./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.2024-06-19_11-23-25.files/mutex-meet-nonrel/13-privatized_67-pthread_cond_wait_true.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7724a2de 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.2024-06-19_11-23-25.files/mutex-meet-nonrel/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-7724a2d-m [2024-06-28 04:36:37,636 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-28 04:36:37,709 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-28 04:36:37,712 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-28 04:36:37,713 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-28 04:36:37,740 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-28 04:36:37,740 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-28 04:36:37,740 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-28 04:36:37,741 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-28 04:36:37,741 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-28 04:36:37,741 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-28 04:36:37,742 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-28 04:36:37,742 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-28 04:36:37,742 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-28 04:36:37,743 INFO L153 SettingsManager]: * Use SBE=true [2024-06-28 04:36:37,745 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-28 04:36:37,745 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-28 04:36:37,745 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-28 04:36:37,745 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-28 04:36:37,746 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-28 04:36:37,746 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-28 04:36:37,748 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-28 04:36:37,748 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-28 04:36:37,748 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-28 04:36:37,749 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-28 04:36:37,749 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-28 04:36:37,749 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-28 04:36:37,749 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-28 04:36:37,757 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-28 04:36:37,757 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-28 04:36:37,758 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-28 04:36:37,758 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-28 04:36:37,759 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-28 04:36:37,759 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-28 04:36:37,759 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-28 04:36:37,759 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-28 04:36:37,759 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-28 04:36:37,759 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-28 04:36:37,760 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-28 04:36:37,760 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-28 04:36:37,760 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-28 04:36:37,760 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-28 04:36:37,760 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-28 04:36:37,761 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-06-28 04:36:37,984 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-28 04:36:38,003 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-28 04:36:38,005 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-28 04:36:38,006 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-28 04:36:38,006 INFO L274 PluginConnector]: CDTParser initialized [2024-06-28 04:36:38,007 INFO L431 ainManager$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 [2024-06-28 04:36:39,096 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-28 04:36:39,313 INFO L384 CDTParser]: Found 1 translation units. [2024-06-28 04:36:39,314 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_true.i [2024-06-28 04:36:39,326 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d694995f/afca097cf2f241ff93d8cd02ef6088e9/FLAG6b312da6d [2024-06-28 04:36:39,335 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d694995f/afca097cf2f241ff93d8cd02ef6088e9 [2024-06-28 04:36:39,338 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-28 04:36:39,338 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-28 04:36:39,339 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-06-19_11-23-25.files/mutex-meet-nonrel/13-privatized_67-pthread_cond_wait_true.yml/witness.yml [2024-06-28 04:36:39,401 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-28 04:36:39,402 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-28 04:36:39,403 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-28 04:36:39,403 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-28 04:36:39,407 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-28 04:36:39,407 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.06 04:36:39" (1/2) ... [2024-06-28 04:36:39,408 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25542979 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 04:36:39, skipping insertion in model container [2024-06-28 04:36:39,408 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.06 04:36:39" (1/2) ... [2024-06-28 04:36:39,409 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1c208ea9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 04:36:39, skipping insertion in model container [2024-06-28 04:36:39,409 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 28.06 04:36:39" (2/2) ... [2024-06-28 04:36:39,410 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25542979 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 04:36:39, skipping insertion in model container [2024-06-28 04:36:39,410 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 28.06 04:36:39" (2/2) ... [2024-06-28 04:36:39,410 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-28 04:36:39,453 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-28 04:36:39,456 INFO L97 edCorrectnessWitness]: Location invariant before [L1376-L1376] (! multithreaded || (mut_locked || (g == 0 || g == 1))) && (! multithreaded || (g == 0 || g == 1)) [2024-06-28 04:36:39,456 INFO L97 edCorrectnessWitness]: Location invariant before [L1378-L1378] (! multithreaded || (mut_locked || (g == 0 || g == 1))) && (! multithreaded || (g == 0 || g == 1)) [2024-06-28 04:36:39,456 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-28 04:36:39,456 INFO L103 edCorrectnessWitness]: ghost_variable mut_locked = 0 [2024-06-28 04:36:39,456 INFO L106 edCorrectnessWitness]: ghost_update [L1365-L1365] mut_locked = 1; [2024-06-28 04:36:39,457 INFO L106 edCorrectnessWitness]: ghost_update [L1375-L1375] multithreaded = 1; [2024-06-28 04:36:39,457 INFO L106 edCorrectnessWitness]: ghost_update [L1355-L1355] mut_locked = 1; [2024-06-28 04:36:39,457 INFO L106 edCorrectnessWitness]: ghost_update [L1368-L1368] mut_locked = 0; [2024-06-28 04:36:39,457 INFO L106 edCorrectnessWitness]: ghost_update [L1361-L1361] mut_locked = 0; [2024-06-28 04:36:39,458 INFO L106 edCorrectnessWitness]: ghost_update [L1357-L1357] mut_locked = 0; [2024-06-28 04:36:39,458 INFO L106 edCorrectnessWitness]: ghost_update [L1357-L1357] mut_locked = 1; [2024-06-28 04:36:39,501 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-28 04:36:39,859 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-28 04:36:39,869 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 [2024-06-28 04:36:39,957 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-28 04:36:40,020 INFO L206 MainTranslator]: Completed translation [2024-06-28 04:36:40,020 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 04:36:40 WrapperNode [2024-06-28 04:36:40,021 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-28 04:36:40,022 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-28 04:36:40,022 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-28 04:36:40,022 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-28 04:36:40,028 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 04:36:40" (1/1) ... [2024-06-28 04:36:40,054 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 04:36:40" (1/1) ... [2024-06-28 04:36:40,079 INFO L138 Inliner]: procedures = 354, calls = 22, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 84 [2024-06-28 04:36:40,079 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-28 04:36:40,080 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-28 04:36:40,080 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-28 04:36:40,080 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-28 04:36:40,088 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 04:36:40" (1/1) ... [2024-06-28 04:36:40,089 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 04:36:40" (1/1) ... [2024-06-28 04:36:40,096 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 04:36:40" (1/1) ... [2024-06-28 04:36:40,108 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]. [2024-06-28 04:36:40,108 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 04:36:40" (1/1) ... [2024-06-28 04:36:40,109 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 04:36:40" (1/1) ... [2024-06-28 04:36:40,118 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 04:36:40" (1/1) ... [2024-06-28 04:36:40,120 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 04:36:40" (1/1) ... [2024-06-28 04:36:40,130 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 04:36:40" (1/1) ... [2024-06-28 04:36:40,132 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 04:36:40" (1/1) ... [2024-06-28 04:36:40,140 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-28 04:36:40,141 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-28 04:36:40,141 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-28 04:36:40,141 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-28 04:36:40,142 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 04:36:40" (1/1) ... [2024-06-28 04:36:40,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-28 04:36:40,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-28 04:36:40,165 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) [2024-06-28 04:36:40,171 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 [2024-06-28 04:36:40,195 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2024-06-28 04:36:40,196 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2024-06-28 04:36:40,196 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2024-06-28 04:36:40,196 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2024-06-28 04:36:40,196 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-06-28 04:36:40,196 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-06-28 04:36:40,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-28 04:36:40,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-28 04:36:40,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-06-28 04:36:40,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-28 04:36:40,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-28 04:36:40,198 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-06-28 04:36:40,409 INFO L244 CfgBuilder]: Building ICFG [2024-06-28 04:36:40,411 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-28 04:36:40,585 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-28 04:36:40,585 INFO L293 CfgBuilder]: Performing block encoding [2024-06-28 04:36:40,687 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-28 04:36:40,689 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-06-28 04:36:40,690 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.06 04:36:40 BoogieIcfgContainer [2024-06-28 04:36:40,690 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-28 04:36:40,693 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-28 04:36:40,693 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-28 04:36:40,696 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-28 04:36:40,696 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.06 04:36:39" (1/4) ... [2024-06-28 04:36:40,697 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@588b926e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.06 04:36:40, skipping insertion in model container [2024-06-28 04:36:40,698 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 28.06 04:36:39" (2/4) ... [2024-06-28 04:36:40,699 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@588b926e and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 28.06 04:36:40, skipping insertion in model container [2024-06-28 04:36:40,699 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 04:36:40" (3/4) ... [2024-06-28 04:36:40,699 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@588b926e and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 28.06 04:36:40, skipping insertion in model container [2024-06-28 04:36:40,700 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.06 04:36:40" (4/4) ... [2024-06-28 04:36:40,702 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_67-pthread_cond_wait_true.i [2024-06-28 04:36:40,716 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-28 04:36:40,716 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-06-28 04:36:40,716 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-28 04:36:40,750 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-06-28 04:36:40,781 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 35 places, 28 transitions, 70 flow [2024-06-28 04:36:40,798 INFO L124 PetriNetUnfolderBase]: 0/26 cut-off events. [2024-06-28 04:36:40,801 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-06-28 04:36:40,803 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35 conditions, 26 events. 0/26 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. 0/24 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2024-06-28 04:36:40,804 INFO L82 GeneralOperation]: Start removeDead. Operand has 35 places, 28 transitions, 70 flow [2024-06-28 04:36:40,806 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 29 places, 22 transitions, 50 flow [2024-06-28 04:36:40,820 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-28 04:36:40,827 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;@79bd3aee, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-28 04:36:40,827 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-06-28 04:36:40,834 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-28 04:36:40,834 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2024-06-28 04:36:40,835 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-28 04:36:40,835 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-28 04:36:40,835 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-06-28 04:36:40,836 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)] === [2024-06-28 04:36:40,839 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-28 04:36:40,840 INFO L85 PathProgramCache]: Analyzing trace with hash 242323722, now seen corresponding path program 1 times [2024-06-28 04:36:40,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-28 04:36:40,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897725228] [2024-06-28 04:36:40,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-28 04:36:40,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-28 04:36:41,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-28 04:36:41,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-28 04:36:41,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-28 04:36:41,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897725228] [2024-06-28 04:36:41,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897725228] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-28 04:36:41,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-28 04:36:41,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-06-28 04:36:41,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191077398] [2024-06-28 04:36:41,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-28 04:36:41,162 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-28 04:36:41,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-28 04:36:41,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-28 04:36:41,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-28 04:36:41,199 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 28 [2024-06-28 04:36:41,201 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 22 transitions, 50 flow. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-28 04:36:41,201 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-28 04:36:41,202 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 28 [2024-06-28 04:36:41,202 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-28 04:36:41,321 INFO L124 PetriNetUnfolderBase]: 170/343 cut-off events. [2024-06-28 04:36:41,322 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-06-28 04:36:41,324 INFO L83 FinitePrefix]: Finished finitePrefix Result has 703 conditions, 343 events. 170/343 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1467 event pairs, 101 based on Foata normal form. 43/383 useless extension candidates. Maximal degree in co-relation 692. Up to 218 conditions per place. [2024-06-28 04:36:41,326 INFO L140 encePairwiseOnDemand]: 22/28 looper letters, 25 selfloop transitions, 4 changer transitions 0/32 dead transitions. [2024-06-28 04:36:41,326 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 32 transitions, 131 flow [2024-06-28 04:36:41,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-28 04:36:41,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-28 04:36:41,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 50 transitions. [2024-06-28 04:36:41,335 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5952380952380952 [2024-06-28 04:36:41,336 INFO L175 Difference]: Start difference. First operand has 29 places, 22 transitions, 50 flow. Second operand 3 states and 50 transitions. [2024-06-28 04:36:41,337 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 32 transitions, 131 flow [2024-06-28 04:36:41,338 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 32 transitions, 128 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-06-28 04:36:41,340 INFO L231 Difference]: Finished difference. Result has 31 places, 23 transitions, 72 flow [2024-06-28 04:36:41,341 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=48, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=72, PETRI_PLACES=31, PETRI_TRANSITIONS=23} [2024-06-28 04:36:41,344 INFO L281 CegarLoopForPetriNet]: 29 programPoint places, 2 predicate places. [2024-06-28 04:36:41,345 INFO L495 AbstractCegarLoop]: Abstraction has has 31 places, 23 transitions, 72 flow [2024-06-28 04:36:41,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-28 04:36:41,345 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-28 04:36:41,345 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-06-28 04:36:41,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-28 04:36:41,346 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)] === [2024-06-28 04:36:41,347 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-28 04:36:41,347 INFO L85 PathProgramCache]: Analyzing trace with hash -752427184, now seen corresponding path program 1 times [2024-06-28 04:36:41,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-28 04:36:41,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694581923] [2024-06-28 04:36:41,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-28 04:36:41,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-28 04:36:41,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-28 04:36:41,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-28 04:36:41,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-28 04:36:41,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694581923] [2024-06-28 04:36:41,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694581923] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-28 04:36:41,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-28 04:36:41,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-06-28 04:36:41,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482448241] [2024-06-28 04:36:41,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-28 04:36:41,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-28 04:36:41,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-28 04:36:41,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-28 04:36:41,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-28 04:36:41,448 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 28 [2024-06-28 04:36:41,449 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 23 transitions, 72 flow. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2024-06-28 04:36:41,449 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-28 04:36:41,449 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 28 [2024-06-28 04:36:41,449 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-28 04:36:41,519 INFO L124 PetriNetUnfolderBase]: 131/259 cut-off events. [2024-06-28 04:36:41,522 INFO L125 PetriNetUnfolderBase]: For 77/77 co-relation queries the response was YES. [2024-06-28 04:36:41,525 INFO L83 FinitePrefix]: Finished finitePrefix Result has 611 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 987 event pairs, 77 based on Foata normal form. 18/277 useless extension candidates. Maximal degree in co-relation 598. Up to 174 conditions per place. [2024-06-28 04:36:41,526 INFO L140 encePairwiseOnDemand]: 23/28 looper letters, 0 selfloop transitions, 0 changer transitions 30/30 dead transitions. [2024-06-28 04:36:41,526 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 30 transitions, 138 flow [2024-06-28 04:36:41,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-28 04:36:41,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-28 04:36:41,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 47 transitions. [2024-06-28 04:36:41,528 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5595238095238095 [2024-06-28 04:36:41,528 INFO L175 Difference]: Start difference. First operand has 31 places, 23 transitions, 72 flow. Second operand 3 states and 47 transitions. [2024-06-28 04:36:41,528 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 30 transitions, 138 flow [2024-06-28 04:36:41,530 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 30 transitions, 130 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-06-28 04:36:41,532 INFO L231 Difference]: Finished difference. Result has 29 places, 0 transitions, 0 flow [2024-06-28 04:36:41,532 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=56, 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} [2024-06-28 04:36:41,534 INFO L281 CegarLoopForPetriNet]: 29 programPoint places, 0 predicate places. [2024-06-28 04:36:41,535 INFO L495 AbstractCegarLoop]: Abstraction has has 29 places, 0 transitions, 0 flow [2024-06-28 04:36:41,535 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2024-06-28 04:36:41,537 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 4 remaining) [2024-06-28 04:36:41,537 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 4 remaining) [2024-06-28 04:36:41,541 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-06-28 04:36:41,541 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-06-28 04:36:41,541 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-06-28 04:36:41,542 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-06-28 04:36:41,547 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-06-28 04:36:41,547 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-06-28 04:36:41,553 INFO L507 ceAbstractionStarter]: Automizer considered 2 witness invariants [2024-06-28 04:36:41,554 INFO L508 ceAbstractionStarter]: WitnessConsidered=2 [2024-06-28 04:36:41,556 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.06 04:36:41 BasicIcfg [2024-06-28 04:36:41,556 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-06-28 04:36:41,557 INFO L158 Benchmark]: Toolchain (without parser) took 2154.68ms. Allocated memory is still 186.6MB. Free memory was 152.5MB in the beginning and 78.2MB in the end (delta: 74.3MB). Peak memory consumption was 71.9MB. Max. memory is 16.1GB. [2024-06-28 04:36:41,557 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 134.2MB. Free memory is still 96.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-28 04:36:41,558 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 186.6MB. Free memory is still 155.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-28 04:36:41,559 INFO L158 Benchmark]: CACSL2BoogieTranslator took 618.41ms. Allocated memory is still 186.6MB. Free memory was 151.7MB in the beginning and 105.0MB in the end (delta: 46.6MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-06-28 04:36:41,560 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.37ms. Allocated memory is still 186.6MB. Free memory was 105.0MB in the beginning and 102.1MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-06-28 04:36:41,561 INFO L158 Benchmark]: Boogie Preprocessor took 60.32ms. Allocated memory is still 186.6MB. Free memory was 102.1MB in the beginning and 98.7MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-28 04:36:41,562 INFO L158 Benchmark]: RCFGBuilder took 549.11ms. Allocated memory is still 186.6MB. Free memory was 98.7MB in the beginning and 126.1MB in the end (delta: -27.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-06-28 04:36:41,562 INFO L158 Benchmark]: TraceAbstraction took 863.16ms. Allocated memory is still 186.6MB. Free memory was 125.1MB in the beginning and 78.2MB in the end (delta: 46.9MB). Peak memory consumption was 45.9MB. Max. memory is 16.1GB. [2024-06-28 04:36:41,565 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 134.2MB. Free memory is still 96.0MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 186.6MB. Free memory is still 155.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 618.41ms. Allocated memory is still 186.6MB. Free memory was 151.7MB in the beginning and 105.0MB in the end (delta: 46.6MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.37ms. Allocated memory is still 186.6MB. Free memory was 105.0MB in the beginning and 102.1MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.32ms. Allocated memory is still 186.6MB. Free memory was 102.1MB in the beginning and 98.7MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 549.11ms. Allocated memory is still 186.6MB. Free memory was 98.7MB in the beginning and 126.1MB in the end (delta: -27.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 863.16ms. Allocated memory is still 186.6MB. Free memory was 125.1MB in the beginning and 78.2MB in the end (delta: 46.9MB). Peak memory consumption was 45.9MB. 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, 46 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, 79 IncrementalHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 3 mSDtfsCounter, 79 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=72occurred 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, 0.1s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 21 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! [2024-06-28 04:36:41,595 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