./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_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.2024-05-21_14-57-05.files/protection/13-privatized_67-pthread_cond_wait_unknown_1_pos.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version bcb38a6f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_pos.i ./goblint.2024-05-21_14-57-05.files/protection/13-privatized_67-pthread_cond_wait_unknown_1_pos.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-bcb38a6-m [2024-06-04 15:49:17,188 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-04 15:49:17,299 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-04 15:49:17,302 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-04 15:49:17,302 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-04 15:49:17,316 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-04 15:49:17,317 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-04 15:49:17,317 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-04 15:49:17,317 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-04 15:49:17,318 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-04 15:49:17,318 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-04 15:49:17,318 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-04 15:49:17,319 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-04 15:49:17,319 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-04 15:49:17,319 INFO L153 SettingsManager]: * Use SBE=true [2024-06-04 15:49:17,319 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-04 15:49:17,320 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-04 15:49:17,320 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-04 15:49:17,320 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-04 15:49:17,321 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-04 15:49:17,321 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-04 15:49:17,321 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-04 15:49:17,322 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-04 15:49:17,322 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-04 15:49:17,322 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-04 15:49:17,322 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-04 15:49:17,322 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-04 15:49:17,323 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-04 15:49:17,323 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-04 15:49:17,323 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-04 15:49:17,323 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-04 15:49:17,324 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-04 15:49:17,324 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-04 15:49:17,324 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-04 15:49:17,325 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-04 15:49:17,325 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-04 15:49:17,325 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-04 15:49:17,325 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-04 15:49:17,325 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-04 15:49:17,326 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-04 15:49:17,326 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-04 15:49:17,326 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-04 15:49:17,326 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-04 15:49:17,326 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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/UAutomizer-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-06-04 15:49:17,505 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-04 15:49:17,518 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-04 15:49:17,520 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-04 15:49:17,521 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-04 15:49:17,522 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-04 15:49:17,522 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-05-21_14-57-05.files/protection/13-privatized_67-pthread_cond_wait_unknown_1_pos.yml/witness.yml [2024-06-04 15:49:17,578 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-04 15:49:17,578 INFO L274 PluginConnector]: CDTParser initialized [2024-06-04 15:49:17,579 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_pos.i [2024-06-04 15:49:18,659 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-04 15:49:18,980 INFO L384 CDTParser]: Found 1 translation units. [2024-06-04 15:49:18,980 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_pos.i [2024-06-04 15:49:18,994 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48f95744a/4e1d7f9ef2014ec8872a7188675fe77c/FLAG02a788de2 [2024-06-04 15:49:19,003 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48f95744a/4e1d7f9ef2014ec8872a7188675fe77c [2024-06-04 15:49:19,004 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-04 15:49:19,005 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-04 15:49:19,005 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-04 15:49:19,006 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-04 15:49:19,009 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-04 15:49:19,010 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 04.06 03:49:17" (1/2) ... [2024-06-04 15:49:19,010 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28ef226c and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 04.06 03:49:19, skipping insertion in model container [2024-06-04 15:49:19,011 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 04.06 03:49:17" (1/2) ... [2024-06-04 15:49:19,011 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1b5744a1 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 04.06 03:49:19, skipping insertion in model container [2024-06-04 15:49:19,012 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.06 03:49:19" (2/2) ... [2024-06-04 15:49:19,013 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28ef226c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 03:49:19, skipping insertion in model container [2024-06-04 15:49:19,013 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.06 03:49:19" (2/2) ... [2024-06-04 15:49:19,013 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-04 15:49:19,045 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-04 15:49:19,046 INFO L97 edCorrectnessWitness]: Location invariant before [L1378-L1378] ! multithreaded || ((0 <= g && g <= 1) && (g == 0 || g == 1)) [2024-06-04 15:49:19,046 INFO L97 edCorrectnessWitness]: Location invariant before [L1376-L1376] ! multithreaded || ((0 <= g && g <= 1) && (g == 0 || g == 1)) [2024-06-04 15:49:19,046 INFO L103 edCorrectnessWitness]: ghost_variable mut_locked = 0 [2024-06-04 15:49:19,046 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-04 15:49:19,047 INFO L106 edCorrectnessWitness]: ghost_update [L1375-L1375] multithreaded = 1; [2024-06-04 15:49:19,047 INFO L106 edCorrectnessWitness]: ghost_update [L1364-L1364] mut_locked = 1; [2024-06-04 15:49:19,047 INFO L106 edCorrectnessWitness]: ghost_update [L1357-L1357] mut_locked = 1; [2024-06-04 15:49:19,048 INFO L106 edCorrectnessWitness]: ghost_update [L1357-L1357] mut_locked = 0; [2024-06-04 15:49:19,048 INFO L106 edCorrectnessWitness]: ghost_update [L1368-L1368] mut_locked = 0; [2024-06-04 15:49:19,048 INFO L106 edCorrectnessWitness]: ghost_update [L1355-L1355] mut_locked = 1; [2024-06-04 15:49:19,048 INFO L106 edCorrectnessWitness]: ghost_update [L1360-L1360] mut_locked = 0; [2024-06-04 15:49:19,087 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-04 15:49:19,538 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-04 15:49:19,553 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 [2024-06-04 15:49:19,666 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-04 15:49:19,731 INFO L206 MainTranslator]: Completed translation [2024-06-04 15:49:19,733 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 03:49:19 WrapperNode [2024-06-04 15:49:19,734 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-04 15:49:19,735 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-04 15:49:19,735 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-04 15:49:19,735 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-04 15:49:19,741 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 03:49:19" (1/1) ... [2024-06-04 15:49:19,765 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 03:49:19" (1/1) ... [2024-06-04 15:49:19,787 INFO L138 Inliner]: procedures = 354, calls = 22, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 73 [2024-06-04 15:49:19,788 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-04 15:49:19,789 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-04 15:49:19,789 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-04 15:49:19,789 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-04 15:49:19,799 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 03:49:19" (1/1) ... [2024-06-04 15:49:19,799 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 03:49:19" (1/1) ... [2024-06-04 15:49:19,804 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 03:49:19" (1/1) ... [2024-06-04 15:49:19,816 INFO L175 MemorySlicer]: Split 7 memory accesses to 2 slices as follows [2, 5]. 71 percent of accesses are in the largest equivalence class. The 7 initializations are split as follows [2, 5]. The 0 writes are split as follows [0, 0]. [2024-06-04 15:49:19,816 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 03:49:19" (1/1) ... [2024-06-04 15:49:19,816 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 03:49:19" (1/1) ... [2024-06-04 15:49:19,823 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 03:49:19" (1/1) ... [2024-06-04 15:49:19,824 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 03:49:19" (1/1) ... [2024-06-04 15:49:19,826 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 03:49:19" (1/1) ... [2024-06-04 15:49:19,827 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 03:49:19" (1/1) ... [2024-06-04 15:49:19,831 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-04 15:49:19,831 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-04 15:49:19,831 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-04 15:49:19,831 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-04 15:49:19,832 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 03:49:19" (1/1) ... [2024-06-04 15:49:19,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-04 15:49:19,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-04 15:49:19,868 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-06-04 15:49:19,870 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-06-04 15:49:19,895 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2024-06-04 15:49:19,896 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2024-06-04 15:49:19,896 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2024-06-04 15:49:19,896 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2024-06-04 15:49:19,896 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-06-04 15:49:19,896 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-06-04 15:49:19,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-04 15:49:19,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-04 15:49:19,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-06-04 15:49:19,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-04 15:49:19,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-04 15:49:19,898 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-06-04 15:49:20,131 INFO L244 CfgBuilder]: Building ICFG [2024-06-04 15:49:20,133 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-04 15:49:20,301 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-04 15:49:20,301 INFO L293 CfgBuilder]: Performing block encoding [2024-06-04 15:49:20,374 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-04 15:49:20,374 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-06-04 15:49:20,374 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.06 03:49:20 BoogieIcfgContainer [2024-06-04 15:49:20,374 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-04 15:49:20,376 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-04 15:49:20,376 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-04 15:49:20,378 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-04 15:49:20,379 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 04.06 03:49:17" (1/4) ... [2024-06-04 15:49:20,379 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@255e78e6 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 04.06 03:49:20, skipping insertion in model container [2024-06-04 15:49:20,379 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.06 03:49:19" (2/4) ... [2024-06-04 15:49:20,379 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@255e78e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.06 03:49:20, skipping insertion in model container [2024-06-04 15:49:20,379 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.06 03:49:19" (3/4) ... [2024-06-04 15:49:20,380 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@255e78e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.06 03:49:20, skipping insertion in model container [2024-06-04 15:49:20,380 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.06 03:49:20" (4/4) ... [2024-06-04 15:49:20,381 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_67-pthread_cond_wait_unknown_1_pos.i [2024-06-04 15:49:20,393 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-04 15:49:20,393 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-06-04 15:49:20,393 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-04 15:49:20,422 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-06-04 15:49:20,443 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 36 places, 29 transitions, 72 flow [2024-06-04 15:49:20,458 INFO L124 PetriNetUnfolderBase]: 0/27 cut-off events. [2024-06-04 15:49:20,459 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-06-04 15:49:20,460 INFO L83 FinitePrefix]: Finished finitePrefix Result has 36 conditions, 27 events. 0/27 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 32 event pairs, 0 based on Foata normal form. 0/25 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2024-06-04 15:49:20,460 INFO L82 GeneralOperation]: Start removeDead. Operand has 36 places, 29 transitions, 72 flow [2024-06-04 15:49:20,462 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 30 places, 23 transitions, 52 flow [2024-06-04 15:49:20,469 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-04 15:49:20,473 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=PETRI_NET, 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;@1df0b332, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-04 15:49:20,474 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-06-04 15:49:20,476 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-04 15:49:20,476 INFO L124 PetriNetUnfolderBase]: 0/6 cut-off events. [2024-06-04 15:49:20,476 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-04 15:49:20,476 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-04 15:49:20,477 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-06-04 15:49:20,477 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-06-04 15:49:20,481 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-04 15:49:20,481 INFO L85 PathProgramCache]: Analyzing trace with hash -1093591743, now seen corresponding path program 1 times [2024-06-04 15:49:20,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-04 15:49:20,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857325541] [2024-06-04 15:49:20,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-04 15:49:20,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-04 15:49:20,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-04 15:49:20,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-04 15:49:20,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-04 15:49:20,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857325541] [2024-06-04 15:49:20,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857325541] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-04 15:49:20,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-04 15:49:20,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-06-04 15:49:20,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170134492] [2024-06-04 15:49:20,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-04 15:49:20,724 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-04 15:49:20,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-04 15:49:20,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-04 15:49:20,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-04 15:49:20,755 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 5 out of 29 [2024-06-04 15:49:20,757 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 23 transitions, 52 flow. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2024-06-04 15:49:20,757 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-04 15:49:20,757 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5 of 29 [2024-06-04 15:49:20,758 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-04 15:49:20,853 INFO L124 PetriNetUnfolderBase]: 179/353 cut-off events. [2024-06-04 15:49:20,854 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-06-04 15:49:20,856 INFO L83 FinitePrefix]: Finished finitePrefix Result has 724 conditions, 353 events. 179/353 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1482 event pairs, 101 based on Foata normal form. 34/381 useless extension candidates. Maximal degree in co-relation 710. Up to 229 conditions per place. [2024-06-04 15:49:20,858 INFO L140 encePairwiseOnDemand]: 23/29 looper letters, 28 selfloop transitions, 4 changer transitions 0/34 dead transitions. [2024-06-04 15:49:20,858 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 34 transitions, 141 flow [2024-06-04 15:49:20,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-04 15:49:20,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-04 15:49:20,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 49 transitions. [2024-06-04 15:49:20,867 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5632183908045977 [2024-06-04 15:49:20,868 INFO L175 Difference]: Start difference. First operand has 30 places, 23 transitions, 52 flow. Second operand 3 states and 49 transitions. [2024-06-04 15:49:20,869 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 34 transitions, 141 flow [2024-06-04 15:49:20,870 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 34 transitions, 138 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-06-04 15:49:20,872 INFO L231 Difference]: Finished difference. Result has 32 places, 25 transitions, 78 flow [2024-06-04 15:49:20,873 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=50, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=78, PETRI_PLACES=32, PETRI_TRANSITIONS=25} [2024-06-04 15:49:20,878 INFO L281 CegarLoopForPetriNet]: 30 programPoint places, 2 predicate places. [2024-06-04 15:49:20,878 INFO L495 AbstractCegarLoop]: Abstraction has has 32 places, 25 transitions, 78 flow [2024-06-04 15:49:20,879 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2024-06-04 15:49:20,879 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-04 15:49:20,879 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-04 15:49:20,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-04 15:49:20,879 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-06-04 15:49:20,881 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-04 15:49:20,881 INFO L85 PathProgramCache]: Analyzing trace with hash -1843080263, now seen corresponding path program 1 times [2024-06-04 15:49:20,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-04 15:49:20,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896302219] [2024-06-04 15:49:20,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-04 15:49:20,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-04 15:49:20,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-04 15:49:20,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-04 15:49:20,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-04 15:49:20,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896302219] [2024-06-04 15:49:20,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896302219] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-04 15:49:20,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-04 15:49:20,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-06-04 15:49:20,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287169479] [2024-06-04 15:49:20,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-04 15:49:20,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-04 15:49:20,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-04 15:49:20,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-04 15:49:20,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-04 15:49:20,986 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 5 out of 29 [2024-06-04 15:49:20,986 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 25 transitions, 78 flow. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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) [2024-06-04 15:49:20,986 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-04 15:49:20,986 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5 of 29 [2024-06-04 15:49:20,986 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-04 15:49:21,037 INFO L124 PetriNetUnfolderBase]: 110/221 cut-off events. [2024-06-04 15:49:21,037 INFO L125 PetriNetUnfolderBase]: For 77/77 co-relation queries the response was YES. [2024-06-04 15:49:21,038 INFO L83 FinitePrefix]: Finished finitePrefix Result has 524 conditions, 221 events. 110/221 cut-off events. For 77/77 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 793 event pairs, 68 based on Foata normal form. 24/242 useless extension candidates. Maximal degree in co-relation 508. Up to 137 conditions per place. [2024-06-04 15:49:21,038 INFO L140 encePairwiseOnDemand]: 24/29 looper letters, 0 selfloop transitions, 0 changer transitions 28/28 dead transitions. [2024-06-04 15:49:21,038 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 28 transitions, 128 flow [2024-06-04 15:49:21,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-04 15:49:21,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-04 15:49:21,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 44 transitions. [2024-06-04 15:49:21,039 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5057471264367817 [2024-06-04 15:49:21,040 INFO L175 Difference]: Start difference. First operand has 32 places, 25 transitions, 78 flow. Second operand 3 states and 44 transitions. [2024-06-04 15:49:21,040 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 28 transitions, 128 flow [2024-06-04 15:49:21,041 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 28 transitions, 119 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-06-04 15:49:21,041 INFO L231 Difference]: Finished difference. Result has 29 places, 0 transitions, 0 flow [2024-06-04 15:49:21,041 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=51, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=29, PETRI_TRANSITIONS=0} [2024-06-04 15:49:21,042 INFO L281 CegarLoopForPetriNet]: 30 programPoint places, -1 predicate places. [2024-06-04 15:49:21,042 INFO L495 AbstractCegarLoop]: Abstraction has has 29 places, 0 transitions, 0 flow [2024-06-04 15:49:21,042 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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) [2024-06-04 15:49:21,044 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 4 remaining) [2024-06-04 15:49:21,046 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 4 remaining) [2024-06-04 15:49:21,047 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-06-04 15:49:21,047 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-06-04 15:49:21,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-06-04 15:49:21,048 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-06-04 15:49:21,050 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-06-04 15:49:21,052 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-06-04 15:49:21,056 INFO L507 ceAbstractionStarter]: Automizer considered 2 witness invariants [2024-06-04 15:49:21,056 INFO L508 ceAbstractionStarter]: WitnessConsidered=2 [2024-06-04 15:49:21,057 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.06 03:49:21 BasicIcfg [2024-06-04 15:49:21,057 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-06-04 15:49:21,057 INFO L158 Benchmark]: Toolchain (without parser) took 2052.40ms. Allocated memory was 115.3MB in the beginning and 144.7MB in the end (delta: 29.4MB). Free memory was 68.2MB in the beginning and 81.5MB in the end (delta: -13.3MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2024-06-04 15:49:21,057 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 115.3MB. Free memory is still 87.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-04 15:49:21,058 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 115.3MB. Free memory was 84.3MB in the beginning and 84.2MB in the end (delta: 126.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-06-04 15:49:21,058 INFO L158 Benchmark]: CACSL2BoogieTranslator took 728.54ms. Allocated memory was 115.3MB in the beginning and 144.7MB in the end (delta: 29.4MB). Free memory was 67.9MB in the beginning and 88.0MB in the end (delta: -20.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-06-04 15:49:21,058 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.34ms. Allocated memory is still 144.7MB. Free memory was 88.0MB in the beginning and 85.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-04 15:49:21,059 INFO L158 Benchmark]: Boogie Preprocessor took 41.54ms. Allocated memory is still 144.7MB. Free memory was 85.4MB in the beginning and 81.9MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-06-04 15:49:21,059 INFO L158 Benchmark]: RCFGBuilder took 543.44ms. Allocated memory is still 144.7MB. Free memory was 81.9MB in the beginning and 110.8MB in the end (delta: -28.9MB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB. [2024-06-04 15:49:21,059 INFO L158 Benchmark]: TraceAbstraction took 680.75ms. Allocated memory is still 144.7MB. Free memory was 110.8MB in the beginning and 81.5MB in the end (delta: 29.3MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2024-06-04 15:49:21,061 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 0.16ms. Allocated memory is still 115.3MB. Free memory is still 87.5MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.14ms. Allocated memory is still 115.3MB. Free memory was 84.3MB in the beginning and 84.2MB in the end (delta: 126.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 728.54ms. Allocated memory was 115.3MB in the beginning and 144.7MB in the end (delta: 29.4MB). Free memory was 67.9MB in the beginning and 88.0MB in the end (delta: -20.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.34ms. Allocated memory is still 144.7MB. Free memory was 88.0MB in the beginning and 85.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.54ms. Allocated memory is still 144.7MB. Free memory was 85.4MB in the beginning and 81.9MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 543.44ms. Allocated memory is still 144.7MB. Free memory was 81.9MB in the beginning and 110.8MB in the end (delta: -28.9MB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB. * TraceAbstraction took 680.75ms. Allocated memory is still 144.7MB. Free memory was 110.8MB in the beginning and 81.5MB in the end (delta: 29.3MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1376]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1378]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 47 locations, 4 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 33 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 24 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 82 IncrementalHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 3 mSDtfsCounter, 82 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=78occurred in iteration=1, 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, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 25 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 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-06-04 15:49:21,124 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE