./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-min-max-inc.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-min-max-inc.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a4c57e3 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/weaver/popl20-min-max-inc.wvr.c ./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/popl20-min-max-inc.wvr.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.witness-ghost-4a4c57e-m [2024-09-07 21:22:38,813 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-07 21:22:38,902 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-07 21:22:38,905 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-07 21:22:38,905 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-07 21:22:38,922 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-07 21:22:38,923 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-07 21:22:38,923 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-07 21:22:38,924 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-07 21:22:38,924 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-07 21:22:38,925 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-07 21:22:38,925 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-07 21:22:38,925 INFO L153 SettingsManager]: * Use SBE=true [2024-09-07 21:22:38,926 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-07 21:22:38,926 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-07 21:22:38,926 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-07 21:22:38,927 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-07 21:22:38,927 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-07 21:22:38,927 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-07 21:22:38,927 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-07 21:22:38,928 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-07 21:22:38,928 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-07 21:22:38,929 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-07 21:22:38,929 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-07 21:22:38,929 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-07 21:22:38,929 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-07 21:22:38,930 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-07 21:22:38,930 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-07 21:22:38,930 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-07 21:22:38,931 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-07 21:22:38,931 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-07 21:22:38,931 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-07 21:22:38,932 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-07 21:22:38,932 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-07 21:22:38,932 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-07 21:22:38,932 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-07 21:22:38,933 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-07 21:22:38,933 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-07 21:22:38,933 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-07 21:22:38,934 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-07 21:22:38,934 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-07 21:22:38,934 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-09-07 21:22:39,169 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-07 21:22:39,187 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-07 21:22:39,189 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-07 21:22:39,190 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-07 21:22:39,191 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-07 21:22:39,192 INFO L431 ainManager$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-min-max-inc.wvr.yml/witness.yml [2024-09-07 21:22:39,267 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-07 21:22:39,268 INFO L274 PluginConnector]: CDTParser initialized [2024-09-07 21:22:39,269 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-min-max-inc.wvr.c [2024-09-07 21:22:40,637 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-07 21:22:40,852 INFO L384 CDTParser]: Found 1 translation units. [2024-09-07 21:22:40,853 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-min-max-inc.wvr.c [2024-09-07 21:22:40,865 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/1831d0df4/7689ab7610e54ac4887690d740fbd0bf/FLAG8c5a42a98 [2024-09-07 21:22:41,206 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/1831d0df4/7689ab7610e54ac4887690d740fbd0bf [2024-09-07 21:22:41,207 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-07 21:22:41,208 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-07 21:22:41,211 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-07 21:22:41,211 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-07 21:22:41,216 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-07 21:22:41,216 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.09 09:22:39" (1/2) ... [2024-09-07 21:22:41,217 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19324059 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.09 09:22:41, skipping insertion in model container [2024-09-07 21:22:41,217 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.09 09:22:39" (1/2) ... [2024-09-07 21:22:41,219 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@39f301ea and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.09 09:22:41, skipping insertion in model container [2024-09-07 21:22:41,220 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 09:22:41" (2/2) ... [2024-09-07 21:22:41,220 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19324059 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:22:41, skipping insertion in model container [2024-09-07 21:22:41,220 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 09:22:41" (2/2) ... [2024-09-07 21:22:41,243 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-07 21:22:41,246 INFO L1541 ArrayList]: Location invariant before [L111-L111] ((! multithreaded || 1 <= N) && (! multithreaded || ((((((((((((-1LL + (long long )N) + (long long )v_assert >= 0LL && (-1LL + (long long )N) + (long long )b1 >= 0LL) && (-1LL + (long long )N) + (long long )b2 >= 0LL) && (1073741823LL - (long long )N) + (long long )v_assert >= 0LL) && (1073741823LL - (long long )N) + (long long )b1 >= 0LL) && (1073741823LL - (long long )N) + (long long )b2 >= 0LL) && (1073741824LL - (long long )N) - (long long )v_assert >= 0LL) && (1073741824LL - (long long )N) - (long long )b1 >= 0LL) && (1073741824LL - (long long )N) - (long long )b2 >= 0LL) && (long long )N - (long long )v_assert >= 0LL) && (long long )N - (long long )b1 >= 0LL) && (long long )N - (long long )b2 >= 0LL))) && (! multithreaded || 1 <= N) [2024-09-07 21:22:41,246 INFO L1541 ArrayList]: Location invariant before [L113-L113] ((! multithreaded || 1 <= N) && (! multithreaded || ((((((((((((-1LL + (long long )N) + (long long )v_assert >= 0LL && (-1LL + (long long )N) + (long long )b1 >= 0LL) && (-1LL + (long long )N) + (long long )b2 >= 0LL) && (1073741823LL - (long long )N) + (long long )v_assert >= 0LL) && (1073741823LL - (long long )N) + (long long )b1 >= 0LL) && (1073741823LL - (long long )N) + (long long )b2 >= 0LL) && (1073741824LL - (long long )N) - (long long )v_assert >= 0LL) && (1073741824LL - (long long )N) - (long long )b1 >= 0LL) && (1073741824LL - (long long )N) - (long long )b2 >= 0LL) && (long long )N - (long long )v_assert >= 0LL) && (long long )N - (long long )b1 >= 0LL) && (long long )N - (long long )b2 >= 0LL))) && (! multithreaded || 1 <= N) [2024-09-07 21:22:41,247 INFO L1541 ArrayList]: Location invariant before [L112-L112] ((! multithreaded || 1 <= N) && (! multithreaded || ((((((((((((-1LL + (long long )N) + (long long )v_assert >= 0LL && (-1LL + (long long )N) + (long long )b1 >= 0LL) && (-1LL + (long long )N) + (long long )b2 >= 0LL) && (1073741823LL - (long long )N) + (long long )v_assert >= 0LL) && (1073741823LL - (long long )N) + (long long )b1 >= 0LL) && (1073741823LL - (long long )N) + (long long )b2 >= 0LL) && (1073741824LL - (long long )N) - (long long )v_assert >= 0LL) && (1073741824LL - (long long )N) - (long long )b1 >= 0LL) && (1073741824LL - (long long )N) - (long long )b2 >= 0LL) && (long long )N - (long long )v_assert >= 0LL) && (long long )N - (long long )b1 >= 0LL) && (long long )N - (long long )b2 >= 0LL))) && (! multithreaded || 1 <= N) [2024-09-07 21:22:41,247 INFO L1541 ArrayList]: Location invariant before [L114-L114] ((! multithreaded || 1 <= N) && (! multithreaded || ((((((((((((-1LL + (long long )N) + (long long )v_assert >= 0LL && (-1LL + (long long )N) + (long long )b1 >= 0LL) && (-1LL + (long long )N) + (long long )b2 >= 0LL) && (1073741823LL - (long long )N) + (long long )v_assert >= 0LL) && (1073741823LL - (long long )N) + (long long )b1 >= 0LL) && (1073741823LL - (long long )N) + (long long )b2 >= 0LL) && (1073741824LL - (long long )N) - (long long )v_assert >= 0LL) && (1073741824LL - (long long )N) - (long long )b1 >= 0LL) && (1073741824LL - (long long )N) - (long long )b2 >= 0LL) && (long long )N - (long long )v_assert >= 0LL) && (long long )N - (long long )b1 >= 0LL) && (long long )N - (long long )b2 >= 0LL))) && (! multithreaded || 1 <= N) [2024-09-07 21:22:41,247 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-09-07 21:22:41,247 INFO L1541 ArrayList]: ghost_update [L110-L110] multithreaded = 1; [2024-09-07 21:22:41,268 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-07 21:22:41,432 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-07 21:22:41,441 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-07 21:22:41,518 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-07 21:22:41,533 INFO L204 MainTranslator]: Completed translation [2024-09-07 21:22:41,533 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:22:41 WrapperNode [2024-09-07 21:22:41,534 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-07 21:22:41,535 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-07 21:22:41,535 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-07 21:22:41,535 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-07 21:22:41,541 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:22:41" (1/1) ... [2024-09-07 21:22:41,550 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:22:41" (1/1) ... [2024-09-07 21:22:41,585 INFO L138 Inliner]: procedures = 25, calls = 44, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 130 [2024-09-07 21:22:41,586 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-07 21:22:41,586 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-07 21:22:41,587 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-07 21:22:41,587 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-07 21:22:41,598 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:22:41" (1/1) ... [2024-09-07 21:22:41,598 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:22:41" (1/1) ... [2024-09-07 21:22:41,603 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:22:41" (1/1) ... [2024-09-07 21:22:41,603 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:22:41" (1/1) ... [2024-09-07 21:22:41,616 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:22:41" (1/1) ... [2024-09-07 21:22:41,623 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:22:41" (1/1) ... [2024-09-07 21:22:41,629 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:22:41" (1/1) ... [2024-09-07 21:22:41,631 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:22:41" (1/1) ... [2024-09-07 21:22:41,638 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-07 21:22:41,639 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-07 21:22:41,639 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-07 21:22:41,639 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-07 21:22:41,640 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:22:41" (1/1) ... [2024-09-07 21:22:41,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-07 21:22:41,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-07 21:22:41,669 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-09-07 21:22:41,671 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-09-07 21:22:41,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-07 21:22:41,712 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-09-07 21:22:41,712 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-09-07 21:22:41,713 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-09-07 21:22:41,713 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-09-07 21:22:41,713 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-09-07 21:22:41,713 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-09-07 21:22:41,713 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-09-07 21:22:41,713 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-09-07 21:22:41,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-07 21:22:41,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-07 21:22:41,714 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-09-07 21:22:41,714 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-09-07 21:22:41,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-09-07 21:22:41,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-07 21:22:41,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-07 21:22:41,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-07 21:22:41,716 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-09-07 21:22:41,822 INFO L242 CfgBuilder]: Building ICFG [2024-09-07 21:22:41,824 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-07 21:22:42,170 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-07 21:22:42,171 INFO L291 CfgBuilder]: Performing block encoding [2024-09-07 21:22:42,413 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-07 21:22:42,413 INFO L318 CfgBuilder]: Removed 4 assume(true) statements. [2024-09-07 21:22:42,414 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 09:22:42 BoogieIcfgContainer [2024-09-07 21:22:42,414 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-07 21:22:42,416 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-07 21:22:42,416 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-07 21:22:42,420 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-07 21:22:42,420 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.09 09:22:39" (1/4) ... [2024-09-07 21:22:42,420 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62a4c87e and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.09 09:22:42, skipping insertion in model container [2024-09-07 21:22:42,421 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.09 09:22:41" (2/4) ... [2024-09-07 21:22:42,421 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62a4c87e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 09:22:42, skipping insertion in model container [2024-09-07 21:22:42,421 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:22:41" (3/4) ... [2024-09-07 21:22:42,421 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62a4c87e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 09:22:42, skipping insertion in model container [2024-09-07 21:22:42,422 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 09:22:42" (4/4) ... [2024-09-07 21:22:42,423 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-min-max-inc.wvr.c [2024-09-07 21:22:42,440 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-07 21:22:42,440 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-09-07 21:22:42,441 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-07 21:22:42,503 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-09-07 21:22:42,549 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-07 21:22:42,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-07 21:22:42,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-07 21:22:42,551 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-09-07 21:22:42,552 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-09-07 21:22:42,579 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-07 21:22:42,588 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-07 21:22:42,594 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;@6faa1282, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-07 21:22:42,594 INFO L337 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-09-07 21:22:42,742 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 5 more)] === [2024-09-07 21:22:42,747 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-07 21:22:42,747 INFO L85 PathProgramCache]: Analyzing trace with hash 1025645809, now seen corresponding path program 1 times [2024-09-07 21:22:42,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-07 21:22:42,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014655502] [2024-09-07 21:22:42,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 21:22:42,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-07 21:22:42,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 21:22:43,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-07 21:22:43,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-07 21:22:43,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014655502] [2024-09-07 21:22:43,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014655502] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-07 21:22:43,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-07 21:22:43,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-07 21:22:43,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356836822] [2024-09-07 21:22:43,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-07 21:22:43,087 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-07 21:22:43,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-07 21:22:43,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-07 21:22:43,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-07 21:22:43,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:22:43,112 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-07 21:22:43,113 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-07 21:22:43,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:22:43,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:22:43,146 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-07 21:22:43,147 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 5 more)] === [2024-09-07 21:22:43,147 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-07 21:22:43,147 INFO L85 PathProgramCache]: Analyzing trace with hash 1738319013, now seen corresponding path program 1 times [2024-09-07 21:22:43,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-07 21:22:43,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004490652] [2024-09-07 21:22:43,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 21:22:43,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-07 21:22:43,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 21:22:43,681 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-07 21:22:43,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-07 21:22:43,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004490652] [2024-09-07 21:22:43,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004490652] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-07 21:22:43,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [679588204] [2024-09-07 21:22:43,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 21:22:43,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-07 21:22:43,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-07 21:22:43,695 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-07 21:22:43,697 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-09-07 21:22:43,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 21:22:43,801 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-09-07 21:22:43,808 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-07 21:22:44,000 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-07 21:22:44,000 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-07 21:22:44,409 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-07 21:22:44,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [679588204] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-07 21:22:44,410 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-07 21:22:44,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-09-07 21:22:44,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766750798] [2024-09-07 21:22:44,411 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-07 21:22:44,412 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-09-07 21:22:44,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-07 21:22:44,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-09-07 21:22:44,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2024-09-07 21:22:44,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:22:44,415 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-07 21:22:44,416 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.272727272727273) internal successors, (25), 11 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-07 21:22:44,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:22:44,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:22:46,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:22:46,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-07 21:22:46,166 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 8 remaining) [2024-09-07 21:22:46,167 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 8 remaining) [2024-09-07 21:22:46,167 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 8 remaining) [2024-09-07 21:22:46,167 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 8 remaining) [2024-09-07 21:22:46,168 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 8 remaining) [2024-09-07 21:22:46,168 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 8 remaining) [2024-09-07 21:22:46,168 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 8 remaining) [2024-09-07 21:22:46,168 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 8 remaining) [2024-09-07 21:22:46,186 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-09-07 21:22:46,369 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 [2024-09-07 21:22:46,376 INFO L408 BasicCegarLoop]: Path program histogram: [1, 1] [2024-09-07 21:22:46,379 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-09-07 21:22:46,379 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-07 21:22:46,381 INFO L469 ceAbstractionStarter]: Automizer considered 4 witness invariants [2024-09-07 21:22:46,381 INFO L470 ceAbstractionStarter]: WitnessConsidered=4 [2024-09-07 21:22:46,382 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.09 09:22:46 BasicIcfg [2024-09-07 21:22:46,382 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-07 21:22:46,383 INFO L158 Benchmark]: Toolchain (without parser) took 5174.65ms. Allocated memory was 163.6MB in the beginning and 264.2MB in the end (delta: 100.7MB). Free memory was 104.3MB in the beginning and 147.0MB in the end (delta: -42.8MB). Peak memory consumption was 111.8MB. Max. memory is 16.1GB. [2024-09-07 21:22:46,383 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 163.6MB. Free memory is still 126.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-07 21:22:46,383 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 163.6MB. Free memory is still 123.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-07 21:22:46,384 INFO L158 Benchmark]: CACSL2BoogieTranslator took 323.30ms. Allocated memory is still 163.6MB. Free memory was 103.6MB in the beginning and 87.5MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-07 21:22:46,384 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.24ms. Allocated memory is still 163.6MB. Free memory was 87.5MB in the beginning and 84.1MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-07 21:22:46,384 INFO L158 Benchmark]: Boogie Preprocessor took 52.04ms. Allocated memory is still 163.6MB. Free memory was 84.1MB in the beginning and 82.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-07 21:22:46,385 INFO L158 Benchmark]: RCFGBuilder took 774.92ms. Allocated memory was 163.6MB in the beginning and 220.2MB in the end (delta: 56.6MB). Free memory was 82.6MB in the beginning and 174.4MB in the end (delta: -91.8MB). Peak memory consumption was 54.6MB. Max. memory is 16.1GB. [2024-09-07 21:22:46,385 INFO L158 Benchmark]: TraceAbstraction took 3965.75ms. Allocated memory was 220.2MB in the beginning and 264.2MB in the end (delta: 44.0MB). Free memory was 173.4MB in the beginning and 147.0MB in the end (delta: 26.3MB). Peak memory consumption was 122.2MB. Max. memory is 16.1GB. [2024-09-07 21:22:46,389 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.13ms. Allocated memory is still 163.6MB. Free memory is still 126.3MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.19ms. Allocated memory is still 163.6MB. Free memory is still 123.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 323.30ms. Allocated memory is still 163.6MB. Free memory was 103.6MB in the beginning and 87.5MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.24ms. Allocated memory is still 163.6MB. Free memory was 87.5MB in the beginning and 84.1MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.04ms. Allocated memory is still 163.6MB. Free memory was 84.1MB in the beginning and 82.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 774.92ms. Allocated memory was 163.6MB in the beginning and 220.2MB in the end (delta: 56.6MB). Free memory was 82.6MB in the beginning and 174.4MB in the end (delta: -91.8MB). Peak memory consumption was 54.6MB. Max. memory is 16.1GB. * TraceAbstraction took 3965.75ms. Allocated memory was 220.2MB in the beginning and 264.2MB in the end (delta: 44.0MB). Free memory was 173.4MB in the beginning and 147.0MB in the end (delta: 26.3MB). Peak memory consumption was 122.2MB. 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: 45079, independent: 41436, independent conditional: 39724, independent unconditional: 1712, dependent: 3643, dependent conditional: 3597, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 42413, independent: 41436, independent conditional: 39724, independent unconditional: 1712, dependent: 977, dependent conditional: 931, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 42413, independent: 41436, independent conditional: 39724, independent unconditional: 1712, dependent: 977, dependent conditional: 931, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 43921, independent: 41436, independent conditional: 39724, independent unconditional: 1712, dependent: 2485, dependent conditional: 2439, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 43921, independent: 41436, independent conditional: 577, independent unconditional: 40859, dependent: 2485, dependent conditional: 530, dependent unconditional: 1955, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 43921, independent: 41436, independent conditional: 577, independent unconditional: 40859, dependent: 2485, dependent conditional: 530, dependent unconditional: 1955, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1664, independent: 1602, independent conditional: 20, independent unconditional: 1582, dependent: 62, dependent conditional: 16, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1664, independent: 1562, independent conditional: 0, independent unconditional: 1562, dependent: 102, dependent conditional: 0, dependent unconditional: 102, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 102, independent: 40, independent conditional: 20, independent unconditional: 20, dependent: 62, dependent conditional: 16, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 102, independent: 40, independent conditional: 20, independent unconditional: 20, dependent: 62, dependent conditional: 16, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 433, independent: 184, independent conditional: 68, independent unconditional: 116, dependent: 248, dependent conditional: 65, dependent unconditional: 183, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 43921, independent: 39834, independent conditional: 557, independent unconditional: 39277, dependent: 2423, dependent conditional: 514, dependent unconditional: 1909, unknown: 1664, unknown conditional: 36, unknown unconditional: 1628] , Statistics on independence cache: Total cache size (in pairs): 1664, Positive cache size: 1602, Positive conditional cache size: 20, Positive unconditional cache size: 1582, Negative cache size: 62, Negative conditional cache size: 16, Negative unconditional cache size: 46, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 41056, Maximal queried relation: 1, Independence queries for same thread: 2666, Persistent sets #1 benchmarks: Persistent set computation time: 0.6s, Number of persistent set computation: 2830, Number of trivial persistent sets: 1684, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1758, independent: 1712, independent conditional: 0, independent unconditional: 1712, dependent: 46, dependent conditional: 0, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 45079, independent: 41436, independent conditional: 39724, independent unconditional: 1712, dependent: 3643, dependent conditional: 3597, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 42413, independent: 41436, independent conditional: 39724, independent unconditional: 1712, dependent: 977, dependent conditional: 931, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 42413, independent: 41436, independent conditional: 39724, independent unconditional: 1712, dependent: 977, dependent conditional: 931, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 43921, independent: 41436, independent conditional: 39724, independent unconditional: 1712, dependent: 2485, dependent conditional: 2439, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 43921, independent: 41436, independent conditional: 577, independent unconditional: 40859, dependent: 2485, dependent conditional: 530, dependent unconditional: 1955, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 43921, independent: 41436, independent conditional: 577, independent unconditional: 40859, dependent: 2485, dependent conditional: 530, dependent unconditional: 1955, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1664, independent: 1602, independent conditional: 20, independent unconditional: 1582, dependent: 62, dependent conditional: 16, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1664, independent: 1562, independent conditional: 0, independent unconditional: 1562, dependent: 102, dependent conditional: 0, dependent unconditional: 102, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 102, independent: 40, independent conditional: 20, independent unconditional: 20, dependent: 62, dependent conditional: 16, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 102, independent: 40, independent conditional: 20, independent unconditional: 20, dependent: 62, dependent conditional: 16, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 433, independent: 184, independent conditional: 68, independent unconditional: 116, dependent: 248, dependent conditional: 65, dependent unconditional: 183, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 43921, independent: 39834, independent conditional: 557, independent unconditional: 39277, dependent: 2423, dependent conditional: 514, dependent unconditional: 1909, unknown: 1664, unknown conditional: 36, unknown unconditional: 1628] , Statistics on independence cache: Total cache size (in pairs): 1664, Positive cache size: 1602, Positive conditional cache size: 20, Positive unconditional cache size: 1582, Negative cache size: 62, Negative conditional cache size: 16, Negative unconditional cache size: 46, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 41056, Maximal queried relation: 1, Independence queries for same thread: 2666 - PositiveResult [Line: 111]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 112]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 113]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 114]: 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 9 procedures, 82 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 3.8s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.9s, 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: 10, 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 39 ConstructedInterpolants, 0 QuantifiedInterpolants, 691 SizeOfPredicates, 2 NumberOfNonLiveVariables, 102 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 0/3 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! [2024-09-07 21:22:46,427 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-09-07 21:22:46,622 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE