./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread/lazy01.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/lazy01.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/pthread/lazy01.i ./goblint.2024-05-21_14-57-05.files/mutex-meet/lazy01.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 14:21:42,545 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-14 14:21:42,617 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-14 14:21:42,621 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-14 14:21:42,622 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-14 14:21:42,647 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-14 14:21:42,649 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-14 14:21:42,650 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-14 14:21:42,650 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-14 14:21:42,653 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-14 14:21:42,653 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-14 14:21:42,654 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-14 14:21:42,655 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-14 14:21:42,656 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-14 14:21:42,656 INFO L153 SettingsManager]: * Use SBE=true [2024-06-14 14:21:42,656 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-14 14:21:42,656 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-14 14:21:42,657 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-14 14:21:42,657 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-14 14:21:42,657 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-14 14:21:42,657 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-14 14:21:42,657 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-14 14:21:42,658 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-14 14:21:42,658 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-14 14:21:42,658 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-14 14:21:42,658 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-14 14:21:42,658 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-14 14:21:42,659 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-14 14:21:42,659 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-14 14:21:42,659 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-14 14:21:42,660 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-14 14:21:42,660 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-14 14:21:42,660 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-14 14:21:42,660 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-14 14:21:42,661 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-14 14:21:42,661 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-14 14:21:42,661 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-14 14:21:42,661 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-14 14:21:42,661 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-14 14:21:42,661 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-14 14:21:42,662 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-14 14:21:42,662 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-14 14:21:42,662 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-14 14:21:42,663 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-06-14 14:21:42,860 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-14 14:21:42,901 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-14 14:21:42,903 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-14 14:21:42,904 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-14 14:21:42,904 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-14 14:21:42,905 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-05-21_14-57-05.files/mutex-meet/lazy01.yml/witness.yml [2024-06-14 14:21:43,018 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-14 14:21:43,018 INFO L274 PluginConnector]: CDTParser initialized [2024-06-14 14:21:43,020 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/lazy01.i [2024-06-14 14:21:43,991 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-14 14:21:44,190 INFO L384 CDTParser]: Found 1 translation units. [2024-06-14 14:21:44,191 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/lazy01.i [2024-06-14 14:21:44,201 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c8a1ad34/b2142a31c4e14114b13e43b440bcd305/FLAGb46580d46 [2024-06-14 14:21:44,211 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c8a1ad34/b2142a31c4e14114b13e43b440bcd305 [2024-06-14 14:21:44,211 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-14 14:21:44,212 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-14 14:21:44,213 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-14 14:21:44,213 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-14 14:21:44,217 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-14 14:21:44,217 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.06 02:21:43" (1/2) ... [2024-06-14 14:21:44,218 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50c46382 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 02:21:44, skipping insertion in model container [2024-06-14 14:21:44,218 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.06 02:21:43" (1/2) ... [2024-06-14 14:21:44,219 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7c17fa9 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 02:21:44, skipping insertion in model container [2024-06-14 14:21:44,220 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.06 02:21:44" (2/2) ... [2024-06-14 14:21:44,220 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50c46382 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:21:44, skipping insertion in model container [2024-06-14 14:21:44,220 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.06 02:21:44" (2/2) ... [2024-06-14 14:21:44,220 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-14 14:21:44,262 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-14 14:21:44,263 INFO L97 edCorrectnessWitness]: Location invariant before [L733-L733] (! multithreaded || (mutex_locked || 0 <= data)) && (! multithreaded || 0 <= data) [2024-06-14 14:21:44,264 INFO L97 edCorrectnessWitness]: Location invariant before [L734-L734] (! multithreaded || (mutex_locked || 0 <= data)) && (! multithreaded || 0 <= data) [2024-06-14 14:21:44,264 INFO L97 edCorrectnessWitness]: Location invariant before [L735-L735] (! multithreaded || (mutex_locked || 0 <= data)) && (! multithreaded || 0 <= data) [2024-06-14 14:21:44,264 INFO L103 edCorrectnessWitness]: ghost_variable mutex_locked = 0 [2024-06-14 14:21:44,265 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-14 14:21:44,265 INFO L106 edCorrectnessWitness]: ghost_update [L725-L725] mutex_locked = 0; [2024-06-14 14:21:44,265 INFO L106 edCorrectnessWitness]: ghost_update [L715-L715] mutex_locked = 0; [2024-06-14 14:21:44,265 INFO L106 edCorrectnessWitness]: ghost_update [L732-L732] multithreaded = 1; [2024-06-14 14:21:44,265 INFO L106 edCorrectnessWitness]: ghost_update [L708-L708] mutex_locked = 0; [2024-06-14 14:21:44,265 INFO L106 edCorrectnessWitness]: ghost_update [L713-L713] mutex_locked = 1; [2024-06-14 14:21:44,265 INFO L106 edCorrectnessWitness]: ghost_update [L706-L706] mutex_locked = 1; [2024-06-14 14:21:44,266 INFO L106 edCorrectnessWitness]: ghost_update [L720-L720] mutex_locked = 1; [2024-06-14 14:21:44,324 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-14 14:21:44,542 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-14 14:21:44,558 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-06-14 14:21:44,644 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-14 14:21:44,678 INFO L206 MainTranslator]: Completed translation [2024-06-14 14:21:44,678 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:21:44 WrapperNode [2024-06-14 14:21:44,678 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-14 14:21:44,679 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-14 14:21:44,679 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-14 14:21:44,679 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-14 14:21:44,684 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:21:44" (1/1) ... [2024-06-14 14:21:44,694 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:21:44" (1/1) ... [2024-06-14 14:21:44,708 INFO L138 Inliner]: procedures = 169, calls = 22, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 67 [2024-06-14 14:21:44,709 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-14 14:21:44,709 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-14 14:21:44,709 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-14 14:21:44,709 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-14 14:21:44,717 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:21:44" (1/1) ... [2024-06-14 14:21:44,717 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:21:44" (1/1) ... [2024-06-14 14:21:44,726 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:21:44" (1/1) ... [2024-06-14 14:21:44,736 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 14:21:44,737 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:21:44" (1/1) ... [2024-06-14 14:21:44,737 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:21:44" (1/1) ... [2024-06-14 14:21:44,740 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:21:44" (1/1) ... [2024-06-14 14:21:44,741 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:21:44" (1/1) ... [2024-06-14 14:21:44,744 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:21:44" (1/1) ... [2024-06-14 14:21:44,745 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:21:44" (1/1) ... [2024-06-14 14:21:44,747 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-14 14:21:44,748 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-14 14:21:44,748 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-14 14:21:44,748 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-14 14:21:44,749 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:21:44" (1/1) ... [2024-06-14 14:21:44,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-14 14:21:44,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-14 14:21:44,778 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 14:21:44,782 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 14:21:44,804 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-06-14 14:21:44,805 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-06-14 14:21:44,805 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-06-14 14:21:44,805 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-06-14 14:21:44,805 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-06-14 14:21:44,805 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-06-14 14:21:44,805 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-06-14 14:21:44,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-14 14:21:44,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-14 14:21:44,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-06-14 14:21:44,808 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-06-14 14:21:44,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-14 14:21:44,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-14 14:21:44,809 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 14:21:44,904 INFO L244 CfgBuilder]: Building ICFG [2024-06-14 14:21:44,906 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-14 14:21:45,033 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-14 14:21:45,033 INFO L293 CfgBuilder]: Performing block encoding [2024-06-14 14:21:45,123 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-14 14:21:45,123 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-06-14 14:21:45,124 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 02:21:45 BoogieIcfgContainer [2024-06-14 14:21:45,124 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-14 14:21:45,125 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-14 14:21:45,126 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-14 14:21:45,128 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-14 14:21:45,129 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.06 02:21:43" (1/4) ... [2024-06-14 14:21:45,130 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27119fb6 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 14.06 02:21:45, skipping insertion in model container [2024-06-14 14:21:45,130 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.06 02:21:44" (2/4) ... [2024-06-14 14:21:45,131 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27119fb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.06 02:21:45, skipping insertion in model container [2024-06-14 14:21:45,131 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:21:44" (3/4) ... [2024-06-14 14:21:45,131 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27119fb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.06 02:21:45, skipping insertion in model container [2024-06-14 14:21:45,131 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 02:21:45" (4/4) ... [2024-06-14 14:21:45,132 INFO L112 eAbstractionObserver]: Analyzing ICFG lazy01.i [2024-06-14 14:21:45,149 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-14 14:21:45,149 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-06-14 14:21:45,149 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-14 14:21:45,204 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-06-14 14:21:45,240 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 47 places, 37 transitions, 95 flow [2024-06-14 14:21:45,276 INFO L124 PetriNetUnfolderBase]: 0/34 cut-off events. [2024-06-14 14:21:45,277 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-06-14 14:21:45,278 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47 conditions, 34 events. 0/34 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 48 event pairs, 0 based on Foata normal form. 0/31 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2024-06-14 14:21:45,278 INFO L82 GeneralOperation]: Start removeDead. Operand has 47 places, 37 transitions, 95 flow [2024-06-14 14:21:45,281 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 39 places, 29 transitions, 67 flow [2024-06-14 14:21:45,297 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-14 14:21:45,304 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;@5eb54f56, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-14 14:21:45,304 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-06-14 14:21:45,307 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-14 14:21:45,309 INFO L124 PetriNetUnfolderBase]: 0/7 cut-off events. [2024-06-14 14:21:45,309 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-14 14:21:45,309 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-14 14:21:45,310 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-06-14 14:21:45,311 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-14 14:21:45,315 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-14 14:21:45,316 INFO L85 PathProgramCache]: Analyzing trace with hash -1704952937, now seen corresponding path program 1 times [2024-06-14 14:21:45,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-14 14:21:45,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083053627] [2024-06-14 14:21:45,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-14 14:21:45,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-14 14:21:45,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-14 14:21:45,594 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 14:21:45,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-14 14:21:45,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083053627] [2024-06-14 14:21:45,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083053627] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-14 14:21:45,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-14 14:21:45,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-06-14 14:21:45,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146464248] [2024-06-14 14:21:45,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-14 14:21:45,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-14 14:21:45,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-14 14:21:45,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-14 14:21:45,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-14 14:21:45,648 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 37 [2024-06-14 14:21:45,650 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 29 transitions, 67 flow. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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 14:21:45,650 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-14 14:21:45,650 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 37 [2024-06-14 14:21:45,651 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-14 14:21:45,855 INFO L124 PetriNetUnfolderBase]: 886/1365 cut-off events. [2024-06-14 14:21:45,855 INFO L125 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES. [2024-06-14 14:21:45,861 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2790 conditions, 1365 events. 886/1365 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 6449 event pairs, 286 based on Foata normal form. 20/1356 useless extension candidates. Maximal degree in co-relation 2775. Up to 1230 conditions per place. [2024-06-14 14:21:45,869 INFO L140 encePairwiseOnDemand]: 31/37 looper letters, 38 selfloop transitions, 3 changer transitions 0/44 dead transitions. [2024-06-14 14:21:45,869 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 44 transitions, 185 flow [2024-06-14 14:21:45,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-14 14:21:45,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-14 14:21:45,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 65 transitions. [2024-06-14 14:21:45,879 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5855855855855856 [2024-06-14 14:21:45,880 INFO L175 Difference]: Start difference. First operand has 39 places, 29 transitions, 67 flow. Second operand 3 states and 65 transitions. [2024-06-14 14:21:45,881 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 44 transitions, 185 flow [2024-06-14 14:21:45,883 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 44 transitions, 180 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-06-14 14:21:45,886 INFO L231 Difference]: Finished difference. Result has 39 places, 31 transitions, 87 flow [2024-06-14 14:21:45,888 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=87, PETRI_PLACES=39, PETRI_TRANSITIONS=31} [2024-06-14 14:21:45,891 INFO L281 CegarLoopForPetriNet]: 39 programPoint places, 0 predicate places. [2024-06-14 14:21:45,891 INFO L495 AbstractCegarLoop]: Abstraction has has 39 places, 31 transitions, 87 flow [2024-06-14 14:21:45,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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 14:21:45,891 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-14 14:21:45,891 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-14 14:21:45,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-14 14:21:45,892 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-14 14:21:45,893 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-14 14:21:45,893 INFO L85 PathProgramCache]: Analyzing trace with hash 58508419, now seen corresponding path program 1 times [2024-06-14 14:21:45,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-14 14:21:45,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005466180] [2024-06-14 14:21:45,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-14 14:21:45,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-14 14:21:45,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-14 14:21:45,996 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 14:21:45,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-14 14:21:45,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005466180] [2024-06-14 14:21:45,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005466180] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-14 14:21:45,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-14 14:21:45,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-06-14 14:21:45,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981345202] [2024-06-14 14:21:45,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-14 14:21:45,998 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-06-14 14:21:45,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-14 14:21:45,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-06-14 14:21:45,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-06-14 14:21:46,002 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 37 [2024-06-14 14:21:46,003 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 31 transitions, 87 flow. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 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 14:21:46,003 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-14 14:21:46,003 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 37 [2024-06-14 14:21:46,003 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-14 14:21:46,152 INFO L124 PetriNetUnfolderBase]: 608/958 cut-off events. [2024-06-14 14:21:46,153 INFO L125 PetriNetUnfolderBase]: For 190/190 co-relation queries the response was YES. [2024-06-14 14:21:46,154 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2164 conditions, 958 events. 