./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_true.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/mutex-meet/13-privatized_67-pthread_cond_wait_true.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cde23df1 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_true.i ./goblint.2024-05-21_14-57-05.files/mutex-meet/13-privatized_67-pthread_cond_wait_true.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-cde23df-m [2024-06-14 16:13:59,991 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-14 16:14:00,045 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-14 16:14:00,049 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-14 16:14:00,049 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-14 16:14:00,075 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-14 16:14:00,077 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-14 16:14:00,078 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-14 16:14:00,078 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-14 16:14:00,081 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-14 16:14:00,082 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-14 16:14:00,082 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-14 16:14:00,083 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-14 16:14:00,084 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-14 16:14:00,084 INFO L153 SettingsManager]: * Use SBE=true [2024-06-14 16:14:00,084 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-14 16:14:00,084 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-14 16:14:00,085 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-14 16:14:00,085 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-14 16:14:00,085 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-14 16:14:00,086 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-14 16:14:00,086 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-14 16:14:00,087 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-14 16:14:00,087 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-14 16:14:00,087 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-14 16:14:00,087 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-14 16:14:00,087 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-14 16:14:00,088 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-14 16:14:00,088 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-14 16:14:00,089 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-14 16:14:00,089 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-14 16:14:00,089 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-14 16:14:00,090 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-14 16:14:00,090 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-14 16:14:00,090 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-14 16:14:00,090 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-14 16:14:00,090 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-14 16:14:00,091 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-14 16:14:00,091 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-14 16:14:00,091 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-14 16:14:00,091 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-14 16:14:00,091 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-14 16:14:00,092 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-14 16:14:00,092 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-06-14 16:14:00,309 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-14 16:14:00,325 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-14 16:14:00,327 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-14 16:14:00,328 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-14 16:14:00,328 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-14 16:14:00,329 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-05-21_14-57-05.files/mutex-meet/13-privatized_67-pthread_cond_wait_true.yml/witness.yml [2024-06-14 16:14:00,426 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-14 16:14:00,427 INFO L274 PluginConnector]: CDTParser initialized [2024-06-14 16:14:00,428 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_true.i [2024-06-14 16:14:01,474 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-14 16:14:01,702 INFO L384 CDTParser]: Found 1 translation units. [2024-06-14 16:14:01,707 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_true.i [2024-06-14 16:14:01,729 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/768c57f6a/ad979d3261084e50a9bf2af3d3a77286/FLAG2a55eeac4 [2024-06-14 16:14:01,744 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/768c57f6a/ad979d3261084e50a9bf2af3d3a77286 [2024-06-14 16:14:01,745 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-14 16:14:01,746 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-14 16:14:01,749 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-14 16:14:01,750 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-14 16:14:01,753 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-14 16:14:01,754 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.06 04:14:00" (1/2) ... [2024-06-14 16:14:01,755 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@607cc8af and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 04:14:01, skipping insertion in model container [2024-06-14 16:14:01,755 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.06 04:14:00" (1/2) ... [2024-06-14 16:14:01,756 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@359b0fe0 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 04:14:01, skipping insertion in model container [2024-06-14 16:14:01,758 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.06 04:14:01" (2/2) ... [2024-06-14 16:14:01,759 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@607cc8af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 04:14:01, skipping insertion in model container [2024-06-14 16:14:01,759 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.06 04:14:01" (2/2) ... [2024-06-14 16:14:01,759 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-14 16:14:01,885 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-14 16:14:01,887 INFO L97 edCorrectnessWitness]: Location invariant before [L1378-L1378] (! multithreaded || (mut_locked || ((0 <= g && g <= 1) && (g == 0 || g == 1)))) && (! multithreaded || ((0 <= g && g <= 1) && (g == 0 || g == 1))) [2024-06-14 16:14:01,887 INFO L97 edCorrectnessWitness]: Location invariant before [L1376-L1376] (! multithreaded || (mut_locked || ((0 <= g && g <= 1) && (g == 0 || g == 1)))) && (! multithreaded || ((0 <= g && g <= 1) && (g == 0 || g == 1))) [2024-06-14 16:14:01,887 INFO L103 edCorrectnessWitness]: ghost_variable mut_locked = 0 [2024-06-14 16:14:01,887 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-14 16:14:01,888 INFO L106 edCorrectnessWitness]: ghost_update [L1357-L1357] mut_locked = 0; [2024-06-14 16:14:01,889 INFO L106 edCorrectnessWitness]: ghost_update [L1357-L1357] mut_locked = 1; [2024-06-14 16:14:01,889 INFO L106 edCorrectnessWitness]: ghost_update [L1355-L1355] mut_locked = 1; [2024-06-14 16:14:01,889 INFO L106 edCorrectnessWitness]: ghost_update [L1361-L1361] mut_locked = 0; [2024-06-14 16:14:01,889 INFO L106 edCorrectnessWitness]: ghost_update [L1368-L1368] mut_locked = 0; [2024-06-14 16:14:01,889 INFO L106 edCorrectnessWitness]: ghost_update [L1375-L1375] multithreaded = 1; [2024-06-14 16:14:01,889 INFO L106 edCorrectnessWitness]: ghost_update [L1365-L1365] mut_locked = 1; [2024-06-14 16:14:01,927 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-14 16:14:02,311 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-14 16:14:02,327 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 [2024-06-14 16:14:02,446 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-14 16:14:02,499 INFO L206 MainTranslator]: Completed translation [2024-06-14 16:14:02,500 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 04:14:02 WrapperNode [2024-06-14 16:14:02,500 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-14 16:14:02,501 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-14 16:14:02,501 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-14 16:14:02,502 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-14 16:14:02,507 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 04:14:02" (1/1) ... [2024-06-14 16:14:02,521 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 04:14:02" (1/1) ... [2024-06-14 16:14:02,538 INFO L138 Inliner]: procedures = 354, calls = 22, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 84 [2024-06-14 16:14:02,539 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-14 16:14:02,539 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-14 16:14:02,539 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-14 16:14:02,539 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-14 16:14:02,546 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 04:14:02" (1/1) ... [2024-06-14 16:14:02,546 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 04:14:02" (1/1) ... [2024-06-14 16:14:02,550 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 04:14:02" (1/1) ... [2024-06-14 16:14:02,566 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]. [2024-06-14 16:14:02,566 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 04:14:02" (1/1) ... [2024-06-14 16:14:02,566 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 04:14:02" (1/1) ... [2024-06-14 16:14:02,588 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 04:14:02" (1/1) ... [2024-06-14 16:14:02,590 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 04:14:02" (1/1) ... [2024-06-14 16:14:02,592 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 04:14:02" (1/1) ... [2024-06-14 16:14:02,593 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 04:14:02" (1/1) ... [2024-06-14 16:14:02,596 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-14 16:14:02,597 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-14 16:14:02,597 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-14 16:14:02,597 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-14 16:14:02,598 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 04:14:02" (1/1) ... [2024-06-14 16:14:02,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-14 16:14:02,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-14 16:14:02,632 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) [2024-06-14 16:14:02,637 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 [2024-06-14 16:14:02,663 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2024-06-14 16:14:02,663 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2024-06-14 16:14:02,663 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2024-06-14 16:14:02,663 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2024-06-14 16:14:02,664 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-06-14 16:14:02,664 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-06-14 16:14:02,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-14 16:14:02,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-14 16:14:02,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-06-14 16:14:02,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-14 16:14:02,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-14 16:14:02,668 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-06-14 16:14:03,070 INFO L244 CfgBuilder]: Building ICFG [2024-06-14 16:14:03,073 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-14 16:14:03,271 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-14 16:14:03,271 INFO L293 CfgBuilder]: Performing block encoding [2024-06-14 16:14:03,383 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-14 16:14:03,383 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-06-14 16:14:03,384 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 04:14:03 BoogieIcfgContainer [2024-06-14 16:14:03,384 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-14 16:14:03,385 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-14 16:14:03,385 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-14 16:14:03,388 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-14 16:14:03,388 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.06 04:14:00" (1/4) ... [2024-06-14 16:14:03,389 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49323965 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 14.06 04:14:03, skipping insertion in model container [2024-06-14 16:14:03,389 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.06 04:14:01" (2/4) ... [2024-06-14 16:14:03,389 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49323965 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.06 04:14:03, skipping insertion in model container [2024-06-14 16:14:03,389 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 04:14:02" (3/4) ... [2024-06-14 16:14:03,390 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49323965 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.06 04:14:03, skipping insertion in model container [2024-06-14 16:14:03,390 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 04:14:03" (4/4) ... [2024-06-14 16:14:03,391 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_67-pthread_cond_wait_true.i [2024-06-14 16:14:03,408 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-14 16:14:03,409 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-06-14 16:14:03,409 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-14 16:14:03,435 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-06-14 16:14:03,459 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 36 places, 29 transitions, 72 flow [2024-06-14 16:14:03,476 INFO L124 PetriNetUnfolderBase]: 0/27 cut-off events. [2024-06-14 16:14:03,476 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-06-14 16:14:03,477 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. [2024-06-14 16:14:03,478 INFO L82 GeneralOperation]: Start removeDead. Operand has 36 places, 29 transitions, 72 flow [2024-06-14 16:14:03,480 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 30 places, 23 transitions, 52 flow [2024-06-14 16:14:03,487 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-14 16:14:03,492 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;@600a4d4d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-14 16:14:03,492 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-06-14 16:14:03,495 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-14 16:14:03,496 INFO L124 PetriNetUnfolderBase]: 0/6 cut-off events. [2024-06-14 16:14:03,496 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-14 16:14:03,496 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-14 16:14:03,497 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-06-14 16:14:03,497 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)] === [2024-06-14 16:14:03,501 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-14 16:14:03,501 INFO L85 PathProgramCache]: Analyzing trace with hash -1093532161, now seen corresponding path program 1 times [2024-06-14 16:14:03,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-14 16:14:03,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352691040] [2024-06-14 16:14:03,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-14 16:14:03,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-14 16:14:03,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-14 16:14:03,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-14 16:14:03,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-14 16:14:03,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352691040] [2024-06-14 16:14:03,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352691040] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-14 16:14:03,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-14 16:14:03,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-06-14 16:14:03,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722147819] [2024-06-14 16:14:03,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-14 16:14:03,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-14 16:14:03,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-14 16:14:03,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-14 16:14:03,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-14 16:14:03,914 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 5 out of 29 [2024-06-14 16:14:03,916 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) [2024-06-14 16:14:03,916 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-14 16:14:03,916 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5 of 29 [2024-06-14 16:14:03,917 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-14 16:14:04,041 INFO L124 PetriNetUnfolderBase]: 170/343 cut-off events. [2024-06-14 16:14:04,041 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-06-14 16:14:04,043 INFO L83 FinitePrefix]: Finished finitePrefix Result has 705 conditions, 343 events. 170/343 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1464 event pairs, 101 based on Foata normal form. 43/380 useless extension candidates. Maximal degree in co-relation 691. Up to 220 conditions per place. [2024-06-14 16:14:04,045 INFO L140 encePairwiseOnDemand]: 23/29 looper letters, 27 selfloop transitions, 4 changer transitions 0/33 dead transitions. [2024-06-14 16:14:04,045 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 33 transitions, 137 flow [2024-06-14 16:14:04,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-14 16:14:04,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-14 16:14:04,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 49 transitions. [2024-06-14 16:14:04,054 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5632183908045977 [2024-06-14 16:14:04,055 INFO L175 Difference]: Start difference. First operand has 30 places, 23 transitions, 52 flow. Second operand 3 states and 49 transitions. [2024-06-14 16:14:04,056 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 33 transitions, 137 flow [2024-06-14 16:14:04,058 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 33 transitions, 134 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-06-14 16:14:04,059 INFO L231 Difference]: Finished difference. Result has 32 places, 24 transitions, 74 flow [2024-06-14 16:14:04,061 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=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=74, PETRI_PLACES=32, PETRI_TRANSITIONS=24} [2024-06-14 16:14:04,063 INFO L281 CegarLoopForPetriNet]: 30 programPoint places, 2 predicate places. [2024-06-14 16:14:04,063 INFO L495 AbstractCegarLoop]: Abstraction has has 32 places, 24 transitions, 74 flow [2024-06-14 16:14:04,063 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) [2024-06-14 16:14:04,063 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-14 16:14:04,064 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-14 16:14:04,064 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-14 16:14:04,064 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)] === [2024-06-14 16:14:04,065 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-14 16:14:04,065 INFO L85 PathProgramCache]: Analyzing trace with hash -68072901, now seen corresponding path program 1 times [2024-06-14 16:14:04,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-14 16:14:04,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590076777] [2024-06-14 16:14:04,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-14 16:14:04,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-14 16:14:04,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-14 16:14:04,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-14 16:14:04,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-14 16:14:04,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590076777] [2024-06-14 16:14:04,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590076777] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-14 16:14:04,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-14 16:14:04,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-06-14 16:14:04,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270666466] [2024-06-14 16:14:04,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-14 16:14:04,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-14 16:14:04,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-14 16:14:04,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-14 16:14:04,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-14 16:14:04,151 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 5 out of 29 [2024-06-14 16:14:04,151 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 24 transitions, 74 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) [2024-06-14 16:14:04,151 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-14 16:14:04,151 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5 of 29 [2024-06-14 16:14:04,151 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-14 16:14:04,202 INFO L124 PetriNetUnfolderBase]: 131/259 cut-off events. [2024-06-14 16:14:04,202 INFO L125 PetriNetUnfolderBase]: For 77/77 co-relation queries the response was YES. [2024-06-14 16:14:04,203 INFO L83 FinitePrefix]: Finished finitePrefix Result has 613 conditions, 259 events. 