./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/safe021_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/safe021_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/safe021_tso.i ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/safe021_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 14:18:05,864 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-30 14:18:05,925 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-30 14:18:05,930 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-30 14:18:05,930 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-30 14:18:05,958 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-30 14:18:05,959 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-30 14:18:05,959 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-30 14:18:05,960 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-30 14:18:05,963 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-30 14:18:05,963 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-30 14:18:05,963 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-30 14:18:05,964 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-30 14:18:05,965 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-30 14:18:05,965 INFO L153 SettingsManager]: * Use SBE=true [2024-01-30 14:18:05,965 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-30 14:18:05,966 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-30 14:18:05,966 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-30 14:18:05,966 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-30 14:18:05,966 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-30 14:18:05,966 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-30 14:18:05,967 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-30 14:18:05,967 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-30 14:18:05,967 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-30 14:18:05,967 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-30 14:18:05,967 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-30 14:18:05,968 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-30 14:18:05,968 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-30 14:18:05,968 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-30 14:18:05,969 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-30 14:18:05,969 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-30 14:18:05,969 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-30 14:18:05,970 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-30 14:18:05,970 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-30 14:18:05,970 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-30 14:18:05,970 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-30 14:18:05,970 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-30 14:18:05,971 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-30 14:18:05,971 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-30 14:18:05,971 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-30 14:18:05,971 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-30 14:18:05,971 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-30 14:18:05,971 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-30 14:18:05,972 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-30 14:18:06,212 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-30 14:18:06,234 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-30 14:18:06,236 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-30 14:18:06,237 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-30 14:18:06,237 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-30 14:18:06,238 INFO L431 ainManager$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/safe021_tso.yml/witness.yml [2024-01-30 14:18:06,499 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-30 14:18:06,500 INFO L274 PluginConnector]: CDTParser initialized [2024-01-30 14:18:06,501 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe021_tso.i [2024-01-30 14:18:07,585 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-30 14:18:07,778 INFO L384 CDTParser]: Found 1 translation units. [2024-01-30 14:18:07,779 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe021_tso.i [2024-01-30 14:18:07,790 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a063dd81e/0641fa1a88a34574b05f131cb0335367/FLAG7772623f5 [2024-01-30 14:18:07,800 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a063dd81e/0641fa1a88a34574b05f131cb0335367 [2024-01-30 14:18:07,801 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-30 14:18:07,802 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-30 14:18:07,803 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-30 14:18:07,803 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-30 14:18:07,806 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-30 14:18:07,807 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 30.01 02:18:06" (1/2) ... [2024-01-30 14:18:07,808 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ae2b078 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:18:07, skipping insertion in model container [2024-01-30 14:18:07,808 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 30.01 02:18:06" (1/2) ... [2024-01-30 14:18:07,809 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4bcb18b8 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:18:07, skipping insertion in model container [2024-01-30 14:18:07,812 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.01 02:18:07" (2/2) ... [2024-01-30 14:18:07,812 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ae2b078 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:18:07, skipping insertion in model container [2024-01-30 14:18:07,812 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.01 02:18:07" (2/2) ... [2024-01-30 14:18:07,813 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-30 14:18:08,062 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-30 14:18:08,063 INFO L98 nessWitnessExtractor]: Location invariant before [L761-L761] (((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p2_EAX)) && (0 <= __unbuffered_p2_EBX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p2_EAX <= 1)) && (__unbuffered_p2_EBX <= 1)) && (x <= 2)) && (x <= 127)) && (y <= 1)) && (z <= 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 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)) && ((x == 0 || x == 1) || x == 2) [2024-01-30 14:18:08,064 INFO L98 nessWitnessExtractor]: Location invariant before [L745-L745] (unsigned long )arg == 0UL [2024-01-30 14:18:08,064 INFO L98 nessWitnessExtractor]: Location invariant before [L735-L735] (unsigned long )arg == 0UL [2024-01-30 14:18:08,064 INFO L98 nessWitnessExtractor]: Location invariant before [L730-L730] (unsigned long )arg == 0UL [2024-01-30 14:18:08,064 INFO L98 nessWitnessExtractor]: Location invariant before [L750-L750] (unsigned long )arg == 0UL [2024-01-30 14:18:08,064 INFO L98 nessWitnessExtractor]: Location invariant before [L729-L729] ((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p2_EAX)) && (0 <= __unbuffered_p2_EBX)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p2_EAX <= 1)) && (__unbuffered_p2_EBX <= 1)) && (y <= 1)) && (z <= 1)) && (x == 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 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 14:18:08,064 INFO L98 nessWitnessExtractor]: Location invariant before [L741-L741] ((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p2_EAX)) && (0 <= __unbuffered_p2_EBX)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p2_EAX <= 1)) && (__unbuffered_p2_EBX <= 1)) && (y <= 1)) && (z <= 1)) && (x == 2)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 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 14:18:08,065 INFO L98 nessWitnessExtractor]: Location invariant before [L760-L760] (unsigned long )arg == 0UL [2024-01-30 14:18:08,065 INFO L98 nessWitnessExtractor]: Location invariant before [L747-L747] (unsigned long )arg == 0UL [2024-01-30 14:18:08,065 INFO L98 nessWitnessExtractor]: Location invariant before [L765-L765] (unsigned long )arg == 0UL [2024-01-30 14:18:08,065 INFO L98 nessWitnessExtractor]: Location invariant before [L733-L733] (((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p2_EAX)) && (0 <= __unbuffered_p2_EBX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p2_EAX <= 1)) && (__unbuffered_p2_EBX <= 1)) && (x <= 2)) && (x <= 127)) && (y <= 1)) && (z <= 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 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)) && ((x == 0 || x == 1) || x == 2) [2024-01-30 14:18:08,065 INFO L98 nessWitnessExtractor]: Location invariant before [L785-L785] ((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p2_EAX)) && (0 <= __unbuffered_p2_EBX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p2_EAX <= 1)) && (__unbuffered_p2_EBX <= 1)) && (x <= 2)) && (x <= 127)) && (y <= 1)) && (z <= 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 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)) && ((x == 0 || x == 1) || x == 2) [2024-01-30 14:18:08,065 INFO L98 nessWitnessExtractor]: Location invariant before [L789-L789] ((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p2_EAX)) && (0 <= __unbuffered_p2_EBX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p2_EAX <= 1)) && (__unbuffered_p2_EBX <= 1)) && (x <= 2)) && (x <= 127)) && (y <= 1)) && (z <= 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 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)) && ((x == 0 || x == 1) || x == 2) [2024-01-30 14:18:08,065 INFO L98 nessWitnessExtractor]: Location invariant before [L792-L792] ((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p2_EAX)) && (0 <= __unbuffered_p2_EBX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p2_EAX <= 1)) && (__unbuffered_p2_EBX <= 1)) && (x <= 2)) && (x <= 127)) && (y <= 1)) && (z <= 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 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)) && ((x == 0 || x == 1) || x == 2) [2024-01-30 14:18:08,065 INFO L98 nessWitnessExtractor]: Location invariant before [L744-L744] (((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p2_EAX)) && (0 <= __unbuffered_p2_EBX)) && (0 <= x)) && (0 <= z)) && (__unbuffered_p2_EAX <= 1)) && (__unbuffered_p2_EBX <= 1)) && (x <= 2)) && (x <= 127)) && (z <= 1)) && (y == 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (z == 0 || z == 1)) && ((x == 0 || x == 1) || x == 2) [2024-01-30 14:18:08,066 INFO L98 nessWitnessExtractor]: Location invariant before [L724-L724] (unsigned long )arg == 0UL [2024-01-30 14:18:08,066 INFO L98 nessWitnessExtractor]: Location invariant before [L749-L749] (((((((((((((((((((0 <= __unbuffered_p2_EAX) && (0 <= __unbuffered_p2_EBX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (1 <= __unbuffered_cnt)) && (__unbuffered_p2_EAX <= 1)) && (__unbuffered_p2_EBX <= 1)) && (x <= 2)) && (x <= 127)) && (y <= 1)) && (z <= 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 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)) && ((x == 0 || x == 1) || x == 2) [2024-01-30 14:18:08,066 INFO L98 nessWitnessExtractor]: Location invariant before [L740-L740] (((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p2_EAX)) && (0 <= __unbuffered_p2_EBX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p2_EAX <= 1)) && (__unbuffered_p2_EBX <= 1)) && (x <= 2)) && (x <= 127)) && (y <= 1)) && (z <= 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 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)) && ((x == 0 || x == 1) || x == 2) [2024-01-30 14:18:08,066 INFO L98 nessWitnessExtractor]: Location invariant before [L739-L739] (unsigned long )arg == 0UL [2024-01-30 14:18:08,066 INFO L98 nessWitnessExtractor]: Location invariant before [L764-L764] (((((((((((((((((((0 <= __unbuffered_p2_EAX) && (0 <= __unbuffered_p2_EBX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (1 <= __unbuffered_cnt)) && (__unbuffered_p2_EAX <= 1)) && (__unbuffered_p2_EBX <= 1)) && (x <= 2)) && (x <= 127)) && (y <= 1)) && (z <= 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 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)) && ((x == 0 || x == 1) || x == 2) [2024-01-30 14:18:08,066 INFO L98 nessWitnessExtractor]: Location invariant before [L725-L725] (((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p2_EAX)) && (0 <= __unbuffered_p2_EBX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p2_EAX <= 1)) && (__unbuffered_p2_EBX <= 1)) && (x <= 2)) && (x <= 127)) && (y <= 1)) && (z <= 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 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)) && ((x == 0 || x == 1) || x == 2) [2024-01-30 14:18:08,067 INFO L98 nessWitnessExtractor]: Location invariant before [L763-L763] (((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p2_EAX)) && (0 <= __unbuffered_p2_EBX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p2_EAX <= 1)) && (__unbuffered_p2_EBX <= 1)) && (x <= 2)) && (x <= 127)) && (y <= 1)) && (z <= 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 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)) && ((x == 0 || x == 1) || x == 2) [2024-01-30 14:18:08,067 INFO L98 nessWitnessExtractor]: Location invariant before [L731-L731] (((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p2_EAX)) && (0 <= __unbuffered_p2_EBX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p2_EAX <= 1)) && (__unbuffered_p2_EBX <= 1)) && (x <= 2)) && (x <= 127)) && (y <= 1)) && (z <= 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 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)) && ((x == 0 || x == 1) || x == 2) [2024-01-30 14:18:08,067 INFO L98 nessWitnessExtractor]: Location invariant before [L734-L734] (((((((((((((((((((0 <= __unbuffered_p2_EAX) && (0 <= __unbuffered_p2_EBX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (1 <= __unbuffered_cnt)) && (__unbuffered_p2_EAX <= 1)) && (__unbuffered_p2_EBX <= 1)) && (x <= 2)) && (x <= 127)) && (y <= 1)) && (z <= 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 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)) && ((x == 0 || x == 1) || x == 2) [2024-01-30 14:18:08,068 INFO L98 nessWitnessExtractor]: Location invariant before [L759-L759] (((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p2_EAX)) && (0 <= __unbuffered_p2_EBX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p2_EAX <= 1)) && (__unbuffered_p2_EBX <= 1)) && (x <= 2)) && (x <= 127)) && (y <= 1)) && (z <= 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 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)) && ((x == 0 || x == 1) || x == 2) [2024-01-30 14:18:08,068 INFO L98 nessWitnessExtractor]: Location invariant before [L746-L746] (((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p2_EAX)) && (0 <= __unbuffered_p2_EBX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p2_EAX <= 1)) && (__unbuffered_p2_EBX <= 1)) && (x <= 2)) && (x <= 127)) && (y <= 1)) && (z <= 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 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)) && ((x == 0 || x == 1) || x == 2) [2024-01-30 14:18:08,068 INFO L98 nessWitnessExtractor]: Location invariant before [L755-L755] (((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p2_EAX)) && (0 <= __unbuffered_p2_EBX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p2_EAX <= 1)) && (__unbuffered_p2_EBX <= 1)) && (x <= 2)) && (x <= 127)) && (y <= 1)) && (z <= 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 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)) && ((x == 0 || x == 1) || x == 2) [2024-01-30 14:18:08,068 INFO L98 nessWitnessExtractor]: Location invariant before [L727-L727] (unsigned long )arg == 0UL [2024-01-30 14:18:08,068 INFO L98 nessWitnessExtractor]: Location invariant before [L756-L756] (((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p2_EAX)) && (0 <= __unbuffered_p2_EBX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p2_EAX <= 1)) && (__unbuffered_p2_EBX <= 1)) && (x <= 2)) && (x <= 127)) && (y <= 1)) && (z <= 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 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)) && ((x == 0 || x == 1) || x == 2) [2024-01-30 14:18:08,068 INFO L98 nessWitnessExtractor]: Location invariant before [L791-L791] (((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p2_EBX)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p2_EBX <= 1)) && (y <= 1)) && (z <= 1)) && (x == 2)) && (__unbuffered_p2_EAX == 1 || ((0 <= __unbuffered_p2_EAX && __unbuffered_p2_EAX <= 1) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)))) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 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 14:18:08,068 INFO L98 nessWitnessExtractor]: Location invariant before [L757-L757] (unsigned long )arg == 0UL [2024-01-30 14:18:08,068 INFO L98 nessWitnessExtractor]: Location invariant before [L732-L732] (unsigned long )arg == 0UL [2024-01-30 14:18:08,069 INFO L98 nessWitnessExtractor]: Location invariant before [L18-L18] ((((0 <= expression) && (expression <= 1)) && (expression == 0 || expression == 1)) && (expression == 1)) && (expression == 0) [2024-01-30 14:18:08,069 INFO L98 nessWitnessExtractor]: Location invariant before [L743-L743] (((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p2_EAX)) && (0 <= __unbuffered_p2_EBX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p2_EAX <= 1)) && (__unbuffered_p2_EBX <= 1)) && (x <= 2)) && (x <= 127)) && (y <= 1)) && (z <= 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 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)) && ((x == 0 || x == 1) || x == 2) [2024-01-30 14:18:08,069 INFO L98 nessWitnessExtractor]: Location invariant before [L742-L742] (unsigned long )arg == 0UL [2024-01-30 14:18:08,069 INFO L98 nessWitnessExtractor]: Location invariant before [L726-L726] (((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p2_EAX)) && (0 <= __unbuffered_p2_EBX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p2_EAX <= 1)) && (__unbuffered_p2_EBX <= 1)) && (x <= 2)) && (x <= 127)) && (y <= 1)) && (z == 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 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)) && ((x == 0 || x == 1) || x == 2) [2024-01-30 14:18:08,070 INFO L98 nessWitnessExtractor]: Location invariant before [L748-L748] (((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p2_EAX)) && (0 <= __unbuffered_p2_EBX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p2_EAX <= 1)) && (__unbuffered_p2_EBX <= 1)) && (x <= 2)) && (x <= 127)) && (y <= 1)) && (z <= 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 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)) && ((x == 0 || x == 1) || x == 2) [2024-01-30 14:18:08,070 INFO L98 nessWitnessExtractor]: Location invariant before [L762-L762] (unsigned long )arg == 0UL [2024-01-30 14:18:08,071 INFO L98 nessWitnessExtractor]: Location invariant before [L728-L728] (((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p2_EAX)) && (0 <= __unbuffered_p2_EBX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p2_EAX <= 1)) && (__unbuffered_p2_EBX <= 1)) && (x <= 2)) && (x <= 127)) && (y <= 1)) && (z <= 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 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)) && ((x == 0 || x == 1) || x == 2) [2024-01-30 14:18:08,071 INFO L98 nessWitnessExtractor]: Location invariant before [L754-L754] (unsigned long )arg == 0UL [2024-01-30 14:18:08,071 INFO L98 nessWitnessExtractor]: Location invariant before [L779-L779] (((((((__unbuffered_cnt == 0) && (__unbuffered_p2_EAX == 0)) && (__unbuffered_p2_EBX == 0)) && (main$tmp_guard0 == (_Bool)0)) && (main$tmp_guard1 == (_Bool)0)) && (x == 0)) && (y == 0)) && (z == 0) [2024-01-30 14:18:08,071 INFO L98 nessWitnessExtractor]: Location invariant before [L786-L786] ((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p2_EAX)) && (0 <= __unbuffered_p2_EBX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p2_EAX <= 1)) && (__unbuffered_p2_EBX <= 1)) && (x <= 2)) && (x <= 127)) && (y <= 1)) && (z <= 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 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)) && ((x == 0 || x == 1) || x == 2) [2024-01-30 14:18:08,071 INFO L98 nessWitnessExtractor]: Location invariant before [L758-L758] (((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p2_EAX)) && (0 <= __unbuffered_p2_EBX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p2_EAX <= 1)) && (__unbuffered_p2_EBX <= 1)) && (x <= 2)) && (x <= 127)) && (y <= 1)) && (z <= 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 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)) && ((x == 0 || x == 1) || x == 2) [2024-01-30 14:18:08,111 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-30 14:18:08,254 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/safe021_tso.i[945,958] [2024-01-30 14:18:08,391 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-30 14:18:08,398 INFO L202 MainTranslator]: Completed pre-run [2024-01-30 14:18:08,410 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/safe021_tso.i[945,958] [2024-01-30 14:18:08,410 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 14:18:08,549 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-30 14:18:08,575 INFO L206 MainTranslator]: Completed translation [2024-01-30 14:18:08,575 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:18:08 WrapperNode [2024-01-30 14:18:08,576 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-30 14:18:08,576 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-30 14:18:08,576 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-30 14:18:08,577 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-30 14:18:08,582 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:18:08" (1/1) ... [2024-01-30 14:18:08,611 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:18:08" (1/1) ... [2024-01-30 14:18:08,648 INFO L138 Inliner]: procedures = 176, calls = 53, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 76 [2024-01-30 14:18:08,649 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-30 14:18:08,649 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-30 14:18:08,650 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-30 14:18:08,650 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-30 14:18:08,660 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:18:08" (1/1) ... [2024-01-30 14:18:08,660 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:18:08" (1/1) ... [2024-01-30 14:18:08,663 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:18:08" (1/1) ... [2024-01-30 14:18:08,678 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 14:18:08,692 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:18:08" (1/1) ... [2024-01-30 14:18:08,692 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:18:08" (1/1) ... [2024-01-30 14:18:08,702 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:18:08" (1/1) ... [2024-01-30 14:18:08,721 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:18:08" (1/1) ... [2024-01-30 14:18:08,723 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:18:08" (1/1) ... [2024-01-30 14:18:08,734 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:18:08" (1/1) ... [2024-01-30 14:18:08,737 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-30 14:18:08,739 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-30 14:18:08,739 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-30 14:18:08,740 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-30 14:18:08,740 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:18:08" (1/1) ... [2024-01-30 14:18:08,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-30 14:18:08,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-30 14:18:08,763 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 14:18:08,782 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 14:18:08,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-30 14:18:08,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-30 14:18:08,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-30 14:18:08,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-30 14:18:08,797 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-30 14:18:08,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-30 14:18:08,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-30 14:18:08,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-30 14:18:08,797 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-01-30 14:18:08,797 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-01-30 14:18:08,797 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-01-30 14:18:08,798 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-01-30 14:18:08,798 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-01-30 14:18:08,798 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-01-30 14:18:08,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-30 14:18:08,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-30 14:18:08,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-30 14:18:08,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-30 14:18:08,800 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-30 14:18:08,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-30 14:18:08,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-30 14:18:08,802 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 14:18:08,914 INFO L244 CfgBuilder]: Building ICFG [2024-01-30 14:18:08,916 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-30 14:18:09,379 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-30 14:18:09,380 INFO L293 CfgBuilder]: Performing block encoding [2024-01-30 14:18:09,577 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-30 14:18:09,578 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-01-30 14:18:09,578 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.01 02:18:09 BoogieIcfgContainer [2024-01-30 14:18:09,579 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-30 14:18:09,581 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-30 14:18:09,581 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-30 14:18:09,584 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-30 14:18:09,585 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 30.01 02:18:06" (1/4) ... [2024-01-30 14:18:09,585 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e7e5b6a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 30.01 02:18:09, skipping insertion in model container [2024-01-30 14:18:09,585 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.01 02:18:07" (2/4) ... [2024-01-30 14:18:09,586 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e7e5b6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.01 02:18:09, skipping insertion in model container [2024-01-30 14:18:09,587 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:18:08" (3/4) ... [2024-01-30 14:18:09,588 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e7e5b6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.01 02:18:09, skipping insertion in model container [2024-01-30 14:18:09,588 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.01 02:18:09" (4/4) ... [2024-01-30 14:18:09,589 INFO L112 eAbstractionObserver]: Analyzing ICFG safe021_tso.i [2024-01-30 14:18:09,604 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-30 14:18:09,604 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 43 error locations. [2024-01-30 14:18:09,604 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-30 14:18:09,713 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-01-30 14:18:09,745 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 102 places, 93 transitions, 198 flow [2024-01-30 14:18:09,789 INFO L124 PetriNetUnfolderBase]: 1/90 cut-off events. [2024-01-30 14:18:09,790 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-30 14:18:09,796 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 375 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 14:18:09,797 INFO L82 GeneralOperation]: Start removeDead. Operand has 102 places, 93 transitions, 198 flow [2024-01-30 14:18:09,800 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 99 places, 90 transitions, 189 flow [2024-01-30 14:18:09,813 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-30 14:18:09,820 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;@2b12156e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-30 14:18:09,820 INFO L358 AbstractCegarLoop]: Starting to check reachability of 82 error locations. [2024-01-30 14:18:09,822 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-30 14:18:09,822 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-30 14:18:09,823 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-30 14:18:09,823 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-30 14:18:09,823 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-30 14:18:09,824 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 14:18:09,827 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-30 14:18:09,828 INFO L85 PathProgramCache]: Analyzing trace with hash 13012, now seen corresponding path program 1 times [2024-01-30 14:18:09,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-30 14:18:09,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734386728] [2024-01-30 14:18:09,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-30 14:18:09,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-30 14:18:10,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-30 14:18:10,225 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 14:18:10,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-30 14:18:10,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734386728] [2024-01-30 14:18:10,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734386728] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-30 14:18:10,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-30 