./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.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/protection/13-privatized_41-traces-ex-7_unknown_1_neg.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb4cb34f 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_41-traces-ex-7_unknown_1_neg.i ./goblint.2024-06-19_11-23-25.files/protection/13-privatized_41-traces-ex-7_unknown_1_neg.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-eb4cb34-m [2024-06-21 18:02:57,353 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-21 18:02:57,441 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-21 18:02:57,450 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-21 18:02:57,451 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-21 18:02:57,483 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-21 18:02:57,484 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-21 18:02:57,484 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-21 18:02:57,485 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-21 18:02:57,490 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-21 18:02:57,490 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-21 18:02:57,491 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-21 18:02:57,491 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-21 18:02:57,493 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-21 18:02:57,493 INFO L153 SettingsManager]: * Use SBE=true [2024-06-21 18:02:57,493 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-21 18:02:57,493 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-21 18:02:57,494 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-21 18:02:57,494 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-21 18:02:57,494 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-21 18:02:57,495 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-21 18:02:57,495 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-21 18:02:57,495 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-21 18:02:57,496 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-21 18:02:57,496 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-21 18:02:57,496 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-21 18:02:57,496 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-21 18:02:57,497 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-21 18:02:57,497 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-21 18:02:57,498 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-21 18:02:57,499 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-21 18:02:57,499 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-21 18:02:57,499 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-21 18:02:57,499 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-21 18:02:57,499 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-21 18:02:57,500 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-21 18:02:57,500 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-21 18:02:57,500 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-21 18:02:57,500 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-21 18:02:57,501 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-21 18:02:57,501 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-21 18:02:57,501 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-21 18:02:57,501 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-21 18:02:57,502 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-06-21 18:02:57,736 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-21 18:02:57,764 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-21 18:02:57,766 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-21 18:02:57,767 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-21 18:02:57,768 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-21 18:02:57,769 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-06-19_11-23-25.files/protection/13-privatized_41-traces-ex-7_unknown_1_neg.yml/witness.yml [2024-06-21 18:02:57,852 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-21 18:02:57,852 INFO L274 PluginConnector]: CDTParser initialized [2024-06-21 18:02:57,854 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i [2024-06-21 18:02:59,279 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-21 18:02:59,499 INFO L384 CDTParser]: Found 1 translation units. [2024-06-21 18:02:59,500 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i [2024-06-21 18:02:59,517 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89352956d/b3aaca97eff54a999bdd9a8d84b98ae1/FLAG8ec7a2036 [2024-06-21 18:02:59,527 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89352956d/b3aaca97eff54a999bdd9a8d84b98ae1 [2024-06-21 18:02:59,528 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-21 18:02:59,529 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-21 18:02:59,530 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-21 18:02:59,530 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-21 18:02:59,533 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-21 18:02:59,534 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.06 06:02:57" (1/2) ... [2024-06-21 18:02:59,535 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64c9f821 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.06 06:02:59, skipping insertion in model container [2024-06-21 18:02:59,535 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.06 06:02:57" (1/2) ... [2024-06-21 18:02:59,536 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@38239aec and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.06 06:02:59, skipping insertion in model container [2024-06-21 18:02:59,536 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.06 06:02:59" (2/2) ... [2024-06-21 18:02:59,536 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64c9f821 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 06:02:59, skipping insertion in model container [2024-06-21 18:02:59,536 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.06 06:02:59" (2/2) ... [2024-06-21 18:02:59,537 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-21 18:02:59,559 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-21 18:02:59,560 INFO L97 edCorrectnessWitness]: Location invariant before [L695-L695] ! multithreaded || (g == 0 || g == 17) [2024-06-21 18:02:59,561 INFO L103 edCorrectnessWitness]: ghost_variable A_locked = 0 [2024-06-21 18:02:59,561 INFO L103 edCorrectnessWitness]: ghost_variable D_locked = 0 [2024-06-21 18:02:59,561 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-21 18:02:59,561 INFO L106 edCorrectnessWitness]: ghost_update [L685-L685] D_locked = 1; [2024-06-21 18:02:59,561 INFO L106 edCorrectnessWitness]: ghost_update [L694-L694] multithreaded = 1; [2024-06-21 18:02:59,561 INFO L106 edCorrectnessWitness]: ghost_update [L697-L697] D_locked = 0; [2024-06-21 18:02:59,561 INFO L106 edCorrectnessWitness]: ghost_update [L689-L689] D_locked = 0; [2024-06-21 18:02:59,562 INFO L106 edCorrectnessWitness]: ghost_update [L688-L688] A_locked = 0; [2024-06-21 18:02:59,562 INFO L106 edCorrectnessWitness]: ghost_update [L695-L695] D_locked = 1; [2024-06-21 18:02:59,562 INFO L106 edCorrectnessWitness]: ghost_update [L686-L686] A_locked = 1; [2024-06-21 18:02:59,562 INFO L106 edCorrectnessWitness]: ghost_update [L696-L696] A_locked = 1; [2024-06-21 18:02:59,607 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-21 18:02:59,888 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-21 18:02:59,899 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 [2024-06-21 18:02:59,975 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-21 18:03:00,067 INFO L206 MainTranslator]: Completed translation [2024-06-21 18:03:00,067 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 06:03:00 WrapperNode [2024-06-21 18:03:00,068 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-21 18:03:00,069 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-21 18:03:00,069 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-21 18:03:00,069 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-21 18:03:00,076 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 06:03:00" (1/1) ... [2024-06-21 18:03:00,096 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 06:03:00" (1/1) ... [2024-06-21 18:03:00,117 INFO L138 Inliner]: procedures = 162, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 58 [2024-06-21 18:03:00,117 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-21 18:03:00,118 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-21 18:03:00,119 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-21 18:03:00,119 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-21 18:03:00,128 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 06:03:00" (1/1) ... [2024-06-21 18:03:00,128 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 06:03:00" (1/1) ... [2024-06-21 18:03:00,131 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 06:03:00" (1/1) ... [2024-06-21 18:03:00,143 INFO L175 MemorySlicer]: Split 12 memory accesses to 3 slices as follows [2, 5, 5]. 42 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 5, 5]. The 0 writes are split as follows [0, 0, 0]. [2024-06-21 18:03:00,143 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 06:03:00" (1/1) ... [2024-06-21 18:03:00,144 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 06:03:00" (1/1) ... [2024-06-21 18:03:00,147 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 06:03:00" (1/1) ... [2024-06-21 18:03:00,161 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 06:03:00" (1/1) ... [2024-06-21 18:03:00,163 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 06:03:00" (1/1) ... [2024-06-21 18:03:00,164 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 06:03:00" (1/1) ... [2024-06-21 18:03:00,166 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-21 18:03:00,170 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-21 18:03:00,170 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-21 18:03:00,170 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-21 18:03:00,171 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 06:03:00" (1/1) ... [2024-06-21 18:03:00,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-21 18:03:00,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-21 18:03:00,236 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) [2024-06-21 18:03:00,257 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 [2024-06-21 18:03:00,283 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-06-21 18:03:00,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-21 18:03:00,284 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-06-21 18:03:00,284 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-06-21 18:03:00,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-21 18:03:00,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-06-21 18:03:00,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-06-21 18:03:00,284 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-06-21 18:03:00,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-21 18:03:00,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-21 18:03:00,286 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-06-21 18:03:00,407 INFO L244 CfgBuilder]: Building ICFG [2024-06-21 18:03:00,409 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-21 18:03:00,592 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-21 18:03:00,594 INFO L293 CfgBuilder]: Performing block encoding [2024-06-21 18:03:00,722 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-21 18:03:00,722 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-06-21 18:03:00,723 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.06 06:03:00 BoogieIcfgContainer [2024-06-21 18:03:00,723 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-21 18:03:00,725 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-21 18:03:00,726 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-21 18:03:00,728 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-21 18:03:00,729 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.06 06:02:57" (1/4) ... [2024-06-21 18:03:00,730 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c142108 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 21.06 06:03:00, skipping insertion in model container [2024-06-21 18:03:00,730 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.06 06:02:59" (2/4) ... [2024-06-21 18:03:00,731 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c142108 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.06 06:03:00, skipping insertion in model container [2024-06-21 18:03:00,731 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 06:03:00" (3/4) ... [2024-06-21 18:03:00,731 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c142108 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.06 06:03:00, skipping insertion in model container [2024-06-21 18:03:00,732 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.06 06:03:00" (4/4) ... [2024-06-21 18:03:00,733 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_41-traces-ex-7_unknown_1_neg.i [2024-06-21 18:03:00,749 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-21 18:03:00,750 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-06-21 18:03:00,750 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-21 18:03:00,779 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-06-21 18:03:00,805 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 26 places, 22 transitions, 48 flow [2024-06-21 18:03:00,823 INFO L124 PetriNetUnfolderBase]: 0/21 cut-off events. [2024-06-21 18:03:00,823 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-21 18:03:00,825 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25 conditions, 21 events. 