./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.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/safe013_tso.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 59af5db6 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.2023-12-19_14-39-08.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-59af5db-m [2024-02-02 09:13:33,805 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-02 09:13:33,864 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-02 09:13:33,867 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-02 09:13:33,871 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-02 09:13:33,904 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-02 09:13:33,904 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-02 09:13:33,904 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-02 09:13:33,905 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-02 09:13:33,906 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-02 09:13:33,907 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-02 09:13:33,907 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-02 09:13:33,908 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-02 09:13:33,909 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-02 09:13:33,909 INFO L153 SettingsManager]: * Use SBE=true [2024-02-02 09:13:33,910 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-02 09:13:33,910 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-02 09:13:33,911 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-02 09:13:33,913 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-02 09:13:33,913 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-02 09:13:33,914 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-02 09:13:33,914 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-02 09:13:33,914 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-02 09:13:33,914 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-02 09:13:33,915 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-02 09:13:33,915 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-02 09:13:33,915 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-02 09:13:33,915 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-02 09:13:33,915 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-02 09:13:33,916 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-02 09:13:33,916 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-02 09:13:33,916 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-02 09:13:33,917 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-02 09:13:33,917 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-02 09:13:33,918 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-02 09:13:33,918 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-02 09:13:33,918 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-02 09:13:33,918 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-02 09:13:33,918 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-02 09:13:33,918 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-02 09:13:33,919 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-02 09:13:33,919 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-02 09:13:33,919 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-02 09:13:33,919 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-02 09:13:34,135 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-02 09:13:34,158 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-02 09:13:34,160 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-02 09:13:34,161 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-02 09:13:34,162 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-02 09:13:34,163 INFO L431 ainManager$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/safe013_tso.yml/witness.yml [2024-02-02 09:13:34,429 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-02 09:13:34,430 INFO L274 PluginConnector]: CDTParser initialized [2024-02-02 09:13:34,431 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe013_tso.i [2024-02-02 09:13:35,515 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-02 09:13:35,740 INFO L384 CDTParser]: Found 1 translation units. [2024-02-02 09:13:35,744 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe013_tso.i [2024-02-02 09:13:35,758 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b8d956a9/08e89f4853494373b10d382126cb8269/FLAG023101127 [2024-02-02 09:13:35,770 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b8d956a9/08e89f4853494373b10d382126cb8269 [2024-02-02 09:13:35,770 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-02 09:13:35,771 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-02 09:13:35,772 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-02 09:13:35,772 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-02 09:13:35,776 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-02 09:13:35,776 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 02.02 09:13:34" (1/2) ... [2024-02-02 09:13:35,777 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1630cec7 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:13:35, skipping insertion in model container [2024-02-02 09:13:35,777 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 02.02 09:13:34" (1/2) ... [2024-02-02 09:13:35,778 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@518301d and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:13:35, skipping insertion in model container [2024-02-02 09:13:35,779 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 09:13:35" (2/2) ... [2024-02-02 09:13:35,779 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1630cec7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:13:35, skipping insertion in model container [2024-02-02 09:13:35,779 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 09:13:35" (2/2) ... [2024-02-02 09:13:35,779 INFO L86 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-02 09:13:36,081 INFO L99 nessWitnessExtractor]: Found the following entries in the witness: [2024-02-02 09:13:36,082 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) [2024-02-02 09:13:36,082 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) [2024-02-02 09:13:36,082 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) [2024-02-02 09:13:36,083 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) [2024-02-02 09:13:36,083 INFO L101 nessWitnessExtractor]: Location invariant before [L749-L749] (unsigned long )arg == 0UL [2024-02-02 09:13:36,083 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) [2024-02-02 09:13:36,083 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) [2024-02-02 09:13:36,083 INFO L101 nessWitnessExtractor]: Location invariant before [L741-L741] (unsigned long )arg == 0UL [2024-02-02 09:13:36,083 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) [2024-02-02 09:13:36,084 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) [2024-02-02 09:13:36,084 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) [2024-02-02 09:13:36,084 INFO L101 nessWitnessExtractor]: Location invariant before [L732-L732] (unsigned long )arg == 0UL [2024-02-02 09:13:36,084 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) [2024-02-02 09:13:36,084 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) [2024-02-02 09:13:36,084 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) [2024-02-02 09:13:36,084 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) [2024-02-02 09:13:36,085 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) [2024-02-02 09:13:36,085 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) [2024-02-02 09:13:36,085 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) [2024-02-02 09:13:36,085 INFO L101 nessWitnessExtractor]: Location invariant before [L747-L747] (unsigned long )arg == 0UL [2024-02-02 09:13:36,085 INFO L101 nessWitnessExtractor]: Location invariant before [L756-L756] (unsigned long )arg == 0UL [2024-02-02 09:13:36,086 INFO L101 nessWitnessExtractor]: Location invariant before [L764-L764] (unsigned long )arg == 0UL [2024-02-02 09:13:36,086 INFO L101 nessWitnessExtractor]: Location invariant before [L729-L729] (unsigned long )arg == 0UL [2024-02-02 09:13:36,086 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) [2024-02-02 09:13:36,086 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) [2024-02-02 09:13:36,086 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) [2024-02-02 09:13:36,086 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) [2024-02-02 09:13:36,087 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) [2024-02-02 09:13:36,087 INFO L101 nessWitnessExtractor]: Location invariant before [L762-L762] (unsigned long )arg == 0UL [2024-02-02 09:13:36,087 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) [2024-02-02 09:13:36,087 INFO L101 nessWitnessExtractor]: Location invariant before [L767-L767] (unsigned long )arg == 0UL [2024-02-02 09:13:36,087 INFO L101 nessWitnessExtractor]: Location invariant before [L724-L724] (unsigned long )arg == 0UL [2024-02-02 09:13:36,087 INFO L101 nessWitnessExtractor]: Location invariant before [L18-L18] ((((expression == 1) && (0 <= expression)) && (expression <= 1)) && (expression == 0 || expression == 1)) && (expression == 0) [2024-02-02 09:13:36,087 INFO L101 nessWitnessExtractor]: Location invariant before [L737-L737] (unsigned long )arg == 0UL [2024-02-02 09:13:36,088 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) [2024-02-02 09:13:36,088 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) [2024-02-02 09:13:36,088 INFO L101 nessWitnessExtractor]: Location invariant before [L744-L744] (unsigned long )arg == 0UL [2024-02-02 09:13:36,088 INFO L101 nessWitnessExtractor]: Location invariant before [L759-L759] (unsigned long )arg == 0UL [2024-02-02 09:13:36,089 INFO L101 nessWitnessExtractor]: Location invariant before [L734-L734] (unsigned long )arg == 0UL [2024-02-02 09:13:36,090 INFO L101 nessWitnessExtractor]: Location invariant before [L727-L727] (unsigned long )arg == 0UL [2024-02-02 09:13:36,090 INFO L101 nessWitnessExtractor]: Location invariant before [L752-L752] (unsigned long )arg == 0UL [2024-02-02 09:13:36,090 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) [2024-02-02 09:13:36,090 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) [2024-02-02 09:13:36,090 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) [2024-02-02 09:13:36,090 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) [2024-02-02 09:13:36,138 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-02-02 09:13:36,279 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] [2024-02-02 09:13:36,400 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-02 09:13:36,418 INFO L202 MainTranslator]: Completed pre-run [2024-02-02 09:13:36,437 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] [2024-02-02 09:13:36,438 WARN L424 MainDispatcher]: Unable to annotate void __VERIFIER_assert(int expression) { if (!expression) { ERROR: {reach_error();abort();} }; return; } with a witness entry Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-02-02 09:13:36,590 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-02 09:13:36,618 INFO L206 MainTranslator]: Completed translation [2024-02-02 09:13:36,619 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:13:36 WrapperNode [2024-02-02 09:13:36,619 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-02 09:13:36,621 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-02 09:13:36,621 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-02 09:13:36,621 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-02 09:13:36,627 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:13:36" (1/1) ... [2024-02-02 09:13:36,657 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:13:36" (1/1) ... [2024-02-02 09:13:36,685 INFO L138 Inliner]: procedures = 176, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 76 [2024-02-02 09:13:36,685 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-02 09:13:36,686 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-02 09:13:36,686 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-02 09:13:36,686 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-02 09:13:36,702 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:13:36" (1/1) ... [2024-02-02 09:13:36,702 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:13:36" (1/1) ... [2024-02-02 09:13:36,705 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:13:36" (1/1) ... [2024-02-02 09:13:36,730 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]. [2024-02-02 09:13:36,731 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:13:36" (1/1) ... [2024-02-02 09:13:36,731 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:13:36" (1/1) ... [2024-02-02 09:13:36,740 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:13:36" (1/1) ... [2024-02-02 09:13:36,742 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:13:36" (1/1) ... [2024-02-02 09:13:36,744 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:13:36" (1/1) ... [2024-02-02 09:13:36,745 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:13:36" (1/1) ... [2024-02-02 09:13:36,749 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-02 09:13:36,750 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-02 09:13:36,750 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-02 09:13:36,750 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-02 09:13:36,751 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:13:36" (1/1) ... [2024-02-02 09:13:36,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-02 09:13:36,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-02 09:13:36,786 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) [2024-02-02 09:13:36,810 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 [2024-02-02 09:13:36,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-02 09:13:36,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-02 09:13:36,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-02 09:13:36,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-02 09:13:36,846 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-02 09:13:36,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-02 09:13:36,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-02 09:13:36,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-02 09:13:36,847 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-02-02 09:13:36,847 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-02-02 09:13:36,847 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-02-02 09:13:36,847 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-02-02 09:13:36,847 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-02-02 09:13:36,848 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-02-02 09:13:36,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-02 09:13:36,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-02 09:13:36,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-02 09:13:36,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-02 09:13:36,849 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-02 09:13:36,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-02 09:13:36,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-02 09:13:36,851 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-02 09:13:36,969 INFO L244 CfgBuilder]: Building ICFG [2024-02-02 09:13:36,971 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-02 09:13:37,420 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-02 09:13:37,421 INFO L293 CfgBuilder]: Performing block encoding [2024-02-02 09:13:37,724 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-02 09:13:37,725 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-02 09:13:37,725 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 09:13:37 BoogieIcfgContainer [2024-02-02 09:13:37,726 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-02 09:13:37,728 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-02 09:13:37,729 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-02 09:13:37,731 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-02 09:13:37,731 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 02.02 09:13:34" (1/4) ... [2024-02-02 09:13:37,732 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65b11cef and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 02.02 09:13:37, skipping insertion in model container [2024-02-02 09:13:37,732 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.02 09:13:35" (2/4) ... [2024-02-02 09:13:37,732 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65b11cef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 09:13:37, skipping insertion in model container [2024-02-02 09:13:37,733 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:13:36" (3/4) ... [2024-02-02 09:13:37,734 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65b11cef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 09:13:37, skipping insertion in model container [2024-02-02 09:13:37,734 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 09:13:37" (4/4) ... [2024-02-02 09:13:37,735 INFO L112 eAbstractionObserver]: Analyzing ICFG safe013_tso.i [2024-02-02 09:13:37,747 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-02 09:13:37,748 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 45 error locations. [2024-02-02 09:13:37,748 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-02 09:13:37,835 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-02-02 09:13:37,869 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 106 places, 97 transitions, 206 flow [2024-02-02 09:13:37,911 INFO L124 PetriNetUnfolderBase]: 1/94 cut-off events. [2024-02-02 09:13:37,911 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-02 09:13:37,915 INFO L83 FinitePrefix]: Finished finitePrefix Result has 104 conditions, 94 events. 