14:18:10,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-30 14:18:10,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414694013] [2024-01-30 14:18:10,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-30 14:18:10,241 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-30 14:18:10,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-30 14:18:10,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-30 14:18:10,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-30 14:18:10,273 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 36 out of 93 [2024-01-30 14:18:10,276 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 14:18:10,276 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-30 14:18:10,277 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 36 of 93 [2024-01-30 14:18:10,278 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-30 14:18:15,506 INFO L124 PetriNetUnfolderBase]: 28311/44722 cut-off events. [2024-01-30 14:18:15,506 INFO L125 PetriNetUnfolderBase]: For 104/104 co-relation queries the response was YES. [2024-01-30 14:18:15,612 INFO L83 FinitePrefix]: Finished finitePrefix Result has 84226 conditions, 44722 events. 28311/44722 cut-off events. For 104/104 co-relation queries the response was YES. Maximal size of possible extension queue 2188. Compared 394774 event pairs, 15911 based on Foata normal form. 1000/28011 useless extension candidates. Maximal degree in co-relation 84213. Up to 39009 conditions per place. [2024-01-30 14:18:15,860 INFO L140 encePairwiseOnDemand]: 74/93 looper letters, 58 selfloop transitions, 4 changer transitions 0/95 dead transitions. [2024-01-30 14:18:15,861 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 95 transitions, 329 flow [2024-01-30 14:18:15,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-30 14:18:15,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-30 14:18:15,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 191 transitions. [2024-01-30 14:18:15,871 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6845878136200717 [2024-01-30 14:18:15,872 INFO L175 Difference]: Start difference. First operand has 99 places, 90 transitions, 189 flow. Second operand 3 states and 191 transitions. [2024-01-30 14:18:15,873 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 95 transitions, 329 flow [2024-01-30 14:18:15,876 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 95 transitions, 324 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-01-30 14:18:15,878 INFO L231 Difference]: Finished difference. Result has 87 places, 80 transitions, 188 flow [2024-01-30 14:18:15,880 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 14:18:15,882 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, -12 predicate places. [2024-01-30 14:18:15,883 INFO L495 AbstractCegarLoop]: Abstraction has has 87 places, 80 transitions, 188 flow [2024-01-30 14:18:15,883 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 14:18:15,883 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-30 14:18:15,883 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-01-30 14:18:15,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-30 14:18:15,884 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 79 more)] === [2024-01-30 14:18:15,885 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-30 14:18:15,885 INFO L85 PathProgramCache]: Analyzing trace with hash 388148624, now seen corresponding path program 1 times [2024-01-30 14:18:15,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-30 14:18:15,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856066660] [2024-01-30 14:18:15,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-30 14:18:15,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-30 14:18:15,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-30 14:18:15,995 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 14:18:15,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-30 14:18:15,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856066660] [2024-01-30 14:18:15,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856066660] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-30 14:18:15,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-30 14:18:15,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-30 14:18:15,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162517160] [2024-01-30 14:18:15,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-30 14:18:15,998 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-30 14:18:15,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-30 14:18:15,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-30 14:18:15,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-30 14:18:16,016 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 31 out of 93 [2024-01-30 14:18:16,018 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 14:18:16,018 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-30 14:18:16,018 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 31 of 93 [2024-01-30 14:18:16,018 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-30 14:18:21,113 INFO L124 PetriNetUnfolderBase]: 30947/48203 cut-off events. [2024-01-30 14:18:21,113 INFO L125 PetriNetUnfolderBase]: For 4158/4158 co-relation queries the response was YES. [2024-01-30 14:18:21,229 INFO L83 FinitePrefix]: Finished finitePrefix Result has 96809 conditions, 48203 events. 30947/48203 cut-off events. For 4158/4158 co-relation queries the response was YES. Maximal size of possible extension queue 2263. Compared 418144 event pairs, 16705 based on Foata normal form. 4360/38265 useless extension candidates. Maximal degree in co-relation 96796. Up to 40268 conditions per place. [2024-01-30 14:18:21,472 INFO L140 encePairwiseOnDemand]: 86/93 looper letters, 80 selfloop transitions, 2 changer transitions 0/109 dead transitions. [2024-01-30 14:18:21,473 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 109 transitions, 428 flow [2024-01-30 14:18:21,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-30 14:18:21,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-30 14:18:21,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 206 transitions. [2024-01-30 14:18:21,479 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.553763440860215 [2024-01-30 14:18:21,479 INFO L175 Difference]: Start difference. First operand has 87 places, 80 transitions, 188 flow. Second operand 4 states and 206 transitions. [2024-01-30 14:18:21,479 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 109 transitions, 428 flow [2024-01-30 14:18:21,482 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 14:18:21,483 INFO L231 Difference]: Finished difference. Result has 84 places, 75 transitions, 178 flow [2024-01-30 14:18:21,483 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 14:18:21,484 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, -15 predicate places. [2024-01-30 14:18:21,484 INFO L495 AbstractCegarLoop]: Abstraction has has 84 places, 75 transitions, 178 flow [2024-01-30 14:18:21,484 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 14:18:21,485 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-30 14:18:21,485 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-01-30 14:18:21,485 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-30 14:18:21,485 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 79 more)] === [2024-01-30 14:18:21,486 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-30 14:18:21,486 INFO L85 PathProgramCache]: Analyzing trace with hash -852294097, now seen corresponding path program 1 times [2024-01-30 14:18:21,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-30 14:18:21,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216978006] [2024-01-30 14:18:21,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-30 14:18:21,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-30 14:18:21,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-30 14:18:21,782 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 14:18:21,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-30 14:18:21,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216978006] [2024-01-30 14:18:21,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216978006] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-30 14:18:21,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-30 14:18:21,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-30 14:18:21,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821172912] [2024-01-30 14:18:21,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-30 14:18:21,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-01-30 14:18:21,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-30 14:18:21,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-01-30 14:18:21,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-01-30 14:18:21,813 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 93 [2024-01-30 14:18:21,814 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 14:18:21,814 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-30 14:18:21,814 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 93 [2024-01-30 14:18:21,814 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-30 14:18:28,121 INFO L124 PetriNetUnfolderBase]: 42505/64992 cut-off events. [2024-01-30 14:18:28,121 INFO L125 PetriNetUnfolderBase]: For 6656/6661 co-relation queries the response was YES. [2024-01-30 14:18:28,271 INFO L83 FinitePrefix]: Finished finitePrefix Result has 131933 conditions, 64992 events. 42505/64992 cut-off events. For 6656/6661 co-relation queries the response was YES. Maximal size of possible extension queue 2963. Compared 559348 event pairs, 23927 based on Foata normal form. 57/47042 useless extension candidates. Maximal degree in co-relation 131919. Up to 58343 conditions per place. [2024-01-30 14:18:28,525 INFO L140 encePairwiseOnDemand]: 87/93 looper letters, 77 selfloop transitions, 7 changer transitions 0/107 dead transitions. [2024-01-30 14:18:28,526 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 107 transitions, 424 flow [2024-01-30 14:18:28,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-30 14:18:28,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-30 14:18:28,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 189 transitions. [2024-01-30 14:18:28,528 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5080645161290323 [2024-01-30 14:18:28,528 INFO L175 Difference]: Start difference. First operand has 84 places, 75 transitions, 178 flow. Second operand 4 states and 189 transitions. [2024-01-30 14:18:28,528 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 107 transitions, 424 flow [2024-01-30 14:18:28,530 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 107 transitions, 420 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-30 14:18:28,531 INFO L231 Difference]: Finished difference. Result has 87 places, 78 transitions, 211 flow [2024-01-30 14:18:28,532 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=211, PETRI_PLACES=87, PETRI_TRANSITIONS=78} [2024-01-30 14:18:28,533 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, -12 predicate places. [2024-01-30 14:18:28,533 INFO L495 AbstractCegarLoop]: Abstraction has has 87 places, 78 transitions, 211 flow [2024-01-30 14:18:28,533 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 14:18:28,533 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-30 14:18:28,534 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-01-30 14:18:28,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-30 14:18:28,534 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 79 more)] === [2024-01-30 14:18:28,534 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-30 14:18:28,534 INFO L85 PathProgramCache]: Analyzing trace with hash -651726397, now seen corresponding path program 1 times [2024-01-30 14:18:28,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-30 14:18:28,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189926255] [2024-01-30 14:18:28,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-30 14:18:28,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-30 14:18:28,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-30 14:18:28,609 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 14:18:28,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-30 14:18:28,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189926255] [2024-01-30 14:18:28,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189926255] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-30 14:18:28,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-30 14:18:28,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-30 14:18:28,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468487814] [2024-01-30 14:18:28,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-30 14:18:28,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-30 14:18:28,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-30 14:18:28,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-30 14:18:28,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-30 14:18:28,632 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 31 out of 93 [2024-01-30 14:18:28,632 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 78 transitions, 211 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 14:18:28,632 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-30 14:18:28,632 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 31 of 93 [2024-01-30 14:18:28,632 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-30 14:18:33,712 INFO L124 PetriNetUnfolderBase]: 32390/50722 cut-off events. [2024-01-30 14:18:33,712 INFO L125 PetriNetUnfolderBase]: For 5831/5908 co-relation queries the response was YES. [2024-01-30 14:18:33,878 INFO L83 FinitePrefix]: Finished finitePrefix Result has 103057 conditions, 50722 events. 32390/50722 cut-off events. For 5831/5908 co-relation queries the response was YES. Maximal size of possible extension queue 2353. Compared 443740 event pairs, 5473 based on Foata normal form. 4761/41628 useless extension candidates. Maximal degree in co-relation 103041. Up to 42566 conditions per place. [2024-01-30 14:18:34,072 INFO L140 encePairwiseOnDemand]: 86/93 looper letters, 89 selfloop transitions, 2 changer transitions 0/114 dead transitions. [2024-01-30 14:18:34,075 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 114 transitions, 497 flow [2024-01-30 14:18:34,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-30 14:18:34,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-30 14:18:34,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 212 transitions. [2024-01-30 14:18:34,079 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5698924731182796 [2024-01-30 14:18:34,079 INFO L175 Difference]: Start difference. First operand has 87 places, 78 transitions, 211 flow. Second operand 4 states and 212 transitions. [2024-01-30 14:18:34,080 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 114 transitions, 497 flow [2024-01-30 14:18:34,082 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 114 transitions, 477 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-30 14:18:34,083 INFO L231 Difference]: Finished difference. Result has 83 places, 73 transitions, 193 flow [2024-01-30 14:18:34,084 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=189, 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=193, PETRI_PLACES=83, PETRI_TRANSITIONS=73} [2024-01-30 14:18:34,084 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, -16 predicate places. [2024-01-30 14:18:34,087 INFO L495 AbstractCegarLoop]: Abstraction has has 83 places, 73 transitions, 193 flow [2024-01-30 14:18:34,087 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 14:18:34,087 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-30 14:18:34,087 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-01-30 14:18:34,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-01-30 14:18:34,088 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 79 more)] === [2024-01-30 14:18:34,088 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-30 14:18:34,088 INFO L85 PathProgramCache]: Analyzing trace with hash 1271318642, now seen corresponding path program 1 times [2024-01-30 14:18:34,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-30 14:18:34,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404189125] [2024-01-30 14:18:34,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-30 14:18:34,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-30 14:18:34,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-30 14:18:34,333 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 14:18:34,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-30 14:18:34,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404189125] [2024-01-30 14:18:34,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404189125] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-30 14:18:34,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-30 14:18:34,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-30 14:18:34,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224383009] [2024-01-30 14:18:34,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-30 14:18:34,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-01-30 14:18:34,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-30 14:18:34,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-01-30 14:18:34,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-01-30 14:18:34,375 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 93 [2024-01-30 14:18:34,376 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 73 transitions, 193 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 14:18:34,376 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-30 14:18:34,376 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 93 [2024-01-30 14:18:34,376 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand