./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_42-traces-ex-mini_true.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-08-20_10-08-36.files/mutex-meet-ghost/13-privatized_42-traces-ex-mini_true.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_42-traces-ex-mini_true.i ./goblint.2024-08-20_10-08-36.files/mutex-meet-ghost/13-privatized_42-traces-ex-mini_true.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 --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.goblint-eval-da67795-m [2024-08-27 03:54:10,526 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-27 03:54:10,594 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-27 03:54:10,600 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-27 03:54:10,602 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-27 03:54:10,644 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-27 03:54:10,645 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-27 03:54:10,646 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-27 03:54:10,647 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-27 03:54:10,648 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-27 03:54:10,648 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-27 03:54:10,648 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-27 03:54:10,649 INFO L153 SettingsManager]: * Use SBE=true [2024-08-27 03:54:10,650 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-27 03:54:10,651 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-27 03:54:10,651 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-27 03:54:10,651 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-27 03:54:10,651 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-27 03:54:10,652 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-27 03:54:10,652 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-27 03:54:10,652 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-27 03:54:10,656 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-27 03:54:10,656 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-27 03:54:10,656 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-27 03:54:10,656 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-27 03:54:10,657 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-27 03:54:10,657 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-27 03:54:10,657 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-27 03:54:10,658 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-27 03:54:10,659 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-27 03:54:10,659 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-27 03:54:10,659 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-27 03:54:10,660 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-27 03:54:10,660 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-27 03:54:10,661 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-27 03:54:10,661 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-27 03:54:10,661 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-27 03:54:10,661 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-27 03:54:10,661 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-27 03:54:10,662 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-27 03:54:10,662 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-27 03:54:10,663 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-27 03:54:10,663 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-08-27 03:54:10,941 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-27 03:54:10,960 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-27 03:54:10,962 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-27 03:54:10,964 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-27 03:54:10,965 INFO L274 PluginConnector]: CDTParser initialized [2024-08-27 03:54:10,966 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_42-traces-ex-mini_true.i [2024-08-27 03:54:12,358 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-27 03:54:12,623 INFO L384 CDTParser]: Found 1 translation units. [2024-08-27 03:54:12,624 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_42-traces-ex-mini_true.i [2024-08-27 03:54:12,637 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/7feebc06a/1cca5a14d2ec46c69a341ec9978c3e77/FLAG0d7a580da [2024-08-27 03:54:12,648 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/7feebc06a/1cca5a14d2ec46c69a341ec9978c3e77 [2024-08-27 03:54:12,650 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-27 03:54:12,651 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-27 03:54:12,651 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-20_10-08-36.files/mutex-meet-ghost/13-privatized_42-traces-ex-mini_true.yml/witness.yml [2024-08-27 03:54:12,709 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-27 03:54:12,712 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-27 03:54:12,713 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-27 03:54:12,713 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-27 03:54:12,719 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-27 03:54:12,719 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 03:54:12" (1/2) ... [2024-08-27 03:54:12,720 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b1632f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:54:12, skipping insertion in model container [2024-08-27 03:54:12,720 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 03:54:12" (1/2) ... [2024-08-27 03:54:12,722 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4fcd9e86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:54:12, skipping insertion in model container [2024-08-27 03:54:12,722 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.08 03:54:12" (2/2) ... [2024-08-27 03:54:12,723 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b1632f2 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.08 03:54:12, skipping insertion in model container [2024-08-27 03:54:12,723 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.08 03:54:12" (2/2) ... [2024-08-27 03:54:12,723 INFO L85 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-08-27 03:54:12,757 INFO L99 nessWitnessExtractor]: Found the following entries in the witness: [2024-08-27 03:54:12,758 INFO L1541 ArrayList]: Location invariant before [L697-L697] (! multithreaded || (g == 17 || g == 42)) && (! multithreaded || (C_locked || g == 17)) [2024-08-27 03:54:12,758 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-08-27 03:54:12,759 