./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_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.2024-08-20_10-08-36.files/mutex-meet-ghost/13-privatized_41-traces-ex-7_unknown_1_pos.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da67795f 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_pos.i ./goblint.2024-08-20_10-08-36.files/mutex-meet-ghost/13-privatized_41-traces-ex-7_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.dk.goblint-eval-da67795-m [2024-08-26 19:13:45,729 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-26 19:13:45,798 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-26 19:13:45,804 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-26 19:13:45,804 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-26 19:13:45,830 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-26 19:13:45,830 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-26 19:13:45,831 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-26 19:13:45,831 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-26 19:13:45,831 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-26 19:13:45,832 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-26 19:13:45,833 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-26 19:13:45,834 INFO L153 SettingsManager]: * Use SBE=true [2024-08-26 19:13:45,835 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-26 19:13:45,836 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-26 19:13:45,836 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-26 19:13:45,836 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-26 19:13:45,836 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-26 19:13:45,837 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-26 19:13:45,837 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-26 19:13:45,837 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-26 19:13:45,838 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-26 19:13:45,838 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-26 19:13:45,838 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-26 19:13:45,838 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-26 19:13:45,839 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-26 19:13:45,839 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-26 19:13:45,839 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-26 19:13:45,839 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-26 19:13:45,840 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-26 19:13:45,840 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-26 19:13:45,840 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-26 19:13:45,840 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-26 19:13:45,841 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-26 19:13:45,841 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-26 19:13:45,841 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-26 19:13:45,841 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-26 19:13:45,842 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-26 19:13:45,842 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-26 19:13:45,842 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-26 19:13:45,842 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-26 19:13:45,845 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-26 19:13:45,849 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-08-26 19:13:46,030 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-26 19:13:46,045 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-26 19:13:46,047 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-26 19:13:46,048 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-26 19:13:46,048 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-26 19:13:46,049 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-20_10-08-36.files/mutex-meet-ghost/13-privatized_41-traces-ex-7_unknown_1_pos.yml/witness.yml [2024-08-26 19:13:46,141 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-26 19:13:46,141 INFO L274 PluginConnector]: CDTParser initialized [2024-08-26 19:13:46,141 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_pos.i [2024-08-26 19:13:47,428 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-26 19:13:47,642 INFO L384 CDTParser]: Found 1 translation units. [2024-08-26 19:13:47,643 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_pos.i [2024-08-26 19:13:47,652 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/db1f28b2f/35cbe4e56c3a44f88572b4492df954ab/FLAGee0793687 [2024-08-26 19:13:48,001 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/db1f28b2f/35cbe4e56c3a44f88572b4492df954ab [2024-08-26 19:13:48,002 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-26 19:13:48,003 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-26 19:13:48,005 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-26 19:13:48,005 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-26 19:13:48,009 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-26 19:13:48,009 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 26.08 07:13:46" (1/2) ... [2024-08-26 19:13:48,010 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c65c207 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 07:13:48, skipping insertion in model container [2024-08-26 19:13:48,010 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 26.08 07:13:46" (1/2) ... [2024-08-26 19:13:48,011 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7074ccf2 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 07:13:48, skipping insertion in model container [2024-08-26 19:13:48,012 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 07:13:48" (2/2) ... [2024-08-26 19:13:48,012 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c65c207 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:13:48, skipping insertion in model container [2024-08-26 19:13:48,012 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 07:13:48" (2/2) ... [2024-08-26 19:13:48,013 INFO L85 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-08-26 19:13:48,038 INFO L99 nessWitnessExtractor]: Found the following entries in the witness: [2024-08-26 19:13:48,039 INFO L1541 ArrayList]: Location invariant before [L695-L695] ((! multithreaded || (g == 0 || g == 17)) && (! multithreaded || (A_locked || (g == 0 || g == 17)))) && (! multithreaded || (D_locked || (g == 0 || g == 17))) [2024-08-26 19:13:48,039 INFO L1541 ArrayList]: ghost_variable D_locked = 0 [2024-08-26 19:13:48,039 INFO L1541 ArrayList]: ghost_variable A_locked = 0 [2024-08-26 19:13:48,040 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-08-26 19:13:48,040 INFO L1541 ArrayList]: ghost_update [L694-L694] multithreaded = 1; [2024-08-26 19:13:48,040 INFO L1541 ArrayList]: ghost_update [L685-L685] D_locked = 1; [2024-08-26 19:13:48,040 INFO L1541 ArrayList]: ghost_update [L686-L686] A_locked = 1; [2024-08-26 19:13:48,040 INFO L1541 ArrayList]: ghost_update [L695-L695] D_locked = 1; [2024-08-26 19:13:48,041 INFO L1541 ArrayList]: ghost_update [L697-L697] D_locked = 0; [2024-08-26 19:13:48,041 INFO L1541 ArrayList]: ghost_update [L688-L688] A_locked = 0; [2024-08-26 19:13:48,041 INFO L1541 ArrayList]: ghost_update [L696-L696] A_locked = 1; [2024-08-26 19:13:48,041 INFO L1541 ArrayList]: ghost_update [L689-L689] D_locked = 0; [2024-08-26 19:13:48,077 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-26 19:13:48,365 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-26 19:13:48,376 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 [2024-08-26 19:13:48,444 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-26 19:13:48,477 INFO L206 MainTranslator]: Completed translation [2024-08-26 19:13:48,477 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:13:48 WrapperNode [2024-08-26 19:13:48,478 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-26 19:13:48,479 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-26 19:13:48,479 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-26 19:13:48,479 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-26 19:13:48,484 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:13:48" (1/1) ... [2024-08-26 19:13:48,496 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:13:48" (1/1) ... [2024-08-26 19:13:48,514 INFO L138 Inliner]: procedures = 162, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 59 [2024-08-26 19:13:48,514 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-26 19:13:48,515 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-26 19:13:48,516 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-26 19:13:48,516 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-26 19:13:48,523 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:13:48" (1/1) ... [2024-08-26 19:13:48,523 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:13:48" (1/1) ... [2024-08-26 19:13:48,526 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:13:48" (1/1) ... [2024-08-26 19:13:48,530 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:13:48" (1/1) ... [2024-08-26 19:13:48,533 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:13:48" (1/1) ... [2024-08-26 19:13:48,534 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:13:48" (1/1) ... [2024-08-26 19:13:48,539 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:13:48" (1/1) ... [2024-08-26 19:13:48,540 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:13:48" (1/1) ... [2024-08-26 19:13:48,541 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-26 19:13:48,542 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-26 19:13:48,542 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-26 19:13:48,542 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-26 19:13:48,543 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:13:48" (1/1) ... [2024-08-26 19:13:48,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-26 19:13:48,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-26 19:13:48,569 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) [2024-08-26 19:13:48,573 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 [2024-08-26 19:13:48,616 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-08-26 19:13:48,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-26 19:13:48,616 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-08-26 19:13:48,616 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-08-26 19:13:48,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-26 19:13:48,616 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-08-26 19:13:48,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-26 19:13:48,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-26 19:13:48,618 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-08-26 19:13:48,709 INFO L242 CfgBuilder]: Building ICFG [2024-08-26 19:13:48,710 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-26 19:13:48,824 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-08-26 19:13:48,824 INFO L291 CfgBuilder]: Performing block encoding [2024-08-26 19:13:48,993 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-26 19:13:48,994 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-26 19:13:48,994 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 07:13:48 BoogieIcfgContainer [2024-08-26 19:13:48,994 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-26 19:13:48,997 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-26 19:13:48,998 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-26 19:13:49,000 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-26 19:13:49,000 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 26.08 07:13:46" (1/4) ... [2024-08-26 19:13:49,001 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67ec0a67 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 26.08 07:13:49, skipping insertion in model container [2024-08-26 19:13:49,001 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 07:13:48" (2/4) ... [2024-08-26 19:13:49,001 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67ec0a67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 07:13:49, skipping insertion in model container [2024-08-26 19:13:49,001 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 07:13:48" (3/4) ... [2024-08-26 19:13:49,001 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67ec0a67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 07:13:49, skipping insertion in model container [2024-08-26 19:13:49,002 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 07:13:48" (4/4) ... [2024-08-26 19:13:49,002 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_41-traces-ex-7_unknown_1_pos.i [2024-08-26 19:13:49,014 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-26 19:13:49,015 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-08-26 19:13:49,015 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-26 19:13:49,037 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-08-26 19:13:49,069 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-26 19:13:49,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-26 19:13:49,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-26 19:13:49,071 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) [2024-08-26 19:13:49,073 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 [2024-08-26 19:13:49,100 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-26 19:13:49,116 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-26 19:13:49,121 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;@2127216b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-26 19:13:49,121 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-08-26 19:13:49,236 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-26 19:13:49,240 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-26 19:13:49,240 INFO L85 PathProgramCache]: Analyzing trace with hash 2130439541, now seen corresponding path program 1 times [2024-08-26 19:13:49,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-26 19:13:49,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778869803] [2024-08-26 19:13:49,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 19:13:49,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-26 19:13:49,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 19:13:49,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-26 19:13:49,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-26 19:13:49,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778869803] [2024-08-26 19:13:49,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778869803] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-26 19:13:49,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-26 19:13:49,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-08-26 19:13:49,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665001499] [2024-08-26 19:13:49,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-26 19:13:49,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-26 19:13:49,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-26 19:13:49,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-26 19:13:49,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-26 19:13:49,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-26 19:13:49,583 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-26 19:13:49,584 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) [2024-08-26 19:13:49,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-26 19:13:49,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-26 19:13:49,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-26 19:13:49,618 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-26 19:13:49,619 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-26 19:13:49,619 INFO L85 PathProgramCache]: Analyzing trace with hash 220617467, now seen corresponding path program 1 times [2024-08-26 19:13:49,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-26 19:13:49,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740798569] [2024-08-26 19:13:49,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 19:13:49,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-26 19:13:49,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 19:13:49,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-26 19:13:49,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-26 19:13:49,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740798569] [2024-08-26 19:13:49,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740798569] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-26 19:13:49,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-26 19:13:49,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-08-26 19:13:49,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121236065] [2024-08-26 19:13:49,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-26 19:13:49,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-26 19:13:49,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-26 19:13:49,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-26 19:13:49,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-26 19:13:49,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-26 19:13:49,682 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-26 19:13:49,683 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) [2024-08-26 19:13:49,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-26 19:13:49,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-26 19:13:49,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-26 19:13:49,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-26 19:13:49,721 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 2 remaining) [2024-08-26 19:13:49,722 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-08-26 19:13:49,722 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-08-26 19:13:49,729 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-08-26 19:13:49,731 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-08-26 19:13:49,732 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-08-26 19:13:49,737 INFO L507 ceAbstractionStarter]: Automizer considered 1 witness invariants [2024-08-26 19:13:49,738 INFO L508 ceAbstractionStarter]: WitnessConsidered=1 [2024-08-26 19:13:49,738 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 07:13:49 BasicIcfg [2024-08-26 19:13:49,738 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-26 19:13:49,739 INFO L158 Benchmark]: Toolchain (without parser) took 1735.96ms. Allocated memory was 167.8MB in the beginning and 239.1MB in the end (delta: 71.3MB). Free memory was 91.0MB in the beginning and 173.8MB in the end (delta: -82.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-26 19:13:49,743 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 167.8MB. Free memory is still 122.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-26 19:13:49,743 INFO L158 Benchmark]: CDTParser took 0.07ms. Allocated memory is still 167.8MB. Free memory is still 138.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-26 19:13:49,744 INFO L158 Benchmark]: CACSL2BoogieTranslator took 473.46ms. Allocated memory is still 167.8MB. Free memory was 90.8MB in the beginning and 125.0MB in the end (delta: -34.2MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2024-08-26 19:13:49,744 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.80ms. Allocated memory is still 167.8MB. Free memory was 125.0MB in the beginning and 122.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-26 19:13:49,744 INFO L158 Benchmark]: Boogie Preprocessor took 26.12ms. Allocated memory is still 167.8MB. Free memory was 122.9MB in the beginning and 121.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-26 19:13:49,744 INFO L158 Benchmark]: RCFGBuilder took 452.13ms. Allocated memory is still 167.8MB. Free memory was 121.8MB in the beginning and 94.6MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-08-26 19:13:49,745 INFO L158 Benchmark]: TraceAbstraction took 741.87ms. Allocated memory was 167.8MB in the beginning and 239.1MB in the end (delta: 71.3MB). Free memory was 93.5MB in the beginning and 173.8MB in the end (delta: -80.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-26 19:13:49,750 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.15ms. Allocated memory is still 167.8MB. Free memory is still 122.4MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.07ms. Allocated memory is still 167.8MB. Free memory is still 138.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 473.46ms. Allocated memory is still 167.8MB. Free memory was 90.8MB in the beginning and 125.0MB in the end (delta: -34.2MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.80ms. Allocated memory is still 167.8MB. Free memory was 125.0MB in the beginning and 122.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.12ms. Allocated memory is still 167.8MB. Free memory was 122.9MB in the beginning and 121.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 452.13ms. Allocated memory is still 167.8MB. Free memory was 121.8MB in the beginning and 94.6MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 741.87ms. Allocated memory was 167.8MB in the beginning and 239.1MB in the end (delta: 71.3MB). Free memory was 93.5MB in the beginning and 173.8MB in the end (delta: -80.3MB). There was no memory consumed. 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: 108, independent: 93, independent conditional: 0, independent unconditional: 93, dependent: 15, dependent conditional: 0, dependent unconditional: 15, 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: 108, independent: 93, independent conditional: 0, independent unconditional: 93, dependent: 15, dependent conditional: 0, dependent unconditional: 15, 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: 0.6s, 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! [2024-08-26 19:13:49,776 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 [2024-08-26 19:13:49,980 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE