./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/safe013_tso.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-01-24_13-31-21.files/SV-COMP24_unreach-call/safe013_tso.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d8006e4b 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/safe013_tso.i ./goblint.2024-01-24_13-31-21.files/SV-COMP24_unreach-call/safe013_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-d8006e4-m [2024-02-05 10:27:33,936 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-05 10:27:33,998 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-05 10:27:34,004 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-05 10:27:34,004 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-05 10:27:34,041 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-05 10:27:34,042 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-05 10:27:34,043 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-05 10:27:34,043 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-05 10:27:34,044 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-05 10:27:34,044 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-05 10:27:34,045 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-05 10:27:34,045 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-05 10:27:34,047 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-05 10:27:34,047 INFO L153 SettingsManager]: * Use SBE=true [2024-02-05 10:27:34,047 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-05 10:27:34,048 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-05 10:27:34,050 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-05 10:27:34,050 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-05 10:27:34,050 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-05 10:27:34,051 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-05 10:27:34,051 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-05 10:27:34,051 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-05 10:27:34,051 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-05 10:27:34,052 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-05 10:27:34,052 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-05 10:27:34,052 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-05 10:27:34,052 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-05 10:27:34,053 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-05 10:27:34,053 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-05 10:27:34,053 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-05 10:27:34,054 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-05 10:27:34,054 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-05 10:27:34,054 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-05 10:27:34,054 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-05 10:27:34,055 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-05 10:27:34,055 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-05 10:27:34,055 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-05 10:27:34,055 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-05 10:27:34,055 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-05 10:27:34,055 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-05 10:27:34,056 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-05 10:27:34,056 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-05 10:27:34,056 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-05 10:27:34,265 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-05 10:27:34,296 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-05 10:27:34,298 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-05 10:27:34,299 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-05 10:27:34,299 INFO L274 PluginConnector]: CDTParser initialized [2024-02-05 10:27:34,300 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe013_tso.i [2024-02-05 10:27:35,402 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-05 10:27:35,607 INFO L384 CDTParser]: Found 1 translation units. [2024-02-05 10:27:35,608 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe013_tso.i [2024-02-05 10:27:35,618 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41cff5afe/82c3607693f14b8d87c40b5dfe9ec406/FLAG87dd436c7 [2024-02-05 10:27:35,977 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41cff5afe/82c3607693f14b8d87c40b5dfe9ec406 [2024-02-05 10:27:35,985 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-05 10:27:35,985 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-05 10:27:35,986 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-01-24_13-31-21.files/SV-COMP24_unreach-call/safe013_tso.yml/witness.yml [2024-02-05 10:27:36,190 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-05 10:27:36,191 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-05 10:27:36,192 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-05 10:27:36,192 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-05 10:27:36,196 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-05 10:27:36,197 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 10:27:35" (1/2) ... [2024-02-05 10:27:36,198 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e6582b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:27:36, skipping insertion in model container [2024-02-05 10:27:36,198 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 10:27:35" (1/2) ... [2024-02-05 10:27:36,199 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6f32e622 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:27:36, skipping insertion in model container [2024-02-05 10:27:36,200 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 05.02 10:27:36" (2/2) ... [2024-02-05 10:27:36,200 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e6582b2 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:27:36, skipping insertion in model container [2024-02-05 10:27:36,200 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 05.02 