INFO L1541 ArrayList]: ghost_variable A_locked = 0 [2024-08-27 03:54:12,759 INFO L1541 ArrayList]: ghost_variable C_locked = 0 [2024-08-27 03:54:12,759 INFO L1541 ArrayList]: ghost_variable B_locked = 0 [2024-08-27 03:54:12,760 INFO L1541 ArrayList]: ghost_update [L699-L699] C_locked = 1; [2024-08-27 03:54:12,760 INFO L1541 ArrayList]: ghost_update [L701-L701] A_locked = 0; [2024-08-27 03:54:12,760 INFO L1541 ArrayList]: ghost_update [L689-L689] B_locked = 0; [2024-08-27 03:54:12,760 INFO L1541 ArrayList]: ghost_update [L686-L686] B_locked = 1; [2024-08-27 03:54:12,760 INFO L1541 ArrayList]: ghost_update [L696-L696] multithreaded = 1; [2024-08-27 03:54:12,760 INFO L1541 ArrayList]: ghost_update [L698-L698] B_locked = 1; [2024-08-27 03:54:12,760 INFO L1541 ArrayList]: ghost_update [L697-L697] A_locked = 1; [2024-08-27 03:54:12,760 INFO L1541 ArrayList]: ghost_update [L687-L687] C_locked = 1; [2024-08-27 03:54:12,760 INFO L1541 ArrayList]: ghost_update [L691-L691] C_locked = 0; [2024-08-27 03:54:12,760 INFO L1541 ArrayList]: ghost_update [L702-L702] B_locked = 0; [2024-08-27 03:54:12,760 INFO L1541 ArrayList]: ghost_update [L703-L703] C_locked = 0; [2024-08-27 03:54:12,798 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-27 03:54:12,959 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_42-traces-ex-mini_true.i[1091,1104] [2024-08-27 03:54:13,092 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-27 03:54:13,108 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-08-27 03:54:13,145 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_42-traces-ex-mini_true.i[1091,1104] 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 [2024-08-27 03:54:13,197 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-27 03:54:13,240 INFO L206 MainTranslator]: Completed translation [2024-08-27 03:54:13,241 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.08 03:54:13 WrapperNode [2024-08-27 03:54:13,241 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-27 03:54:13,242 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-27 03:54:13,242 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-27 03:54:13,243 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-27 03:54:13,250 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 27.08 03:54:13" (1/1) ... [2024-08-27 03:54:13,267 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 27.08 03:54:13" (1/1) ... [2024-08-27 03:54:13,290 INFO L138 Inliner]: procedures = 162, calls = 36, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 77 [2024-08-27 03:54:13,290 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-27 03:54:13,291 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-27 03:54:13,292 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-27 03:54:13,293 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-27 03:54:13,300 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.08 03:54:13" (1/1) ... [2024-08-27 03:54:13,300 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.08 03:54:13" (1/1) ... [2024-08-27 03:54:13,303 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.08 03:54:13" (1/1) ... [2024-08-27 03:54:13,306 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.08 03:54:13" (1/1) ... [2024-08-27 03:54:13,314 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.08 03:54:13" (1/1) ... [2024-08-27 03:54:13,316 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.08 03:54:13" (1/1) ... [2024-08-27 03:54:13,317 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.08 03:54:13" (1/1) ... [2024-08-27 03:54:13,318 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.08 03:54:13" (1/1) ... [2024-08-27 03:54:13,320 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-27 03:54:13,321 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-27 03:54:13,321 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-27 03:54:13,321 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-27 03:54:13,325 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.08 03:54:13" (1/1) ... [2024-08-27 03:54:13,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-27 03:54:13,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 03:54:13,357 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) [2024-08-27 03:54:13,359 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 [2024-08-27 03:54:13,412 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-08-27 03:54:13,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-27 03:54:13,416 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-08-27 03:54:13,416 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-08-27 03:54:13,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-27 03:54:13,416 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-08-27 03:54:13,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-27 03:54:13,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-27 03:54:13,418 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-08-27 03:54:13,549 INFO L242 CfgBuilder]: Building ICFG [2024-08-27 03:54:13,551 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-27 03:54:13,733 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-08-27 03:54:13,733 INFO L291 CfgBuilder]: Performing block encoding [2024-08-27 03:54:13,887 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-27 03:54:13,887 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-27 03:54:13,888 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 03:54:13 BoogieIcfgContainer [2024-08-27 03:54:13,888 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-27 03:54:13,890 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-27 03:54:13,890 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-27 03:54:13,893 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-27 03:54:13,893 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.08 03:54:12" (1/4) ... [2024-08-27 03:54:13,894 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@171edf3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 03:54:13, skipping insertion in model container [2024-08-27 03:54:13,894 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.08 03:54:12" (2/4) ... [2024-08-27 03:54:13,894 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@171edf3b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.08 03:54:13, skipping insertion in model container [2024-08-27 03:54:13,895 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.08 03:54:13" (3/4) ... [2024-08-27 03:54:13,895 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@171edf3b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.08 03:54:13, skipping insertion in model container [2024-08-27 03:54:13,896 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 03:54:13" (4/4) ... [2024-08-27 03:54:13,898 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_42-traces-ex-mini_true.i [2024-08-27 03:54:13,915 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-27 03:54:13,916 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-08-27 03:54:13,916 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-27 03:54:13,947 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-08-27 03:54:13,987 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-27 03:54:13,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-27 03:54:13,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 03:54:13,990 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) [2024-08-27 03:54:13,991 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 [2024-08-27 03:54:14,030 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-27 03:54:14,044 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-27 03:54:14,052 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;@38c709d6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-27 03:54:14,055 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-08-27 03:54:14,165 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-27 03:54:14,170 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 03:54:14,170 INFO L85 PathProgramCache]: Analyzing trace with hash -994927894, now seen corresponding path program 1 times [2024-08-27 03:54:14,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 03:54:14,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936395622] [2024-08-27 03:54:14,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 03:54:14,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 03:54:14,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 03:54:14,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 03:54:14,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 03:54:14,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936395622] [2024-08-27 03:54:14,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936395622] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 03:54:14,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 03:54:14,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-08-27 03:54:14,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735593058] [2024-08-27 03:54:14,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 03:54:14,480 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-27 03:54:14,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 03:54:14,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-27 03:54:14,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-27 03:54:14,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 03:54:14,512 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 03:54:14,513 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) [2024-08-27 03:54:14,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 03:54:14,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 03:54:14,568 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-27 03:54:14,568 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-27 03:54:14,570 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 03:54:14,570 INFO L85 PathProgramCache]: Analyzing trace with hash 176757900, now seen corresponding path program 1 times [2024-08-27 03:54:14,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 03:54:14,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490803411] [2024-08-27 03:54:14,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 03:54:14,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 03:54:14,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 03:54:14,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 03:54:14,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 03:54:14,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490803411] [2024-08-27 03:54:14,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490803411] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 03:54:14,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 03:54:14,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-27 03:54:14,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560552726] [2024-08-27 03:54:14,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 03:54:14,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-27 03:54:14,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 03:54:14,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-27 03:54:14,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-08-27 03:54:14,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 03:54:14,868 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 03:54:14,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-27 03:54:14,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 03:54:14,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 03:54:15,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 03:54:15,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 03:54:15,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-08-27 03:54:15,017 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-27 03:54:15,018 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 03:54:15,019 INFO L85 PathProgramCache]: Analyzing trace with hash 108381589, now seen corresponding path program 1 times [2024-08-27 03:54:15,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 03:54:15,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670294716] [2024-08-27 03:54:15,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 03:54:15,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 03:54:15,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 03:54:15,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 03:54:15,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 03:54:15,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670294716] [2024-08-27 03:54:15,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670294716] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 03:54:15,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 03:54:15,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-27 03:54:15,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728630554] [2024-08-27 03:54:15,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 03:54:15,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-27 03:54:15,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 03:54:15,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-27 03:54:15,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-08-27 03:54:15,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 03:54:15,137 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 03:54:15,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 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) [2024-08-27 03:54:15,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 03:54:15,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 03:54:15,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 03:54:15,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 03:54:15,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 03:54:15,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 03:54:15,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-08-27 03:54:15,271 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-27 03:54:15,271 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 03:54:15,273 INFO L85 PathProgramCache]: Analyzing trace with hash 1783778602, now seen corresponding path program 2 times [2024-08-27 03:54:15,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 03:54:15,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431443157] [2024-08-27 03:54:15,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 03:54:15,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 03:54:15,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 03:54:15,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 03:54:15,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 03:54:15,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431443157] [2024-08-27 03:54:15,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431443157] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 03:54:15,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 03:54:15,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-08-27 03:54:15,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055649632] [2024-08-27 03:54:15,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 03:54:15,524 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-08-27 03:54:15,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 03:54:15,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-08-27 03:54:15,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-08-27 03:54:15,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 03:54:15,526 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 03:54:15,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-27 03:54:15,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 03:54:15,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 03:54:15,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 03:54:15,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 03:54:15,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 03:54:15,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 03:54:15,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 03:54:15,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 03:54:15,748 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 3 remaining) [2024-08-27 03:54:15,748 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2024-08-27 03:54:15,748 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-08-27 03:54:15,748 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-08-27 03:54:15,757 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1] [2024-08-27 03:54:15,760 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-08-27 03:54:15,760 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-08-27 03:54:15,763 INFO L507 ceAbstractionStarter]: Automizer considered 1 witness invariants [2024-08-27 03:54:15,764 INFO L508 ceAbstractionStarter]: WitnessConsidered=1 [2024-08-27 03:54:15,765 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.08 03:54:15 BasicIcfg [2024-08-27 03:54:15,765 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-27 03:54:15,766 INFO L158 Benchmark]: Toolchain (without parser) took 3053.40ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 141.4MB in the beginning and 161.6MB in the end (delta: -20.2MB). Peak memory consumption was 87.4MB. Max. memory is 16.1GB. [2024-08-27 03:54:15,767 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 176.2MB. Free memory was 140.5MB in the beginning and 140.3MB in the end (delta: 176.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-27 03:54:15,767 INFO L158 Benchmark]: Witness Parser took 0.10ms. Allocated memory is still 176.2MB. Free memory is still 144.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-27 03:54:15,768 INFO L158 Benchmark]: CACSL2BoogieTranslator took 528.37ms. Allocated memory is still 176.2MB. Free memory was 141.4MB in the beginning and 116.2MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-08-27 03:54:15,768 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.26ms. Allocated memory is still 176.2MB. Free memory was 116.2MB in the beginning and 114.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-27 03:54:15,768 INFO L158 Benchmark]: Boogie Preprocessor took 29.44ms. Allocated memory is still 176.2MB. Free memory was 114.0MB in the beginning and 112.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-27 03:54:15,769 INFO L158 Benchmark]: RCFGBuilder took 566.89ms. Allocated memory is still 176.2MB. Free memory was 111.9MB in the beginning and 115.7MB in the end (delta: -3.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-08-27 03:54:15,771 INFO L158 Benchmark]: TraceAbstraction took 1875.37ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 114.7MB in the beginning and 161.6MB in the end (delta: -46.9MB). Peak memory consumption was 63.1MB. Max. memory is 16.1GB. [2024-08-27 03:54:15,773 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 176.2MB. Free memory was 140.5MB in the beginning and 140.3MB in the end (delta: 176.3kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.10ms. Allocated memory is still 176.2MB. Free memory is still 144.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 528.37ms. Allocated memory is still 176.2MB. Free memory was 141.4MB in the beginning and 116.2MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.26ms. Allocated memory is still 176.2MB. Free memory was 116.2MB in the beginning and 114.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.44ms. Allocated memory is still 176.2MB. Free memory was 114.0MB in the beginning and 112.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 566.89ms. Allocated memory is still 176.2MB. Free memory was 111.9MB in the beginning and 115.7MB in the end (delta: -3.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1875.37ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 114.7MB in the beginning and 161.6MB in the end (delta: -46.9MB). Peak memory consumption was 63.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 408, independent: 352, independent conditional: 142, independent unconditional: 210, dependent: 56, dependent conditional: 30, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 388, independent: 352, independent conditional: 142, independent unconditional: 210, dependent: 36, dependent conditional: 10, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 388, independent: 352, independent conditional: 142, independent unconditional: 210, dependent: 36, dependent conditional: 10, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 419, independent: 352, independent conditional: 6, independent unconditional: 346, dependent: 67, dependent conditional: 25, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 419, independent: 352, independent conditional: 6, independent unconditional: 346, dependent: 67, dependent conditional: 6, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 419, independent: 352, independent conditional: 6, independent unconditional: 346, dependent: 67, dependent conditional: 6, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 248, independent: 216, independent conditional: 4, independent unconditional: 212, dependent: 32, dependent conditional: 5, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 248, independent: 192, independent conditional: 0, independent unconditional: 192, dependent: 56, dependent conditional: 0, dependent unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 56, independent: 24, independent conditional: 4, independent unconditional: 20, dependent: 32, dependent conditional: 5, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 56, independent: 24, independent conditional: 4, independent unconditional: 20, dependent: 32, dependent conditional: 5, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 261, independent: 153, independent conditional: 25, independent unconditional: 128, dependent: 109, dependent conditional: 17, dependent unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 419, independent: 136, independent conditional: 2, independent unconditional: 134, dependent: 35, dependent conditional: 1, dependent unconditional: 34, unknown: 248, unknown conditional: 9, unknown unconditional: 239] , Statistics on independence cache: Total cache size (in pairs): 248, Positive cache size: 216, Positive conditional cache size: 4, Positive unconditional cache size: 212, Negative cache size: 32, Negative conditional cache size: 5, Negative unconditional cache size: 27, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 19, Maximal queried relation: 3, Independence queries for same thread: 20 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 90, Number of trivial persistent sets: 90, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 236, independent: 210, independent conditional: 0, independent unconditional: 210, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 408, independent: 352, independent conditional: 142, independent unconditional: 210, dependent: 56, dependent conditional: 30, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 388, independent: 352, independent conditional: 142, independent unconditional: 210, dependent: 36, dependent conditional: 10, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 388, independent: 352, independent conditional: 142, independent unconditional: 210, dependent: 36, dependent conditional: 10, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 419, independent: 352, independent conditional: 6, independent unconditional: 346, dependent: 67, dependent conditional: 25, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 419, independent: 352, independent conditional: 6, independent unconditional: 346, dependent: 67, dependent conditional: 6, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 419, independent: 352, independent conditional: 6, independent unconditional: 346, dependent: 67, dependent conditional: 6, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 248, independent: 216, independent conditional: 4, independent unconditional: 212, dependent: 32, dependent conditional: 5, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 248, independent: 192, independent conditional: 0, independent unconditional: 192, dependent: 56, dependent conditional: 0, dependent unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 56, independent: 24, independent conditional: 4, independent unconditional: 20, dependent: 32, dependent conditional: 5, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 56, independent: 24, independent conditional: 4, independent unconditional: 20, dependent: 32, dependent conditional: 5, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 261, independent: 153, independent conditional: 25, independent unconditional: 128, dependent: 109, dependent conditional: 17, dependent unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 419, independent: 136, independent conditional: 2, independent unconditional: 134, dependent: 35, dependent conditional: 1, dependent unconditional: 34, unknown: 248, unknown conditional: 9, unknown unconditional: 239] , Statistics on independence cache: Total cache size (in pairs): 248, Positive cache size: 216, Positive conditional cache size: 4, Positive unconditional cache size: 212, Negative cache size: 32, Negative conditional cache size: 5, Negative unconditional cache size: 27, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 19, Maximal queried relation: 3, Independence queries for same thread: 20 - PositiveResult [Line: 697]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 44 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.7s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 69 NumberOfCodeBlocks, 69 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 65 ConstructedInterpolants, 0 QuantifiedInterpolants, 283 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-08-27 03:54:15,806 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 [2024-08-27 03:54:16,004 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