608/958 cut-off events. For 190/190 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 4440 event pairs, 146 based on Foata normal form. 129/1082 useless extension candidates. Maximal degree in co-relation 2149. Up to 822 conditions per place. [2024-06-14 14:21:46,157 INFO L140 encePairwiseOnDemand]: 31/37 looper letters, 0 selfloop transitions, 0 changer transitions 41/41 dead transitions. [2024-06-14 14:21:46,157 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 41 transitions, 181 flow [2024-06-14 14:21:46,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-06-14 14:21:46,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-06-14 14:21:46,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 69 transitions. [2024-06-14 14:21:46,159 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46621621621621623 [2024-06-14 14:21:46,160 INFO L175 Difference]: Start difference. First operand has 39 places, 31 transitions, 87 flow. Second operand 4 states and 69 transitions. [2024-06-14 14:21:46,160 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 41 transitions, 181 flow [2024-06-14 14:21:46,163 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 41 transitions, 178 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-06-14 14:21:46,164 INFO L231 Difference]: Finished difference. Result has 38 places, 0 transitions, 0 flow [2024-06-14 14:21:46,164 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=72, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=0, PETRI_PLACES=38, PETRI_TRANSITIONS=0} [2024-06-14 14:21:46,164 INFO L281 CegarLoopForPetriNet]: 39 programPoint places, -1 predicate places. [2024-06-14 14:21:46,165 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 0 transitions, 0 flow [2024-06-14 14:21:46,170 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 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 14:21:46,172 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 6 remaining) [2024-06-14 14:21:46,173 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 6 remaining) [2024-06-14 14:21:46,173 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 6 remaining) [2024-06-14 14:21:46,173 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining) [2024-06-14 14:21:46,173 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining) [2024-06-14 14:21:46,173 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 6 remaining) [2024-06-14 14:21:46,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-06-14 14:21:46,174 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-06-14 14:21:46,179 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-06-14 14:21:46,179 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-06-14 14:21:46,185 INFO L507 ceAbstractionStarter]: Automizer considered 3 witness invariants [2024-06-14 14:21:46,186 INFO L508 ceAbstractionStarter]: WitnessConsidered=3 [2024-06-14 14:21:46,187 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.06 02:21:46 BasicIcfg [2024-06-14 14:21:46,187 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-06-14 14:21:46,188 INFO L158 Benchmark]: Toolchain (without parser) took 1975.17ms. Allocated memory was 134.2MB in the beginning and 241.2MB in the end (delta: 107.0MB). Free memory was 56.0MB in the beginning and 182.8MB in the end (delta: -126.8MB). Peak memory consumption was 50.5MB. Max. memory is 16.1GB. [2024-06-14 14:21:46,189 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 134.2MB. Free memory is still 95.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-14 14:21:46,189 INFO L158 Benchmark]: CDTParser took 0.94ms. Allocated memory is still 134.2MB. Free memory was 104.0MB in the beginning and 103.8MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-06-14 14:21:46,191 INFO L158 Benchmark]: CACSL2BoogieTranslator took 465.59ms. Allocated memory was 134.2MB in the beginning and 174.1MB in the end (delta: 39.8MB). Free memory was 55.8MB in the beginning and 125.9MB in the end (delta: -70.0MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2024-06-14 14:21:46,192 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.65ms. Allocated memory is still 174.1MB. Free memory was 125.9MB in the beginning and 123.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-14 14:21:46,193 INFO L158 Benchmark]: Boogie Preprocessor took 37.99ms. Allocated memory is still 174.1MB. Free memory was 123.8MB in the beginning and 121.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-14 14:21:46,193 INFO L158 Benchmark]: RCFGBuilder took 376.22ms. Allocated memory is still 174.1MB. Free memory was 121.7MB in the beginning and 97.8MB in the end (delta: 23.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-06-14 14:21:46,194 INFO L158 Benchmark]: TraceAbstraction took 1061.32ms. Allocated memory was 174.1MB in the beginning and 241.2MB in the end (delta: 67.1MB). Free memory was 97.8MB in the beginning and 182.8MB in the end (delta: -85.0MB). Peak memory consumption was 50.7MB. Max. memory is 16.1GB. [2024-06-14 14:21:46,198 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 0.12ms. Allocated memory is still 134.2MB. Free memory is still 95.0MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.94ms. Allocated memory is still 134.2MB. Free memory was 104.0MB in the beginning and 103.8MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 465.59ms. Allocated memory was 134.2MB in the beginning and 174.1MB in the end (delta: 39.8MB). Free memory was 55.8MB in the beginning and 125.9MB in the end (delta: -70.0MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.65ms. Allocated memory is still 174.1MB. Free memory was 125.9MB in the beginning and 123.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.99ms. Allocated memory is still 174.1MB. Free memory was 123.8MB in the beginning and 121.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 376.22ms. Allocated memory is still 174.1MB. Free memory was 121.7MB in the beginning and 97.8MB in the end (delta: 23.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1061.32ms. Allocated memory was 174.1MB in the beginning and 241.2MB in the end (delta: 67.1MB). Free memory was 97.8MB in the beginning and 182.8MB in the end (delta: -85.0MB). Peak memory consumption was 50.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 733]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 734]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 735]: 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 7 procedures, 59 locations, 6 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: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 56 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 47 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 125 IncrementalHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 4 mSDtfsCounter, 125 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=87occurred in iteration=1, InterpolantAutomatonStates: 7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 39 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 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-06-14 14:21:46,243 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