131/259 cut-off events. For 77/77 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 983 event pairs, 77 based on Foata normal form. 18/274 useless extension candidates. Maximal degree in co-relation 597. Up to 176 conditions per place. [2024-06-14 16:14:04,203 INFO L140 encePairwiseOnDemand]: 24/29 looper letters, 0 selfloop transitions, 0 changer transitions 31/31 dead transitions. [2024-06-14 16:14:04,203 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 31 transitions, 144 flow [2024-06-14 16:14:04,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-14 16:14:04,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-14 16:14:04,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 46 transitions. [2024-06-14 16:14:04,205 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5287356321839081 [2024-06-14 16:14:04,205 INFO L175 Difference]: Start difference. First operand has 32 places, 24 transitions, 74 flow. Second operand 3 states and 46 transitions. [2024-06-14 16:14:04,205 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 31 transitions, 144 flow [2024-06-14 16:14:04,205 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 31 transitions, 136 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-06-14 16:14:04,206 INFO L231 Difference]: Finished difference. Result has 30 places, 0 transitions, 0 flow [2024-06-14 16:14:04,206 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=58, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=30, PETRI_TRANSITIONS=0} [2024-06-14 16:14:04,207 INFO L281 CegarLoopForPetriNet]: 30 programPoint places, 0 predicate places. [2024-06-14 16:14:04,207 INFO L495 AbstractCegarLoop]: Abstraction has has 30 places, 0 transitions, 0 flow [2024-06-14 16:14:04,207 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) [2024-06-14 16:14:04,209 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 4 remaining) [2024-06-14 16:14:04,210 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 4 remaining) [2024-06-14 16:14:04,210 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-06-14 16:14:04,210 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-06-14 16:14:04,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-06-14 16:14:04,211 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-06-14 16:14:04,213 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-06-14 16:14:04,213 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-06-14 16:14:04,216 INFO L507 ceAbstractionStarter]: Automizer considered 2 witness invariants [2024-06-14 16:14:04,216 INFO L508 ceAbstractionStarter]: WitnessConsidered=2 [2024-06-14 16:14:04,217 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.06 04:14:04 BasicIcfg [2024-06-14 16:14:04,217 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-06-14 16:14:04,218 INFO L158 Benchmark]: Toolchain (without parser) took 2471.88ms. Allocated memory was 153.1MB in the beginning and 232.8MB in the end (delta: 79.7MB). Free memory was 76.1MB in the beginning and 92.7MB in the end (delta: -16.6MB). Peak memory consumption was 64.3MB. Max. memory is 16.1GB. [2024-06-14 16:14:04,218 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 153.1MB. Free memory was 109.8MB in the beginning and 109.6MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-06-14 16:14:04,218 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 153.1MB. Free memory is still 124.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-14 16:14:04,219 INFO L158 Benchmark]: CACSL2BoogieTranslator took 750.99ms. Allocated memory is still 153.1MB. Free memory was 75.8MB in the beginning and 78.1MB in the end (delta: -2.3MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2024-06-14 16:14:04,219 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.33ms. Allocated memory is still 153.1MB. Free memory was 78.1MB in the beginning and 75.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-14 16:14:04,219 INFO L158 Benchmark]: Boogie Preprocessor took 57.38ms. Allocated memory is still 153.1MB. Free memory was 75.5MB in the beginning and 72.3MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-06-14 16:14:04,220 INFO L158 Benchmark]: RCFGBuilder took 786.95ms. Allocated memory was 153.1MB in the beginning and 232.8MB in the end (delta: 79.7MB). Free memory was 71.8MB in the beginning and 191.3MB in the end (delta: -119.4MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. [2024-06-14 16:14:04,220 INFO L158 Benchmark]: TraceAbstraction took 831.92ms. Allocated memory is still 232.8MB. Free memory was 190.2MB in the beginning and 92.7MB in the end (delta: 97.5MB). Peak memory consumption was 96.5MB. Max. memory is 16.1GB. [2024-06-14 16:14:04,221 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 0.17ms. Allocated memory is still 153.1MB. Free memory was 109.8MB in the beginning and 109.6MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.14ms. Allocated memory is still 153.1MB. Free memory is still 124.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 750.99ms. Allocated memory is still 153.1MB. Free memory was 75.8MB in the beginning and 78.1MB in the end (delta: -2.3MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.33ms. Allocated memory is still 153.1MB. Free memory was 78.1MB in the beginning and 75.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.38ms. Allocated memory is still 153.1MB. Free memory was 75.5MB in the beginning and 72.3MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 786.95ms. Allocated memory was 153.1MB in the beginning and 232.8MB in the end (delta: 79.7MB). Free memory was 71.8MB in the beginning and 191.3MB in the end (delta: -119.4MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. * TraceAbstraction took 831.92ms. Allocated memory is still 232.8MB. Free memory was 190.2MB in the beginning and 92.7MB in the end (delta: 97.5MB). Peak memory consumption was 96.5MB. 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: 0.8s, 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, 85 IncrementalHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 3 mSDtfsCounter, 85 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=74occurred 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, 0.3s 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! [2024-06-14 16:14:04,253 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