10:27:36" (2/2) ... [2024-02-05 10:27:36,201 INFO L86 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-05 10:27:36,650 INFO L99 nessWitnessExtractor]: Found the following entries in the witness: [2024-02-05 10:27:36,652 INFO L101 nessWitnessExtractor]: Location invariant before [L18-L18] expression == 0 [2024-02-05 10:27:36,652 INFO L101 nessWitnessExtractor]: Location invariant before [L766-L766] (((((((((((((((((((0 <= __unbuffered_p0_EAX) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (1 <= __unbuffered_cnt)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 2)) && (z <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 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) || z == 2) [2024-02-05 10:27:36,652 INFO L101 nessWitnessExtractor]: Location invariant before [L18-L18] ((0 <= expression) && (expression <= 1)) && (expression == 0 || expression == 1) [2024-02-05 10:27:36,652 INFO L101 nessWitnessExtractor]: Location invariant before [L724-L724] (unsigned long )arg == 0UL [2024-02-05 10:27:36,652 INFO L101 nessWitnessExtractor]: Location invariant before [L758-L758] (((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 2)) && (z <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 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) || z == 2) [2024-02-05 10:27:36,653 INFO L101 nessWitnessExtractor]: Location invariant before [L759-L759] (unsigned long )arg == 0UL [2024-02-05 10:27:36,653 INFO L101 nessWitnessExtractor]: Location invariant before [L733-L733] (((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 2)) && (z <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 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) || z == 2) [2024-02-05 10:27:36,654 INFO L101 nessWitnessExtractor]: Location invariant before [L794-L794] ((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 2)) && (z <= 127)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 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) || z == 2) [2024-02-05 10:27:36,654 INFO L101 nessWitnessExtractor]: Location invariant before [L726-L726] ((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z == 2)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 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) [2024-02-05 10:27:36,654 INFO L101 nessWitnessExtractor]: Location invariant before [L765-L765] (((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 2)) && (z <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 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) || z == 2) [2024-02-05 10:27:36,654 INFO L101 nessWitnessExtractor]: Location invariant before [L767-L767] (unsigned long )arg == 0UL [2024-02-05 10:27:36,654 INFO L101 nessWitnessExtractor]: Location invariant before [L725-L725] (((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 2)) && (z <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 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) || z == 2) [2024-02-05 10:27:36,654 INFO L101 nessWitnessExtractor]: Location invariant after [L18-L18] expression == 1 [2024-02-05 10:27:36,655 INFO L101 nessWitnessExtractor]: Location invariant before [L735-L735] (((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 2)) && (z <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 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) || z == 2) [2024-02-05 10:27:36,655 INFO L101 nessWitnessExtractor]: Location invariant before [L761-L761] ((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z == 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 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) [2024-02-05 10:27:36,655 INFO L101 nessWitnessExtractor]: Location invariant after [L18-L18] expression == 0 [2024-02-05 10:27:36,655 INFO L101 nessWitnessExtractor]: Location invariant before [L742-L742] (((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 2)) && (z <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 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) || z == 2) [2024-02-05 10:27:36,655 INFO L101 nessWitnessExtractor]: Location invariant before [L736-L736] (((((((((((((((((((0 <= __unbuffered_p0_EAX) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (1 <= __unbuffered_cnt)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 2)) && (z <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 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) || z == 2) [2024-02-05 10:27:36,655 INFO L101 nessWitnessExtractor]: Location invariant before [L750-L750] (((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 2)) && (z <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 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) || z == 2) [2024-02-05 10:27:36,656 INFO L101 nessWitnessExtractor]: Location invariant before [L18-L18] expression == 1 [2024-02-05 10:27:36,656 INFO L101 nessWitnessExtractor]: Location invariant before [L744-L744] (unsigned long )arg == 0UL [2024-02-05 10:27:36,656 INFO L101 nessWitnessExtractor]: Location invariant before [L743-L743] (((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (y <= 1)) && (z <= 2)) && (z <= 127)) && (x == 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 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) || z == 2) [2024-02-05 10:27:36,657 INFO L101 nessWitnessExtractor]: Location invariant before [L745-L745] (((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 2)) && (z <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 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) || z == 2) [2024-02-05 10:27:36,657 INFO L101 nessWitnessExtractor]: Location invariant before [L781-L781] (((((((__unbuffered_cnt == 0) && (__unbuffered_p0_EAX == 0)) && (__unbuffered_p2_EAX == 0)) && (main$tmp_guard0 == (_Bool)0)) && (main$tmp_guard1 == (_Bool)0)) && (x == 0)) && (y == 0)) && (z == 0) [2024-02-05 10:27:36,657 INFO L101 nessWitnessExtractor]: Location invariant after [L18-L18] expression == 1 [2024-02-05 10:27:36,657 INFO L101 