1/94 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 382 event pairs, 0 based on Foata normal form. 0/48 useless extension candidates. Maximal degree in co-relation 94. Up to 2 conditions per place. [2024-02-02 09:13:37,915 INFO L82 GeneralOperation]: Start removeDead. Operand has 106 places, 97 transitions, 206 flow [2024-02-02 09:13:37,919 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 103 places, 94 transitions, 197 flow [2024-02-02 09:13:37,930 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-02 09:13:37,937 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;@bbd73d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-02 09:13:37,937 INFO L358 AbstractCegarLoop]: Starting to check reachability of 86 error locations. [2024-02-02 09:13:37,940 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-02 09:13:37,940 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-02-02 09:13:37,940 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-02 09:13:37,940 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-02 09:13:37,940 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-02-02 09:13:37,941 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 83 more)] === [2024-02-02 09:13:37,944 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-02 09:13:37,945 INFO L85 PathProgramCache]: Analyzing trace with hash 12732, now seen corresponding path program 1 times [2024-02-02 09:13:37,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-02 09:13:37,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586589705] [2024-02-02 09:13:37,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-02 09:13:37,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-02 09:13:38,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-02 09:13:38,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-02 09:13:38,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-02 09:13:38,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586589705] [2024-02-02 09:13:38,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586589705] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-02 09:13:38,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-02 09:13:38,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-02 09:13:38,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540634262] [2024-02-02 09:13:38,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-02 09:13:38,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-02 09:13:38,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-02 09:13:38,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-02 09:13:38,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-02 09:13:38,340 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 38 out of 97 [2024-02-02 09:13:38,343 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 94 transitions, 197 flow. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 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) [2024-02-02 09:13:38,343 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-02 09:13:38,344 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 38 of 97 [2024-02-02 09:13:38,344 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-02 09:13:44,649 INFO L124 PetriNetUnfolderBase]: 34735/56027 cut-off events. [2024-02-02 09:13:44,650 INFO L125 PetriNetUnfolderBase]: For 126/126 co-relation queries the response was YES. [2024-02-02 09:13:44,764 INFO L83 FinitePrefix]: Finished finitePrefix Result has 104371 conditions, 56027 events. 34735/56027 cut-off events. For 126/126 co-relation queries the response was YES. Maximal size of possible extension queue 2664. Compared 514533 event pairs, 24847 based on Foata normal form. 1200/34125 useless extension candidates. Maximal degree in co-relation 104358. Up to 47933 conditions per place. [2024-02-02 09:13:45,265 INFO L140 encePairwiseOnDemand]: 78/97 looper letters, 56 selfloop transitions, 4 changer transitions 0/95 dead transitions. [2024-02-02 09:13:45,266 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 95 transitions, 325 flow [2024-02-02 09:13:45,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-02 09:13:45,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-02 09:13:45,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 194 transitions. [2024-02-02 09:13:45,277 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6666666666666666 [2024-02-02 09:13:45,279 INFO L175 Difference]: Start difference. First operand has 103 places, 94 transitions, 197 flow. Second operand 3 states and 194 transitions. [2024-02-02 09:13:45,280 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 95 transitions, 325 flow [2024-02-02 09:13:45,286 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 95 transitions, 320 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-02-02 09:13:45,290 INFO L231 Difference]: Finished difference. Result has 91 places, 84 transitions, 196 flow [2024-02-02 09:13:45,293 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=168, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=196, PETRI_PLACES=91, PETRI_TRANSITIONS=84} [2024-02-02 09:13:45,297 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, -12 predicate places. [2024-02-02 09:13:45,298 INFO L495 AbstractCegarLoop]: Abstraction has has 91 places, 84 transitions, 196 flow [2024-02-02 09:13:45,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 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) [2024-02-02 09:13:45,303 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-02 09:13:45,304 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-02-02 09:13:45,304 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-02 09:13:45,304 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 83 more)] === [2024-02-02 09:13:45,305 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-02 09:13:45,305 INFO L85 PathProgramCache]: Analyzing trace with hash 379819989, now seen corresponding path program 1 times [2024-02-02 09:13:45,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-02 09:13:45,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482714987] [2024-02-02 09:13:45,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-02 09:13:45,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-02 09:13:45,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-02 09:13:45,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-02 09:13:45,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-02 09:13:45,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482714987] [2024-02-02 09:13:45,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482714987] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-02 09:13:45,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-02 09:13:45,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-02-02 09:13:45,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133949139] [2024-02-02 09:13:45,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-02 09:13:45,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-02-02 09:13:45,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-02 09:13:45,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-02-02 09:13:45,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-02-02 09:13:45,441 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 32 out of 97 [2024-02-02 09:13:45,442 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 84 transitions, 196 flow. Second operand has 4 states, 4 states have (on average 33.25) internal successors, (133), 4 states have internal predecessors, (133), 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) [2024-02-02 09:13:45,442 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-02 09:13:45,442 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 32 of 97 [2024-02-02 09:13:45,442 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-02 09:13:51,800 INFO L124 PetriNetUnfolderBase]: 37563/59814 cut-off events. [2024-02-02 09:13:51,801 INFO L125 PetriNetUnfolderBase]: For 5355/5355 co-relation queries the response was YES. [2024-02-02 09:13:51,960 INFO L83 FinitePrefix]: Finished finitePrefix Result has 118508 conditions, 59814 events. 37563/59814 cut-off events. For 5355/5355 co-relation queries the response was YES. Maximal size of possible extension queue 2741. Compared 541688 event pairs, 25821 based on Foata normal form. 5546/46358 useless extension candidates. Maximal degree in co-relation 118495. Up to 49128 conditions per place. [2024-02-02 09:13:52,235 INFO L140 encePairwiseOnDemand]: 89/97 looper letters, 82 selfloop transitions, 2 changer transitions 0/112 dead transitions. [2024-02-02 09:13:52,236 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 112 transitions, 438 flow [2024-02-02 09:13:52,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-02-02 09:13:52,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-02-02 09:13:52,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 213 transitions. [2024-02-02 09:13:52,242 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5489690721649485 [2024-02-02 09:13:52,242 INFO L175 Difference]: Start difference. First operand has 91 places, 84 transitions, 196 flow. Second operand 4 states and 213 transitions. [2024-02-02 09:13:52,242 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 112 transitions, 438 flow [2024-02-02 09:13:52,245 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 112 transitions, 432 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-02-02 09:13:52,246 INFO L231 Difference]: Finished difference. Result has 87 places, 78 transitions, 184 flow [2024-02-02 09:13:52,247 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=180, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=184, PETRI_PLACES=87, PETRI_TRANSITIONS=78} [2024-02-02 09:13:52,247 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, -16 predicate places. [2024-02-02 09:13:52,247 INFO L495 AbstractCegarLoop]: Abstraction has has 87 places, 78 transitions, 184 flow [2024-02-02 09:13:52,248 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.25) internal successors, (133), 4 states have internal predecessors, (133), 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) [2024-02-02 09:13:52,248 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-02 09:13:52,248 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-02-02 09:13:52,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-02-02 09:13:52,248 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 83 more)] === [2024-02-02 09:13:52,249 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-02 09:13:52,249 INFO L85 PathProgramCache]: Analyzing trace with hash -1110481771, now seen corresponding path program 1 times [2024-02-02 09:13:52,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-02 09:13:52,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974854914] [2024-02-02 09:13:52,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-02 09:13:52,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-02 09:13:52,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-02 09:13:52,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-02 09:13:52,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-02 09:13:52,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974854914] [2024-02-02 09:13:52,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974854914] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-02 09:13:52,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-02 09:13:52,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-02-02 09:13:52,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529531709] [2024-02-02 09:13:52,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-02 09:13:52,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-02-02 09:13:52,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-02 09:13:52,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-02-02 09:13:52,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-02-02 09:13:52,560 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 97 [2024-02-02 09:13:52,560 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 78 transitions, 184 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) [2024-02-02 09:13:52,560 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-02 09:13:52,561 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 97 [2024-02-02 09:13:52,561 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-02 09:14:00,700 INFO L124 PetriNetUnfolderBase]: 52397/82320 cut-off events. [2024-02-02 09:14:00,701 INFO L125 PetriNetUnfolderBase]: For 8466/8471 co-relation queries the response was YES. [2024-02-02 09:14:00,894 INFO L83 FinitePrefix]: Finished finitePrefix Result has 164463 conditions, 82320 events. 52397/82320 cut-off events. For 8466/8471 co-relation queries the response was YES. Maximal size of possible extension queue 3688. Compared 748084 event pairs, 37579 based on Foata normal form. 33/58034 useless extension candidates. Maximal degree in co-relation 164449. Up to 72085 conditions per place. [2024-02-02 09:14:01,244 INFO L140 encePairwiseOnDemand]: 91/97 looper letters, 72 selfloop transitions, 7 changer transitions 0/102 dead transitions. [2024-02-02 09:14:01,244 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 102 transitions, 404 flow [2024-02-02 09:14:01,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-02-02 09:14:01,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-02-02 09:14:01,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 184 transitions. [2024-02-02 09:14:01,246 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4742268041237113 [2024-02-02 09:14:01,246 INFO L175 Difference]: Start difference. First operand has 87 places, 78 transitions, 184 flow. Second operand 4 states and 184 transitions. [2024-02-02 09:14:01,246 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 102 transitions, 404 flow [2024-02-02 09:14:01,247 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 102 transitions, 400 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-02-02 09:14:01,249 INFO L231 Difference]: Finished difference. Result has 90 places, 81 transitions, 217 flow [2024-02-02 09:14:01,249 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=181, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=217, PETRI_PLACES=90, PETRI_TRANSITIONS=81} [2024-02-02 09:14:01,250 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, -13 predicate places. [2024-02-02 09:14:01,250 INFO L495 AbstractCegarLoop]: Abstraction has has 90 places, 81 transitions, 217 flow [2024-02-02 09:14:01,250 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) [2024-02-02 09:14:01,251 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-02 09:14:01,251 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-02-02 09:14:01,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-02-02 09:14:01,251 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 83 more)] === [2024-02-02 09:14:01,251 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-02 09:14:01,251 INFO L85 PathProgramCache]: Analyzing trace with hash -66197692, now seen corresponding path program 1 times [2024-02-02 09:14:01,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-02 09:14:01,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555097925] [2024-02-02 09:14:01,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-02 09:14:01,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-02 09:14:01,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-02 09:14:01,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-02 09:14:01,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-02 09:14:01,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555097925] [2024-02-02 09:14:01,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555097925] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-02 09:14:01,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-02 09:14:01,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-02-02 09:14:01,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585537846] [2024-02-02 09:14:01,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-02 09:14:01,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-02-02 09:14:01,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-02 09:14:01,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-02-02 09:14:01,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-02-02 09:14:01,350 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 33 out of 97 [2024-02-02 09:14:01,351 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 81 transitions, 217 flow. Second operand has 4 states, 4 states have (on average 34.75) internal successors, (139), 4 states have internal predecessors, (139), 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) [2024-02-02 09:14:01,351 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-02 09:14:01,351 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 33 of 97 [2024-02-02 09:14:01,351 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand