./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_04-priv_multi_true.i --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/protection-ghost/13-privatized_04-priv_multi_true.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/goblint-regression/13-privatized_04-priv_multi_true.i ./goblint.2024-09-02_08-21-23.files/protection-ghost/13-privatized_04-priv_multi_true.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 [2024-09-08 00:16:25,273 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-08 00:16:25,349 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-08 00:16:25,354 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-08 00:16:25,357 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-08 00:16:25,384 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-08 00:16:25,385 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-08 00:16:25,386 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-08 00:16:25,387 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-08 00:16:25,388 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-08 00:16:25,389 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-08 00:16:25,390 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-08 00:16:25,390 INFO L153 SettingsManager]: * Use SBE=true [2024-09-08 00:16:25,392 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-08 00:16:25,392 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-08 00:16:25,392 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-08 00:16:25,393 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-08 00:16:25,393 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-08 00:16:25,393 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-08 00:16:25,394 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-08 00:16:25,394 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-08 00:16:25,394 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-08 00:16:25,397 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-08 00:16:25,397 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-08 00:16:25,397 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-08 00:16:25,398 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-08 00:16:25,398 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-08 00:16:25,398 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-08 00:16:25,399 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-08 00:16:25,399 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-08 00:16:25,399 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-08 00:16:25,399 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-08 00:16:25,399 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-08 00:16:25,400 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-08 00:16:25,400 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-08 00:16:25,401 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-08 00:16:25,401 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-08 00:16:25,402 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-08 00:16:25,402 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-08 00:16:25,403 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-08 00:16:25,403 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-08 00:16:25,404 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-09-08 00:16:25,748 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-08 00:16:25,776 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-08 00:16:25,779 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-08 00:16:25,780 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-08 00:16:25,781 INFO L274 PluginConnector]: CDTParser initialized [2024-09-08 00:16:25,782 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_04-priv_multi_true.i [2024-09-08 00:16:27,307 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-08 00:16:27,601 INFO L384 CDTParser]: Found 1 translation units. [2024-09-08 00:16:27,601 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_04-priv_multi_true.i [2024-09-08 00:16:27,629 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/041273079/91738c9d0a134548aa2e05650072cc54/FLAG76482b6f2 [2024-09-08 00:16:27,914 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/041273079/91738c9d0a134548aa2e05650072cc54 [2024-09-08 00:16:27,917 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-08 00:16:27,918 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-08 00:16:27,918 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/protection-ghost/13-privatized_04-priv_multi_true.yml/witness.yml [2024-09-08 00:16:28,071 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-08 00:16:28,072 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-08 00:16:28,073 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-08 00:16:28,074 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-08 00:16:28,083 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-08 00:16:28,085 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 12:16:27" (1/2) ... [2024-09-08 00:16:28,086 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d5ecda0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:16:28, skipping insertion in model container [2024-09-08 00:16:28,086 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 12:16:27" (1/2) ... [2024-09-08 00:16:28,088 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1e41b30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:16:28, skipping insertion in model container [2024-09-08 00:16:28,089 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 12:16:28" (2/2) ... [2024-09-08 00:16:28,089 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d5ecda0 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 12:16:28, skipping insertion in model container [2024-09-08 00:16:28,089 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 12:16:28" (2/2) ... [2024-09-08 00:16:28,304 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-08 00:16:28,305 INFO L1541 ArrayList]: Location invariant before [L1204-L1204] (((! multithreaded || (mutex_A_locked || A == 5)) && (! multithreaded || (1 <= A && A <= 100))) && (! multithreaded || (mutex_B_locked || (mutex_A_locked || B == 5)))) && (! multithreaded || (B == 5 || B == 6)) [2024-09-08 00:16:28,306 INFO L1541 ArrayList]: Location invariant before [L1203-L1203] (((! multithreaded || (mutex_A_locked || A == 5)) && (! multithreaded || (1 <= A && A <= 100))) && (! multithreaded || (mutex_B_locked || (mutex_A_locked || B == 5)))) && (! multithreaded || (B == 5 || B == 6)) [2024-09-08 00:16:28,306 INFO L1541 ArrayList]: Location invariant before [L1205-L1212] (((! multithreaded || (mutex_A_locked || A == 5)) && (! multithreaded || (1 <= A && A <= 100))) && (! multithreaded || (mutex_B_locked || (mutex_A_locked || B == 5)))) && (! multithreaded || (B == 5 || B == 6)) [2024-09-08 00:16:28,307 INFO L1541 ArrayList]: ghost_variable mutex_B_locked = 0 [2024-09-08 00:16:28,307 INFO L1541 ArrayList]: ghost_variable mutex_A_locked = 0 [2024-09-08 00:16:28,307 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-09-08 00:16:28,307 INFO L1541 ArrayList]: ghost_update [L1171-L1171] mutex_B_locked = 1; [2024-09-08 00:16:28,307 INFO L1541 ArrayList]: ghost_update [L1171-L1171] mutex_B_locked = 1; [2024-09-08 00:16:28,308 INFO L1541 ArrayList]: ghost_update [L1171-L1171] mutex_B_locked = 1; [2024-09-08 00:16:28,308 INFO L1541 ArrayList]: ghost_update [L1171-L1171] mutex_B_locked = 1; [2024-09-08 00:16:28,308 INFO L1541 ArrayList]: ghost_update [L1171-L1171] mutex_B_locked = 1; [2024-09-08 00:16:28,308 INFO L1541 ArrayList]: ghost_update [L1171-L1171] mutex_B_locked = 1; [2024-09-08 00:16:28,309 INFO L1541 ArrayList]: ghost_update [L1210-L1210] mutex_A_locked = 0; [2024-09-08 00:16:28,309 INFO L1541 ArrayList]: ghost_update [L1210-L1210] mutex_A_locked = 0; [2024-09-08 00:16:28,309 INFO L1541 ArrayList]: ghost_update [L1210-L1210] mutex_A_locked = 0; [2024-09-08 00:16:28,309 INFO L1541 ArrayList]: ghost_update [L1210-L1210] mutex_A_locked = 0; [2024-09-08 00:16:28,309 INFO L1541 ArrayList]: ghost_update [L1210-L1210] mutex_A_locked = 0; [2024-09-08 00:16:28,310 INFO L1541 ArrayList]: ghost_update [L1210-L1210] mutex_A_locked = 0; [2024-09-08 00:16:28,310 INFO L1541 ArrayList]: ghost_update [L1210-L1210] mutex_A_locked = 0; [2024-09-08 00:16:28,310 INFO L1541 ArrayList]: ghost_update [L1210-L1210] mutex_A_locked = 0; [2024-09-08 00:16:28,310 INFO L1541 ArrayList]: ghost_update [L1190-L1190] mutex_B_locked = 0; [2024-09-08 00:16:28,310 INFO L1541 ArrayList]: ghost_update [L1190-L1190] mutex_B_locked = 0; [2024-09-08 00:16:28,310 INFO L1541 ArrayList]: ghost_update [L1190-L1190] mutex_B_locked = 0; [2024-09-08 00:16:28,310 INFO L1541 ArrayList]: ghost_update [L1190-L1190] mutex_B_locked = 0; [2024-09-08 00:16:28,311 INFO L1541 ArrayList]: ghost_update [L1190-L1190] mutex_B_locked = 0; [2024-09-08 00:16:28,311 INFO L1541 ArrayList]: ghost_update [L1190-L1190] mutex_B_locked = 0; [2024-09-08 00:16:28,311 INFO L1541 ArrayList]: ghost_update [L1190-L1190] mutex_B_locked = 0; [2024-09-08 00:16:28,312 INFO L1541 ArrayList]: ghost_update [L1190-L1190] mutex_B_locked = 0; [2024-09-08 00:16:28,312 INFO L1541 ArrayList]: ghost_update [L1190-L1190] mutex_B_locked = 0; [2024-09-08 00:16:28,312 INFO L1541 ArrayList]: ghost_update [L1168-L1168] mutex_A_locked = 1; [2024-09-08 00:16:28,312 INFO L1541 ArrayList]: ghost_update [L1168-L1168] mutex_A_locked = 1; [2024-09-08 00:16:28,312 INFO L1541 ArrayList]: ghost_update [L1168-L1168] mutex_A_locked = 1; [2024-09-08 00:16:28,312 INFO L1541 ArrayList]: ghost_update [L1168-L1168] mutex_A_locked = 1; [2024-09-08 00:16:28,313 INFO L1541 ArrayList]: ghost_update [L1168-L1168] mutex_A_locked = 1; [2024-09-08 00:16:28,313 INFO L1541 ArrayList]: ghost_update [L1168-L1168] mutex_A_locked = 1; [2024-09-08 00:16:28,313 INFO L1541 ArrayList]: ghost_update [L1176-L1176] mutex_A_locked = 0; [2024-09-08 00:16:28,313 INFO L1541 ArrayList]: ghost_update [L1176-L1176] mutex_A_locked = 0; [2024-09-08 00:16:28,313 INFO L1541 ArrayList]: ghost_update [L1176-L1176] mutex_A_locked = 0; [2024-09-08 00:16:28,313 INFO L1541 ArrayList]: ghost_update [L1176-L1176] mutex_A_locked = 0; [2024-09-08 00:16:28,313 INFO L1541 ArrayList]: ghost_update [L1176-L1176] mutex_A_locked = 0; [2024-09-08 00:16:28,314 INFO L1541 ArrayList]: ghost_update [L1176-L1176] mutex_A_locked = 0; [2024-09-08 00:16:28,314 INFO L1541 ArrayList]: ghost_update [L1209-L1209] mutex_B_locked = 0; [2024-09-08 00:16:28,315 INFO L1541 ArrayList]: ghost_update [L1209-L1209] mutex_B_locked = 0; [2024-09-08 00:16:28,315 INFO L1541 ArrayList]: ghost_update [L1209-L1209] mutex_B_locked = 0; [2024-09-08 00:16:28,316 INFO L1541 ArrayList]: ghost_update [L1209-L1209] mutex_B_locked = 0; [2024-09-08 00:16:28,316 INFO L1541 ArrayList]: ghost_update [L1209-L1209] mutex_B_locked = 0; [2024-09-08 00:16:28,316 INFO L1541 ArrayList]: ghost_update [L1209-L1209] mutex_B_locked = 0; [2024-09-08 00:16:28,316 INFO L1541 ArrayList]: ghost_update [L1209-L1209] mutex_B_locked = 0; [2024-09-08 00:16:28,316 INFO L1541 ArrayList]: ghost_update [L1209-L1209] mutex_B_locked = 0; [2024-09-08 00:16:28,316 INFO L1541 ArrayList]: ghost_update [L1161-L1161] mutex_A_locked = 0; [2024-09-08 00:16:28,316 INFO L1541 ArrayList]: ghost_update [L1161-L1161] mutex_A_locked = 0; [2024-09-08 00:16:28,316 INFO L1541 ArrayList]: ghost_update [L1161-L1161] mutex_A_locked = 0; [2024-09-08 00:16:28,316 INFO L1541 ArrayList]: ghost_update [L1161-L1161] mutex_A_locked = 0; [2024-09-08 00:16:28,316 INFO L1541 ArrayList]: ghost_update [L1161-L1161] mutex_A_locked = 0; [2024-09-08 00:16:28,317 INFO L1541 ArrayList]: ghost_update [L1161-L1161] mutex_A_locked = 0; [2024-09-08 00:16:28,317 INFO L1541 ArrayList]: ghost_update [L1161-L1161] mutex_A_locked = 0; [2024-09-08 00:16:28,317 INFO L1541 ArrayList]: ghost_update [L1161-L1161] mutex_A_locked = 0; [2024-09-08 00:16:28,317 INFO L1541 ArrayList]: ghost_update [L1161-L1161] mutex_A_locked = 0; [2024-09-08 00:16:28,317 INFO L1541 ArrayList]: ghost_update [L1187-L1187] mutex_B_locked = 1; [2024-09-08 00:16:28,317 INFO L1541 ArrayList]: ghost_update [L1187-L1187] mutex_B_locked = 1; [2024-09-08 00:16:28,317 INFO L1541 ArrayList]: ghost_update [L1187-L1187] mutex_B_locked = 1; [2024-09-08 00:16:28,317 INFO L1541 ArrayList]: ghost_update [L1187-L1187] mutex_B_locked = 1; [2024-09-08 00:16:28,317 INFO L1541 ArrayList]: ghost_update [L1187-L1187] mutex_B_locked = 1; [2024-09-08 00:16:28,317 INFO L1541 ArrayList]: ghost_update [L1187-L1187] mutex_B_locked = 1; [2024-09-08 00:16:28,318 INFO L1541 ArrayList]: ghost_update [L1187-L1187] mutex_B_locked = 1; [2024-09-08 00:16:28,318 INFO L1541 ArrayList]: ghost_update [L1187-L1187] mutex_B_locked = 1; [2024-09-08 00:16:28,318 INFO L1541 ArrayList]: ghost_update [L1187-L1187] mutex_B_locked = 1; [2024-09-08 00:16:28,318 INFO L1541 ArrayList]: ghost_update [L1202-L1202] multithreaded = 1; [2024-09-08 00:16:28,318 INFO L1541 ArrayList]: ghost_update [L1207-L1207] mutex_B_locked = 1; [2024-09-08 00:16:28,318 INFO L1541 ArrayList]: ghost_update [L1207-L1207] mutex_B_locked = 1; [2024-09-08 00:16:28,318 INFO L1541 ArrayList]: ghost_update [L1207-L1207] mutex_B_locked = 1; [2024-09-08 00:16:28,318 INFO L1541 ArrayList]: ghost_update [L1207-L1207] mutex_B_locked = 1; [2024-09-08 00:16:28,318 INFO L1541 ArrayList]: ghost_update [L1207-L1207] mutex_B_locked = 1; [2024-09-08 00:16:28,318 INFO L1541 ArrayList]: ghost_update [L1207-L1207] mutex_B_locked = 1; [2024-09-08 00:16:28,318 INFO L1541 ArrayList]: ghost_update [L1207-L1207] mutex_B_locked = 1; [2024-09-08 00:16:28,319 INFO L1541 ArrayList]: ghost_update [L1207-L1207] mutex_B_locked = 1; [2024-09-08 00:16:28,319 INFO L1541 ArrayList]: ghost_update [L1206-L1206] mutex_A_locked = 1; [2024-09-08 00:16:28,319 INFO L1541 ArrayList]: ghost_update [L1206-L1206] mutex_A_locked = 1; [2024-09-08 00:16:28,319 INFO L1541 ArrayList]: ghost_update [L1206-L1206] mutex_A_locked = 1; [2024-09-08 00:16:28,319 INFO L1541 ArrayList]: ghost_update [L1206-L1206] mutex_A_locked = 1; [2024-09-08 00:16:28,321 INFO L1541 ArrayList]: ghost_update [L1206-L1206] mutex_A_locked = 1; [2024-09-08 00:16:28,321 INFO L1541 ArrayList]: ghost_update [L1206-L1206] mutex_A_locked = 1; [2024-09-08 00:16:28,321 INFO L1541 ArrayList]: ghost_update [L1206-L1206] mutex_A_locked = 1; [2024-09-08 00:16:28,321 INFO L1541 ArrayList]: ghost_update [L1206-L1206] mutex_A_locked = 1; [2024-09-08 00:16:28,321 INFO L1541 ArrayList]: ghost_update [L1158-L1158] mutex_A_locked = 1; [2024-09-08 00:16:28,321 INFO L1541 ArrayList]: ghost_update [L1158-L1158] mutex_A_locked = 1; [2024-09-08 00:16:28,322 INFO L1541 ArrayList]: ghost_update [L1158-L1158] mutex_A_locked = 1; [2024-09-08 00:16:28,322 INFO L1541 ArrayList]: ghost_update [L1158-L1158] mutex_A_locked = 1; [2024-09-08 00:16:28,322 INFO L1541 ArrayList]: ghost_update [L1158-L1158] mutex_A_locked = 1; [2024-09-08 00:16:28,322 INFO L1541 ArrayList]: ghost_update [L1158-L1158] mutex_A_locked = 1; [2024-09-08 00:16:28,322 INFO L1541 ArrayList]: ghost_update [L1158-L1158] mutex_A_locked = 1; [2024-09-08 00:16:28,322 INFO L1541 ArrayList]: ghost_update [L1158-L1158] mutex_A_locked = 1; [2024-09-08 00:16:28,322 INFO L1541 ArrayList]: ghost_update [L1158-L1158] mutex_A_locked = 1; [2024-09-08 00:16:28,323 INFO L1541 ArrayList]: ghost_update [L1174-L1174] mutex_B_locked = 0; [2024-09-08 00:16:28,323 INFO L1541 ArrayList]: ghost_update [L1174-L1174] mutex_B_locked = 0; [2024-09-08 00:16:28,323 INFO L1541 ArrayList]: ghost_update [L1174-L1174] mutex_B_locked = 0; [2024-09-08 00:16:28,323 INFO L1541 ArrayList]: ghost_update [L1174-L1174] mutex_B_locked = 0; [2024-09-08 00:16:28,323 INFO L1541 ArrayList]: ghost_update [L1174-L1174] mutex_B_locked = 0; [2024-09-08 00:16:28,324 INFO L1541 ArrayList]: ghost_update [L1174-L1174] mutex_B_locked = 0; [2024-09-08 00:16:28,376 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-08 00:16:28,851 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 00:16:28,872 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-08 00:16:28,991 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 00:16:29,043 INFO L204 MainTranslator]: Completed translation [2024-09-08 00:16:29,044 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 12:16:29 WrapperNode [2024-09-08 00:16:29,044 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-08 00:16:29,045 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-08 00:16:29,045 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-08 00:16:29,045 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-08 00:16:29,054 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 12:16:29" (1/1) ... [2024-09-08 00:16:29,081 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 12:16:29" (1/1) ... [2024-09-08 00:16:29,113 INFO L138 Inliner]: procedures = 271, calls = 38, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 167 [2024-09-08 00:16:29,113 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-08 00:16:29,114 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-08 00:16:29,114 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-08 00:16:29,114 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-08 00:16:29,121 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 12:16:29" (1/1) ... [2024-09-08 00:16:29,122 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 12:16:29" (1/1) ... [2024-09-08 00:16:29,128 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 12:16:29" (1/1) ... [2024-09-08 00:16:29,131 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 12:16:29" (1/1) ... [2024-09-08 00:16:29,143 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 12:16:29" (1/1) ... [2024-09-08 00:16:29,147 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 12:16:29" (1/1) ... [2024-09-08 00:16:29,154 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 12:16:29" (1/1) ... [2024-09-08 00:16:29,160 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 12:16:29" (1/1) ... [2024-09-08 00:16:29,167 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-08 00:16:29,168 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-08 00:16:29,169 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-08 00:16:29,169 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-08 00:16:29,170 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 12:16:29" (1/1) ... [2024-09-08 00:16:29,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-08 00:16:29,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 00:16:29,227 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) [2024-09-08 00:16:29,232 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 [2024-09-08 00:16:29,302 INFO L130 BoogieDeclarations]: Found specification of procedure generate [2024-09-08 00:16:29,302 INFO L138 BoogieDeclarations]: Found implementation of procedure generate [2024-09-08 00:16:29,302 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-09-08 00:16:29,303 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-09-08 00:16:29,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-08 00:16:29,303 INFO L130 BoogieDeclarations]: Found specification of procedure dispose [2024-09-08 00:16:29,303 INFO L138 BoogieDeclarations]: Found implementation of procedure dispose [2024-09-08 00:16:29,303 INFO L130 BoogieDeclarations]: Found specification of procedure process [2024-09-08 00:16:29,303 INFO L138 BoogieDeclarations]: Found implementation of procedure process [2024-09-08 00:16:29,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-08 00:16:29,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-08 00:16:29,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-08 00:16:29,305 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-09-08 00:16:29,545 INFO L242 CfgBuilder]: Building ICFG [2024-09-08 00:16:29,547 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-08 00:16:29,887 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-08 00:16:29,887 INFO L291 CfgBuilder]: Performing block encoding [2024-09-08 00:16:30,054 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-08 00:16:30,054 INFO L318 CfgBuilder]: Removed 4 assume(true) statements. [2024-09-08 00:16:30,055 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 12:16:30 BoogieIcfgContainer [2024-09-08 00:16:30,055 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-08 00:16:30,057 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-08 00:16:30,057 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-08 00:16:30,061 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-08 00:16:30,061 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 12:16:27" (1/4) ... [2024-09-08 00:16:30,062 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@207c715d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 12:16:30, skipping insertion in model container [2024-09-08 00:16:30,062 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 12:16:28" (2/4) ... [2024-09-08 00:16:30,062 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@207c715d and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 08.09 12:16:30, skipping insertion in model container [2024-09-08 00:16:30,063 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 12:16:29" (3/4) ... [2024-09-08 00:16:30,063 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@207c715d and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 08.09 12:16:30, skipping insertion in model container [2024-09-08 00:16:30,063 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 12:16:30" (4/4) ... [2024-09-08 00:16:30,064 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_04-priv_multi_true.i [2024-09-08 00:16:30,083 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-08 00:16:30,084 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-09-08 00:16:30,084 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-08 00:16:30,126 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-09-08 00:16:30,176 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 00:16:30,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-08 00:16:30,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 00:16:30,179 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) [2024-09-08 00:16:30,182 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 [2024-09-08 00:16:30,222 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-08 00:16:30,238 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-08 00:16:30,247 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;@dda54dd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 00:16:30,248 INFO L337 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-09-08 00:16:30,393 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 00:16:30,399 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 00:16:30,400 INFO L85 PathProgramCache]: Analyzing trace with hash 938676680, now seen corresponding path program 1 times [2024-09-08 00:16:30,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 00:16:30,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059579187] [2024-09-08 00:16:30,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 00:16:30,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 00:16:30,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 00:16:31,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 00:16:31,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 00:16:31,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059579187] [2024-09-08 00:16:31,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059579187] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 00:16:31,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 00:16:31,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-09-08 00:16:31,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122917875] [2024-09-08 00:16:31,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 00:16:31,026 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-08 00:16:31,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 00:16:31,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-08 00:16:31,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-08 00:16:31,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 00:16:31,052 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 00:16:31,053 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2024-09-08 00:16:31,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 00:16:31,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 00:16:31,450 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-08 00:16:31,450 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 00:16:31,451 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 00:16:31,451 INFO L85 PathProgramCache]: Analyzing trace with hash -1931544243, now seen corresponding path program 1 times [2024-09-08 00:16:31,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 00:16:31,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500260555] [2024-09-08 00:16:31,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 00:16:31,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 00:16:31,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 00:16:32,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 00:16:32,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 00:16:32,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500260555] [2024-09-08 00:16:32,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500260555] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 00:16:32,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 00:16:32,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-08 00:16:32,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194052821] [2024-09-08 00:16:32,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 00:16:32,073 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-08 00:16:32,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 00:16:32,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-08 00:16:32,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-09-08 00:16:32,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 00:16:32,078 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 00:16:32,078 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 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) [2024-09-08 00:16:32,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 00:16:32,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 00:16:32,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 00:16:32,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 00:16:32,341 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-09-08 00:16:32,341 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 00:16:32,342 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 00:16:32,342 INFO L85 PathProgramCache]: Analyzing trace with hash 2039049251, now seen corresponding path program 1 times [2024-09-08 00:16:32,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 00:16:32,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549892279] [2024-09-08 00:16:32,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 00:16:32,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 00:16:32,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 00:16:32,703 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-09-08 00:16:32,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 00:16:32,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549892279] [2024-09-08 00:16:32,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549892279] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 00:16:32,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 00:16:32,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-08 00:16:32,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498909047] [2024-09-08 00:16:32,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 00:16:32,705 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-08 00:16:32,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 00:16:32,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-08 00:16:32,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-09-08 00:16:32,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 00:16:32,706 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 00:16:32,706 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 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) [2024-09-08 00:16:32,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 00:16:32,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 00:16:32,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 00:16:32,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 00:16:32,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 00:16:32,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 00:16:32,969 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-09-08 00:16:32,969 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 00:16:32,969 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 00:16:32,970 INFO L85 PathProgramCache]: Analyzing trace with hash -173647111, now seen corresponding path program 2 times [2024-09-08 00:16:32,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 00:16:32,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886236418] [2024-09-08 00:16:32,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 00:16:32,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 00:16:33,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 00:16:33,227 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-09-08 00:16:33,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 00:16:33,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886236418] [2024-09-08 00:16:33,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886236418] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 00:16:33,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 00:16:33,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-08 00:16:33,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107208652] [2024-09-08 00:16:33,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 00:16:33,228 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-08 00:16:33,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 00:16:33,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-08 00:16:33,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-08 00:16:33,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 00:16:33,230 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 00:16:33,230 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 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) [2024-09-08 00:16:33,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 00:16:33,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 00:16:33,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 00:16:33,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 00:16:33,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 00:16:33,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 00:16:33,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 00:16:33,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 00:16:33,410 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-09-08 00:16:33,410 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 00:16:33,411 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 00:16:33,411 INFO L85 PathProgramCache]: Analyzing trace with hash 1665444027, now seen corresponding path program 3 times [2024-09-08 00:16:33,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 00:16:33,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599310866] [2024-09-08 00:16:33,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 00:16:33,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 00:16:33,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 00:16:34,411 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 38 proven. 39 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-09-08 00:16:34,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 00:16:34,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599310866] [2024-09-08 00:16:34,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599310866] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 00:16:34,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2089382759] [2024-09-08 00:16:34,412 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-08 00:16:34,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 00:16:34,412 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 00:16:34,437 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) [2024-09-08 00:16:34,442 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-09-08 00:16:34,605 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-09-08 00:16:34,606 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 00:16:34,609 INFO L262 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-09-08 00:16:34,617 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 00:16:35,024 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-09-08 00:16:35,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 00:16:35,073 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-09-08 00:16:35,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 00:16:35,097 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-09-08 00:16:35,117 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 36 proven. 3 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-09-08 00:16:35,117 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 00:16:35,214 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-08 00:16:35,214 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 20 [2024-09-08 00:16:35,220 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 25 [2024-09-08 00:16:35,340 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 36 proven. 3 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-09-08 00:16:35,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2089382759] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 00:16:35,341 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 00:16:35,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 17 [2024-09-08 00:16:35,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400465900] [2024-09-08 00:16:35,341 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 00:16:35,342 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-09-08 00:16:35,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 00:16:35,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-09-08 00:16:35,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=253, Unknown=1, NotChecked=0, Total=306 [2024-09-08 00:16:35,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 00:16:35,348 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 00:16:35,349 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 9.61111111111111) internal successors, (173), 17 states have internal predecessors, (173), 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) [2024-09-08 00:16:35,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 00:16:35,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 00:16:35,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 00:16:35,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 00:16:35,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 00:16:37,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 00:16:37,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 00:16:37,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 00:16:37,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 00:16:37,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 00:16:37,244 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 7 remaining) [2024-09-08 00:16:37,245 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 7 remaining) [2024-09-08 00:16:37,245 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 7 remaining) [2024-09-08 00:16:37,245 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 7 remaining) [2024-09-08 00:16:37,246 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 7 remaining) [2024-09-08 00:16:37,246 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 7 remaining) [2024-09-08 00:16:37,246 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 7 remaining) [2024-09-08 00:16:37,268 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-09-08 00:16:37,447 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 00:16:37,453 INFO L408 BasicCegarLoop]: Path program histogram: [3, 1, 1] [2024-09-08 00:16:37,459 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-09-08 00:16:37,459 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-08 00:16:37,462 INFO L469 ceAbstractionStarter]: Automizer considered 4 witness invariants [2024-09-08 00:16:37,462 INFO L470 ceAbstractionStarter]: WitnessConsidered=4 [2024-09-08 00:16:37,463 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 12:16:37 BasicIcfg [2024-09-08 00:16:37,463 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-08 00:16:37,464 INFO L158 Benchmark]: Toolchain (without parser) took 9391.65ms. Allocated memory was 165.7MB in the beginning and 249.6MB in the end (delta: 83.9MB). Free memory was 127.8MB in the beginning and 68.2MB in the end (delta: 59.6MB). Peak memory consumption was 150.3MB. Max. memory is 16.1GB. [2024-09-08 00:16:37,464 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 104.9MB. Free memory is still 76.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-08 00:16:37,464 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 165.7MB. Free memory is still 133.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-08 00:16:37,464 INFO L158 Benchmark]: CACSL2BoogieTranslator took 970.95ms. Allocated memory is still 165.7MB. Free memory was 126.8MB in the beginning and 67.0MB in the end (delta: 59.8MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-09-08 00:16:37,464 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.13ms. Allocated memory is still 165.7MB. Free memory was 67.0MB in the beginning and 63.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-08 00:16:37,465 INFO L158 Benchmark]: Boogie Preprocessor took 53.84ms. Allocated memory is still 165.7MB. Free memory was 63.9MB in the beginning and 60.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-08 00:16:37,465 INFO L158 Benchmark]: RCFGBuilder took 886.75ms. Allocated memory is still 165.7MB. Free memory was 60.7MB in the beginning and 79.8MB in the end (delta: -19.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-08 00:16:37,465 INFO L158 Benchmark]: TraceAbstraction took 7405.82ms. Allocated memory was 165.7MB in the beginning and 249.6MB in the end (delta: 83.9MB). Free memory was 79.8MB in the beginning and 68.2MB in the end (delta: 11.6MB). Peak memory consumption was 105.4MB. Max. memory is 16.1GB. [2024-09-08 00:16:37,467 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 104.9MB. Free memory is still 76.2MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.14ms. Allocated memory is still 165.7MB. Free memory is still 133.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 970.95ms. Allocated memory is still 165.7MB. Free memory was 126.8MB in the beginning and 67.0MB in the end (delta: 59.8MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.13ms. Allocated memory is still 165.7MB. Free memory was 67.0MB in the beginning and 63.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.84ms. Allocated memory is still 165.7MB. Free memory was 63.9MB in the beginning and 60.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 886.75ms. Allocated memory is still 165.7MB. Free memory was 60.7MB in the beginning and 79.8MB in the end (delta: -19.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 7405.82ms. Allocated memory was 165.7MB in the beginning and 249.6MB in the end (delta: 83.9MB). Free memory was 79.8MB in the beginning and 68.2MB in the end (delta: 11.6MB). Peak memory consumption was 105.4MB. 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: 37702, independent: 35775, independent conditional: 34044, independent unconditional: 1731, dependent: 1927, dependent conditional: 1820, dependent unconditional: 107, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 36043, independent: 35775, independent conditional: 34044, independent unconditional: 1731, dependent: 268, dependent conditional: 161, dependent unconditional: 107, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 36043, independent: 35775, independent conditional: 34044, independent unconditional: 1731, dependent: 268, dependent conditional: 161, dependent unconditional: 107, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 43574, independent: 35775, independent conditional: 34044, independent unconditional: 1731, dependent: 7799, dependent conditional: 7692, dependent unconditional: 107, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 43574, independent: 35775, independent conditional: 3560, independent unconditional: 32215, dependent: 7799, dependent conditional: 3299, dependent unconditional: 4500, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 43574, independent: 35775, independent conditional: 3560, independent unconditional: 32215, dependent: 7799, dependent conditional: 3299, dependent unconditional: 4500, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1759, independent: 1554, independent conditional: 99, independent unconditional: 1455, dependent: 205, dependent conditional: 86, dependent unconditional: 119, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1759, independent: 1392, independent conditional: 0, independent unconditional: 1392, dependent: 367, dependent conditional: 0, dependent unconditional: 367, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 367, independent: 162, independent conditional: 99, independent unconditional: 63, dependent: 205, dependent conditional: 86, dependent unconditional: 119, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 367, independent: 162, independent conditional: 99, independent unconditional: 63, dependent: 205, dependent conditional: 86, dependent unconditional: 119, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1045, independent: 477, independent conditional: 265, independent unconditional: 212, dependent: 568, dependent conditional: 240, dependent unconditional: 328, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 43574, independent: 34221, independent conditional: 3461, independent unconditional: 30760, dependent: 7594, dependent conditional: 3213, dependent unconditional: 4381, unknown: 1759, unknown conditional: 185, unknown unconditional: 1574] , Statistics on independence cache: Total cache size (in pairs): 1759, Positive cache size: 1554, Positive conditional cache size: 99, Positive unconditional cache size: 1455, Negative cache size: 205, Negative conditional cache size: 86, Negative unconditional cache size: 119, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 34877, Maximal queried relation: 5, Independence queries for same thread: 1659, Persistent sets #1 benchmarks: Persistent set computation time: 0.8s, Number of persistent set computation: 3079, Number of trivial persistent sets: 3063, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1838, independent: 1731, independent conditional: 0, independent unconditional: 1731, dependent: 107, dependent conditional: 0, dependent unconditional: 107, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 37702, independent: 35775, independent conditional: 34044, independent unconditional: 1731, dependent: 1927, dependent conditional: 1820, dependent unconditional: 107, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 36043, independent: 35775, independent conditional: 34044, independent unconditional: 1731, dependent: 268, dependent conditional: 161, dependent unconditional: 107, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 36043, independent: 35775, independent conditional: 34044, independent unconditional: 1731, dependent: 268, dependent conditional: 161, dependent unconditional: 107, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 43574, independent: 35775, independent conditional: 34044, independent unconditional: 1731, dependent: 7799, dependent conditional: 7692, dependent unconditional: 107, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 43574, independent: 35775, independent conditional: 3560, independent unconditional: 32215, dependent: 7799, dependent conditional: 3299, dependent unconditional: 4500, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 43574, independent: 35775, independent conditional: 3560, independent unconditional: 32215, dependent: 7799, dependent conditional: 3299, dependent unconditional: 4500, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1759, independent: 1554, independent conditional: 99, independent unconditional: 1455, dependent: 205, dependent conditional: 86, dependent unconditional: 119, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1759, independent: 1392, independent conditional: 0, independent unconditional: 1392, dependent: 367, dependent conditional: 0, dependent unconditional: 367, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 367, independent: 162, independent conditional: 99, independent unconditional: 63, dependent: 205, dependent conditional: 86, dependent unconditional: 119, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 367, independent: 162, independent conditional: 99, independent unconditional: 63, dependent: 205, dependent conditional: 86, dependent unconditional: 119, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1045, independent: 477, independent conditional: 265, independent unconditional: 212, dependent: 568, dependent conditional: 240, dependent unconditional: 328, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 43574, independent: 34221, independent conditional: 3461, independent unconditional: 30760, dependent: 7594, dependent conditional: 3213, dependent unconditional: 4381, unknown: 1759, unknown conditional: 185, unknown unconditional: 1574] , Statistics on independence cache: Total cache size (in pairs): 1759, Positive cache size: 1554, Positive conditional cache size: 99, Positive unconditional cache size: 1455, Negative cache size: 205, Negative conditional cache size: 86, Negative unconditional cache size: 119, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 34877, Maximal queried relation: 5, Independence queries for same thread: 1659 - PositiveResult [Line: 1203]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1204]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1205]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1205]: 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, 94 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 7.3s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 3.1s, 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: 24, 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: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 379 NumberOfCodeBlocks, 318 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 466 ConstructedInterpolants, 5 QuantifiedInterpolants, 2225 SizeOfPredicates, 3 NumberOfNonLiveVariables, 213 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 7 InterpolantComputations, 4 PerfectInterpolantSequences, 399/444 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 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-09-08 00:16:37,521 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 [2024-09-08 00:16:37,723 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