./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/safe012_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/safe012_tso.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3d25acf6 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe012_tso.i ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/safe012_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-3d25acf-m [2024-01-30 14:17:28,257 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-30 14:17:28,343 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-30 14:17:28,349 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-30 14:17:28,349 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-30 14:17:28,374 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-30 14:17:28,374 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-30 14:17:28,375 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-30 14:17:28,375 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-30 14:17:28,378 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-30 14:17:28,379 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-30 14:17:28,379 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-30 14:17:28,380 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-30 14:17:28,381 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-30 14:17:28,381 INFO L153 SettingsManager]: * Use SBE=true [2024-01-30 14:17:28,381 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-30 14:17:28,381 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-30 14:17:28,382 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-30 14:17:28,382 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-30 14:17:28,382 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-30 14:17:28,382 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-30 14:17:28,382 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-30 14:17:28,383 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-30 14:17:28,384 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-30 14:17:28,384 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-30 14:17:28,384 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-30 14:17:28,384 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-30 14:17:28,384 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-30 14:17:28,385 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-30 14:17:28,385 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-30 14:17:28,386 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-30 14:17:28,386 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-30 14:17:28,386 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-30 14:17:28,386 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-30 14:17:28,387 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-30 14:17:28,387 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-30 14:17:28,387 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-30 14:17:28,387 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-30 14:17:28,387 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-30 14:17:28,387 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-30 14:17:28,388 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-30 14:17:28,388 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-30 14:17:28,388 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-30 14:17:28,388 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-30 14:17:28,623 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-30 14:17:28,647 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-30 14:17:28,649 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-30 14:17:28,650 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-30 14:17:28,650 INFO L274 PluginConnector]: CDTParser initialized [2024-01-30 14:17:28,651 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe012_tso.i [2024-01-30 14:17:29,622 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-30 14:17:29,862 INFO L384 CDTParser]: Found 1 translation units. [2024-01-30 14:17:29,863 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe012_tso.i [2024-01-30 14:17:29,876 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91124db9a/2cd050b430cb47b3a4e2367a303b79c7/FLAGe42e9358f [2024-01-30 14:17:29,886 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91124db9a/2cd050b430cb47b3a4e2367a303b79c7 [2024-01-30 14:17:29,888 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-30 14:17:29,889 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-30 14:17:29,889 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/safe012_tso.yml/witness.yml [2024-01-30 14:17:30,107 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-30 14:17:30,109 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-30 14:17:30,110 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-30 14:17:30,110 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-30 14:17:30,114 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-30 14:17:30,115 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.01 02:17:29" (1/2) ... [2024-01-30 14:17:30,116 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40df94e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:17:30, skipping insertion in model container [2024-01-30 14:17:30,116 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.01 02:17:29" (1/2) ... [2024-01-30 14:17:30,118 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3a8e2d40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:17:30, skipping insertion in model container [2024-01-30 14:17:30,118 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 30.01 02:17:30" (2/2) ... [2024-01-30 14:17:30,118 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40df94e5 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:17:30, skipping insertion in model container [2024-01-30 14:17:30,118 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 30.01 02:17:30" (2/2) ... [2024-01-30 14:17:30,119 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-30 14:17:30,503 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-30 14:17:30,505 INFO L98 nessWitnessExtractor]: Location invariant before [L793-L793] ((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 1)) && (__unbuffered_p0_EAX == 1)) && (__unbuffered_p0_EBX == 0 || ((0 <= __unbuffered_p0_EBX && __unbuffered_p0_EBX <= 1) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)))) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && (z == 0 || z == 1) [2024-01-30 14:17:30,505 INFO L98 nessWitnessExtractor]: Location invariant before [L743-L743] (((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p0_EBX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (y <= 1)) && (z <= 1)) && (x == 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (y == 0 || y == 1)) && (z == 0 || z == 1) [2024-01-30 14:17:30,505 INFO L98 nessWitnessExtractor]: Location invariant before [L744-L744] (unsigned long )arg == 0UL [2024-01-30 14:17:30,505 INFO L98 nessWitnessExtractor]: Location invariant before [L730-L730] (((((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p0_EBX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && (z == 0 || z == 1) [2024-01-30 14:17:30,505 INFO L98 nessWitnessExtractor]: Location invariant before [L736-L736] (((((((((((((((((((((0 <= __unbuffered_p0_EAX) && (0 <= __unbuffered_p0_EBX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (1 <= __unbuffered_cnt)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && (z == 0 || z == 1) [2024-01-30 14:17:30,506 INFO L98 nessWitnessExtractor]: Location invariant before [L745-L745] (((((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p0_EBX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && (z == 0 || z == 1) [2024-01-30 14:17:30,506 INFO L98 nessWitnessExtractor]: Location invariant before [L752-L752] (unsigned long )arg == 0UL [2024-01-30 14:17:30,506 INFO L98 nessWitnessExtractor]: Location invariant before [L762-L762] (unsigned long )arg == 0UL [2024-01-30 14:17:30,506 INFO L98 nessWitnessExtractor]: Location invariant before [L751-L751] (((((((((((((((((((((0 <= __unbuffered_p0_EAX) && (0 <= __unbuffered_p0_EBX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (1 <= __unbuffered_cnt)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && (z == 0 || z == 1) [2024-01-30 14:17:30,507 INFO L98 nessWitnessExtractor]: Location invariant before [L794-L794] ((((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p0_EBX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 1)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && (z == 0 || z == 1) [2024-01-30 14:17:30,507 INFO L98 nessWitnessExtractor]: Location invariant before [L729-L729] (unsigned long )arg == 0UL [2024-01-30 14:17:30,507 INFO L98 nessWitnessExtractor]: Location invariant before [L733-L733] (((((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p0_EBX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && (z == 0 || z == 1) [2024-01-30 14:17:30,507 INFO L98 nessWitnessExtractor]: Location invariant before [L749-L749] (unsigned long )arg == 0UL [2024-01-30 14:17:30,507 INFO L98 nessWitnessExtractor]: Location invariant before [L18-L18] ((((0 <= expression) && (expression <= 1)) && (expression == 0 || expression == 1)) && (expression == 1)) && (expression == 0) [2024-01-30 14:17:30,507 INFO L98 nessWitnessExtractor]: Location invariant before [L726-L726] (unsigned long )arg == 0UL [2024-01-30 14:17:30,507 INFO L98 nessWitnessExtractor]: Location invariant before [L781-L781] ((((((((__unbuffered_cnt == 0) && (__unbuffered_p0_EAX == 0)) && (__unbuffered_p0_EBX == 0)) && (__unbuffered_p2_EAX == 0)) && (main$tmp_guard0 == (_Bool)0)) && (main$tmp_guard1 == (_Bool)0)) && (x == 0)) && (y == 0)) && (z == 0) [2024-01-30 14:17:30,508 INFO L98 nessWitnessExtractor]: Location invariant before [L746-L746] (((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p0_EBX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (z <= 1)) && (y == 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && (z == 0 || z == 1) [2024-01-30 14:17:30,508 INFO L98 nessWitnessExtractor]: Location invariant before [L761-L761] (((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p0_EBX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z == 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && (y == 0 || y == 1) [2024-01-30 14:17:30,508 INFO L98 nessWitnessExtractor]: Location invariant before [L788-L788] ((((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p0_EBX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 1)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && (z == 0 || z == 1) [2024-01-30 14:17:30,508 INFO L98 nessWitnessExtractor]: Location invariant before [L750-L750] (((((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p0_EBX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && (z == 0 || z == 1) [2024-01-30 14:17:30,508 INFO L98 nessWitnessExtractor]: Location invariant before [L791-L791] ((((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p0_EBX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 1)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && (z == 0 || z == 1) [2024-01-30 14:17:30,508 INFO L98 nessWitnessExtractor]: Location invariant before [L763-L763] (((((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p0_EBX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && (z == 0 || z == 1) [2024-01-30 14:17:30,509 INFO L98 nessWitnessExtractor]: Location invariant before [L731-L731] (((((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p0_EBX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && (z == 0 || z == 1) [2024-01-30 14:17:30,509 INFO L98 nessWitnessExtractor]: Location invariant before [L757-L757] (((((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p0_EBX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && (z == 0 || z == 1) [2024-01-30 14:17:30,509 INFO L98 nessWitnessExtractor]: Location invariant before [L765-L765] (((((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p0_EBX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && (z == 0 || z == 1) [2024-01-30 14:17:30,509 INFO L98 nessWitnessExtractor]: Location invariant before [L766-L766] (((((((((((((((((((((0 <= __unbuffered_p0_EAX) && (0 <= __unbuffered_p0_EBX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (1 <= __unbuffered_cnt)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && (z == 0 || z == 1) [2024-01-30 14:17:30,510 INFO L98 nessWitnessExtractor]: Location invariant before [L787-L787] ((((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p0_EBX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 1)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && (z == 0 || z == 1) [2024-01-30 14:17:30,510 INFO L98 nessWitnessExtractor]: Location invariant before [L760-L760] (((((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p0_EBX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && (z == 0 || z == 1) [2024-01-30 14:17:30,510 INFO L98 nessWitnessExtractor]: Location invariant before [L759-L759] (unsigned long )arg == 0UL [2024-01-30 14:17:30,510 INFO L98 nessWitnessExtractor]: Location invariant before [L734-L734] (unsigned long )arg == 0UL [2024-01-30 14:17:30,510 INFO L98 nessWitnessExtractor]: Location invariant before [L764-L764] (unsigned long )arg == 0UL [2024-01-30 14:17:30,510 INFO L98 nessWitnessExtractor]: Location invariant before [L747-L747] (unsigned long )arg == 0UL [2024-01-30 14:17:30,510 INFO L98 nessWitnessExtractor]: Location invariant before [L728-L728] (((((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p0_EBX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && (z == 0 || z == 1) [2024-01-30 14:17:30,510 INFO L98 nessWitnessExtractor]: Location invariant before [L737-L737] (unsigned long )arg == 0UL [2024-01-30 14:17:30,511 INFO L98 nessWitnessExtractor]: Location invariant before [L741-L741] (unsigned long )arg == 0UL [2024-01-30 14:17:30,511 INFO L98 nessWitnessExtractor]: Location invariant before [L767-L767] (unsigned long )arg == 0UL [2024-01-30 14:17:30,511 INFO L98 nessWitnessExtractor]: Location invariant before [L732-L732] (unsigned long )arg == 0UL [2024-01-30 14:17:30,511 INFO L98 nessWitnessExtractor]: Location invariant before [L735-L735] (((((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p0_EBX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && (z == 0 || z == 1) [2024-01-30 14:17:30,512 INFO L98 nessWitnessExtractor]: Location invariant before [L758-L758] (((((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p0_EBX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && (z == 0 || z == 1) [2024-01-30 14:17:30,512 INFO L98 nessWitnessExtractor]: Location invariant before [L756-L756] (unsigned long )arg == 0UL [2024-01-30 14:17:30,512 INFO L98 nessWitnessExtractor]: Location invariant before [L727-L727] (((((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p0_EBX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && (z == 0 || z == 1) [2024-01-30 14:17:30,512 INFO L98 nessWitnessExtractor]: Location invariant before [L742-L742] (((((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p0_EBX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && (z == 0 || z == 1) [2024-01-30 14:17:30,513 INFO L98 nessWitnessExtractor]: Location invariant before [L748-L748] (((((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p0_EBX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && (z == 0 || z == 1) [2024-01-30 14:17:30,556 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-30 14:17:30,697 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/safe012_tso.i[945,958] [2024-01-30 14:17:30,807 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-30 14:17:30,814 INFO L202 MainTranslator]: Completed pre-run [2024-01-30 14:17:30,822 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/safe012_tso.i[945,958] [2024-01-30 14:17:30,823 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 [2024-01-30 14:17:30,969 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-30 14:17:31,009 INFO L206 MainTranslator]: Completed translation [2024-01-30 14:17:31,010 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:17:31 WrapperNode [2024-01-30 14:17:31,010 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-30 14:17:31,011 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-30 14:17:31,011 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-30 14:17:31,011 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-30 14:17:31,016 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:17:31" (1/1) ... [2024-01-30 14:17:31,039 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:17:31" (1/1) ... [2024-01-30 14:17:31,064 INFO L138 Inliner]: procedures = 176, calls = 53, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 77 [2024-01-30 14:17:31,065 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-30 14:17:31,065 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-30 14:17:31,065 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-30 14:17:31,066 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-30 14:17:31,078 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:17:31" (1/1) ... [2024-01-30 14:17:31,078 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:17:31" (1/1) ... [2024-01-30 14:17:31,089 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:17:31" (1/1) ... [2024-01-30 14:17:31,107 INFO L175 MemorySlicer]: Split 5 memory accesses to 4 slices as follows [2, 1, 1, 1]. 40 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0]. The 3 writes are split as follows [0, 1, 1, 1]. [2024-01-30 14:17:31,107 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:17:31" (1/1) ... [2024-01-30 14:17:31,107 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:17:31" (1/1) ... [2024-01-30 14:17:31,117 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:17:31" (1/1) ... [2024-01-30 14:17:31,119 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:17:31" (1/1) ... [2024-01-30 14:17:31,121 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:17:31" (1/1) ... [2024-01-30 14:17:31,123 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:17:31" (1/1) ... [2024-01-30 14:17:31,126 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-30 14:17:31,127 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-30 14:17:31,127 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-30 14:17:31,127 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-30 14:17:31,128 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:17:31" (1/1) ... [2024-01-30 14:17:31,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-30 14:17:31,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-30 14:17:31,164 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-01-30 14:17:31,180 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-01-30 14:17:31,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-30 14:17:31,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-30 14:17:31,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-30 14:17:31,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-30 14:17:31,208 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-30 14:17:31,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-30 14:17:31,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-30 14:17:31,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-30 14:17:31,208 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-01-30 14:17:31,208 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-01-30 14:17:31,208 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-01-30 14:17:31,208 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-01-30 14:17:31,209 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-01-30 14:17:31,209 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-01-30 14:17:31,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-30 14:17:31,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-30 14:17:31,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-30 14:17:31,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-30 14:17:31,211 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-30 14:17:31,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-30 14:17:31,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-30 14:17:31,212 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-30 14:17:31,348 INFO L244 CfgBuilder]: Building ICFG [2024-01-30 14:17:31,350 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-30 14:17:31,863 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-30 14:17:31,864 INFO L293 CfgBuilder]: Performing block encoding [2024-01-30 14:17:32,071 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-30 14:17:32,072 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-01-30 14:17:32,073 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.01 02:17:32 BoogieIcfgContainer [2024-01-30 14:17:32,073 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-30 14:17:32,075 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-30 14:17:32,075 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-30 14:17:32,078 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-30 14:17:32,078 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.01 02:17:29" (1/4) ... [2024-01-30 14:17:32,079 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23978161 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.01 02:17:32, skipping insertion in model container [2024-01-30 14:17:32,079 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 30.01 02:17:30" (2/4) ... [2024-01-30 14:17:32,079 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23978161 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 30.01 02:17:32, skipping insertion in model container [2024-01-30 14:17:32,080 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:17:31" (3/4) ... [2024-01-30 14:17:32,080 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23978161 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 30.01 02:17:32, skipping insertion in model container [2024-01-30 14:17:32,081 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.01 02:17:32" (4/4) ... [2024-01-30 14:17:32,082 INFO L112 eAbstractionObserver]: Analyzing ICFG safe012_tso.i [2024-01-30 14:17:32,095 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-30 14:17:32,096 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 43 error locations. [2024-01-30 14:17:32,096 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-30 14:17:32,200 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-01-30 14:17:32,235 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 102 places, 93 transitions, 198 flow [2024-01-30 14:17:32,277 INFO L124 PetriNetUnfolderBase]: 1/90 cut-off events. [2024-01-30 14:17:32,278 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-30 14:17:32,282 INFO L83 FinitePrefix]: Finished finitePrefix Result has 100 conditions, 90 events. 1/90 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 364 event pairs, 0 based on Foata normal form. 0/46 useless extension candidates. Maximal degree in co-relation 90. Up to 2 conditions per place. [2024-01-30 14:17:32,282 INFO L82 GeneralOperation]: Start removeDead. Operand has 102 places, 93 transitions, 198 flow [2024-01-30 14:17:32,285 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 99 places, 90 transitions, 189 flow [2024-01-30 14:17:32,297 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-30 14:17:32,304 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;@4af5640d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-30 14:17:32,304 INFO L358 AbstractCegarLoop]: Starting to check reachability of 82 error locations. [2024-01-30 14:17:32,306 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-30 14:17:32,306 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-30 14:17:32,306 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-30 14:17:32,306 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-30 14:17:32,307 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-30 14:17:32,307 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 79 more)] === [2024-01-30 14:17:32,311 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-30 14:17:32,311 INFO L85 PathProgramCache]: Analyzing trace with hash 12952, now seen corresponding path program 1 times [2024-01-30 14:17:32,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-30 14:17:32,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111465077] [2024-01-30 14:17:32,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-30 14:17:32,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-30 14:17:32,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-30 14:17:32,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-30 14:17:32,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-30 14:17:32,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111465077] [2024-01-30 14:17:32,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111465077] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-30 14:17:32,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-30 14:17:32,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-30 14:17:32,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705138892] [2024-01-30 14:17:32,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-30 14:17:32,665 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-30 14:17:32,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-30 14:17:32,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-30 14:17:32,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-30 14:17:32,695 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 36 out of 93 [2024-01-30 14:17:32,698 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 90 transitions, 189 flow. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-30 14:17:32,699 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-30 14:17:32,699 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 36 of 93 [2024-01-30 14:17:32,700 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-30 14:17:38,133 INFO L124 PetriNetUnfolderBase]: 27543/44642 cut-off events. [2024-01-30 14:17:38,133 INFO L125 PetriNetUnfolderBase]: For 86/86 co-relation queries the response was YES. [2024-01-30 14:17:38,207 INFO L83 FinitePrefix]: Finished finitePrefix Result has 83122 conditions, 44642 events. 27543/44642 cut-off events. For 86/86 co-relation queries the response was YES. Maximal size of possible extension queue 2275. Compared 403882 event pairs, 13983 based on Foata normal form. 1000/27829 useless extension candidates. Maximal degree in co-relation 83109. Up to 37609 conditions per place. [2024-01-30 14:17:38,467 INFO L140 encePairwiseOnDemand]: 74/93 looper letters, 60 selfloop transitions, 4 changer transitions 0/97 dead transitions. [2024-01-30 14:17:38,467 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 97 transitions, 337 flow [2024-01-30 14:17:38,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-30 14:17:38,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-30 14:17:38,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 194 transitions. [2024-01-30 14:17:38,480 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6953405017921147 [2024-01-30 14:17:38,482 INFO L175 Difference]: Start difference. First operand has 99 places, 90 transitions, 189 flow. Second operand 3 states and 194 transitions. [2024-01-30 14:17:38,483 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 97 transitions, 337 flow [2024-01-30 14:17:38,488 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 97 transitions, 332 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-01-30 14:17:38,492 INFO L231 Difference]: Finished difference. Result has 87 places, 80 transitions, 188 flow [2024-01-30 14:17:38,493 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=160, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=188, PETRI_PLACES=87, PETRI_TRANSITIONS=80} [2024-01-30 14:17:38,497 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, -12 predicate places. [2024-01-30 14:17:38,498 INFO L495 AbstractCegarLoop]: Abstraction has has 87 places, 80 transitions, 188 flow [2024-01-30 14:17:38,499 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-30 14:17:38,499 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-30 14:17:38,499 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-01-30 14:17:38,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-30 14:17:38,505 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 79 more)] === [2024-01-30 14:17:38,506 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-30 14:17:38,506 INFO L85 PathProgramCache]: Analyzing trace with hash 386363150, now seen corresponding path program 1 times [2024-01-30 14:17:38,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-30 14:17:38,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881580676] [2024-01-30 14:17:38,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-30 14:17:38,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-30 14:17:38,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-30 14:17:38,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-30 14:17:38,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-30 14:17:38,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881580676] [2024-01-30 14:17:38,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881580676] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-30 14:17:38,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-30 14:17:38,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-30 14:17:38,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717009341] [2024-01-30 14:17:38,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-30 14:17:38,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-30 14:17:38,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-30 14:17:38,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-30 14:17:38,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-30 14:17:38,641 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 31 out of 93 [2024-01-30 14:17:38,642 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 80 transitions, 188 flow. Second operand has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-30 14:17:38,642 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-30 14:17:38,643 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 31 of 93 [2024-01-30 14:17:38,643 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-30 14:17:43,842 INFO L124 PetriNetUnfolderBase]: 30371/46765 cut-off events. [2024-01-30 14:17:43,842 INFO L125 PetriNetUnfolderBase]: For 4561/4561 co-relation queries the response was YES. [2024-01-30 14:17:43,939 INFO L83 FinitePrefix]: Finished finitePrefix Result has 94487 conditions, 46765 events. 30371/46765 cut-off events. For 4561/4561 co-relation queries the response was YES. Maximal size of possible extension queue 2202. Compared 410003 event pairs, 1769 based on Foata normal form. 4232/38365 useless extension candidates. Maximal degree in co-relation 94474. Up to 39308 conditions per place. [2024-01-30 14:17:44,131 INFO L140 encePairwiseOnDemand]: 86/93 looper letters, 80 selfloop transitions, 2 changer transitions 0/109 dead transitions. [2024-01-30 14:17:44,131 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 109 transitions, 428 flow [2024-01-30 14:17:44,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-30 14:17:44,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-30 14:17:44,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 206 transitions. [2024-01-30 14:17:44,138 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.553763440860215 [2024-01-30 14:17:44,138 INFO L175 Difference]: Start difference. First operand has 87 places, 80 transitions, 188 flow. Second operand 4 states and 206 transitions. [2024-01-30 14:17:44,138 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 109 transitions, 428 flow [2024-01-30 14:17:44,140 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 109 transitions, 422 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-30 14:17:44,142 INFO L231 Difference]: Finished difference. Result has 84 places, 75 transitions, 178 flow [2024-01-30 14:17:44,142 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=174, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=178, PETRI_PLACES=84, PETRI_TRANSITIONS=75} [2024-01-30 14:17:44,143 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, -15 predicate places. [2024-01-30 14:17:44,143 INFO L495 AbstractCegarLoop]: Abstraction has has 84 places, 75 transitions, 178 flow [2024-01-30 14:17:44,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-30 14:17:44,143 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-30 14:17:44,143 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-01-30 14:17:44,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-30 14:17:44,144 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 79 more)] === [2024-01-30 14:17:44,144 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-30 14:17:44,144 INFO L85 PathProgramCache]: Analyzing trace with hash -907643789, now seen corresponding path program 1 times [2024-01-30 14:17:44,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-30 14:17:44,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4029902] [2024-01-30 14:17:44,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-30 14:17:44,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-30 14:17:44,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-30 14:17:44,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-30 14:17:44,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-30 14:17:44,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4029902] [2024-01-30 14:17:44,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4029902] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-30 14:17:44,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-30 14:17:44,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-30 14:17:44,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793027585] [2024-01-30 14:17:44,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-30 14:17:44,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-01-30 14:17:44,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-30 14:17:44,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-01-30 14:17:44,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-01-30 14:17:44,481 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 93 [2024-01-30 14:17:44,482 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 75 transitions, 178 flow. Second operand has 5 states, 5 states have (on average 27.2) internal successors, (136), 5 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-30 14:17:44,482 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-30 14:17:44,482 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 93 [2024-01-30 14:17:44,483 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-30 14:17:50,904 INFO L124 PetriNetUnfolderBase]: 41387/64340 cut-off events. [2024-01-30 14:17:50,905 INFO L125 PetriNetUnfolderBase]: For 6482/6482 co-relation queries the response was YES. [2024-01-30 14:17:51,056 INFO L83 FinitePrefix]: Finished finitePrefix Result has 129455 conditions, 64340 events. 41387/64340 cut-off events. For 6482/6482 co-relation queries the response was YES. Maximal size of possible extension queue 3164. Compared 567878 event pairs, 23353 based on Foata normal form. 30/45473 useless extension candidates. Maximal degree in co-relation 129441. Up to 56539 conditions per place. [2024-01-30 14:17:51,330 INFO L140 encePairwiseOnDemand]: 84/93 looper letters, 75 selfloop transitions, 7 changer transitions 0/105 dead transitions. [2024-01-30 14:17:51,331 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 105 transitions, 416 flow [2024-01-30 14:17:51,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-30 14:17:51,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-30 14:17:51,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 190 transitions. [2024-01-30 14:17:51,332 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.510752688172043 [2024-01-30 14:17:51,332 INFO L175 Difference]: Start difference. First operand has 84 places, 75 transitions, 178 flow. Second operand 4 states and 190 transitions. [2024-01-30 14:17:51,332 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 105 transitions, 416 flow [2024-01-30 14:17:51,333 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 105 transitions, 412 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-30 14:17:51,335 INFO L231 Difference]: Finished difference. Result has 87 places, 78 transitions, 217 flow [2024-01-30 14:17:51,335 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=175, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=217, PETRI_PLACES=87, PETRI_TRANSITIONS=78} [2024-01-30 14:17:51,335 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, -12 predicate places. [2024-01-30 14:17:51,335 INFO L495 AbstractCegarLoop]: Abstraction has has 87 places, 78 transitions, 217 flow [2024-01-30 14:17:51,336 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.2) internal successors, (136), 5 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-30 14:17:51,336 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-30 14:17:51,336 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-01-30 14:17:51,336 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-30 14:17:51,336 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 79 more)] === [2024-01-30 14:17:51,336 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-30 14:17:51,336 INFO L85 PathProgramCache]: Analyzing trace with hash 1927668568, now seen corresponding path program 1 times [2024-01-30 14:17:51,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-30 14:17:51,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516197330] [2024-01-30 14:17:51,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-30 14:17:51,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-30 14:17:51,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-30 14:17:51,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-30 14:17:51,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-30 14:17:51,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516197330] [2024-01-30 14:17:51,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516197330] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-30 14:17:51,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-30 14:17:51,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-30 14:17:51,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166515412] [2024-01-30 14:17:51,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-30 14:17:51,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-30 14:17:51,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-30 14:17:51,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-30 14:17:51,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-30 14:17:51,412 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 31 out of 93 [2024-01-30 14:17:51,413 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 78 transitions, 217 flow. Second operand has 4 states, 4 states have (on average 32.75) internal successors, (131), 4 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-30 14:17:51,413 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-30 14:17:51,413 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 31 of 93 [2024-01-30 14:17:51,413 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-30 14:17:56,884 INFO L124 PetriNetUnfolderBase]: 31232/49290 cut-off events. [2024-01-30 14:17:56,884 INFO L125 PetriNetUnfolderBase]: For 9089/9131 co-relation queries the response was YES. [2024-01-30 14:17:57,006 INFO L83 FinitePrefix]: Finished finitePrefix Result has 103254 conditions, 49290 events. 31232/49290 cut-off events. For 9089/9131 co-relation queries the response was YES. Maximal size of possible extension queue 2415. Compared 430073 event pairs, 19267 based on Foata normal form. 4612/42160 useless extension candidates. Maximal degree in co-relation 103238. Up to 41460 conditions per place. [2024-01-30 14:17:57,216 INFO L140 encePairwiseOnDemand]: 86/93 looper letters, 86 selfloop transitions, 2 changer transitions 0/111 dead transitions. [2024-01-30 14:17:57,217 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 111 transitions, 497 flow [2024-01-30 14:17:57,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-30 14:17:57,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-30 14:17:57,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 209 transitions. [2024-01-30 14:17:57,224 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5618279569892473 [2024-01-30 14:17:57,224 INFO L175 Difference]: Start difference. First operand has 87 places, 78 transitions, 217 flow. Second operand 4 states and 209 transitions. [2024-01-30 14:17:57,224 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 111 transitions, 497 flow [2024-01-30 14:17:57,226 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 111 transitions, 477 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-30 14:17:57,229 INFO L231 Difference]: Finished difference. Result has 83 places, 73 transitions, 199 flow [2024-01-30 14:17:57,229 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=195, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=199, PETRI_PLACES=83, PETRI_TRANSITIONS=73} [2024-01-30 14:17:57,231 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, -16 predicate places. [2024-01-30 14:17:57,231 INFO L495 AbstractCegarLoop]: Abstraction has has 83 places, 73 transitions, 199 flow [2024-01-30 14:17:57,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.75) internal successors, (131), 4 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-30 14:17:57,231 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-30 14:17:57,231 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-01-30 14:17:57,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-01-30 14:17:57,232 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 79 more)] === [2024-01-30 14:17:57,232 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-30 14:17:57,232 INFO L85 PathProgramCache]: Analyzing trace with hash -371816065, now seen corresponding path program 1 times [2024-01-30 14:17:57,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-30 14:17:57,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058337623] [2024-01-30 14:17:57,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-30 14:17:57,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-30 14:17:57,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-30 14:17:57,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-30 14:17:57,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-30 14:17:57,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058337623] [2024-01-30 14:17:57,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058337623] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-30 14:17:57,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-30 14:17:57,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-30 14:17:57,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942115143] [2024-01-30 14:17:57,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-30 14:17:57,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-01-30 14:17:57,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-30 14:17:57,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-01-30 14:17:57,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-01-30 14:17:57,513 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 93 [2024-01-30 14:17:57,513 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 73 transitions, 199 flow. Second operand has 5 states, 5 states have (on average 27.6) internal successors, (138), 5 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-30 14:17:57,513 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-30 14:17:57,514 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 93 [2024-01-30 14:17:57,514 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand