./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/chl-poker-hand-subst.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/chl-poker-hand-subst.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a4c57e3 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/weaver/chl-poker-hand-subst.wvr.c ./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/chl-poker-hand-subst.wvr.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.witness-ghost-4a4c57e-m [2024-09-07 21:17:42,043 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-07 21:17:42,110 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-07 21:17:42,115 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-07 21:17:42,116 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-07 21:17:42,137 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-07 21:17:42,137 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-07 21:17:42,137 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-07 21:17:42,138 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-07 21:17:42,140 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-07 21:17:42,141 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-07 21:17:42,142 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-07 21:17:42,142 INFO L153 SettingsManager]: * Use SBE=true [2024-09-07 21:17:42,142 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-07 21:17:42,142 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-07 21:17:42,143 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-07 21:17:42,143 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-07 21:17:42,143 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-07 21:17:42,144 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-07 21:17:42,144 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-07 21:17:42,144 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-07 21:17:42,144 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-07 21:17:42,144 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-07 21:17:42,145 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-07 21:17:42,145 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-07 21:17:42,145 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-07 21:17:42,145 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-07 21:17:42,145 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-07 21:17:42,145 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-07 21:17:42,145 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-07 21:17:42,146 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-07 21:17:42,146 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-07 21:17:42,147 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-07 21:17:42,147 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-07 21:17:42,147 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-07 21:17:42,147 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-07 21:17:42,148 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-07 21:17:42,148 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-07 21:17:42,148 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-07 21:17:42,148 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-07 21:17:42,148 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-07 21:17:42,149 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/UGemCutter-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-09-07 21:17:42,348 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-07 21:17:42,368 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-07 21:17:42,370 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-07 21:17:42,371 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-07 21:17:42,372 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-07 21:17:42,373 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/chl-poker-hand-subst.wvr.yml/witness.yml [2024-09-07 21:17:42,454 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-07 21:17:42,454 INFO L274 PluginConnector]: CDTParser initialized [2024-09-07 21:17:42,454 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/chl-poker-hand-subst.wvr.c [2024-09-07 21:17:43,626 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-07 21:17:43,822 INFO L384 CDTParser]: Found 1 translation units. [2024-09-07 21:17:43,822 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-poker-hand-subst.wvr.c [2024-09-07 21:17:43,836 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/45edc3587/fa8cd0cb77a347b58af223159011ef0b/FLAGc947e4284 [2024-09-07 21:17:43,852 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/45edc3587/fa8cd0cb77a347b58af223159011ef0b [2024-09-07 21:17:43,853 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-07 21:17:43,854 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-07 21:17:43,858 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-07 21:17:43,858 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-07 21:17:43,862 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-07 21:17:43,863 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.09 09:17:42" (1/2) ... [2024-09-07 21:17:43,864 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c4acb27 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.09 09:17:43, skipping insertion in model container [2024-09-07 21:17:43,864 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.09 09:17:42" (1/2) ... [2024-09-07 21:17:43,865 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7cf712ed and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.09 09:17:43, skipping insertion in model container [2024-09-07 21:17:43,865 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 09:17:43" (2/2) ... [2024-09-07 21:17:43,866 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c4acb27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:17:43, skipping insertion in model container [2024-09-07 21:17:43,866 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 09:17:43" (2/2) ... [2024-09-07 21:17:43,887 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-07 21:17:43,888 INFO L1541 ArrayList]: Location invariant before [L339-L339] ! multithreaded || ((((((((((((((((((((((((((((4294967295LL - (long long )i1_13) + (long long )result_12 >= 0LL && (4294967295LL - (long long )i1_13) + (long long )i2_15 >= 0LL) && (4294967295LL - (long long )i1_13) + (long long )result_17 >= 0LL) && (4294967295LL - (long long )i1_13) + (long long )i1_18 >= 0LL) && (4294967295LL - (long long )i1_13) + (long long )i2_20 >= 0LL) && (4294967295LL - (long long )i1_13) + (long long )result_22 >= 0LL) && (4294967295LL - (long long )i1_13) + (long long )i1_23 >= 0LL) && (4294967295LL - (long long )i1_13) + (long long )i2_25 >= 0LL) && (2147483647LL + (long long )break_14) - (long long )i1_13 >= 0LL) && (2147483647LL + (long long )break_16) - (long long )i1_13 >= 0LL) && (2147483647LL + (long long )break_19) - (long long )i1_13 >= 0LL) && (2147483647LL + (long long )break_21) - (long long )i1_13 >= 0LL) && (2147483647LL + (long long )break_24) - (long long )i1_13 >= 0LL) && (2147483647LL + (long long )break_26) - (long long )i1_13 >= 0LL) && (2147483648LL - (long long )break_14) - (long long )i1_13 >= 0LL) && (2147483648LL - (long long )break_16) - (long long )i1_13 >= 0LL) && (2147483648LL - (long long )break_19) - (long long )i1_13 >= 0LL) && (2147483648LL - (long long )break_21) - (long long )i1_13 >= 0LL) && (2147483648LL - (long long )break_24) - (long long )i1_13 >= 0LL) && (2147483648LL - (long long )break_26) - (long long )i1_13 >= 0LL) && (4294967294LL - (long long )i1_13) - (long long )result_12 >= 0LL) && (4294967294LL - (long long )i1_13) - (long long )i2_15 >= 0LL) && (4294967294LL - (long long )i1_13) - (long long )result_17 >= 0LL) && (4294967294LL - (long long )i1_13) - (long long )i1_18 >= 0LL) && (4294967294LL - (long long )i1_13) - (long long )i2_20 >= 0LL) && (4294967294LL - (long long )i1_13) - (long long )result_22 >= 0LL) && (4294967294LL - (long long )i1_13) - (long long )i1_23 >= 0LL) && (4294967294LL - (long long )i1_13) - (long long )i2_25 >= 0LL) [2024-09-07 21:17:43,889 INFO L1541 ArrayList]: Location invariant before [L338-L338] ! multithreaded || ((((((((((((((((((((((((((((4294967295LL - (long long )i1_13) + (long long )result_12 >= 0LL && (4294967295LL - (long long )i1_13) + (long long )i2_15 >= 0LL) && (4294967295LL - (long long )i1_13) + (long long )result_17 >= 0LL) && (4294967295LL - (long long )i1_13) + (long long )i1_18 >= 0LL) && (4294967295LL - (long long )i1_13) + (long long )i2_20 >= 0LL) && (4294967295LL - (long long )i1_13) + (long long )result_22 >= 0LL) && (4294967295LL - (long long )i1_13) + (long long )i1_23 >= 0LL) && (4294967295LL - (long long )i1_13) + (long long )i2_25 >= 0LL) && (2147483647LL + (long long )break_14) - (long long )i1_13 >= 0LL) && (2147483647LL + (long long )break_16) - (long long )i1_13 >= 0LL) && (2147483647LL + (long long )break_19) - (long long )i1_13 >= 0LL) && (2147483647LL + (long long )break_21) - (long long )i1_13 >= 0LL) && (2147483647LL + (long long )break_24) - (long long )i1_13 >= 0LL) && (2147483647LL + (long long )break_26) - (long long )i1_13 >= 0LL) && (2147483648LL - (long long )break_14) - (long long )i1_13 >= 0LL) && (2147483648LL - (long long )break_16) - (long long )i1_13 >= 0LL) && (2147483648LL - (long long )break_19) - (long long )i1_13 >= 0LL) && (2147483648LL - (long long )break_21) - (long long )i1_13 >= 0LL) && (2147483648LL - (long long )break_24) - (long long )i1_13 >= 0LL) && (2147483648LL - (long long )break_26) - (long long )i1_13 >= 0LL) && (4294967294LL - (long long )i1_13) - (long long )result_12 >= 0LL) && (4294967294LL - (long long )i1_13) - (long long )i2_15 >= 0LL) && (4294967294LL - (long long )i1_13) - (long long )result_17 >= 0LL) && (4294967294LL - (long long )i1_13) - (long long )i1_18 >= 0LL) && (4294967294LL - (long long )i1_13) - (long long )i2_20 >= 0LL) && (4294967294LL - (long long )i1_13) - (long long )result_22 >= 0LL) && (4294967294LL - (long long )i1_13) - (long long )i1_23 >= 0LL) && (4294967294LL - (long long )i1_13) - (long long )i2_25 >= 0LL) [2024-09-07 21:17:43,889 INFO L1541 ArrayList]: Location invariant before [L337-L337] ! multithreaded || ((((((((((((((((((((((((((((4294967295LL - (long long )i1_13) + (long long )result_12 >= 0LL && (4294967295LL - (long long )i1_13) + (long long )i2_15 >= 0LL) && (4294967295LL - (long long )i1_13) + (long long )result_17 >= 0LL) && (4294967295LL - (long long )i1_13) + (long long )i1_18 >= 0LL) && (4294967295LL - (long long )i1_13) + (long long )i2_20 >= 0LL) && (4294967295LL - (long long )i1_13) + (long long )result_22 >= 0LL) && (4294967295LL - (long long )i1_13) + (long long )i1_23 >= 0LL) && (4294967295LL - (long long )i1_13) + (long long )i2_25 >= 0LL) && (2147483647LL + (long long )break_14) - (long long )i1_13 >= 0LL) && (2147483647LL + (long long )break_16) - (long long )i1_13 >= 0LL) && (2147483647LL + (long long )break_19) - (long long )i1_13 >= 0LL) && (2147483647LL + (long long )break_21) - (long long )i1_13 >= 0LL) && (2147483647LL + (long long )break_24) - (long long )i1_13 >= 0LL) && (2147483647LL + (long long )break_26) - (long long )i1_13 >= 0LL) && (2147483648LL - (long long )break_14) - (long long )i1_13 >= 0LL) && (2147483648LL - (long long )break_16) - (long long )i1_13 >= 0LL) && (2147483648LL - (long long )break_19) - (long long )i1_13 >= 0LL) && (2147483648LL - (long long )break_21) - (long long )i1_13 >= 0LL) && (2147483648LL - (long long )break_24) - (long long )i1_13 >= 0LL) && (2147483648LL - (long long )break_26) - (long long )i1_13 >= 0LL) && (4294967294LL - (long long )i1_13) - (long long )result_12 >= 0LL) && (4294967294LL - (long long )i1_13) - (long long )i2_15 >= 0LL) && (4294967294LL - (long long )i1_13) - (long long )result_17 >= 0LL) && (4294967294LL - (long long )i1_13) - (long long )i1_18 >= 0LL) && (4294967294LL - (long long )i1_13) - (long long )i2_20 >= 0LL) && (4294967294LL - (long long )i1_13) - (long long )result_22 >= 0LL) && (4294967294LL - (long long )i1_13) - (long long )i1_23 >= 0LL) && (4294967294LL - (long long )i1_13) - (long long )i2_25 >= 0LL) [2024-09-07 21:17:43,889 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-09-07 21:17:43,889 INFO L1541 ArrayList]: ghost_update [L336-L336] multithreaded = 1; [2024-09-07 21:17:43,923 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-07 21:17:44,200 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-07 21:17:44,207 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-07 21:17:44,317 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-07 21:17:44,333 INFO L204 MainTranslator]: Completed translation [2024-09-07 21:17:44,334 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:17:44 WrapperNode [2024-09-07 21:17:44,334 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-07 21:17:44,337 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-07 21:17:44,338 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-07 21:17:44,338 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-07 21:17:44,358 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:17:44" (1/1) ... [2024-09-07 21:17:44,384 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:17:44" (1/1) ... [2024-09-07 21:17:44,481 INFO L138 Inliner]: procedures = 25, calls = 440, calls flagged for inlining = 101, calls inlined = 145, statements flattened = 2401 [2024-09-07 21:17:44,481 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-07 21:17:44,482 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-07 21:17:44,482 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-07 21:17:44,482 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-07 21:17:44,491 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:17:44" (1/1) ... [2024-09-07 21:17:44,492 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:17:44" (1/1) ... [2024-09-07 21:17:44,510 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:17:44" (1/1) ... [2024-09-07 21:17:44,510 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:17:44" (1/1) ... [2024-09-07 21:17:44,551 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:17:44" (1/1) ... [2024-09-07 21:17:44,569 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:17:44" (1/1) ... [2024-09-07 21:17:44,574 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:17:44" (1/1) ... [2024-09-07 21:17:44,582 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:17:44" (1/1) ... [2024-09-07 21:17:44,592 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-07 21:17:44,593 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-07 21:17:44,593 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-07 21:17:44,593 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-07 21:17:44,594 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:17:44" (1/1) ... [2024-09-07 21:17:44,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-07 21:17:44,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-07 21:17:44,624 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-09-07 21:17:44,629 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-09-07 21:17:44,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-07 21:17:44,673 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-09-07 21:17:44,674 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-09-07 21:17:44,674 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-09-07 21:17:44,674 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-09-07 21:17:44,674 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-09-07 21:17:44,675 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-09-07 21:17:44,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-07 21:17:44,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-07 21:17:44,676 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-09-07 21:17:44,676 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-09-07 21:17:44,676 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-09-07 21:17:44,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-07 21:17:44,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-07 21:17:44,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-07 21:17:44,680 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-09-07 21:17:44,852 INFO L242 CfgBuilder]: Building ICFG [2024-09-07 21:17:44,853 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-07 21:17:46,691 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-07 21:17:46,692 INFO L291 CfgBuilder]: Performing block encoding [2024-09-07 21:17:48,850 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-07 21:17:48,851 INFO L318 CfgBuilder]: Removed 18 assume(true) statements. [2024-09-07 21:17:48,851 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 09:17:48 BoogieIcfgContainer [2024-09-07 21:17:48,851 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-07 21:17:48,852 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-07 21:17:48,853 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-07 21:17:48,858 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-07 21:17:48,859 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.09 09:17:42" (1/4) ... [2024-09-07 21:17:48,859 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@277b298d and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.09 09:17:48, skipping insertion in model container [2024-09-07 21:17:48,859 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.09 09:17:43" (2/4) ... [2024-09-07 21:17:48,859 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@277b298d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 09:17:48, skipping insertion in model container [2024-09-07 21:17:48,860 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:17:44" (3/4) ... [2024-09-07 21:17:48,860 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@277b298d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 09:17:48, skipping insertion in model container [2024-09-07 21:17:48,860 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 09:17:48" (4/4) ... [2024-09-07 21:17:48,861 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-poker-hand-subst.wvr.c [2024-09-07 21:17:48,883 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-07 21:17:48,883 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-09-07 21:17:48,883 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-07 21:17:49,338 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-09-07 21:17:49,378 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-07 21:17:49,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-07 21:17:49,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-07 21:17:49,380 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-09-07 21:17:49,382 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-09-07 21:17:49,422 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-07 21:17:49,433 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-07 21:17:49,526 INFO L336 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, 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;@25adaef0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-07 21:17:49,527 INFO L337 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-09-07 21:17:49,875 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-07 21:17:49,882 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-07 21:17:49,882 INFO L85 PathProgramCache]: Analyzing trace with hash 494076472, now seen corresponding path program 1 times [2024-09-07 21:17:49,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-07 21:17:49,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959080654] [2024-09-07 21:17:49,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 21:17:49,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-07 21:17:50,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 21:17:50,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-07 21:17:50,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-07 21:17:50,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959080654] [2024-09-07 21:17:50,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959080654] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-07 21:17:50,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-07 21:17:50,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-07 21:17:50,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246549468] [2024-09-07 21:17:50,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-07 21:17:50,357 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-07 21:17:50,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-07 21:17:50,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-07 21:17:50,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-07 21:17:50,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:17:50,383 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-07 21:17:50,384 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 2 states have internal predecessors, (20), 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) [2024-09-07 21:17:50,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:17:50,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:17:50,463 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-07 21:17:50,464 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-07 21:17:50,465 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-07 21:17:50,465 INFO L85 PathProgramCache]: Analyzing trace with hash -735229225, now seen corresponding path program 1 times [2024-09-07 21:17:50,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-07 21:17:50,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286480479] [2024-09-07 21:17:50,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 21:17:50,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-07 21:17:50,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 21:17:50,707 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-09-07 21:17:50,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-07 21:17:50,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286480479] [2024-09-07 21:17:50,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286480479] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-07 21:17:50,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-07 21:17:50,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-07 21:17:50,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103832586] [2024-09-07 21:17:50,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-07 21:17:50,710 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-07 21:17:50,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-07 21:17:50,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-07 21:17:50,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-07 21:17:50,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:17:50,713 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-07 21:17:50,713 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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) [2024-09-07 21:17:50,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:17:50,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:17:50,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:17:50,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:17:50,938 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-09-07 21:17:50,939 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-07 21:17:50,939 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-07 21:17:50,943 INFO L85 PathProgramCache]: Analyzing trace with hash -827897854, now seen corresponding path program 1 times [2024-09-07 21:17:50,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-07 21:17:50,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413743070] [2024-09-07 21:17:50,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 21:17:50,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-07 21:17:51,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 21:17:51,260 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-09-07 21:17:51,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-07 21:17:51,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413743070] [2024-09-07 21:17:51,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413743070] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-07 21:17:51,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [102466108] [2024-09-07 21:17:51,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 21:17:51,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-07 21:17:51,261 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-07 21:17:51,279 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-07 21:17:51,281 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-09-07 21:17:51,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 21:17:51,745 INFO L262 TraceCheckSpWp]: Trace formula consists of 525 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-09-07 21:17:51,750 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-07 21:17:51,789 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-09-07 21:17:51,789 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-07 21:17:51,819 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-09-07 21:17:51,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [102466108] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-07 21:17:51,821 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-07 21:17:51,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2024-09-07 21:17:51,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025025423] [2024-09-07 21:17:51,822 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-07 21:17:51,822 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-09-07 21:17:51,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-07 21:17:51,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-09-07 21:17:51,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2024-09-07 21:17:51,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:17:51,825 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-07 21:17:51,826 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 7 states have internal predecessors, (32), 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) [2024-09-07 21:17:51,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:17:51,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:17:51,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:17:52,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:17:52,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:17:52,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-07 21:17:52,028 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-09-07 21:17:52,215 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-09-07 21:17:52,216 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-07 21:17:52,216 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-07 21:17:52,217 INFO L85 PathProgramCache]: Analyzing trace with hash -697888872, now seen corresponding path program 1 times [2024-09-07 21:17:52,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-07 21:17:52,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004174714] [2024-09-07 21:17:52,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 21:17:52,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-07 21:17:52,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 21:17:52,620 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-09-07 21:17:52,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-07 21:17:52,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004174714] [2024-09-07 21:17:52,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004174714] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-07 21:17:52,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1044563507] [2024-09-07 21:17:52,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 21:17:52,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-07 21:17:52,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-07 21:17:52,623 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-07 21:17:52,624 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-09-07 21:17:53,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 21:17:53,035 INFO L262 TraceCheckSpWp]: Trace formula consists of 795 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-09-07 21:17:53,038 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-07 21:17:53,117 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-09-07 21:17:53,118 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-07 21:17:53,189 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-09-07 21:17:53,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1044563507] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-07 21:17:53,190 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-07 21:17:53,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 16 [2024-09-07 21:17:53,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183851826] [2024-09-07 21:17:53,190 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-07 21:17:53,191 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-09-07 21:17:53,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-07 21:17:53,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-09-07 21:17:53,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=166, Unknown=0, NotChecked=0, Total=272 [2024-09-07 21:17:53,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:17:53,192 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-07 21:17:53,192 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.764705882352941) internal successors, (47), 16 states have internal predecessors, (47), 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) [2024-09-07 21:17:53,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:17:53,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:17:53,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-07 21:17:53,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:17:53,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:17:53,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:17:53,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-07 21:17:53,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-07 21:17:53,494 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-09-07 21:17:53,678 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-07 21:17:53,679 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-07 21:17:53,679 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-07 21:17:53,679 INFO L85 PathProgramCache]: Analyzing trace with hash 518011970, now seen corresponding path program 2 times [2024-09-07 21:17:53,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-07 21:17:53,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452433734] [2024-09-07 21:17:53,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 21:17:53,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-07 21:17:53,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 21:17:54,132 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2024-09-07 21:17:54,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-07 21:17:54,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452433734] [2024-09-07 21:17:54,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452433734] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-07 21:17:54,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1627678520] [2024-09-07 21:17:54,134 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-07 21:17:54,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-07 21:17:54,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-07 21:17:54,135 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-07 21:17:54,137 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-09-07 21:17:54,576 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-09-07 21:17:54,576 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-07 21:17:54,582 INFO L262 TraceCheckSpWp]: Trace formula consists of 471 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-09-07 21:17:54,586 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-07 21:17:54,894 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2024-09-07 21:17:54,894 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-07 21:17:54,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1627678520] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-07 21:17:54,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-07 21:17:54,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 10 [2024-09-07 21:17:54,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520202395] [2024-09-07 21:17:54,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-07 21:17:54,895 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-07 21:17:54,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-07 21:17:54,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-07 21:17:54,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-09-07 21:17:54,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:17:54,896 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-07 21:17:54,896 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 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) [2024-09-07 21:17:54,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:17:54,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:17:54,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-07 21:17:54,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-07 21:17:54,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:18:02,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:18:02,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:18:02,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-07 21:18:02,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-07 21:18:02,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-07 21:18:02,829 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-09-07 21:18:03,011 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-07 21:18:03,012 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-07 21:18:03,012 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-07 21:18:03,013 INFO L85 PathProgramCache]: Analyzing trace with hash 810161436, now seen corresponding path program 1 times [2024-09-07 21:18:03,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-07 21:18:03,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369335728] [2024-09-07 21:18:03,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 21:18:03,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-07 21:18:03,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 21:18:03,571 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2024-09-07 21:18:03,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-07 21:18:03,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369335728] [2024-09-07 21:18:03,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369335728] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-07 21:18:03,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [700200494] [2024-09-07 21:18:03,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 21:18:03,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-07 21:18:03,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-07 21:18:03,573 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-07 21:18:03,576 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-09-07 21:18:04,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 21:18:04,097 INFO L262 TraceCheckSpWp]: Trace formula consists of 1061 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-09-07 21:18:04,100 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-07 21:18:04,181 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2024-09-07 21:18:04,182 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-07 21:18:04,267 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2024-09-07 21:18:04,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [700200494] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-07 21:18:04,267 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-07 21:18:04,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 20 [2024-09-07 21:18:04,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336160987] [2024-09-07 21:18:04,268 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-07 21:18:04,268 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-09-07 21:18:04,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-07 21:18:04,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-09-07 21:18:04,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=175, Invalid=205, Unknown=0, NotChecked=0, Total=380 [2024-09-07 21:18:04,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:18:04,270 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-07 21:18:04,270 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 3.8) internal successors, (76), 20 states have internal predecessors, (76), 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) [2024-09-07 21:18:04,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:18:04,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:18:04,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-07 21:18:04,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-07 21:18:04,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-07 21:18:04,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:18:04,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:18:04,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:18:04,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-07 21:18:04,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-07 21:18:04,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-07 21:18:04,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-07 21:18:04,790 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-09-07 21:18:04,974 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-09-07 21:18:04,974 INFO L399 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-07 21:18:04,975 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-07 21:18:04,975 INFO L85 PathProgramCache]: Analyzing trace with hash -2102389455, now seen corresponding path program 2 times [2024-09-07 21:18:04,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-07 21:18:04,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980142437] [2024-09-07 21:18:04,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 21:18:04,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-07 21:18:05,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 21:18:05,894 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2024-09-07 21:18:05,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-07 21:18:05,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980142437] [2024-09-07 21:18:05,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980142437] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-07 21:18:05,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [226955421] [2024-09-07 21:18:05,895 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-07 21:18:05,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-07 21:18:05,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-07 21:18:05,897 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-07 21:18:05,899 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-09-07 21:18:06,374 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-09-07 21:18:06,374 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-07 21:18:06,378 INFO L262 TraceCheckSpWp]: Trace formula consists of 575 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-09-07 21:18:06,381 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-07 21:18:06,473 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2024-09-07 21:18:06,473 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-07 21:18:06,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [226955421] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-07 21:18:06,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-07 21:18:06,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [15] total 18 [2024-09-07 21:18:06,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561808926] [2024-09-07 21:18:06,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-07 21:18:06,474 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-07 21:18:06,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-07 21:18:06,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-07 21:18:06,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=193, Unknown=0, NotChecked=0, Total=306 [2024-09-07 21:18:06,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:18:06,475 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-07 21:18:06,475 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 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) [2024-09-07 21:18:06,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:18:06,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:18:06,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-07 21:18:06,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-07 21:18:06,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-07 21:18:06,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-07 21:18:06,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:18:10,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:18:10,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:18:10,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-07 21:18:10,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-07 21:18:10,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-07 21:18:10,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-07 21:18:10,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-07 21:18:10,467 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-09-07 21:18:10,647 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-07 21:18:10,648 INFO L399 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-07 21:18:10,648 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-07 21:18:10,648 INFO L85 PathProgramCache]: Analyzing trace with hash 1263909774, now seen corresponding path program 1 times [2024-09-07 21:18:10,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-07 21:18:10,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728868014] [2024-09-07 21:18:10,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 21:18:10,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-07 21:18:10,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 21:18:11,329 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2024-09-07 21:18:11,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-07 21:18:11,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728868014] [2024-09-07 21:18:11,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728868014] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-07 21:18:11,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1095698135] [2024-09-07 21:18:11,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 21:18:11,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-07 21:18:11,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-07 21:18:11,333 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-07 21:18:11,334 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-09-07 21:18:11,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 21:18:11,882 INFO L262 TraceCheckSpWp]: Trace formula consists of 1244 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-09-07 21:18:11,885 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-07 21:18:12,090 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2024-09-07 21:18:12,091 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-07 21:18:12,342 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2024-09-07 21:18:12,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1095698135] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-07 21:18:12,343 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-07 21:18:12,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 41 [2024-09-07 21:18:12,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916518374] [2024-09-07 21:18:12,343 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-07 21:18:12,343 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2024-09-07 21:18:12,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-07 21:18:12,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2024-09-07 21:18:12,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=586, Invalid=1054, Unknown=0, NotChecked=0, Total=1640 [2024-09-07 21:18:12,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:18:12,345 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-07 21:18:12,345 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 2.317073170731707) internal successors, (95), 41 states have internal predecessors, (95), 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) [2024-09-07 21:18:12,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:18:12,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:18:12,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-07 21:18:12,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-07 21:18:12,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-07 21:18:12,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-07 21:18:12,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-07 21:18:12,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:18:12,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:18:12,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:18:12,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-07 21:18:12,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-07 21:18:12,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-07 21:18:12,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-07 21:18:12,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-07 21:18:12,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-09-07 21:18:12,989 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-09-07 21:18:13,173 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-09-07 21:18:13,173 INFO L399 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-07 21:18:13,173 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-07 21:18:13,173 INFO L85 PathProgramCache]: Analyzing trace with hash -891513671, now seen corresponding path program 2 times [2024-09-07 21:18:13,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-07 21:18:13,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119171491] [2024-09-07 21:18:13,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 21:18:13,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-07 21:18:13,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 21:18:14,468 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-09-07 21:18:14,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-07 21:18:14,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119171491] [2024-09-07 21:18:14,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119171491] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-07 21:18:14,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-07 21:18:14,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-07 21:18:14,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839282172] [2024-09-07 21:18:14,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-07 21:18:14,471 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-07 21:18:14,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-07 21:18:14,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-07 21:18:14,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-09-07 21:18:14,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:18:14,472 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-07 21:18:14,472 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 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) [2024-09-07 21:18:14,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:18:14,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:18:14,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-07 21:18:14,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-07 21:18:14,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-07 21:18:14,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-07 21:18:14,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-07 21:18:14,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-09-07 21:18:14,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:18:18,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:18:18,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:18:18,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-07 21:18:18,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-07 21:18:18,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-07 21:18:18,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-07 21:18:18,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-07 21:18:18,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-09-07 21:18:18,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:18:18,647 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-09-07 21:18:18,647 INFO L399 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-07 21:18:18,647 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-07 21:18:18,647 INFO L85 PathProgramCache]: Analyzing trace with