0/21 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 18 event pairs, 0 based on Foata normal form. 0/20 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-06-21 18:03:00,825 INFO L82 GeneralOperation]: Start removeDead. Operand has 26 places, 22 transitions, 48 flow [2024-06-21 18:03:00,827 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 18 places, 14 transitions, 31 flow [2024-06-21 18:03:00,835 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-21 18:03:00,841 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;@19d24d45, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-21 18:03:00,842 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-06-21 18:03:00,845 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-21 18:03:00,845 INFO L124 PetriNetUnfolderBase]: 0/6 cut-off events. [2024-06-21 18:03:00,845 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-21 18:03:00,846 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-21 18:03:00,846 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-06-21 18:03:00,847 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-06-21 18:03:00,851 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-21 18:03:00,851 INFO L85 PathProgramCache]: Analyzing trace with hash 194724405, now seen corresponding path program 1 times [2024-06-21 18:03:00,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-21 18:03:00,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661389354] [2024-06-21 18:03:00,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-21 18:03:00,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-21 18:03:00,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-21 18:03:01,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-21 18:03:01,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-21 18:03:01,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661389354] [2024-06-21 18:03:01,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661389354] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-21 18:03:01,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-21 18:03:01,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-06-21 18:03:01,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854184234] [2024-06-21 18:03:01,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-21 18:03:01,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-21 18:03:01,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-21 18:03:01,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-21 18:03:01,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-21 18:03:01,078 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 22 [2024-06-21 18:03:01,080 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 18 places, 14 transitions, 31 flow. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) [2024-06-21 18:03:01,080 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-21 18:03:01,081 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 22 [2024-06-21 18:03:01,082 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-21 18:03:01,106 INFO L124 PetriNetUnfolderBase]: 9/33 cut-off events. [2024-06-21 18:03:01,107 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-06-21 18:03:01,108 INFO L83 FinitePrefix]: Finished finitePrefix Result has 66 conditions, 33 events. 9/33 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 41 event pairs, 5 based on Foata normal form. 3/34 useless extension candidates. Maximal degree in co-relation 56. Up to 20 conditions per place. [2024-06-21 18:03:01,109 INFO L140 encePairwiseOnDemand]: 19/22 looper letters, 9 selfloop transitions, 2 changer transitions 0/15 dead transitions. [2024-06-21 18:03:01,109 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 20 places, 15 transitions, 55 flow [2024-06-21 18:03:01,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-21 18:03:01,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-21 18:03:01,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 36 transitions. [2024-06-21 18:03:01,119 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5454545454545454 [2024-06-21 18:03:01,120 INFO L175 Difference]: Start difference. First operand has 18 places, 14 transitions, 31 flow. Second operand 3 states and 36 transitions. [2024-06-21 18:03:01,121 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 20 places, 15 transitions, 55 flow [2024-06-21 18:03:01,123 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 19 places, 15 transitions, 54 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-06-21 18:03:01,124 INFO L231 Difference]: Finished difference. Result has 20 places, 14 transitions, 38 flow [2024-06-21 18:03:01,126 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=22, PETRI_DIFFERENCE_MINUEND_FLOW=30, PETRI_DIFFERENCE_MINUEND_PLACES=17, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=14, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=38, PETRI_PLACES=20, PETRI_TRANSITIONS=14} [2024-06-21 18:03:01,129 INFO L281 CegarLoopForPetriNet]: 18 programPoint places, 2 predicate places. [2024-06-21 18:03:01,129 INFO L495 AbstractCegarLoop]: Abstraction has has 20 places, 14 transitions, 38 flow [2024-06-21 18:03:01,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) [2024-06-21 18:03:01,129 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-21 18:03:01,130 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-21 18:03:01,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-21 18:03:01,130 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-06-21 18:03:01,131 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-21 18:03:01,131 INFO L85 PathProgramCache]: Analyzing trace with hash 576386336, now seen corresponding path program 1 times [2024-06-21 18:03:01,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-21 18:03:01,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720456332] [2024-06-21 18:03:01,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-21 18:03:01,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-21 18:03:01,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-21 18:03:01,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-21 18:03:01,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-21 18:03:01,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720456332] [2024-06-21 18:03:01,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720456332] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-21 18:03:01,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-21 18:03:01,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-06-21 18:03:01,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681459509] [2024-06-21 18:03:01,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-21 18:03:01,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-21 18:03:01,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-21 18:03:01,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-21 18:03:01,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-21 18:03:01,216 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 22 [2024-06-21 18:03:01,216 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 20 places, 14 transitions, 38 flow. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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) [2024-06-21 18:03:01,216 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-21 18:03:01,216 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 22 [2024-06-21 18:03:01,216 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-21 18:03:01,236 INFO L124 PetriNetUnfolderBase]: 6/26 cut-off events. [2024-06-21 18:03:01,237 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-06-21 18:03:01,237 INFO L83 FinitePrefix]: Finished finitePrefix Result has 58 conditions, 26 events. 6/26 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 22 event pairs, 2 based on Foata normal form. 4/29 useless extension candidates. Maximal degree in co-relation 46. Up to 12 conditions per place. [2024-06-21 18:03:01,237 INFO L140 encePairwiseOnDemand]: 20/22 looper letters, 0 selfloop transitions, 0 changer transitions 14/14 dead transitions. [2024-06-21 18:03:01,237 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 21 places, 14 transitions, 56 flow [2024-06-21 18:03:01,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-21 18:03:01,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-21 18:03:01,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 35 transitions. [2024-06-21 18:03:01,239 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5303030303030303 [2024-06-21 18:03:01,239 INFO L175 Difference]: Start difference. First operand has 20 places, 14 transitions, 38 flow. Second operand 3 states and 35 transitions. [2024-06-21 18:03:01,239 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 21 places, 14 transitions, 56 flow [2024-06-21 18:03:01,240 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 18 places, 14 transitions, 50 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-06-21 18:03:01,240 INFO L231 Difference]: Finished difference. Result has 18 places, 0 transitions, 0 flow [2024-06-21 18:03:01,240 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=22, PETRI_DIFFERENCE_MINUEND_FLOW=28, PETRI_DIFFERENCE_MINUEND_PLACES=16, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=13, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=18, PETRI_TRANSITIONS=0} [2024-06-21 18:03:01,241 INFO L281 CegarLoopForPetriNet]: 18 programPoint places, 0 predicate places. [2024-06-21 18:03:01,241 INFO L495 AbstractCegarLoop]: Abstraction has has 18 places, 0 transitions, 0 flow [2024-06-21 18:03:01,241 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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) [2024-06-21 18:03:01,244 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 2 remaining) [2024-06-21 18:03:01,244 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-06-21 18:03:01,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-06-21 18:03:01,245 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-06-21 18:03:01,247 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-06-21 18:03:01,248 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-06-21 18:03:01,252 INFO L507 ceAbstractionStarter]: Automizer considered 1 witness invariants [2024-06-21 18:03:01,252 INFO L508 ceAbstractionStarter]: WitnessConsidered=1 [2024-06-21 18:03:01,253 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.06 06:03:01 BasicIcfg [2024-06-21 18:03:01,253 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-06-21 18:03:01,253 INFO L158 Benchmark]: Toolchain (without parser) took 1724.55ms. Allocated memory is still 165.7MB. Free memory was 107.6MB in the beginning and 126.6MB in the end (delta: -19.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-06-21 18:03:01,254 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 113.2MB. Free memory is still 49.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-21 18:03:01,254 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 113.2MB. Free memory is still 46.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-21 18:03:01,254 INFO L158 Benchmark]: CACSL2BoogieTranslator took 538.38ms. Allocated memory is still 165.7MB. Free memory was 107.6MB in the beginning and 133.2MB in the end (delta: -25.6MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. [2024-06-21 18:03:01,255 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.02ms. Allocated memory is still 165.7MB. Free memory was 133.2MB in the beginning and 131.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-21 18:03:01,255 INFO L158 Benchmark]: Boogie Preprocessor took 51.43ms. Allocated memory is still 165.7MB. Free memory was 131.8MB in the beginning and 129.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-21 18:03:01,256 INFO L158 Benchmark]: RCFGBuilder took 552.87ms. Allocated memory is still 165.7MB. Free memory was 129.7MB in the beginning and 103.1MB in the end (delta: 26.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-06-21 18:03:01,256 INFO L158 Benchmark]: TraceAbstraction took 527.37ms. Allocated memory is still 165.7MB. Free memory was 102.4MB in the beginning and 126.6MB in the end (delta: -24.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-06-21 18:03:01,258 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 0.18ms. Allocated memory is still 113.2MB. Free memory is still 49.4MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.17ms. Allocated memory is still 113.2MB. Free memory is still 46.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 538.38ms. Allocated memory is still 165.7MB. Free memory was 107.6MB in the beginning and 133.2MB in the end (delta: -25.6MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.02ms. Allocated memory is still 165.7MB. Free memory was 133.2MB in the beginning and 131.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.43ms. Allocated memory is still 165.7MB. Free memory was 131.8MB in the beginning and 129.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 552.87ms. Allocated memory is still 165.7MB. Free memory was 129.7MB in the beginning and 103.1MB in the end (delta: 26.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 527.37ms. Allocated memory is still 165.7MB. Free memory was 102.4MB in the beginning and 126.6MB in the end (delta: -24.2MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 695]: 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 3 procedures, 34 locations, 2 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: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 35 IncrementalHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 4 mSDtfsCounter, 35 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=38occurred 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, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 23 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 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-06-21 18:03:01,290 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