./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-more-buffer-series2.wvr.c --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/popl20-more-buffer-series2.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7724a2de Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-buffer-series2.wvr.c ./goblint.2024-06-19_11-23-25.files/protection/popl20-more-buffer-series2.wvr.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-7724a2d-m [2024-06-27 19:42:47,514 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-27 19:42:47,613 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-27 19:42:47,618 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-27 19:42:47,619 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-27 19:42:47,638 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-27 19:42:47,640 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-27 19:42:47,641 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-27 19:42:47,641 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-27 19:42:47,642 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-27 19:42:47,643 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-27 19:42:47,643 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-27 19:42:47,644 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-27 19:42:47,646 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-27 19:42:47,646 INFO L153 SettingsManager]: * Use SBE=true [2024-06-27 19:42:47,646 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-27 19:42:47,647 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-27 19:42:47,650 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-27 19:42:47,651 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-27 19:42:47,651 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-27 19:42:47,651 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-27 19:42:47,652 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-27 19:42:47,652 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-27 19:42:47,652 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-27 19:42:47,653 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-27 19:42:47,653 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-27 19:42:47,653 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-27 19:42:47,653 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-27 19:42:47,654 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-27 19:42:47,654 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-27 19:42:47,655 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-27 19:42:47,655 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-27 19:42:47,656 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-27 19:42:47,656 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-27 19:42:47,656 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-27 19:42:47,657 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-27 19:42:47,657 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-27 19:42:47,657 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-27 19:42:47,657 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-27 19:42:47,657 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-27 19:42:47,658 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-27 19:42:47,658 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-27 19:42:47,658 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-27 19:42:47,659 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-06-27 19:42:47,903 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-27 19:42:47,929 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-27 19:42:47,931 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-27 19:42:47,932 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-27 19:42:47,932 INFO L274 PluginConnector]: CDTParser initialized [2024-06-27 19:42:47,933 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-buffer-series2.wvr.c [2024-06-27 19:42:49,083 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-27 19:42:49,293 INFO L384 CDTParser]: Found 1 translation units. [2024-06-27 19:42:49,294 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-buffer-series2.wvr.c [2024-06-27 19:42:49,305 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/252184eae/b0d1688489324414969bc6d9b42df9b5/FLAG6476335e2 [2024-06-27 19:42:49,325 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/252184eae/b0d1688489324414969bc6d9b42df9b5 [2024-06-27 19:42:49,327 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-27 19:42:49,328 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-27 19:42:49,330 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-06-19_11-23-25.files/protection/popl20-more-buffer-series2.wvr.yml/witness.yml [2024-06-27 19:42:49,429 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-27 19:42:49,431 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-27 19:42:49,433 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-27 19:42:49,433 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-27 19:42:49,438 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-27 19:42:49,438 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.06 07:42:49" (1/2) ... [2024-06-27 19:42:49,439 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52af59ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 07:42:49, skipping insertion in model container [2024-06-27 19:42:49,439 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.06 07:42:49" (1/2) ... [2024-06-27 19:42:49,440 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@e67b9d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 07:42:49, skipping insertion in model container [2024-06-27 19:42:49,441 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.06 07:42:49" (2/2) ... [2024-06-27 19:42:49,441 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52af59ef and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 07:42:49, skipping insertion in model container [2024-06-27 19:42:49,442 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.06 07:42:49" (2/2) ... [2024-06-27 19:42:49,443 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-27 19:42:49,466 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-27 19:42:49,468 INFO L97 edCorrectnessWitness]: Location invariant before [L142-L142] (! multithreaded || 0 <= j) && (! multithreaded || 0 <= i) [2024-06-27 19:42:49,469 INFO L97 edCorrectnessWitness]: Location invariant before [L145-L145] (! multithreaded || 0 <= j) && (! multithreaded || 0 <= i) [2024-06-27 19:42:49,469 INFO L97 edCorrectnessWitness]: Location invariant before [L143-L143] (! multithreaded || 0 <= j) && (! multithreaded || 0 <= i) [2024-06-27 19:42:49,469 INFO L97 edCorrectnessWitness]: Location invariant before [L144-L144] (! multithreaded || 0 <= j) && (! multithreaded || 0 <= i) [2024-06-27 19:42:49,469 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-27 19:42:49,469 INFO L106 edCorrectnessWitness]: ghost_update [L141-L141] multithreaded = 1; [2024-06-27 19:42:49,493 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-27 19:42:49,690 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-27 19:42:49,698 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-06-27 19:42:49,762 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-27 19:42:49,775 INFO L206 MainTranslator]: Completed translation [2024-06-27 19:42:49,775 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 07:42:49 WrapperNode [2024-06-27 19:42:49,775 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-27 19:42:49,776 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-27 19:42:49,776 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-27 19:42:49,777 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-27 19:42:49,782 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 07:42:49" (1/1) ... [2024-06-27 19:42:49,790 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 07:42:49" (1/1) ... [2024-06-27 19:42:49,818 INFO L138 Inliner]: procedures = 26, calls = 64, calls flagged for inlining = 23, calls inlined = 29, statements flattened = 345 [2024-06-27 19:42:49,820 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-27 19:42:49,821 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-27 19:42:49,822 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-27 19:42:49,822 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-27 19:42:49,832 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 07:42:49" (1/1) ... [2024-06-27 19:42:49,833 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 07:42:49" (1/1) ... [2024-06-27 19:42:49,838 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 07:42:49" (1/1) ... [2024-06-27 19:42:49,865 INFO L175 MemorySlicer]: Split 12 memory accesses to 2 slices as follows [2, 10]. 83 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 3 writes are split as follows [0, 3]. [2024-06-27 19:42:49,865 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 07:42:49" (1/1) ... [2024-06-27 19:42:49,865 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 07:42:49" (1/1) ... [2024-06-27 19:42:49,879 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 07:42:49" (1/1) ... [2024-06-27 19:42:49,883 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 07:42:49" (1/1) ... [2024-06-27 19:42:49,885 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 07:42:49" (1/1) ... [2024-06-27 19:42:49,887 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 07:42:49" (1/1) ... [2024-06-27 19:42:49,905 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-27 19:42:49,906 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-27 19:42:49,906 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-27 19:42:49,906 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-27 19:42:49,907 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 07:42:49" (1/1) ... [2024-06-27 19:42:49,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-27 19:42:49,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-27 19:42:49,941 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) [2024-06-27 19:42:49,951 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 [2024-06-27 19:42:49,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-27 19:42:49,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-06-27 19:42:49,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-06-27 19:42:49,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-06-27 19:42:49,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-06-27 19:42:49,980 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-06-27 19:42:49,981 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-06-27 19:42:49,981 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-06-27 19:42:49,981 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-06-27 19:42:49,981 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-06-27 19:42:49,981 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-06-27 19:42:49,982 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-06-27 19:42:49,982 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-06-27 19:42:49,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-27 19:42:49,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-06-27 19:42:49,983 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-06-27 19:42:49,983 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-06-27 19:42:49,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-06-27 19:42:49,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-27 19:42:49,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-27 19:42:49,985 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-06-27 19:42:50,126 INFO L244 CfgBuilder]: Building ICFG [2024-06-27 19:42:50,128 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-27 19:42:50,559 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-27 19:42:50,559 INFO L293 CfgBuilder]: Performing block encoding [2024-06-27 19:42:50,956 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-27 19:42:50,956 INFO L320 CfgBuilder]: Removed 7 assume(true) statements. [2024-06-27 19:42:50,957 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.06 07:42:50 BoogieIcfgContainer [2024-06-27 19:42:50,957 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-27 19:42:50,960 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-27 19:42:50,960 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-27 19:42:50,962 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-27 19:42:50,963 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.06 07:42:49" (1/4) ... [2024-06-27 19:42:50,963 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25d1f76b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.06 07:42:50, skipping insertion in model container [2024-06-27 19:42:50,963 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.06 07:42:49" (2/4) ... [2024-06-27 19:42:50,964 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25d1f76b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.06 07:42:50, skipping insertion in model container [2024-06-27 19:42:50,964 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 07:42:49" (3/4) ... [2024-06-27 19:42:50,964 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25d1f76b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.06 07:42:50, skipping insertion in model container [2024-06-27 19:42:50,965 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.06 07:42:50" (4/4) ... [2024-06-27 19:42:50,966 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-buffer-series2.wvr.c [2024-06-27 19:42:50,982 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-27 19:42:50,982 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-06-27 19:42:50,983 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-27 19:42:51,044 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-06-27 19:42:51,110 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 63 places, 57 transitions, 142 flow [2024-06-27 19:42:51,149 INFO L124 PetriNetUnfolderBase]: 7/53 cut-off events. [2024-06-27 19:42:51,151 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-06-27 19:42:51,154 INFO L83 FinitePrefix]: Finished finitePrefix Result has 70 conditions, 53 events. 7/53 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 81 event pairs, 0 based on Foata normal form. 0/42 useless extension candidates. Maximal degree in co-relation 45. Up to 2 conditions per place. [2024-06-27 19:42:51,154 INFO L82 GeneralOperation]: Start removeDead. Operand has 63 places, 57 transitions, 142 flow [2024-06-27 19:42:51,159 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 57 places, 51 transitions, 123 flow [2024-06-27 19:42:51,172 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-27 19:42:51,183 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;@1c61d119, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-27 19:42:51,183 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-06-27 19:42:51,192 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-27 19:42:51,193 INFO L124 PetriNetUnfolderBase]: 3/12 cut-off events. [2024-06-27 19:42:51,193 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-27 19:42:51,193 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-27 19:42:51,194 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-06-27 19:42:51,194 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 5 more)] === [2024-06-27 19:42:51,198 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-27 19:42:51,199 INFO L85 PathProgramCache]: Analyzing trace with hash 1687745811, now seen corresponding path program 1 times [2024-06-27 19:42:51,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-27 19:42:51,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613290259] [2024-06-27 19:42:51,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-27 19:42:51,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-27 19:42:51,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-27 19:42:51,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-27 19:42:51,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-27 19:42:51,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613290259] [2024-06-27 19:42:51,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613290259] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-27 19:42:51,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-27 19:42:51,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-06-27 19:42:51,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814654968] [2024-06-27 19:42:51,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-27 19:42:51,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-27 19:42:51,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-27 19:42:51,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-27 19:42:51,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-27 19:42:51,646 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 57 [2024-06-27 19:42:51,648 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 51 transitions, 123 flow. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 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) [2024-06-27 19:42:51,649 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-27 19:42:51,649 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 57 [2024-06-27 19:42:51,650 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-27 19:42:52,071 INFO L124 PetriNetUnfolderBase]: 1246/2102 cut-off events. [2024-06-27 19:42:52,072 INFO L125 PetriNetUnfolderBase]: For 159/159 co-relation queries the response was YES. [2024-06-27 19:42:52,083 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4046 conditions, 2102 events. 1246/2102 cut-off events. For 159/159 co-relation queries the response was YES. Maximal size of possible extension queue 173. Compared 13750 event pairs, 448 based on Foata normal form. 54/2012 useless extension candidates. Maximal degree in co-relation 3515. Up to 1115 conditions per place. [2024-06-27 19:42:52,096 INFO L140 encePairwiseOnDemand]: 51/57 looper letters, 49 selfloop transitions, 2 changer transitions 3/72 dead transitions. [2024-06-27 19:42:52,096 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 72 transitions, 291 flow [2024-06-27 19:42:52,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-27 19:42:52,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-27 19:42:52,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 124 transitions. [2024-06-27 19:42:52,113 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7251461988304093 [2024-06-27 19:42:52,115 INFO L175 Difference]: Start difference. First operand has 57 places, 51 transitions, 123 flow. Second operand 3 states and 124 transitions. [2024-06-27 19:42:52,115 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 72 transitions, 291 flow [2024-06-27 19:42:52,124 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 72 transitions, 267 flow, removed 0 selfloop flow, removed 7 redundant places. [2024-06-27 19:42:52,130 INFO L231 Difference]: Finished difference. Result has 53 places, 52 transitions, 128 flow [2024-06-27 19:42:52,132 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=57, PETRI_DIFFERENCE_MINUEND_FLOW=110, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=128, PETRI_PLACES=53, PETRI_TRANSITIONS=52} [2024-06-27 19:42:52,135 INFO L281 CegarLoopForPetriNet]: 57 programPoint places, -4 predicate places. [2024-06-27 19:42:52,135 INFO L495 AbstractCegarLoop]: Abstraction has has 53 places, 52 transitions, 128 flow [2024-06-27 19:42:52,136 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 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) [2024-06-27 19:42:52,136 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-27 19:42:52,137 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-27 19:42:52,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-27 19:42:52,137 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 5 more)] === [2024-06-27 19:42:52,138 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-27 19:42:52,138 INFO L85 PathProgramCache]: Analyzing trace with hash -647481936, now seen corresponding path program 1 times [2024-06-27 19:42:52,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-27 19:42:52,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052630877] [2024-06-27 19:42:52,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-27 19:42:52,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-27 19:42:52,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-27 19:42:52,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-27 19:42:52,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-27 19:42:52,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052630877] [2024-06-27 19:42:52,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052630877] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-27 19:42:52,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-27 19:42:52,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-06-27 19:42:52,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542231811] [2024-06-27 19:42:52,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-27 19:42:52,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-06-27 19:42:52,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-27 19:42:52,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-06-27 19:42:52,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-06-27 19:42:52,307 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 57 [2024-06-27 19:42:52,308 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 52 transitions, 128 flow. Second operand has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 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) [2024-06-27 19:42:52,308 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-27 19:42:52,309 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 57 [2024-06-27 19:42:52,309 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-27 19:42:52,622 INFO L124 PetriNetUnfolderBase]: 1030/1806 cut-off events. [2024-06-27 19:42:52,622 INFO L125 PetriNetUnfolderBase]: For 253/253 co-relation queries the response was YES. [2024-06-27 19:42:52,628 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3637 conditions, 1806 events. 1030/1806 cut-off events. For 253/253 co-relation queries the response was YES. Maximal size of possible extension queue 148. Compared 11727 event pairs, 408 based on Foata normal form. 80/1808 useless extension candidates. Maximal degree in co-relation 1485. Up to 818 conditions per place. [2024-06-27 19:42:52,631 INFO L140 encePairwiseOnDemand]: 51/57 looper letters, 0 selfloop transitions, 0 changer transitions 68/68 dead transitions. [2024-06-27 19:42:52,631 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 68 transitions, 259 flow [2024-06-27 19:42:52,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-06-27 19:42:52,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-06-27 19:42:52,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 142 transitions. [2024-06-27 19:42:52,638 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6228070175438597 [2024-06-27 19:42:52,639 INFO L175 Difference]: Start difference. First operand has 53 places, 52 transitions, 128 flow. Second operand 4 states and 142 transitions. [2024-06-27 19:42:52,641 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 68 transitions, 259 flow [2024-06-27 19:42:52,642 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 68 transitions, 257 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-06-27 19:42:52,643 INFO L231 Difference]: Finished difference. Result has 51 places, 0 transitions, 0 flow [2024-06-27 19:42:52,644 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=57, PETRI_DIFFERENCE_MINUEND_FLOW=110, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=0, PETRI_PLACES=51, PETRI_TRANSITIONS=0} [2024-06-27 19:42:52,645 INFO L281 CegarLoopForPetriNet]: 57 programPoint places, -6 predicate places. [2024-06-27 19:42:52,649 INFO L495 AbstractCegarLoop]: Abstraction has has 51 places, 0 transitions, 0 flow [2024-06-27 19:42:52,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 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) [2024-06-27 19:42:52,652 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 8 remaining) [2024-06-27 19:42:52,652 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 8 remaining) [2024-06-27 19:42:52,652 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 8 remaining) [2024-06-27 19:42:52,653 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 8 remaining) [2024-06-27 19:42:52,653 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 8 remaining) [2024-06-27 19:42:52,653 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 8 remaining) [2024-06-27 19:42:52,653 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 8 remaining) [2024-06-27 19:42:52,653 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 8 remaining) [2024-06-27 19:42:52,654 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-06-27 19:42:52,654 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-06-27 19:42:52,656 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-06-27 19:42:52,657 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-06-27 19:42:52,663 INFO L507 ceAbstractionStarter]: Automizer considered 4 witness invariants [2024-06-27 19:42:52,663 INFO L508 ceAbstractionStarter]: WitnessConsidered=4 [2024-06-27 19:42:52,665 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.06 07:42:52 BasicIcfg [2024-06-27 19:42:52,665 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-06-27 19:42:52,667 INFO L158 Benchmark]: Toolchain (without parser) took 3235.09ms. Allocated memory was 163.6MB in the beginning and 241.2MB in the end (delta: 77.6MB). Free memory was 104.7MB in the beginning and 127.5MB in the end (delta: -22.8MB). Peak memory consumption was 119.1MB. Max. memory is 16.1GB. [2024-06-27 19:42:52,667 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 163.6MB. Free memory is still 127.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-27 19:42:52,667 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 163.6MB. Free memory is still 108.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-27 19:42:52,671 INFO L158 Benchmark]: CACSL2BoogieTranslator took 342.51ms. Allocated memory is still 163.6MB. Free memory was 104.7MB in the beginning and 88.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-06-27 19:42:52,671 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.24ms. Allocated memory is still 163.6MB. Free memory was 88.0MB in the beginning and 85.2MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-27 19:42:52,672 INFO L158 Benchmark]: Boogie Preprocessor took 84.50ms. Allocated memory is still 163.6MB. Free memory was 85.2MB in the beginning and 81.7MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-06-27 19:42:52,672 INFO L158 Benchmark]: RCFGBuilder took 1051.01ms. Allocated memory is still 163.6MB. Free memory was 81.7MB in the beginning and 67.6MB in the end (delta: 14.1MB). Peak memory consumption was 45.3MB. Max. memory is 16.1GB. [2024-06-27 19:42:52,673 INFO L158 Benchmark]: TraceAbstraction took 1705.56ms. Allocated memory was 163.6MB in the beginning and 241.2MB in the end (delta: 77.6MB). Free memory was 67.1MB in the beginning and 127.5MB in the end (delta: -60.5MB). Peak memory consumption was 80.0MB. Max. memory is 16.1GB. [2024-06-27 19:42:52,682 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 163.6MB. Free memory is still 127.6MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.18ms. Allocated memory is still 163.6MB. Free memory is still 108.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 342.51ms. Allocated memory is still 163.6MB. Free memory was 104.7MB in the beginning and 88.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.24ms. Allocated memory is still 163.6MB. Free memory was 88.0MB in the beginning and 85.2MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 84.50ms. Allocated memory is still 163.6MB. Free memory was 85.2MB in the beginning and 81.7MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1051.01ms. Allocated memory is still 163.6MB. Free memory was 81.7MB in the beginning and 67.6MB in the end (delta: 14.1MB). Peak memory consumption was 45.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1705.56ms. Allocated memory was 163.6MB in the beginning and 241.2MB in the end (delta: 77.6MB). Free memory was 67.1MB in the beginning and 127.5MB in the end (delta: -60.5MB). Peak memory consumption was 80.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 142]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 143]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 144]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 145]: 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 9 procedures, 79 locations, 8 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: 1.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 137 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 94 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 190 IncrementalHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 13 mSDtfsCounter, 190 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=128occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 126 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 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-06-27 19:42:52,712 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE