./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-06-19_11-23-25.files/mutex-meet-nonrel/36-apron_17-traces-rpb-litmus_unknown_1_pos.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2cc22fce Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i ./goblint.2024-06-19_11-23-25.files/mutex-meet-nonrel/36-apron_17-traces-rpb-litmus_unknown_1_pos.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-2cc22fc-m [2024-07-23 00:26:26,538 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-07-23 00:26:26,594 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-07-23 00:26:26,601 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-07-23 00:26:26,602 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-07-23 00:26:26,632 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-07-23 00:26:26,633 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-07-23 00:26:26,633 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-07-23 00:26:26,634 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-07-23 00:26:26,636 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-07-23 00:26:26,637 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-07-23 00:26:26,637 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-07-23 00:26:26,638 INFO L153 SettingsManager]: * Use SBE=true [2024-07-23 00:26:26,639 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-07-23 00:26:26,639 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-07-23 00:26:26,639 INFO L153 SettingsManager]: * sizeof long=4 [2024-07-23 00:26:26,639 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-07-23 00:26:26,640 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-07-23 00:26:26,640 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-07-23 00:26:26,640 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-07-23 00:26:26,640 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-07-23 00:26:26,641 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-07-23 00:26:26,641 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-07-23 00:26:26,641 INFO L153 SettingsManager]: * sizeof long double=12 [2024-07-23 00:26:26,641 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-07-23 00:26:26,641 INFO L153 SettingsManager]: * Use constant arrays=true [2024-07-23 00:26:26,642 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-07-23 00:26:26,642 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-07-23 00:26:26,642 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-07-23 00:26:26,642 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-07-23 00:26:26,643 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-23 00:26:26,643 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-07-23 00:26:26,643 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-07-23 00:26:26,644 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-07-23 00:26:26,644 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-07-23 00:26:26,644 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-07-23 00:26:26,644 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-07-23 00:26:26,644 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-07-23 00:26:26,644 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-07-23 00:26:26,645 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-07-23 00:26:26,645 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-07-23 00:26:26,645 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-07-23 00:26:26,645 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-07-23 00:26:26,893 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-07-23 00:26:26,929 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-07-23 00:26:26,931 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-07-23 00:26:26,932 INFO L270 PluginConnector]: Initializing CDTParser... [2024-07-23 00:26:26,932 INFO L274 PluginConnector]: CDTParser initialized [2024-07-23 00:26:26,933 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i [2024-07-23 00:26:27,989 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-07-23 00:26:28,206 INFO L384 CDTParser]: Found 1 translation units. [2024-07-23 00:26:28,206 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i [2024-07-23 00:26:28,224 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/fb1f055e9/980c78485a9e4b37814691f48a71d3bf/FLAG116a9aaea [2024-07-23 00:26:28,235 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/fb1f055e9/980c78485a9e4b37814691f48a71d3bf [2024-07-23 00:26:28,237 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-07-23 00:26:28,237 INFO L274 PluginConnector]: Witness Parser initialized [2024-07-23 00:26:28,238 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-06-19_11-23-25.files/mutex-meet-nonrel/36-apron_17-traces-rpb-litmus_unknown_1_pos.yml/witness.yml [2024-07-23 00:26:28,342 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-07-23 00:26:28,344 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-07-23 00:26:28,345 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-07-23 00:26:28,345 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-07-23 00:26:28,349 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-07-23 00:26:28,351 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 12:26:28" (1/2) ... [2024-07-23 00:26:28,351 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7531fea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:26:28, skipping insertion in model container [2024-07-23 00:26:28,352 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 12:26:28" (1/2) ... [2024-07-23 00:26:28,353 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1c5fc266 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:26:28, skipping insertion in model container [2024-07-23 00:26:28,353 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.07 12:26:28" (2/2) ... [2024-07-23 00:26:28,354 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7531fea and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.07 12:26:28, skipping insertion in model container [2024-07-23 00:26:28,354 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.07 12:26:28" (2/2) ... [2024-07-23 00:26:28,354 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-07-23 00:26:28,385 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-07-23 00:26:28,386 INFO L97 edCorrectnessWitness]: Location invariant before [L698-L698] ((! multithreaded || (B_locked || (g == 17 || g == 42))) && (! multithreaded || (A_locked || (g == 17 || g == 42)))) && (! multithreaded || (g == 17 || g == 42)) [2024-07-23 00:26:28,387 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-07-23 00:26:28,387 INFO L103 edCorrectnessWitness]: ghost_variable A_locked = 0 [2024-07-23 00:26:28,387 INFO L103 edCorrectnessWitness]: ghost_variable B_locked = 0 [2024-07-23 00:26:28,388 INFO L106 edCorrectnessWitness]: ghost_update [L689-L689] B_locked = 0; [2024-07-23 00:26:28,388 INFO L106 edCorrectnessWitness]: ghost_update [L690-L690] A_locked = 0; [2024-07-23 00:26:28,388 INFO L106 edCorrectnessWitness]: ghost_update [L702-L702] B_locked = 0; [2024-07-23 00:26:28,389 INFO L106 edCorrectnessWitness]: ghost_update [L708-L708] A_locked = 0; [2024-07-23 00:26:28,389 INFO L106 edCorrectnessWitness]: ghost_update [L699-L699] B_locked = 1; [2024-07-23 00:26:28,389 INFO L106 edCorrectnessWitness]: ghost_update [L697-L697] multithreaded = 1; [2024-07-23 00:26:28,389 INFO L106 edCorrectnessWitness]: ghost_update [L707-L707] B_locked = 0; [2024-07-23 00:26:28,389 INFO L106 edCorrectnessWitness]: ghost_update [L687-L687] B_locked = 1; [2024-07-23 00:26:28,389 INFO L106 edCorrectnessWitness]: ghost_update [L686-L686] A_locked = 1; [2024-07-23 00:26:28,389 INFO L106 edCorrectnessWitness]: ghost_update [L703-L703] B_locked = 1; [2024-07-23 00:26:28,390 INFO L106 edCorrectnessWitness]: ghost_update [L698-L698] A_locked = 1; [2024-07-23 00:26:28,427 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-07-23 00:26:28,703 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-23 00:26:28,712 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-07-23 00:26:28,774 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-23 00:26:28,799 INFO L206 MainTranslator]: Completed translation [2024-07-23 00:26:28,800 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.07 12:26:28 WrapperNode [2024-07-23 00:26:28,800 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-07-23 00:26:28,801 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-07-23 00:26:28,801 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-07-23 00:26:28,801 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-07-23 00:26:28,806 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 23.07 12:26:28" (1/1) ... [2024-07-23 00:26:28,815 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 23.07 12:26:28" (1/1) ... [2024-07-23 00:26:28,829 INFO L138 Inliner]: procedures = 163, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 78 [2024-07-23 00:26:28,830 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-07-23 00:26:28,830 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-07-23 00:26:28,831 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-07-23 00:26:28,831 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-07-23 00:26:28,837 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.07 12:26:28" (1/1) ... [2024-07-23 00:26:28,838 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.07 12:26:28" (1/1) ... [2024-07-23 00:26:28,840 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.07 12:26:28" (1/1) ... [2024-07-23 00:26:28,843 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.07 12:26:28" (1/1) ... [2024-07-23 00:26:28,848 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.07 12:26:28" (1/1) ... [2024-07-23 00:26:28,851 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.07 12:26:28" (1/1) ... [2024-07-23 00:26:28,853 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.07 12:26:28" (1/1) ... [2024-07-23 00:26:28,855 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.07 12:26:28" (1/1) ... [2024-07-23 00:26:28,857 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-07-23 00:26:28,863 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-07-23 00:26:28,863 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-07-23 00:26:28,863 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-07-23 00:26:28,864 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.07 12:26:28" (1/1) ... [2024-07-23 00:26:28,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-23 00:26:28,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-23 00:26:28,905 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) [2024-07-23 00:26:28,911 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 [2024-07-23 00:26:28,966 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-07-23 00:26:28,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-07-23 00:26:28,966 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-07-23 00:26:28,967 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-07-23 00:26:28,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-07-23 00:26:28,967 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-07-23 00:26:28,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-07-23 00:26:28,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-07-23 00:26:28,973 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-07-23 00:26:29,103 INFO L244 CfgBuilder]: Building ICFG [2024-07-23 00:26:29,105 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-07-23 00:26:29,294 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-07-23 00:26:29,294 INFO L293 CfgBuilder]: Performing block encoding [2024-07-23 00:26:29,424 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-07-23 00:26:29,424 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-07-23 00:26:29,424 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 12:26:29 BoogieIcfgContainer [2024-07-23 00:26:29,424 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-07-23 00:26:29,426 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-07-23 00:26:29,426 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-07-23 00:26:29,428 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-07-23 00:26:29,428 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 12:26:28" (1/4) ... [2024-07-23 00:26:29,429 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f5c2906 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 12:26:29, skipping insertion in model container [2024-07-23 00:26:29,429 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.07 12:26:28" (2/4) ... [2024-07-23 00:26:29,430 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f5c2906 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 23.07 12:26:29, skipping insertion in model container [2024-07-23 00:26:29,430 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.07 12:26:28" (3/4) ... [2024-07-23 00:26:29,430 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f5c2906 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 23.07 12:26:29, skipping insertion in model container [2024-07-23 00:26:29,430 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 12:26:29" (4/4) ... [2024-07-23 00:26:29,431 INFO L112 eAbstractionObserver]: Analyzing ICFG 36-apron_17-traces-rpb-litmus_unknown_1_pos.i [2024-07-23 00:26:29,443 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-07-23 00:26:29,444 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-07-23 00:26:29,444 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-07-23 00:26:29,476 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-07-23 00:26:29,515 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-23 00:26:29,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-07-23 00:26:29,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-23 00:26:29,516 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) [2024-07-23 00:26:29,517 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 [2024-07-23 00:26:29,543 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-07-23 00:26:29,552 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-07-23 00:26:29,558 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1c22c4ba, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-23 00:26:29,558 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-07-23 00:26:29,656 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-07-23 00:26:29,661 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-23 00:26:29,661 INFO L85 PathProgramCache]: Analyzing trace with hash -1999379475, now seen corresponding path program 1 times [2024-07-23 00:26:29,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-23 00:26:29,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100998307] [2024-07-23 00:26:29,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-23 00:26:29,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-23 00:26:29,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-23 00:26:29,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-23 00:26:29,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-23 00:26:29,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100998307] [2024-07-23 00:26:29,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100998307] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-23 00:26:29,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-23 00:26:29,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-07-23 00:26:29,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277840221] [2024-07-23 00:26:29,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-23 00:26:29,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-07-23 00:26:29,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-23 00:26:29,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-07-23 00:26:29,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-07-23 00:26:29,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-23 00:26:29,935 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-23 00:26:29,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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) [2024-07-23 00:26:29,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-23 00:26:29,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-23 00:26:29,999 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 2 remaining) [2024-07-23 00:26:29,999 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-07-23 00:26:30,000 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-07-23 00:26:30,010 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-07-23 00:26:30,012 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-07-23 00:26:30,013 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-07-23 00:26:30,014 INFO L507 ceAbstractionStarter]: Automizer considered 1 witness invariants [2024-07-23 00:26:30,014 INFO L508 ceAbstractionStarter]: WitnessConsidered=1 [2024-07-23 00:26:30,015 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 12:26:30 BasicIcfg [2024-07-23 00:26:30,015 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-07-23 00:26:30,018 INFO L158 Benchmark]: Toolchain (without parser) took 1672.60ms. Allocated memory is still 157.3MB. Free memory was 119.1MB in the beginning and 51.1MB in the end (delta: 68.0MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. [2024-07-23 00:26:30,020 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 109.1MB. Free memory is still 78.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-07-23 00:26:30,020 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 157.3MB. Free memory is still 122.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-07-23 00:26:30,020 INFO L158 Benchmark]: CACSL2BoogieTranslator took 455.37ms. Allocated memory is still 157.3MB. Free memory was 118.6MB in the beginning and 92.7MB in the end (delta: 26.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-07-23 00:26:30,021 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.52ms. Allocated memory is still 157.3MB. Free memory was 92.7MB in the beginning and 90.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-07-23 00:26:30,021 INFO L158 Benchmark]: Boogie Preprocessor took 31.94ms. Allocated memory is still 157.3MB. Free memory was 90.5MB in the beginning and 89.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-07-23 00:26:30,021 INFO L158 Benchmark]: RCFGBuilder took 561.08ms. Allocated memory is still 157.3MB. Free memory was 89.3MB in the beginning and 97.2MB in the end (delta: -7.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-07-23 00:26:30,025 INFO L158 Benchmark]: TraceAbstraction took 590.04ms. Allocated memory is still 157.3MB. Free memory was 97.2MB in the beginning and 51.1MB in the end (delta: 46.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-07-23 00:26:30,026 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 109.1MB. Free memory is still 78.8MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 157.3MB. Free memory is still 122.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 455.37ms. Allocated memory is still 157.3MB. Free memory was 118.6MB in the beginning and 92.7MB in the end (delta: 26.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.52ms. Allocated memory is still 157.3MB. Free memory was 92.7MB in the beginning and 90.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.94ms. Allocated memory is still 157.3MB. Free memory was 90.5MB in the beginning and 89.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 561.08ms. Allocated memory is still 157.3MB. Free memory was 89.3MB in the beginning and 97.2MB in the end (delta: -7.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * TraceAbstraction took 590.04ms. Allocated memory is still 157.3MB. Free memory was 97.2MB in the beginning and 51.1MB in the end (delta: 46.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 147, independent: 141, independent conditional: 18, independent unconditional: 123, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 147, independent: 141, independent conditional: 18, independent unconditional: 123, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 147, independent: 141, independent conditional: 18, independent unconditional: 123, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 147, independent: 141, independent conditional: 0, independent unconditional: 141, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 147, independent: 141, independent conditional: 0, independent unconditional: 141, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 147, independent: 141, independent conditional: 0, independent unconditional: 141, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 129, independent: 123, independent conditional: 0, independent unconditional: 123, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 129, independent: 102, independent conditional: 0, independent unconditional: 102, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 27, independent: 21, independent conditional: 0, independent unconditional: 21, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 27, independent: 21, independent conditional: 0, independent unconditional: 21, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 90, independent: 78, independent conditional: 0, independent unconditional: 78, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 147, independent: 18, independent conditional: 0, independent unconditional: 18, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 129, unknown conditional: 0, unknown unconditional: 129] , Statistics on independence cache: Total cache size (in pairs): 129, Positive cache size: 123, Positive conditional cache size: 0, Positive unconditional cache size: 123, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 23, Number of trivial persistent sets: 23, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 129, independent: 123, independent conditional: 0, independent unconditional: 123, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 147, independent: 141, independent conditional: 18, independent unconditional: 123, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 147, independent: 141, independent conditional: 18, independent unconditional: 123, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 147, independent: 141, independent conditional: 18, independent unconditional: 123, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 147, independent: 141, independent conditional: 0, independent unconditional: 141, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 147, independent: 141, independent conditional: 0, independent unconditional: 141, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 147, independent: 141, independent conditional: 0, independent unconditional: 141, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 129, independent: 123, independent conditional: 0, independent unconditional: 123, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 129, independent: 102, independent conditional: 0, independent unconditional: 102, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 27, independent: 21, independent conditional: 0, independent unconditional: 21, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 27, independent: 21, independent conditional: 0, independent unconditional: 21, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 90, independent: 78, independent conditional: 0, independent unconditional: 78, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 147, independent: 18, independent conditional: 0, independent unconditional: 18, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 129, unknown conditional: 0, unknown unconditional: 129] , Statistics on independence cache: Total cache size (in pairs): 129, Positive cache size: 123, Positive conditional cache size: 0, Positive unconditional cache size: 123, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 0 - PositiveResult [Line: 698]: 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 3 procedures, 42 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, 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: 3, 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, 0.1s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 25 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-07-23 00:26:30,051 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 [2024-07-23 00:26:30,267 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