nessWitnessExtractor]: Location invariant before [L746-L746] (((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (z <= 2)) && (z <= 127)) && (y == 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 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) || z == 2) [2024-02-05 10:27:36,657 INFO L101 nessWitnessExtractor]: Location invariant before [L747-L747] (unsigned long )arg == 0UL [2024-02-05 10:27:36,657 INFO L101 nessWitnessExtractor]: Location invariant before [L757-L757] (((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 2)) && (z <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 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) || z == 2) [2024-02-05 10:27:36,658 INFO L101 nessWitnessExtractor]: Location invariant before [L793-L793] (((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z == 2)) && (__unbuffered_p0_EAX == 0 || ((0 <= __unbuffered_p0_EAX && __unbuffered_p0_EAX <= 1) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 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) [2024-02-05 10:27:36,658 INFO L101 nessWitnessExtractor]: Location invariant before [L730-L730] (((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 2)) && (z <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 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) || z == 2) [2024-02-05 10:27:36,658 INFO L101 nessWitnessExtractor]: Location invariant before [L756-L756] (unsigned long )arg == 0UL [2024-02-05 10:27:36,658 INFO L101 nessWitnessExtractor]: Location invariant before [L749-L749] (unsigned long )arg == 0UL [2024-02-05 10:27:36,658 INFO L101 nessWitnessExtractor]: Location invariant before [L788-L788] ((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 2)) && (z <= 127)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 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) || z == 2) [2024-02-05 10:27:36,658 INFO L101 nessWitnessExtractor]: Location invariant before [L791-L791] ((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 2)) && (z <= 127)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 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) || z == 2) [2024-02-05 10:27:36,658 INFO L101 nessWitnessExtractor]: Location invariant before [L731-L731] (((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 2)) && (z <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 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) || z == 2) [2024-02-05 10:27:36,659 INFO L101 nessWitnessExtractor]: Location invariant before [L737-L737] (unsigned long )arg == 0UL [2024-02-05 10:27:36,659 INFO L101 nessWitnessExtractor]: Location invariant before [L741-L741] (unsigned long )arg == 0UL [2024-02-05 10:27:36,659 INFO L101 nessWitnessExtractor]: Location invariant before [L764-L764] (unsigned long )arg == 0UL [2024-02-05 10:27:36,660 INFO L101 nessWitnessExtractor]: Location invariant before [L734-L734] (unsigned long )arg == 0UL [2024-02-05 10:27:36,660 INFO L101 nessWitnessExtractor]: Location invariant before [L762-L762] (unsigned long )arg == 0UL [2024-02-05 10:27:36,661 INFO L101 nessWitnessExtractor]: Location invariant before [L752-L752] (unsigned long )arg == 0UL [2024-02-05 10:27:36,661 INFO L101 nessWitnessExtractor]: Location invariant before [L748-L748] (((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 2)) && (z <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 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) || z == 2) [2024-02-05 10:27:36,661 INFO L101 nessWitnessExtractor]: Location invariant before [L763-L763] (((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 2)) && (z <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 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) || z == 2) [2024-02-05 10:27:36,661 INFO L101 nessWitnessExtractor]: Location invariant before [L760-L760] (((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 2)) && (z <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 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) || z == 2) [2024-02-05 10:27:36,661 INFO L101 nessWitnessExtractor]: Location invariant before [L751-L751] (((((((((((((((((((0 <= __unbuffered_p0_EAX) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (1 <= __unbuffered_cnt)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 2)) && (z <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 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) || z == 2) [2024-02-05 10:27:36,662 INFO L101 nessWitnessExtractor]: Location invariant before [L729-L729] (unsigned long )arg == 0UL [2024-02-05 10:27:36,662 INFO L101 nessWitnessExtractor]: Location invariant before [L728-L728] (((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 2)) && (z <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 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) || z == 2) [2024-02-05 10:27:36,662 INFO L101 nessWitnessExtractor]: Location invariant before [L727-L727] (unsigned long )arg == 0UL [2024-02-05 10:27:36,662 INFO L101 nessWitnessExtractor]: Location invariant before [L732-L732] (unsigned long )arg == 0UL [2024-02-05 10:27:36,663 INFO L101 nessWitnessExtractor]: Location invariant before [L787-L787] ((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 2)) && (z <= 127)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 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) || z == 2) [2024-02-05 10:27:36,711 INFO L179 MainTranslator]: Built tables and reachable declarations [2024-02-05 10:27:36,867 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/safe013_tso.i[945,958] [2024-02-05 10:27:36,984 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-05 10:27:36,992 INFO L204 MainTranslator]: Completed pre-run Start Parsing Local [2024-02-05 10:27:37,022 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/safe013_tso.i[945,958] Start Parsing Local Start Parsing Local [2024-02-05 10:27:37,023 WARN L424 MainDispatcher]: Unable to annotate ; with a witness entry Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-02-05 10:27:37,206 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-05 10:27:37,254 INFO L208 MainTranslator]: Completed translation [2024-02-05 10:27:37,256 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:27:37 WrapperNode [2024-02-05 10:27:37,256 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-05 10:27:37,257 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-05 10:27:37,257 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-05 10:27:37,258 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-05 10:27:37,264 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 05.02 10:27:37" (1/1) ... [2024-02-05 10:27:37,299 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 05.02 10:27:37" (1/1) ... [2024-02-05 10:27:37,339 INFO L138 Inliner]: procedures = 176, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 79 [2024-02-05 10:27:37,340 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-05 10:27:37,340 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-05 10:27:37,341 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-05 10:27:37,341 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-05 10:27:37,351 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:27:37" (1/1) ... [2024-02-05 10:27:37,351 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:27:37" (1/1) ... [2024-02-05 10:27:37,356 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:27:37" (1/1) ... [2024-02-05 10:27:37,400 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]. [2024-02-05 10:27:37,408 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:27:37" (1/1) ... [2024-02-05 10:27:37,408 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:27:37" (1/1) ... [2024-02-05 10:27:37,420 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:27:37" (1/1) ... [2024-02-05 10:27:37,437 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:27:37" (1/1) ... [2024-02-05 10:27:37,440 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:27:37" (1/1) ... [2024-02-05 10:27:37,442 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:27:37" (1/1) ... [2024-02-05 10:27:37,446 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-05 10:27:37,447 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-05 10:27:37,447 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-05 10:27:37,460 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-05 10:27:37,461 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:27:37" (1/1) ... [2024-02-05 10:27:37,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-05 10:27:37,476 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-05 10:27:37,489 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-02-05 10:27:37,527 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-02-05 10:27:37,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-05 10:27:37,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-05 10:27:37,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-05 10:27:37,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-05 10:27:37,542 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-05 10:27:37,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-05 10:27:37,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-05 10:27:37,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-05 10:27:37,542 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-02-05 10:27:37,543 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-02-05 10:27:37,543 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-02-05 10:27:37,543 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-02-05 10:27:37,544 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-02-05 10:27:37,544 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-02-05 10:27:37,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-05 10:27:37,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-05 10:27:37,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-05 10:27:37,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-05 10:27:37,545 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-05 10:27:37,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-05 10:27:37,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-05 10:27:37,547 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-05 10:27:37,668 INFO L244 CfgBuilder]: Building ICFG [2024-02-05 10:27:37,670 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-05 10:27:38,067 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-05 10:27:38,067 INFO L293 CfgBuilder]: Performing block encoding [2024-02-05 10:27:38,243 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-05 10:27:38,244 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-05 10:27:38,244 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.02 10:27:38 BoogieIcfgContainer [2024-02-05 10:27:38,244 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-05 10:27:38,246 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-05 10:27:38,246 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-05 10:27:38,248 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-05 10:27:38,248 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.02 10:27:35" (1/4) ... [2024-02-05 10:27:38,249 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@580cf3a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 10:27:38, skipping insertion in model container [2024-02-05 10:27:38,249 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 05.02 10:27:36" (2/4) ... [2024-02-05 10:27:38,249 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@580cf3a6 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 05.02 10:27:38, skipping insertion in model container [2024-02-05 10:27:38,249 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:27:37" (3/4) ... [2024-02-05 10:27:38,250 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@580cf3a6 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 05.02 10:27:38, skipping insertion in model container [2024-02-05 10:27:38,250 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.02 10:27:38" (4/4) ... [2024-02-05 10:27:38,250 INFO L112 eAbstractionObserver]: Analyzing ICFG safe013_tso.i [2024-02-05 10:27:38,264 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-05 10:27:38,264 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 48 error locations. [2024-02-05 10:27:38,264 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-05 10:27:38,370 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-02-05 10:27:38,394 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 111 places, 102 transitions, 216 flow [2024-02-05 10:27:38,424 INFO L124 PetriNetUnfolderBase]: 1/99 cut-off events. [2024-02-05 10:27:38,425 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-05 10:27:38,428 INFO L83 FinitePrefix]: Finished finitePrefix Result has 109 conditions, 99 events. 1/99 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 411 event pairs, 0 based on Foata normal form. 0/50 useless extension candidates. Maximal degree in co-relation 99. Up to 2 conditions per place. [2024-02-05 10:27:38,428 INFO L82 GeneralOperation]: Start removeDead. Operand has 111 places, 102 transitions, 216 flow [2024-02-05 10:27:38,431 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 108 places, 99 transitions, 207 flow [2024-02-05 10:27:38,438 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-05 10:27:38,443 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;@368c8b1e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-05 10:27:38,443 INFO L358 AbstractCegarLoop]: Starting to check reachability of 89 error locations. [2024-02-05 10:27:38,444 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-05 10:27:38,445 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-02-05 10:27:38,445 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-05 10:27:38,445 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-05 10:27:38,445 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-02-05 10:27:38,446 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 86 more)] === [2024-02-05 10:27:38,472 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-05 10:27:38,473 INFO L85 PathProgramCache]: Analyzing trace with hash 12956, now seen corresponding path program 1 times [2024-02-05 10:27:38,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-05 10:27:38,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595360599] [2024-02-05 10:27:38,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-05 10:27:38,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-05 10:27:38,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-05 10:27:38,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-05 10:27:38,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-05 10:27:38,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595360599] [2024-02-05 10:27:38,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595360599] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-05 10:27:38,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-05 10:27:38,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-05 10:27:38,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931269207] [2024-02-05 10:27:38,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-05 10:27:38,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-05 10:27:38,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-05 10:27:38,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-05 10:27:38,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-05 10:27:38,830 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 43 out of 102 [2024-02-05 10:27:38,831 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 99 transitions, 207 flow. Second operand has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 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) [2024-02-05 10:27:38,832 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-05 10:27:38,832 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 43 of 102 [2024-02-05 10:27:38,833 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-05 10:27:45,472 INFO L124 PetriNetUnfolderBase]: 34735/61347 cut-off events. [2024-02-05 10:27:45,473 INFO L125 PetriNetUnfolderBase]: For 126/126 co-relation queries the response was YES. [2024-02-05 10:27:45,646 INFO L83 FinitePrefix]: Finished finitePrefix Result has 109691 conditions, 61347 events. 34735/61347 cut-off events. For 126/126 co-relation queries the response was YES. Maximal size of possible extension queue 2940. Compared 627108 event pairs, 24847 based on Foata normal form. 1080/37077 useless extension candidates. Maximal degree in co-relation 109678. Up to 47933 conditions per place. [2024-02-05 10:27:46,008 INFO L140 encePairwiseOnDemand]: 83/102 looper letters, 56 selfloop transitions, 4 changer transitions 0/100 dead transitions. [2024-02-05 10:27:46,009 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 100 transitions, 335 flow [2024-02-05 10:27:46,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-05 10:27:46,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-05 10:27:46,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 209 transitions. [2024-02-05 10:27:46,019 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6830065359477124 [2024-02-05 10:27:46,021 INFO L175 Difference]: Start difference. First operand has 108 places, 99 transitions, 207 flow. Second operand 3 states and 209 transitions. [2024-02-05 10:27:46,021 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 100 transitions, 335 flow [2024-02-05 10:27:46,025 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 100 transitions, 330 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-02-05 10:27:46,027 INFO L231 Difference]: Finished difference. Result has 96 places, 89 transitions, 206 flow [2024-02-05 10:27:46,029 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=178, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=206, PETRI_PLACES=96, PETRI_TRANSITIONS=89} [2024-02-05 10:27:46,031 INFO L281 CegarLoopForPetriNet]: 108 programPoint places, -12 predicate places. [2024-02-05 10:27:46,032 INFO L495 AbstractCegarLoop]: Abstraction has has 96 places, 89 transitions, 206 flow [2024-02-05 10:27:46,032 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 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) [2024-02-05 10:27:46,032 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-05 10:27:46,032 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-02-05 10:27:46,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-05 10:27:46,033 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 86 more)] === [2024-02-05 10:27:46,033 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-05 10:27:46,033 INFO L85 PathProgramCache]: Analyzing trace with hash 386505089, now seen corresponding path program 1 times [2024-02-05 10:27:46,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-05 10:27:46,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000313375] [2024-02-05 10:27:46,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-05 10:27:46,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-05 10:27:46,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-05 10:27:46,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-05 10:27:46,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-05 10:27:46,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000313375] [2024-02-05 10:27:46,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000313375] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-05 10:27:46,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-05 10:27:46,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-02-05 10:27:46,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151297109] [2024-02-05 10:27:46,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-05 10:27:46,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-02-05 10:27:46,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-05 10:27:46,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-02-05 10:27:46,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-02-05 10:27:46,132 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 37 out of 102 [2024-02-05 10:27:46,134 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 89 transitions, 206 flow. Second operand has 4 states, 4 states have (on average 38.25) internal successors, (153), 4 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-05 10:27:46,134 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-05 10:27:46,134 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 37 of 102 [2024-02-05 10:27:46,134 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-05 10:27:52,394 INFO L124 PetriNetUnfolderBase]: 37563/65114 cut-off events. [2024-02-05 10:27:52,394 INFO L125 PetriNetUnfolderBase]: For 5355/5355 co-relation queries the response was YES. [2024-02-05 10:27:52,573 INFO L83 FinitePrefix]: Finished finitePrefix Result has 123808 conditions, 65114 events. 37563/65114 cut-off events. For 5355/5355 co-relation queries the response was YES. Maximal size of possible extension queue 3073. Compared 655699 event pairs, 25821 based on Foata normal form. 5546/49412 useless extension candidates. Maximal degree in co-relation 123795. Up to 49128 conditions per place. [2024-02-05 10:27:52,887 INFO L140 encePairwiseOnDemand]: 94/102 looper letters, 82 selfloop transitions, 2 changer transitions 0/117 dead transitions. [2024-02-05 10:27:52,888 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 117 transitions, 448 flow [2024-02-05 10:27:52,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-02-05 10:27:52,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-02-05 10:27:52,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 233 transitions. [2024-02-05 10:27:52,895 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.571078431372549 [2024-02-05 10:27:52,895 INFO L175 Difference]: Start difference. First operand has 96 places, 89 transitions, 206 flow. Second operand 4 states and 233 transitions. [2024-02-05 10:27:52,895 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 117 transitions, 448 flow [2024-02-05 10:27:52,897 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 117 transitions, 442 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-02-05 10:27:52,899 INFO L231 Difference]: Finished difference. Result has 92 places, 83 transitions, 194 flow [2024-02-05 10:27:52,899 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=190, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=194, PETRI_PLACES=92, PETRI_TRANSITIONS=83} [2024-02-05 10:27:52,900 INFO L281 CegarLoopForPetriNet]: 108 programPoint places, -16 predicate places. [2024-02-05 10:27:52,900 INFO L495 AbstractCegarLoop]: Abstraction has has 92 places, 83 transitions, 194 flow [2024-02-05 10:27:52,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.25) internal successors, (153), 4 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-05 10:27:52,900 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-05 10:27:52,900 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-02-05 10:27:52,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-02-05 10:27:52,901 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 86 more)] === [2024-02-05 10:27:52,904 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-05 10:27:52,904 INFO L85 PathProgramCache]: Analyzing trace with hash -903243659, now seen corresponding path program 1 times [2024-02-05 10:27:52,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-05 10:27:52,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138842263] [2024-02-05 10:27:52,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-05 10:27:52,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-05 10:27:52,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-05 10:27:53,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-05 10:27:53,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-05 10:27:53,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138842263] [2024-02-05 10:27:53,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138842263] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-05 10:27:53,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-05 10:27:53,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-02-05 10:27:53,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466216573] [2024-02-05 10:27:53,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-05 10:27:53,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-02-05 10:27:53,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-05 10:27:53,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-02-05 10:27:53,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-02-05 10:27:53,205 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 31 out of 102 [2024-02-05 10:27:53,206 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 83 transitions, 194 flow. Second operand has 5 states, 5 states have (on average 32.2) internal successors, (161), 5 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-05 10:27:53,206 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-05 10:27:53,206 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 31 of 102 [2024-02-05 10:27:53,206 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-05 10:28:01,872 INFO L124 PetriNetUnfolderBase]: 52397/90260 cut-off events. [2024-02-05 10:28:01,872 INFO L125 PetriNetUnfolderBase]: For 8466/8471 co-relation queries the response was YES. [2024-02-05 10:28:02,114 INFO L83 FinitePrefix]: Finished finitePrefix Result has 172403 conditions, 90260 events. 52397/90260 cut-off events. For 8466/8471 co-relation queries the response was YES. Maximal size of possible extension queue 4099. Compared 923961 event pairs, 37579 based on Foata normal form. 33/62618 useless extension candidates. Maximal degree in co-relation 172389. Up to 72085 conditions per place. [2024-02-05 10:28:02,472 INFO L140 encePairwiseOnDemand]: 96/102 looper letters, 72 selfloop transitions, 7 changer transitions 0/107 dead transitions. [2024-02-05 10:28:02,472 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 107 transitions, 414 flow [2024-02-05 10:28:02,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-02-05 10:28:02,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-02-05 10:28:02,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 204 transitions. [2024-02-05 10:28:02,474 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5 [2024-02-05 10:28:02,474 INFO L175 Difference]: Start difference. First operand has 92 places, 83 transitions, 194 flow. Second operand 4 states and 204 transitions. [2024-02-05 10:28:02,474 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 107 transitions, 414 flow [2024-02-05 10:28:02,476 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 107 transitions, 410 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-02-05 10:28:02,477 INFO L231 Difference]: Finished difference. Result has 95 places, 86 transitions, 227 flow [2024-02-05 10:28:02,477 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=191, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=227, PETRI_PLACES=95, PETRI_TRANSITIONS=86} [2024-02-05 10:28:02,478 INFO L281 CegarLoopForPetriNet]: 108 programPoint places, -13 predicate places. [2024-02-05 10:28:02,478 INFO L495 AbstractCegarLoop]: Abstraction has has 95 places, 86 transitions, 227 flow [2024-02-05 10:28:02,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.2) internal successors, (161), 5 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-05 10:28:02,478 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-05 10:28:02,479 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-02-05 10:28:02,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-02-05 10:28:02,479 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 86 more)] === [2024-02-05 10:28:02,479 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-05 10:28:02,479 INFO L85 PathProgramCache]: Analyzing trace with hash 2063127123, now seen corresponding path program 1 times [2024-02-05 10:28:02,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-05 10:28:02,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145468796] [2024-02-05 10:28:02,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-05 10:28:02,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-05 10:28:02,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-05 10:28:02,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-05 10:28:02,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-05 10:28:02,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145468796] [2024-02-05 10:28:02,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145468796] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-05 10:28:02,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-05 10:28:02,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-02-05 10:28:02,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62544806] [2024-02-05 10:28:02,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-05 10:28:02,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-02-05 10:28:02,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-05 10:28:02,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-02-05 10:28:02,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-02-05 10:28:02,572 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 38 out of 102 [2024-02-05 10:28:02,573 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 86 transitions, 227 flow. Second operand has 4 states, 4 states have (on average 39.75) internal successors, (159), 4 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-05 10:28:02,573 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-05 10:28:02,573 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 38 of 102 [2024-02-05 10:28:02,573 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand