 INFO L140 encePairwiseOnDemand]: 141/309 looper letters, 222 selfloop transitions, 3 changer transitions 0/257 dead transitions. [2024-01-27 23:04:11,326 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 257 transitions, 973 flow [2024-01-27 23:04:11,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 23:04:11,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 23:04:11,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 645 transitions. [2024-01-27 23:04:11,338 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6957928802588996 [2024-01-27 23:04:11,339 INFO L175 Difference]: Start difference. First operand has 313 places, 307 transitions, 620 flow. Second operand 3 states and 645 transitions. [2024-01-27 23:04:11,340 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 257 transitions, 973 flow [2024-01-27 23:04:11,345 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 257 transitions, 970 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-27 23:04:11,348 INFO L231 Difference]: Finished difference. Result has 161 places, 155 transitions, 349 flow [2024-01-27 23:04:11,350 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=309, PETRI_DIFFERENCE_MINUEND_FLOW=310, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=153, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=150, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=349, PETRI_PLACES=161, PETRI_TRANSITIONS=155} [2024-01-27 23:04:11,352 INFO L281 CegarLoopForPetriNet]: 313 programPoint places, -152 predicate places. [2024-01-27 23:04:11,352 INFO L495 AbstractCegarLoop]: Abstraction has has 161 places, 155 transitions, 349 flow [2024-01-27 23:04:11,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 23:04:11,353 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 23:04:11,353 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-01-27 23:04:11,353 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-27 23:04:11,353 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 464 more)] === [2024-01-27 23:04:11,354 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 23:04:11,354 INFO L85 PathProgramCache]: Analyzing trace with hash 4007350, now seen corresponding path program 1 times [2024-01-27 23:04:11,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 23:04:11,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382677426] [2024-01-27 23:04:11,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 23:04:11,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 23:04:11,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 23:04:11,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 23:04:11,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 23:04:11,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382677426] [2024-01-27 23:04:11,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382677426] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 23:04:11,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 23:04:11,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-27 23:04:11,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27808357] [2024-01-27 23:04:11,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 23:04:11,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 23:04:11,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 23:04:11,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 23:04:11,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 23:04:11,468 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 309 [2024-01-27 23:04:11,469 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 155 transitions, 349 flow. Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 23:04:11,469 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 23:04:11,469 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 309 [2024-01-27 23:04:11,469 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 23:04:18,563 INFO L124 PetriNetUnfolderBase]: 74879/119860 cut-off events. [2024-01-27 23:04:18,564 INFO L125 PetriNetUnfolderBase]: For 2490/2502 co-relation queries the response was YES. [2024-01-27 23:04:18,712 INFO L83 FinitePrefix]: Finished finitePrefix Result has 239126 conditions, 119860 events. 74879/119860 cut-off events. For 2490/2502 co-relation queries the response was YES. Maximal size of possible extension queue 9444. Compared 1283970 event pairs, 48860 based on Foata normal form. 1/26290 useless extension candidates. Maximal degree in co-relation 239104. Up to 83502 conditions per place. [2024-01-27 23:04:19,164 INFO L140 encePairwiseOnDemand]: 297/309 looper letters, 200 selfloop transitions, 2 changer transitions 0/234 dead transitions. [2024-01-27 23:04:19,164 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 234 transitions, 937 flow [2024-01-27 23:04:19,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 23:04:19,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 23:04:19,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 313 transitions. [2024-01-27 23:04:19,166 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3376483279395901 [2024-01-27 23:04:19,167 INFO L175 Difference]: Start difference. First operand has 161 places, 155 transitions, 349 flow. Second operand 3 states and 313 transitions. [2024-01-27 23:04:19,167 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 234 transitions, 937 flow [2024-01-27 23:04:19,195 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 234 transitions, 932 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-27 23:04:19,198 INFO L231 Difference]: Finished difference. Result has 161 places, 153 transitions, 364 flow [2024-01-27 23:04:19,198 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=309, PETRI_DIFFERENCE_MINUEND_FLOW=342, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=153, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=151, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=364, PETRI_PLACES=161, PETRI_TRANSITIONS=153} [2024-01-27 23:04:19,199 INFO L281 CegarLoopForPetriNet]: 313 programPoint places, -152 predicate places. [2024-01-27 23:04:19,199 INFO L495 AbstractCegarLoop]: Abstraction has has 161 places, 153 transitions, 364 flow [2024-01-27 23:04:19,199 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 23:04:19,200 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 23:04:19,200 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-01-27 23:04:19,200 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-27 23:04:19,200 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 464 more)] === [2024-01-27 23:04:19,200 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 23:04:19,201 INFO L85 PathProgramCache]: Analyzing trace with hash 124231888, now seen corresponding path program 1 times [2024-01-27 23:04:19,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 23:04:19,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623844083] [2024-01-27 23:04:19,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 23:04:19,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 23:04:19,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 23:04:19,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 23:04:19,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 23:04:19,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623844083] [2024-01-27 23:04:19,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623844083] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 23:04:19,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 23:04:19,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-27 23:04:19,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24785106] [2024-01-27 23:04:19,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 23:04:19,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 23:04:19,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 23:04:19,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 23:04:19,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 23:04:19,232 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 34 out of 309 [2024-01-27 23:04:19,232 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 153 transitions, 364 flow. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 23:04:19,232 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 23:04:19,232 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 34 of 309 [2024-01-27 23:04:19,232 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 23:04:26,762 INFO L124 PetriNetUnfolderBase]: 69587/116157 cut-off events. [2024-01-27 23:04:26,763 INFO L125 PetriNetUnfolderBase]: For 8674/8716 co-relation queries the response was YES. [2024-01-27 23:04:26,945 INFO L83 FinitePrefix]: Finished finitePrefix Result has 233367 conditions, 116157 events. 69587/116157 cut-off events. For 8674/8716 co-relation queries the response was YES. Maximal size of possible extension queue 9805. Compared 1282990 event pairs, 31734 based on Foata normal form. 0/35227 useless extension candidates. Maximal degree in co-relation 233343. Up to 101015 conditions per place. [2024-01-27 23:04:27,368 INFO L140 encePairwiseOnDemand]: 294/309 looper letters, 161 selfloop transitions, 3 changer transitions 0/194 dead transitions. [2024-01-27 23:04:27,368 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 194 transitions, 785 flow [2024-01-27 23:04:27,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 23:04:27,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 23:04:27,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 276 transitions. [2024-01-27 23:04:27,370 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.2977346278317152 [2024-01-27 23:04:27,370 INFO L175 Difference]: Start difference. First operand has 161 places, 153 transitions, 364 flow. Second operand 3 states and 276 transitions. [2024-01-27 23:04:27,370 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 194 transitions, 785 flow [2024-01-27 23:04:27,413 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 194 transitions, 779 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-27 23:04:27,415 INFO L231 Difference]: Finished difference. Result has 161 places, 154 transitions, 397 flow [2024-01-27 23:04:27,416 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=309, PETRI_DIFFERENCE_MINUEND_FLOW=358, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=152, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=149, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=397, PETRI_PLACES=161, PETRI_TRANSITIONS=154} [2024-01-27 23:04:27,416 INFO L281 CegarLoopForPetriNet]: 313 programPoint places, -152 predicate places. [2024-01-27 23:04:27,416 INFO L495 AbstractCegarLoop]: Abstraction has has 161 places, 154 transitions, 397 flow [2024-01-27 23:04:27,417 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 23:04:27,417 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 23:04:27,417 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-01-27 23:04:27,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-27 23:04:27,417 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 464 more)] === [2024-01-27 23:04:27,417 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 23:04:27,418 INFO L85 PathProgramCache]: Analyzing trace with hash -443774725, now seen corresponding path program 1 times [2024-01-27 23:04:27,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 23:04:27,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648721278] [2024-01-27 23:04:27,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 23:04:27,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 23:04:27,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 23:04:27,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 23:04:27,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 23:04:27,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648721278] [2024-01-27 23:04:27,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648721278] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 23:04:27,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 23:04:27,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-27 23:04:27,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448438417] [2024-01-27 23:04:27,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 23:04:27,444 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 23:04:27,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 23:04:27,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 23:04:27,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 23:04:27,446 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 34 out of 309 [2024-01-27 23:04:27,446 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 154 transitions, 397 flow. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 23:04:27,446 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 23:04:27,447 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 34 of 309 [2024-01-27 23:04:27,447 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand