./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-more-array-sum2.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/popl20-more-array-sum2.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e94c40da 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/popl20-more-array-sum2.wvr.c ./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/popl20-more-array-sum2.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-dev-e94c40d-m [2024-09-23 00:47:00,088 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-23 00:47:00,175 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-23 00:47:00,180 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-23 00:47:00,181 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-23 00:47:00,200 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-23 00:47:00,201 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-23 00:47:00,202 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-23 00:47:00,203 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-23 00:47:00,204 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-23 00:47:00,205 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-23 00:47:00,206 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-23 00:47:00,206 INFO L153 SettingsManager]: * Use SBE=true [2024-09-23 00:47:00,209 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-23 00:47:00,209 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-23 00:47:00,210 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-23 00:47:00,210 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-23 00:47:00,210 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-23 00:47:00,210 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-23 00:47:00,211 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-23 00:47:00,211 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-23 00:47:00,212 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-23 00:47:00,212 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-23 00:47:00,212 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-23 00:47:00,212 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-23 00:47:00,212 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-23 00:47:00,213 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-23 00:47:00,213 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-23 00:47:00,213 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-23 00:47:00,213 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-23 00:47:00,214 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-23 00:47:00,214 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-23 00:47:00,214 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-23 00:47:00,214 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-23 00:47:00,215 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-23 00:47:00,215 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-23 00:47:00,217 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-23 00:47:00,218 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-23 00:47:00,218 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-23 00:47:00,218 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-23 00:47:00,218 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-23 00:47:00,219 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-09-23 00:47:00,490 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-23 00:47:00,513 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-23 00:47:00,515 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-23 00:47:00,518 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-23 00:47:00,519 INFO L274 PluginConnector]: CDTParser initialized [2024-09-23 00:47:00,521 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-array-sum2.wvr.c [2024-09-23 00:47:01,996 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-23 00:47:02,207 INFO L384 CDTParser]: Found 1 translation units. [2024-09-23 00:47:02,208 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-array-sum2.wvr.c [2024-09-23 00:47:02,219 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/390dca63c/dd74674d9d204003b3ddcc50af3caaf3/FLAG2a7f414bd [2024-09-23 00:47:02,572 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/390dca63c/dd74674d9d204003b3ddcc50af3caaf3 [2024-09-23 00:47:02,575 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-23 00:47:02,576 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-23 00:47:02,577 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/popl20-more-array-sum2.wvr.yml/witness.yml [2024-09-23 00:47:02,638 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-23 00:47:02,640 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-23 00:47:02,641 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-23 00:47:02,641 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-23 00:47:02,651 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-23 00:47:02,652 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.09 12:47:02" (1/2) ... [2024-09-23 00:47:02,653 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1121c895 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 12:47:02, skipping insertion in model container [2024-09-23 00:47:02,653 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.09 12:47:02" (1/2) ... [2024-09-23 00:47:02,654 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@235fc080 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 12:47:02, skipping insertion in model container [2024-09-23 00:47:02,655 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 12:47:02" (2/2) ... [2024-09-23 00:47:02,655 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1121c895 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 12:47:02, skipping insertion in model container [2024-09-23 00:47:02,656 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 12:47:02" (2/2) ... [2024-09-23 00:47:02,674 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-23 00:47:02,676 INFO L1541 ArrayList]: Location invariant before [L91-L91] ! multithreaded || ((((((((((((((((((((2147483646LL + (long long )M) + (long long )N >= 0LL && (2147483647LL + (long long )N) + (long long )res1 >= 0LL) && (2147483647LL + (long long )N) + (long long )res2 >= 0LL) && (4294967295LL + (long long )M) + (long