hash -953159588, now seen corresponding path program 1 times [2024-09-07 21:18:18,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-07 21:18:18,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072534306] [2024-09-07 21:18:18,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 21:18:18,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-07 21:18:18,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 21:18:20,588 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-09-07 21:18:20,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-07 21:18:20,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072534306] [2024-09-07 21:18:20,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072534306] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-07 21:18:20,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-07 21:18:20,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-07 21:18:20,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678352028] [2024-09-07 21:18:20,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-07 21:18:20,589 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-07 21:18:20,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-07 21:18:20,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-07 21:18:20,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-07 21:18:20,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:18:20,593 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-07 21:18:20,593 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 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) [2024-09-07 21:18:20,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:18:20,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:18:20,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-07 21:18:20,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-07 21:18:20,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-07 21:18:20,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-07 21:18:20,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-07 21:18:20,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-09-07 21:18:20,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:18:20,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:18:51,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:18:51,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:18:51,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-07 21:18:51,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-07 21:18:51,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-07 21:18:51,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-07 21:18:51,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-07 21:18:51,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-09-07 21:18:51,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-07 21:18:51,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:18:51,985 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 6 remaining) [2024-09-07 21:18:51,985 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 6 remaining) [2024-09-07 21:18:51,985 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 6 remaining) [2024-09-07 21:18:51,985 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining) [2024-09-07 21:18:51,985 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining) [2024-09-07 21:18:51,985 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 6 remaining) [2024-09-07 21:18:51,985 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-09-07 21:18:51,990 INFO L408 BasicCegarLoop]: Path program histogram: [2, 2, 2, 1, 1, 1, 1] [2024-09-07 21:18:51,992 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-09-07 21:18:51,992 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-07 21:18:51,993 INFO L469 ceAbstractionStarter]: Automizer considered 3 witness invariants [2024-09-07 21:18:51,993 INFO L470 ceAbstractionStarter]: WitnessConsidered=3 [2024-09-07 21:18:51,994 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.09 09:18:51 BasicIcfg [2024-09-07 21:18:51,994 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-07 21:18:51,995 INFO L158 Benchmark]: Toolchain (without parser) took 68141.05ms. Allocated memory was 174.1MB in the beginning and 1.5GB in the end (delta: 1.4GB). Free memory was 100.7MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 995.5MB. Max. memory is 16.1GB. [2024-09-07 21:18:51,995 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 123.7MB. Free memory is still 86.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-07 21:18:51,995 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 174.1MB. Free memory was 146.8MB in the beginning and 146.6MB in the end (delta: 267.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-07 21:18:51,995 INFO L158 Benchmark]: CACSL2BoogieTranslator took 476.80ms. Allocated memory is still 174.1MB. Free memory was 100.7MB in the beginning and 69.4MB in the end (delta: 31.3MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-09-07 21:18:51,995 INFO L158 Benchmark]: Boogie Procedure Inliner took 143.58ms. Allocated memory is still 174.1MB. Free memory was 69.4MB in the beginning and 128.8MB in the end (delta: -59.3MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. [2024-09-07 21:18:51,996 INFO L158 Benchmark]: Boogie Preprocessor took 111.03ms. Allocated memory is still 174.1MB. Free memory was 128.8MB in the beginning and 117.0MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-07 21:18:51,996 INFO L158 Benchmark]: RCFGBuilder took 4258.03ms. Allocated memory was 174.1MB in the beginning and 373.3MB in the end (delta: 199.2MB). Free memory was 117.0MB in the beginning and 145.5MB in the end (delta: -28.5MB). Peak memory consumption was 188.3MB. Max. memory is 16.1GB. [2024-09-07 21:18:51,996 INFO L158 Benchmark]: TraceAbstraction took 63141.83ms. Allocated memory was 373.3MB in the beginning and 1.5GB in the end (delta: 1.2GB). Free memory was 144.5MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 836.9MB. Max. memory is 16.1GB. [2024-09-07 21:18:51,997 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.14ms. Allocated memory is still 123.7MB. Free memory is still 86.6MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.09ms. Allocated memory is still 174.1MB. Free memory was 146.8MB in the beginning and 146.6MB in the end (delta: 267.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 476.80ms. Allocated memory is still 174.1MB. Free memory was 100.7MB in the beginning and 69.4MB in the end (delta: 31.3MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 143.58ms. Allocated memory is still 174.1MB. Free memory was 69.4MB in the beginning and 128.8MB in the end (delta: -59.3MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 111.03ms. Allocated memory is still 174.1MB. Free memory was 128.8MB in the beginning and 117.0MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 4258.03ms. Allocated memory was 174.1MB in the beginning and 373.3MB in the end (delta: 199.2MB). Free memory was 117.0MB in the beginning and 145.5MB in the end (delta: -28.5MB). Peak memory consumption was 188.3MB. Max. memory is 16.1GB. * TraceAbstraction took 63141.83ms. Allocated memory was 373.3MB in the beginning and 1.5GB in the end (delta: 1.2GB). Free memory was 144.5MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 836.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 339530, independent: 307120, independent conditional: 296688, independent unconditional: 10432, dependent: 30220, dependent conditional: 30088, dependent unconditional: 132, unknown: 2190, unknown conditional: 2183, unknown unconditional: 7] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 309443, independent: 307120, independent conditional: 296688, independent unconditional: 10432, dependent: 133, dependent conditional: 1, dependent unconditional: 132, unknown: 2190, unknown conditional: 2183, unknown unconditional: 7] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 309443, independent: 307120, independent conditional: 296688, independent unconditional: 10432, dependent: 133, dependent conditional: 1, dependent unconditional: 132, unknown: 2190, unknown conditional: 2183, unknown unconditional: 7] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 345287, independent: 307120, independent conditional: 296688, independent unconditional: 10432, dependent: 30748, dependent conditional: 30616, dependent unconditional: 132, unknown: 7419, unknown conditional: 7412, unknown unconditional: 7] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 345287, independent: 307120, independent conditional: 18110, independent unconditional: 289010, dependent: 30748, dependent conditional: 13276, dependent unconditional: 17472, unknown: 7419, unknown conditional: 4458, unknown unconditional: 2961] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 345287, independent: 307120, independent conditional: 18110, independent unconditional: 289010, dependent: 30748, dependent conditional: 13276, dependent unconditional: 17472, unknown: 7419, unknown conditional: 4458, unknown unconditional: 2961] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 9531, independent: 9294, independent conditional: 54, independent unconditional: 9240, dependent: 205, dependent conditional: 63, dependent unconditional: 142, unknown: 32, unknown conditional: 22, unknown unconditional: 10] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 9531, independent: 9158, independent conditional: 0, independent unconditional: 9158, dependent: 373, dependent conditional: 0, dependent unconditional: 373, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 373, independent: 136, independent conditional: 54, independent unconditional: 82, dependent: 205, dependent conditional: 63, dependent unconditional: 142, unknown: 32, unknown conditional: 22, unknown unconditional: 10] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 373, independent: 136, independent conditional: 54, independent unconditional: 82, dependent: 205, dependent conditional: 63, dependent unconditional: 142, unknown: 32, unknown conditional: 22, unknown unconditional: 10] , SemanticIndependenceRelation.Query Time [ms]: [ total: 41876, independent: 3984, independent conditional: 2291, independent unconditional: 1694, dependent: 5116, dependent conditional: 1642, dependent unconditional: 3475, unknown: 32775, unknown conditional: 22588, unknown unconditional: 10188] , Protected Queries: 0 ], Cache Queries: [ total: 345287, independent: 297826, independent conditional: 18056, independent unconditional: 279770, dependent: 30543, dependent conditional: 13213, dependent unconditional: 17330, unknown: 16918, unknown conditional: 4575, unknown unconditional: 12343] , Statistics on independence cache: Total cache size (in pairs): 9499, Positive cache size: 9294, Positive conditional cache size: 54, Positive unconditional cache size: 9240, Negative cache size: 205, Negative conditional cache size: 63, Negative unconditional cache size: 142, Unknown cache size: 32, Unknown conditional cache size: 22, Unknown unconditional cache size: 10, Eliminated conditions: 298872, Maximal queried relation: 4, Independence queries for same thread: 30087, Persistent sets #1 benchmarks: Persistent set computation time: 12.2s, Number of persistent set computation: 25815, Number of trivial persistent sets: 21941, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10571, independent: 10432, independent conditional: 0, independent unconditional: 10432, dependent: 132, dependent conditional: 0, dependent unconditional: 132, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 339530, independent: 307120, independent conditional: 296688, independent unconditional: 10432, dependent: 30220, dependent conditional: 30088, dependent unconditional: 132, unknown: 2190, unknown conditional: 2183, unknown unconditional: 7] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 309443, independent: 307120, independent conditional: 296688, independent unconditional: 10432, dependent: 133, dependent conditional: 1, dependent unconditional: 132, unknown: 2190, unknown conditional: 2183, unknown unconditional: 7] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 309443, independent: 307120, independent conditional: 296688, independent unconditional: 10432, dependent: 133, dependent conditional: 1, dependent unconditional: 132, unknown: 2190, unknown conditional: 2183, unknown unconditional: 7] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 345287, independent: 307120, independent conditional: 296688, independent unconditional: 10432, dependent: 30748, dependent conditional: 30616, dependent unconditional: 132, unknown: 7419, unknown conditional: 7412, unknown unconditional: 7] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 345287, independent: 307120, independent conditional: 18110, independent unconditional: 289010, dependent: 30748, dependent conditional: 13276, dependent unconditional: 17472, unknown: 7419, unknown conditional: 4458, unknown unconditional: 2961] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 345287, independent: 307120, independent conditional: 18110, independent unconditional: 289010, dependent: 30748, dependent conditional: 13276, dependent unconditional: 17472, unknown: 7419, unknown conditional: 4458, unknown unconditional: 2961] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 9531, independent: 9294, independent conditional: 54, independent unconditional: 9240, dependent: 205, dependent conditional: 63, dependent unconditional: 142, unknown: 32, unknown conditional: 22, unknown unconditional: 10] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 9531, independent: 9158, independent conditional: 0, independent unconditional: 9158, dependent: 373, dependent conditional: 0, dependent unconditional: 373, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 373, independent: 136, independent conditional: 54, independent unconditional: 82, dependent: 205, dependent conditional: 63, dependent unconditional: 142, unknown: 32, unknown conditional: 22, unknown unconditional: 10] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 373, independent: 136, independent conditional: 54, independent unconditional: 82, dependent: 205, dependent conditional: 63, dependent unconditional: 142, unknown: 32, unknown conditional: 22, unknown unconditional: 10] , SemanticIndependenceRelation.Query Time [ms]: [ total: 41876, independent: 3984, independent conditional: 2291, independent unconditional: 1694, dependent: 5116, dependent conditional: 1642, dependent unconditional: 3475, unknown: 32775, unknown conditional: 22588, unknown unconditional: 10188] , Protected Queries: 0 ], Cache Queries: [ total: 345287, independent: 297826, independent conditional: 18056, independent unconditional: 279770, dependent: 30543, dependent conditional: 13213, dependent unconditional: 17330, unknown: 16918, unknown conditional: 4575, unknown unconditional: 12343] , Statistics on independence cache: Total cache size (in pairs): 9499, Positive cache size: 9294, Positive conditional cache size: 54, Positive unconditional cache size: 9240, Negative cache size: 205, Negative conditional cache size: 63, Negative unconditional cache size: 142, Unknown cache size: 32, Unknown conditional cache size: 22, Unknown unconditional cache size: 10, Eliminated conditions: 298872, Maximal queried relation: 4, Independence queries for same thread: 30087 - PositiveResult [Line: 337]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 338]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 339]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 180 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 62.6s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 49.7s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 80, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 7.3s InterpolantComputationTime, 1254 NumberOfCodeBlocks, 1125 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1535 ConstructedInterpolants, 0 QuantifiedInterpolants, 3818 SizeOfPredicates, 4 NumberOfNonLiveVariables, 4671 ConjunctsInSsa, 63 ConjunctsInUnsatCore, 20 InterpolantComputations, 6 PerfectInterpolantSequences, 3051/3456 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-09-07 21:18:52,161 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-09-07 21:18:52,222 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE