./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/13-privatized_41-traces-ex-7_unknown_1_neg.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c091e2ee Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i ./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/13-privatized_41-traces-ex-7_unknown_1_neg.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-c091e2e-m [2024-08-13 20:22:54,995 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-13 20:22:55,086 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-13 20:22:55,091 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-13 20:22:55,091 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-13 20:22:55,110 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-13 20:22:55,111 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-13 20:22:55,111 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-13 20:22:55,111 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-13 20:22:55,112 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-13 20:22:55,112 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-13 20:22:55,113 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-13 20:22:55,113 INFO L153 SettingsManager]: * Use SBE=true [2024-08-13 20:22:55,113 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-13 20:22:55,114 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-13 20:22:55,114 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-13 20:22:55,114 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-13 20:22:55,115 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-13 20:22:55,115 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-13 20:22:55,115 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-13 20:22:55,115 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-13 20:22:55,121 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-13 20:22:55,121 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-13 20:22:55,121 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-13 20:22:55,121 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-13 20:22:55,122 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-13 20:22:55,122 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-13 20:22:55,122 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-13 20:22:55,122 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-13 20:22:55,122 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-13 20:22:55,123 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-13 20:22:55,123 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-13 20:22:55,123 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-13 20:22:55,123 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-13 20:22:55,124 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-13 20:22:55,124 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-13 20:22:55,125 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-13 20:22:55,125 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-13 20:22:55,125 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-13 20:22:55,125 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-13 20:22:55,126 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-13 20:22:55,126 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-13 20:22:55,126 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-08-13 20:22:55,353 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-13 20:22:55,379 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-13 20:22:55,382 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-13 20:22:55,384 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-13 20:22:55,384 INFO L274 PluginConnector]: CDTParser initialized [2024-08-13 20:22:55,385 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i [2024-08-13 20:22:56,957 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-13 20:22:57,200 INFO L384 CDTParser]: Found 1 translation units. [2024-08-13 20:22:57,201 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i [2024-08-13 20:22:57,218 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/8741ffcf0/d9652948fe9d45e89262a48f73fd3c2b/FLAGc73fbe83d [2024-08-13 20:22:57,230 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/8741ffcf0/d9652948fe9d45e89262a48f73fd3c2b [2024-08-13 20:22:57,232 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-13 20:22:57,233 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-13 20:22:57,233 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/13-privatized_41-traces-ex-7_unknown_1_neg.yml/witness.yml [2024-08-13 20:22:57,331 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-13 20:22:57,332 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-13 20:22:57,334 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-13 20:22:57,334 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-13 20:22:57,340 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-13 20:22:57,343 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 08:22:57" (1/2) ... [2024-08-13 20:22:57,344 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@361a5422 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 08:22:57, skipping insertion in model container [2024-08-13 20:22:57,345 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 08:22:57" (1/2) ... [2024-08-13 20:22:57,346 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@641a836 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 08:22:57, skipping insertion in model container [2024-08-13 20:22:57,346 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.08 08:22:57" (2/2) ... [2024-08-13 20:22:57,347 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@361a5422 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 08:22:57, skipping insertion in model container [2024-08-13 20:22:57,347 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.08 08:22:57" (2/2) ... [2024-08-13 20:22:57,347 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-08-13 20:22:57,386 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-13 20:22:57,387 INFO L97 edCorrectnessWitness]: Location invariant before [L695-L695] ((! multithreaded || (g == 0 || g == 17)) && (! multithreaded || (A_locked || (g == 0 || g == 17)))) && (! multithreaded || (D_locked || (g == 0 || g == 17))) [2024-08-13 20:22:57,388 INFO L103 edCorrectnessWitness]: ghost_variable D_locked = 0 [2024-08-13 20:22:57,388 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-08-13 20:22:57,388 INFO L103 edCorrectnessWitness]: ghost_variable A_locked = 0 [2024-08-13 20:22:57,388 INFO L106 edCorrectnessWitness]: ghost_update [L695-L695] D_locked = 1; [2024-08-13 20:22:57,388 INFO L106 edCorrectnessWitness]: ghost_update [L694-L694] multithreaded = 1; [2024-08-13 20:22:57,388 INFO L106 edCorrectnessWitness]: ghost_update [L696-L696] A_locked = 1; [2024-08-13 20:22:57,389 INFO L106 edCorrectnessWitness]: ghost_update [L689-L689] D_locked = 0; [2024-08-13 20:22:57,389 INFO L106 edCorrectnessWitness]: ghost_update [L688-L688] A_locked = 0; [2024-08-13 20:22:57,389 INFO L106 edCorrectnessWitness]: ghost_update [L686-L686] A_locked = 1; [2024-08-13 20:22:57,389 INFO L106 edCorrectnessWitness]: ghost_update [L685-L685] D_locked = 1; [2024-08-13 20:22:57,389 INFO L106 edCorrectnessWitness]: ghost_update [L697-L697] D_locked = 0; [2024-08-13 20:22:57,432 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-13 20:22:57,773 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-13 20:22:57,787 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 [2024-08-13 20:22:57,878 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-13 20:22:57,920 INFO L206 MainTranslator]: Completed translation [2024-08-13 20:22:57,921 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 08:22:57 WrapperNode [2024-08-13 20:22:57,921 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-13 20:22:57,923 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-13 20:22:57,923 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-13 20:22:57,923 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-13 20:22:57,931 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 13.08 08:22:57" (1/1) ... [2024-08-13 20:22:57,950 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 13.08 08:22:57" (1/1) ... [2024-08-13 20:22:57,976 INFO L138 Inliner]: procedures = 162, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 58 [2024-08-13 20:22:57,978 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-13 20:22:57,979 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-13 20:22:57,979 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-13 20:22:57,980 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-13 20:22:57,988 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 08:22:57" (1/1) ... [2024-08-13 20:22:57,988 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 08:22:57" (1/1) ... [2024-08-13 20:22:57,993 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 08:22:57" (1/1) ... [2024-08-13 20:22:57,993 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 08:22:57" (1/1) ... [2024-08-13 20:22:58,001 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 08:22:57" (1/1) ... [2024-08-13 20:22:58,008 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 08:22:57" (1/1) ... [2024-08-13 20:22:58,013 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 08:22:57" (1/1) ... [2024-08-13 20:22:58,014 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 08:22:57" (1/1) ... [2024-08-13 20:22:58,016 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-13 20:22:58,017 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-13 20:22:58,017 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-13 20:22:58,017 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-13 20:22:58,018 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 08:22:57" (1/1) ... [2024-08-13 20:22:58,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-13 20:22:58,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 20:22:58,050 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) [2024-08-13 20:22:58,056 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 [2024-08-13 20:22:58,090 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-08-13 20:22:58,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-13 20:22:58,090 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-08-13 20:22:58,090 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-08-13 20:22:58,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-13 20:22:58,091 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-08-13 20:22:58,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-13 20:22:58,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-13 20:22:58,093 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-08-13 20:22:58,216 INFO L244 CfgBuilder]: Building ICFG [2024-08-13 20:22:58,217 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-13 20:22:58,374 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-08-13 20:22:58,377 INFO L293 CfgBuilder]: Performing block encoding [2024-08-13 20:22:58,555 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-13 20:22:58,556 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-13 20:22:58,557 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 08:22:58 BoogieIcfgContainer [2024-08-13 20:22:58,557 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-13 20:22:58,561 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-13 20:22:58,561 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-13 20:22:58,565 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-13 20:22:58,565 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.08 08:22:57" (1/4) ... [2024-08-13 20:22:58,567 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68a54ad8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.08 08:22:58, skipping insertion in model container [2024-08-13 20:22:58,567 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.08 08:22:57" (2/4) ... [2024-08-13 20:22:58,568 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68a54ad8 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 13.08 08:22:58, skipping insertion in model container [2024-08-13 20:22:58,568 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 08:22:57" (3/4) ... [2024-08-13 20:22:58,569 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68a54ad8 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 13.08 08:22:58, skipping insertion in model container [2024-08-13 20:22:58,569 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 08:22:58" (4/4) ... [2024-08-13 20:22:58,572 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_41-traces-ex-7_unknown_1_neg.i [2024-08-13 20:22:58,591 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-13 20:22:58,591 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-08-13 20:22:58,591 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-13 20:22:58,633 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-08-13 20:22:58,674 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-13 20:22:58,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-13 20:22:58,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 20:22:58,677 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) [2024-08-13 20:22:58,678 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 [2024-08-13 20:22:58,717 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-13 20:22:58,733 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-13 20:22:58,742 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;@71134d12, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-13 20:22:58,742 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-08-13 20:22:58,857 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-13 20:22:58,862 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 20:22:58,862 INFO L85 PathProgramCache]: Analyzing trace with hash -1026792748, now seen corresponding path program 1 times [2024-08-13 20:22:58,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-13 20:22:58,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799001201] [2024-08-13 20:22:58,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 20:22:58,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-13 20:22:58,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 20:22:59,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-13 20:22:59,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-13 20:22:59,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799001201] [2024-08-13 20:22:59,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799001201] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-13 20:22:59,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-13 20:22:59,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-08-13 20:22:59,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967339086] [2024-08-13 20:22:59,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-13 20:22:59,179 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-13 20:22:59,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-13 20:22:59,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-13 20:22:59,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-13 20:22:59,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 20:22:59,205 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 20:22:59,206 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) [2024-08-13 20:22:59,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 20:22:59,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-13 20:22:59,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-13 20:22:59,262 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-13 20:22:59,263 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 20:22:59,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1958255735, now seen corresponding path program 1 times [2024-08-13 20:22:59,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-13 20:22:59,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250844091] [2024-08-13 20:22:59,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 20:22:59,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-13 20:22:59,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 20:22:59,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-13 20:22:59,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-13 20:22:59,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250844091] [2024-08-13 20:22:59,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250844091] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-13 20:22:59,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-13 20:22:59,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-08-13 20:22:59,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141403599] [2024-08-13 20:22:59,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-13 20:22:59,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-13 20:22:59,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-13 20:22:59,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-13 20:22:59,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-13 20:22:59,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 20:22:59,349 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 20:22:59,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2024-08-13 20:22:59,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-13 20:22:59,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 20:22:59,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-13 20:22:59,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-13 20:22:59,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 2 remaining) [2024-08-13 20:22:59,400 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-08-13 20:22:59,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-08-13 20:22:59,411 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-08-13 20:22:59,414 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-08-13 20:22:59,415 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-08-13 20:22:59,418 INFO L507 ceAbstractionStarter]: Automizer considered 1 witness invariants [2024-08-13 20:22:59,418 INFO L508 ceAbstractionStarter]: WitnessConsidered=1 [2024-08-13 20:22:59,420 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.08 08:22:59 BasicIcfg [2024-08-13 20:22:59,420 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-13 20:22:59,421 INFO L158 Benchmark]: Toolchain (without parser) took 2088.38ms. Allocated memory was 174.1MB in the beginning and 241.2MB in the end (delta: 67.1MB). Free memory was 113.0MB in the beginning and 143.4MB in the end (delta: -30.3MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. [2024-08-13 20:22:59,421 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 174.1MB. Free memory is still 136.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-13 20:22:59,421 INFO L158 Benchmark]: Witness Parser took 0.10ms. Allocated memory is still 174.1MB. Free memory is still 116.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-13 20:22:59,423 INFO L158 Benchmark]: CACSL2BoogieTranslator took 588.24ms. Allocated memory is still 174.1MB. Free memory was 112.5MB in the beginning and 87.3MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-08-13 20:22:59,423 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.17ms. Allocated memory is still 174.1MB. Free memory was 87.3MB in the beginning and 85.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-13 20:22:59,423 INFO L158 Benchmark]: Boogie Preprocessor took 37.28ms. Allocated memory is still 174.1MB. Free memory was 85.1MB in the beginning and 84.2MB in the end (delta: 944.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-13 20:22:59,424 INFO L158 Benchmark]: RCFGBuilder took 540.25ms. Allocated memory was 174.1MB in the beginning and 241.2MB in the end (delta: 67.1MB). Free memory was 84.2MB in the beginning and 199.0MB in the end (delta: -114.8MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. [2024-08-13 20:22:59,427 INFO L158 Benchmark]: TraceAbstraction took 859.51ms. Allocated memory is still 241.2MB. Free memory was 197.9MB in the beginning and 143.4MB in the end (delta: 54.5MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2024-08-13 20:22:59,429 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 174.1MB. Free memory is still 136.2MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.10ms. Allocated memory is still 174.1MB. Free memory is still 116.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 588.24ms. Allocated memory is still 174.1MB. Free memory was 112.5MB in the beginning and 87.3MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.17ms. Allocated memory is still 174.1MB. Free memory was 87.3MB in the beginning and 85.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.28ms. Allocated memory is still 174.1MB. Free memory was 85.1MB in the beginning and 84.2MB in the end (delta: 944.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 540.25ms. Allocated memory was 174.1MB in the beginning and 241.2MB in the end (delta: 67.1MB). Free memory was 84.2MB in the beginning and 199.0MB in the end (delta: -114.8MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. * TraceAbstraction took 859.51ms. Allocated memory is still 241.2MB. Free memory was 197.9MB in the beginning and 143.4MB in the end (delta: 54.5MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 117, independent: 110, independent conditional: 27, independent unconditional: 83, dependent: 7, dependent conditional: 1, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 117, independent: 110, independent conditional: 27, independent unconditional: 83, dependent: 7, dependent conditional: 1, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 117, independent: 110, independent conditional: 27, independent unconditional: 83, dependent: 7, dependent conditional: 1, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 118, independent: 110, independent conditional: 0, independent unconditional: 110, dependent: 8, dependent conditional: 1, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 118, independent: 110, independent conditional: 0, independent unconditional: 110, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 118, independent: 110, independent conditional: 0, independent unconditional: 110, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 89, independent: 83, independent conditional: 0, independent unconditional: 83, 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: 89, independent: 62, independent conditional: 0, independent unconditional: 62, 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: 115, independent: 99, independent conditional: 0, independent unconditional: 99, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 118, independent: 27, independent conditional: 0, independent unconditional: 27, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 89, unknown conditional: 0, unknown unconditional: 89] , Statistics on independence cache: Total cache size (in pairs): 89, Positive cache size: 83, Positive conditional cache size: 0, Positive unconditional cache size: 83, 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: 1, Maximal queried relation: 1, 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: 89, independent: 83, independent conditional: 0, independent unconditional: 83, 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: 117, independent: 110, independent conditional: 27, independent unconditional: 83, dependent: 7, dependent conditional: 1, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 117, independent: 110, independent conditional: 27, independent unconditional: 83, dependent: 7, dependent conditional: 1, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 117, independent: 110, independent conditional: 27, independent unconditional: 83, dependent: 7, dependent conditional: 1, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 118, independent: 110, independent conditional: 0, independent unconditional: 110, dependent: 8, dependent conditional: 1, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 118, independent: 110, independent conditional: 0, independent unconditional: 110, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 118, independent: 110, independent conditional: 0, independent unconditional: 110, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 89, independent: 83, independent conditional: 0, independent unconditional: 83, 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: 89, independent: 62, independent conditional: 0, independent unconditional: 62, 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: 115, independent: 99, independent conditional: 0, independent unconditional: 99, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 118, independent: 27, independent conditional: 0, independent unconditional: 27, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 89, unknown conditional: 0, unknown unconditional: 89] , Statistics on independence cache: Total cache size (in pairs): 89, Positive cache size: 83, Positive conditional cache size: 0, Positive unconditional cache size: 83, 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: 1, Maximal queried relation: 1, Independence queries for same thread: 0 - PositiveResult [Line: 695]: 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, 34 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, 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: 6, 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, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 49 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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! [2024-08-13 20:22:59,464 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 [2024-08-13 20:22:59,663 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