long )res1 >= 0LL) && (4294967295LL + (long long )M) + (long long )res2 >= 0LL) && (2147483645LL - (long long )M) + (long long )N >= 0LL) && (3221225471LL - (long long )N) + (long long )res1 >= 0LL) && (3221225471LL - (long long )N) + (long long )res2 >= 0LL) && (4294967294LL - (long long )M) + (long long )res1 >= 0LL) && (4294967294LL - (long long )M) + (long long )res2 >= 0LL) && (2147483646LL + (long long )N) - (long long )res1 >= 0LL) && (2147483646LL + (long long )N) - (long long )res2 >= 0LL) && (3221225470LL + (long long )M) - (long long )N >= 0LL) && (4294967294LL + (long long )M) - (long long )res1 >= 0LL) && (4294967294LL + (long long )M) - (long long )res2 >= 0LL) && (3221225469LL - (long long )M) - (long long )N >= 0LL) && (3221225470LL - (long long )N) - (long long )res1 >= 0LL) && (3221225470LL - (long long )N) - (long long )res2 >= 0LL) && (4294967293LL - (long long )M) - (long long )res1 >= 0LL) && (4294967293LL - (long long )M) - (long long )res2 >= 0LL) [2024-09-23 00:47:02,676 INFO L1541 ArrayList]: Location invariant before [L90-L90] ! multithreaded || ((((((((((((((((((((2147483646LL + (long long )M) + (long long )N >= 0LL && (2147483647LL + (long long )N) + (long long )res1 >= 0LL) && (2147483647LL + (long long )N) + (long long )res2 >= 0LL) && (4294967295LL + (long long )M) + (long long )res1 >= 0LL) && (4294967295LL + (long long )M) + (long long )res2 >= 0LL) && (2147483645LL - (long long )M) + (long long )N >= 0LL) && (3221225471LL - (long long )N) + (long long )res1 >= 0LL) && (3221225471LL - (long long )N) + (long long )res2 >= 0LL) && (4294967294LL - (long long )M) + (long long )res1 >= 0LL) && (4294967294LL - (long long )M) + (long long )res2 >= 0LL) && (2147483646LL + (long long )N) - (long long )res1 >= 0LL) && (2147483646LL + (long long )N) - (long long )res2 >= 0LL) && (3221225470LL + (long long )M) - (long long )N >= 0LL) && (4294967294LL + (long long )M) - (long long )res1 >= 0LL) && (4294967294LL + (long long )M) - (long long )res2 >= 0LL) && (3221225469LL - (long long )M) - (long long )N >= 0LL) && (3221225470LL - (long long )N) - (long long )res1 >= 0LL) && (3221225470LL - (long long )N) - (long long )res2 >= 0LL) && (4294967293LL - (long long )M) - (long long )res1 >= 0LL) && (4294967293LL - (long long )M) - (long long )res2 >= 0LL) [2024-09-23 00:47:02,677 INFO L1541 ArrayList]: Location invariant before [L92-L92] ! multithreaded || ((((((((((((((((((((2147483646LL + (long long )M) + (long long )N >= 0LL && (2147483647LL + (long long )N) + (long long )res1 >= 0LL) && (2147483647LL + (long long )N) + (long long )res2 >= 0LL) && (4294967295LL + (long long )M) + (long long )res1 >= 0LL) && (4294967295LL + (long long )M) + (long long )res2 >= 0LL) && (2147483645LL - (long long )M) + (long long )N >= 0LL) && (3221225471LL - (long long )N) + (long long )res1 >= 0LL) && (3221225471LL - (long long )N) + (long long )res2 >= 0LL) && (4294967294LL - (long long )M) + (long long )res1 >= 0LL) && (4294967294LL - (long long )M) + (long long )res2 >= 0LL) && (2147483646LL + (long long )N) - (long long )res1 >= 0LL) && (2147483646LL + (long long )N) - (long long )res2 >= 0LL) && (3221225470LL + (long long )M) - (long long )N >= 0LL) && (4294967294LL + (long long )M) - (long long )res1 >= 0LL) && (4294967294LL + (long long )M) - (long long )res2 >= 0LL) && (3221225469LL - (long long )M) - (long long )N >= 0LL) && (3221225470LL - (long long )N) - (long long )res1 >= 0LL) && (3221225470LL - (long long )N) - (long long )res2 >= 0LL) && (4294967293LL - (long long )M) - (long long )res1 >= 0LL) && (4294967293LL - (long long )M) - (long long )res2 >= 0LL) [2024-09-23 00:47:02,677 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-09-23 00:47:02,681 INFO L1541 ArrayList]: ghost_update [L89-L89] multithreaded = 1; [2024-09-23 00:47:02,705 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-23 00:47:02,907 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-23 00:47:02,918 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-23 00:47:03,041 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-23 00:47:03,067 INFO L204 MainTranslator]: Completed translation [2024-09-23 00:47:03,068 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 12:47:03 WrapperNode [2024-09-23 00:47:03,069 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-23 00:47:03,070 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-23 00:47:03,070 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-23 00:47:03,070 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-23 00:47:03,078 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 23.09 12:47:03" (1/1) ... [2024-09-23 00:47:03,093 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 23.09 12:47:03" (1/1) ... [2024-09-23 00:47:03,150 INFO L138 Inliner]: procedures = 24, calls = 38, calls flagged for inlining = 17, calls inlined = 29, statements flattened = 275 [2024-09-23 00:47:03,154 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-23 00:47:03,155 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-23 00:47:03,155 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-23 00:47:03,155 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-23 00:47:03,166 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 12:47:03" (1/1) ... [2024-09-23 00:47:03,166 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 12:47:03" (1/1) ... [2024-09-23 00:47:03,169 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 12:47:03" (1/1) ... [2024-09-23 00:47:03,174 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 12:47:03" (1/1) ... [2024-09-23 00:47:03,190 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 12:47:03" (1/1) ... [2024-09-23 00:47:03,198 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 12:47:03" (1/1) ... [2024-09-23 00:47:03,204 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 12:47:03" (1/1) ... [2024-09-23 00:47:03,209 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 12:47:03" (1/1) ... [2024-09-23 00:47:03,212 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-23 00:47:03,217 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-23 00:47:03,220 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-23 00:47:03,220 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-23 00:47:03,221 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 12:47:03" (1/1) ... [2024-09-23 00:47:03,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-23 00:47:03,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 00:47:03,253 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) [2024-09-23 00:47:03,255 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 [2024-09-23 00:47:03,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-23 00:47:03,293 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-09-23 00:47:03,294 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-09-23 00:47:03,294 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-09-23 00:47:03,294 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-09-23 00:47:03,294 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-09-23 00:47:03,294 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-09-23 00:47:03,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-23 00:47:03,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-23 00:47:03,295 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-09-23 00:47:03,296 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-09-23 00:47:03,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-09-23 00:47:03,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-23 00:47:03,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-23 00:47:03,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-23 00:47:03,298 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-09-23 00:47:03,400 INFO L242 CfgBuilder]: Building ICFG [2024-09-23 00:47:03,401 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-23 00:47:03,955 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-23 00:47:03,955 INFO L291 CfgBuilder]: Performing block encoding [2024-09-23 00:47:04,343 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-23 00:47:04,344 INFO L318 CfgBuilder]: Removed 5 assume(true) statements. [2024-09-23 00:47:04,344 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 12:47:04 BoogieIcfgContainer [2024-09-23 00:47:04,345 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-23 00:47:04,350 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-23 00:47:04,350 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-23 00:47:04,354 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-23 00:47:04,354 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.09 12:47:02" (1/4) ... [2024-09-23 00:47:04,356 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12ae820 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.09 12:47:04, skipping insertion in model container [2024-09-23 00:47:04,356 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 12:47:02" (2/4) ... [2024-09-23 00:47:04,356 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12ae820 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 23.09 12:47:04, skipping insertion in model container [2024-09-23 00:47:04,356 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 12:47:03" (3/4) ... [2024-09-23 00:47:04,357 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12ae820 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 23.09 12:47:04, skipping insertion in model container [2024-09-23 00:47:04,357 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 12:47:04" (4/4) ... [2024-09-23 00:47:04,359 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum2.wvr.c [2024-09-23 00:47:04,377 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-23 00:47:04,377 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-09-23 00:47:04,377 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-23 00:47:04,435 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-09-23 00:47:04,481 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-23 00:47:04,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-23 00:47:04,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 00:47:04,484 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) [2024-09-23 00:47:04,487 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 [2024-09-23 00:47:04,523 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-23 00:47:04,537 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-23 00:47:04,545 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;@1acf6f1b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-23 00:47:04,547 INFO L337 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-09-23 00:47:04,674 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)] === [2024-09-23 00:47:04,680 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 00:47:04,681 INFO L85 PathProgramCache]: Analyzing trace with hash 478816074, now seen corresponding path program 1 times [2024-09-23 00:47:04,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 00:47:04,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845065058] [2024-09-23 00:47:04,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 00:47:04,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 00:47:04,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 00:47:05,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 00:47:05,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 00:47:05,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845065058] [2024-09-23 00:47:05,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845065058] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 00:47:05,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 00:47:05,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-23 00:47:05,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622141483] [2024-09-23 00:47:05,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 00:47:05,241 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-23 00:47:05,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 00:47:05,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-23 00:47:05,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-23 00:47:05,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 00:47:05,274 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 00:47:05,275 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2024-09-23 00:47:05,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 00:47:05,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 00:47:05,348 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-23 00:47:05,349 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)] === [2024-09-23 00:47:05,349 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 00:47:05,349 INFO L85 PathProgramCache]: Analyzing trace with hash 1897476807, now seen corresponding path program 1 times [2024-09-23 00:47:05,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 00:47:05,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594130580] [2024-09-23 00:47:05,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 00:47:05,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 00:47:05,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 00:47:05,809 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-23 00:47:05,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 00:47:05,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594130580] [2024-09-23 00:47:05,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594130580] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 00:47:05,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1350742387] [2024-09-23 00:47:05,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 00:47:05,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 00:47:05,811 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 00:47:05,813 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) [2024-09-23 00:47:05,815 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-09-23 00:47:05,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 00:47:05,921 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-09-23 00:47:05,926 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 00:47:06,129 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-23 00:47:06,130 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-23 00:47:06,888 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-23 00:47:06,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1350742387] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-23 00:47:06,889 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-23 00:47:06,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2024-09-23 00:47:06,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229288707] [2024-09-23 00:47:06,891 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-23 00:47:06,892 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-09-23 00:47:06,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 00:47:06,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-09-23 00:47:06,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-09-23 00:47:06,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 00:47:06,895 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 00:47:06,895 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.2222222222222223) internal successors, (20), 9 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) [2024-09-23 00:47:06,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 00:47:06,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 00:47:07,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 00:47:07,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-23 00:47:07,311 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-09-23 00:47:07,496 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,SelfDestructingSolverStorable1 [2024-09-23 00:47:07,497 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-23 00:47:07,498 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 00:47:07,498 INFO L85 PathProgramCache]: Analyzing trace with hash 1603880318, now seen corresponding path program 1 times [2024-09-23 00:47:07,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 00:47:07,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898006019] [2024-09-23 00:47:07,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 00:47:07,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 00:47:07,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 00:47:07,672 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 00:47:07,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 00:47:07,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898006019] [2024-09-23 00:47:07,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898006019] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 00:47:07,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [392930607] [2024-09-23 00:47:07,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 00:47:07,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 00:47:07,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 00:47:07,676 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) [2024-09-23 00:47:07,678 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-09-23 00:47:07,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 00:47:07,782 INFO L262 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-09-23 00:47:07,784 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 00:47:07,855 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 00:47:07,856 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-23 00:47:07,928 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 00:47:07,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [392930607] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-23 00:47:07,928 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-23 00:47:07,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 14 [2024-09-23 00:47:07,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610203784] [2024-09-23 00:47:07,929 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-23 00:47:07,929 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-09-23 00:47:07,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 00:47:07,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-09-23 00:47:07,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2024-09-23 00:47:07,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 00:47:07,931 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 00:47:07,931 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.2666666666666666) internal successors, (34), 14 states have internal predecessors, (34), 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) [2024-09-23 00:47:07,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 00:47:07,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-23 00:47:07,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 00:47:08,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 00:47:08,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-23 00:47:08,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-23 00:47:08,167 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-09-23 00:47:08,349 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 00:47:08,351 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-23 00:47:08,351 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 00:47:08,351 INFO L85 PathProgramCache]: Analyzing trace with hash -1126365767, now seen corresponding path program 2 times [2024-09-23 00:47:08,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 00:47:08,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71343679] [2024-09-23 00:47:08,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 00:47:08,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 00:47:08,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 00:47:09,170 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-09-23 00:47:09,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 00:47:09,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71343679] [2024-09-23 00:47:09,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71343679] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 00:47:09,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1840258453] [2024-09-23 00:47:09,171 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-23 00:47:09,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 00:47:09,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 00:47:09,174 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) [2024-09-23 00:47:09,175 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-09-23 00:47:09,268 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-09-23 00:47:09,268 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-23 00:47:09,269 INFO L262 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-09-23 00:47:09,271 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 00:47:09,781 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-09-23 00:47:09,781 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-23 00:47:09,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1840258453] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 00:47:09,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-23 00:47:09,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 12 [2024-09-23 00:47:09,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853784115] [2024-09-23 00:47:09,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 00:47:09,782 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-09-23 00:47:09,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 00:47:09,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-09-23 00:47:09,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2024-09-23 00:47:09,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 00:47:09,784 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 00:47:09,784 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 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) [2024-09-23 00:47:09,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 00:47:09,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-23 00:47:09,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-23 00:47:09,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 00:47:10,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 00:47:10,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-23 00:47:10,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-23 00:47:10,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 00:47:10,456 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-09-23 00:47:10,640 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 00:47:10,640 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)] === [2024-09-23 00:47:10,641 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 00:47:10,641 INFO L85 PathProgramCache]: Analyzing trace with hash -126408419, now seen corresponding path program 1 times [2024-09-23 00:47:10,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 00:47:10,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296089111] [2024-09-23 00:47:10,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 00:47:10,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 00:47:10,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 00:47:11,160 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-09-23 00:47:11,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 00:47:11,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296089111] [2024-09-23 00:47:11,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296089111] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 00:47:11,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1017225073] [2024-09-23 00:47:11,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 00:47:11,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 00:47:11,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 00:47:11,167 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) [2024-09-23 00:47:11,170 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-09-23 00:47:11,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 00:47:11,263 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-09-23 00:47:11,265 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 00:47:11,407 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-09-23 00:47:11,407 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-23 00:47:12,095 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-09-23 00:47:12,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1017225073] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-23 00:47:12,095 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-23 00:47:12,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2024-09-23 00:47:12,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80987080] [2024-09-23 00:47:12,095 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-23 00:47:12,096 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-09-23 00:47:12,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 00:47:12,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-09-23 00:47:12,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2024-09-23 00:47:12,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 00:47:12,097 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 00:47:12,097 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 2.2857142857142856) internal successors, (32), 14 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) [2024-09-23 00:47:12,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 00:47:12,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-23 00:47:12,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-23 00:47:12,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 00:47:12,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 00:47:13,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 00:47:13,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-23 00:47:13,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-23 00:47:13,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 00:47:13,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-23 00:47:13,322 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 6 remaining) [2024-09-23 00:47:13,323 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 6 remaining) [2024-09-23 00:47:13,323 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 6 remaining) [2024-09-23 00:47:13,323 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining) [2024-09-23 00:47:13,323 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining) [2024-09-23 00:47:13,323 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 6 remaining) [2024-09-23 00:47:13,341 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-09-23 00:47:13,524 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 00:47:13,532 INFO L408 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2024-09-23 00:47:13,536 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-09-23 00:47:13,536 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-23 00:47:13,538 INFO L469 ceAbstractionStarter]: Automizer considered 3 witness invariants [2024-09-23 00:47:13,540 INFO L470 ceAbstractionStarter]: WitnessConsidered=3 [2024-09-23 00:47:13,541 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.09 12:47:13 BasicIcfg [2024-09-23 00:47:13,542 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-23 00:47:13,543 INFO L158 Benchmark]: Toolchain (without parser) took 10903.07ms. Allocated memory was 153.1MB in the beginning and 318.8MB in the end (delta: 165.7MB). Free memory was 95.8MB in the beginning and 145.0MB in the end (delta: -49.1MB). Peak memory consumption was 118.0MB. Max. memory is 16.1GB. [2024-09-23 00:47:13,543 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 153.1MB. Free memory was 114.3MB in the beginning and 114.1MB in the end (delta: 178.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-23 00:47:13,545 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 153.1MB. Free memory is still 97.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-23 00:47:13,546 INFO L158 Benchmark]: CACSL2BoogieTranslator took 428.38ms. Allocated memory is still 153.1MB. Free memory was 95.4MB in the beginning and 78.8MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-23 00:47:13,546 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.54ms. Allocated memory is still 153.1MB. Free memory was 78.8MB in the beginning and 75.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-23 00:47:13,546 INFO L158 Benchmark]: Boogie Preprocessor took 61.03ms. Allocated memory is still 153.1MB. Free memory was 75.7MB in the beginning and 73.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-23 00:47:13,546 INFO L158 Benchmark]: RCFGBuilder took 1127.79ms. Allocated memory was 153.1MB in the beginning and 220.2MB in the end (delta: 67.1MB). Free memory was 73.6MB in the beginning and 104.7MB in the end (delta: -31.1MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. [2024-09-23 00:47:13,547 INFO L158 Benchmark]: TraceAbstraction took 9191.94ms. Allocated memory was 220.2MB in the beginning and 318.8MB in the end (delta: 98.6MB). Free memory was 103.0MB in the beginning and 145.0MB in the end (delta: -41.9MB). Peak memory consumption was 56.2MB. Max. memory is 16.1GB. [2024-09-23 00:47:13,548 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 153.1MB. Free memory was 114.3MB in the beginning and 114.1MB in the end (delta: 178.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Parser took 0.19ms. Allocated memory is still 153.1MB. Free memory is still 97.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 428.38ms. Allocated memory is still 153.1MB. Free memory was 95.4MB in the beginning and 78.8MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.54ms. Allocated memory is still 153.1MB. Free memory was 78.8MB in the beginning and 75.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.03ms. Allocated memory is still 153.1MB. Free memory was 75.7MB in the beginning and 73.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1127.79ms. Allocated memory was 153.1MB in the beginning and 220.2MB in the end (delta: 67.1MB). Free memory was 73.6MB in the beginning and 104.7MB in the end (delta: -31.1MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. * TraceAbstraction took 9191.94ms. Allocated memory was 220.2MB in the beginning and 318.8MB in the end (delta: 98.6MB). Free memory was 103.0MB in the beginning and 145.0MB in the end (delta: -41.9MB). Peak memory consumption was 56.2MB. 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: 19021, independent: 17333, independent conditional: 16617, independent unconditional: 716, dependent: 1688, dependent conditional: 1667, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17453, independent: 17333, independent conditional: 16617, independent unconditional: 716, dependent: 120, dependent conditional: 99, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 17453, independent: 17333, independent conditional: 16617, independent unconditional: 716, dependent: 120, dependent conditional: 99, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19639, independent: 17333, independent conditional: 16617, independent unconditional: 716, dependent: 2306, dependent conditional: 2285, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 19639, independent: 17333, independent conditional: 1870, independent unconditional: 15463, dependent: 2306, dependent conditional: 253, dependent unconditional: 2053, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 19639, independent: 17333, independent conditional: 1870, independent unconditional: 15463, dependent: 2306, dependent conditional: 253, dependent unconditional: 2053, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 762, independent: 711, independent conditional: 65, independent unconditional: 646, dependent: 51, dependent conditional: 24, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 762, independent: 644, independent conditional: 0, independent unconditional: 644, dependent: 118, dependent conditional: 0, dependent unconditional: 118, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 118, independent: 67, independent conditional: 65, independent unconditional: 2, dependent: 51, dependent conditional: 24, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 118, independent: 67, independent conditional: 65, independent unconditional: 2, dependent: 51, dependent conditional: 24, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 786, independent: 434, independent conditional: 394, independent unconditional: 40, dependent: 352, dependent conditional: 171, dependent unconditional: 181, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 19639, independent: 16622, independent conditional: 1805, independent unconditional: 14817, dependent: 2255, dependent conditional: 229, dependent unconditional: 2026, unknown: 762, unknown conditional: 89, unknown unconditional: 673] , Statistics on independence cache: Total cache size (in pairs): 762, Positive cache size: 711, Positive conditional cache size: 65, Positive unconditional cache size: 646, Negative cache size: 51, Negative conditional cache size: 24, Negative unconditional cache size: 27, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 16779, Maximal queried relation: 4, Independence queries for same thread: 1568, Persistent sets #1 benchmarks: Persistent set computation time: 0.3s, Number of persistent set computation: 378, Number of trivial persistent sets: 359, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 737, independent: 716, independent conditional: 0, independent unconditional: 716, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 19021, independent: 17333, independent conditional: 16617, independent unconditional: 716, dependent: 1688, dependent conditional: 1667, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17453, independent: 17333, independent conditional: 16617, independent unconditional: 716, dependent: 120, dependent conditional: 99, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 17453, independent: 17333, independent conditional: 16617, independent unconditional: 716, dependent: 120, dependent conditional: 99, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19639, independent: 17333, independent conditional: 16617, independent unconditional: 716, dependent: 2306, dependent conditional: 2285, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 19639, independent: 17333, independent conditional: 1870, independent unconditional: 15463, dependent: 2306, dependent conditional: 253, dependent unconditional: 2053, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 19639, independent: 17333, independent conditional: 1870, independent unconditional: 15463, dependent: 2306, dependent conditional: 253, dependent unconditional: 2053, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 762, independent: 711, independent conditional: 65, independent unconditional: 646, dependent: 51, dependent conditional: 24, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 762, independent: 644, independent conditional: 0, independent unconditional: 644, dependent: 118, dependent conditional: 0, dependent unconditional: 118, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 118, independent: 67, independent conditional: 65, independent unconditional: 2, dependent: 51, dependent conditional: 24, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 118, independent: 67, independent conditional: 65, independent unconditional: 2, dependent: 51, dependent conditional: 24, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 786, independent: 434, independent conditional: 394, independent unconditional: 40, dependent: 352, dependent conditional: 171, dependent unconditional: 181, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 19639, independent: 16622, independent conditional: 1805, independent unconditional: 14817, dependent: 2255, dependent conditional: 229, dependent unconditional: 2026, unknown: 762, unknown conditional: 89, unknown unconditional: 673] , Statistics on independence cache: Total cache size (in pairs): 762, Positive cache size: 711, Positive conditional cache size: 65, Positive unconditional cache size: 646, Negative cache size: 51, Negative conditional cache size: 24, Negative unconditional cache size: 27, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 16779, Maximal queried relation: 4, Independence queries for same thread: 1568 - PositiveResult [Line: 90]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 91]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 92]: 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, 56 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 9.0s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 2.7s, 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: 41, 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, 4.7s InterpolantComputationTime, 156 NumberOfCodeBlocks, 152 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 194 ConstructedInterpolants, 0 QuantifiedInterpolants, 3662 SizeOfPredicates, 10 NumberOfNonLiveVariables, 695 ConjunctsInSsa, 66 ConjunctsInUnsatCore, 12 InterpolantComputations, 2 PerfectInterpolantSequences, 31/54 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! [2024-09-23 00:47:13,587 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 [2024-09-23 00:47:13,787 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